L_All_Vocational_Ed_Service Sector: Service S.No 1 2 Specialization Electrical Equipment Maintenance Electronics Equipment Maintenance Page No. 2-20 21-41 1 NATIONAL VOCATIONAL EDUCATION QUALIFICATION FRAMEWORK SECTOR: SERVICE SPECIALIZATION: ELECTRICAL EQUIPMENT MAINTENANCE S.No. 1. 2. 3. 4. 5. 6. 7. Certificate Level Level-I Level-II Level-III Level-IV Level-V Level-VI Level-VII Vocational Hours 200 hrs 250 hrs 350 hrs 350 hrs 500 hrs 550 hrs 750 hrs Certificate Level – I 1. Basic Electrical Training (ELE 101) Underpinning Knowledge (Theory Safety practice – o Lifting and handling loads. o Heavy Equipments Safety practice – o Fire extinguishers o Types of fire extinguishers General safety of tools and equipments Practical Competencies Safety practices – lifting and handling. Safety practices – Fire fighting Nature of working of tools and equipments. Electrical safety practice o Rescue a person who is in contact with live wire. o Treat a person for electric Prepare Terminations o Skinning Different types of cable ends o Make various joints in cable o Crimping cable ends. o Soldering the cable lugs Simple electrical connections using resistance, voltmeter, and ammeter, multimeter Connecting number of lamps in series connection. Connecting number of lamps in parallel connection. Testing the polarity of DC supply. Identification of phase and neutral in single phase supply Carry out of pipe earthing Carry out of plate earthing Repairing of house wiring faults. Electrical safety o Rescue a person who is in contact with live wire. o Treat a person for electric shock/injury. Introduction to Electricity Conductors and types of conductors Insulators and types of insulators Crimping & crimping tool Soldering Define simple electrical terms like voltage, current, resistance and their units. Simple series and parallel circuits Direct current and testing the polarity Alternating current and identifying phase, neutral and earth terminals Purpose of Earthing Types of Earthing. o Pipe Earthing o Plate Earthing Simple house wiring circuit. 2 2. House Wiring (ELE 203)] Underpinning Knowledge (Theory Safety precaution Safety equipments that should be available with an electrician working on line electrical instillation. ISI rules related to wiring (General) Introduction to electricity Conductor & Insulator. Joints in Electrical Conductor Diagram and systems used in domestic wiring installation Earthing – Types. Earthing domestic installation I E rule for Energy meter Installation. Practical Competencies Safety precaution Common hand tools, their uses, care and maintenance. Identify the wiring accessories as per symbols. Make simple twist joints Make married joint in stranded conductors. Make tee joint in stranded conductor. Prepare T.W Board for fixing Flush type accessories. Make the wiring layout for a bed room of a house with 6 points. Carryout the wiring in PVC casing and capping as per layout. Carryout pipe earthing pipe earthing as per I E rule. Prepare are mount energy meter board Carryout domestic installation testing 3 Certificate Level – II 1. Basic Electrical Training (ELE 101) Underpinning Knowledge (Theory Safety practice – o Lifting and handling loads. o Heavy Equipments Safety practice – o Fire extinguishers o Types of fire extinguishers General safety of tools and equipments Practical Competencies Safety practices – lifting and handling. Safety practices – Fire fighting Nature of working of tools and equipments. Electrical safety practice o Rescue a person who is in contact with live wire. o Treat a person for electric Prepare Terminations o Skinning Different types of cable ends o Make various joints in cable o Crimping cable ends. o Soldering the cable lugs Simple electrical connections using resistance, voltmeter, and ammeter, multimeter Connecting number of lamps in series connection. Connecting number of lamps in parallel connection. Testing the polarity of DC supply. Identification of phase and neutral in single phase supply Carry out of pipe earthing Carry out of plate earthing Repairing of house wiring faults. Electrical safety o Rescue a person who is in contact with live wire. o Treat a person for electric shock/injury. Introduction to Electricity Conductors and types of conductors Insulators and types of insulators Crimping & crimping tool Soldering Define simple electrical terms like voltage, current, resistance and their units. Simple series and parallel circuits Direct current and testing the polarity Alternating current and identifying phase, neutral and earth terminals Purpose of Earthing Types of Earthing. o Pipe Earthing o Plate Earthing Simple house wiring circuit. 2. Repair of Home Appliance (ELE 202) Underpinning Knowledge (Theory Safety precaution Install, service and repair all kinds of electrical home appliances Practical Competencies Safety precaution General repair of heating iron, kettle, ceiling fan, table fan, washing machine etc., Test the fan capacitors. Clean and lubricate the bearing of ceiling and table fan, and check the speed. Regulator of both fan. 4 Repair and rectification of an automatic electric iron, servicing and repairing of mixer, ceiling and table fan. Assemble and install a fluorescent6 lamp. Thermostat heat controls of Automatic electric iron, steam iron, spray irons. Understand home appliances like heater, iron, kettle ceiling fan, table fan, washing machine etc. Maintenance of decorative serial lamp for a required supply voltage Assemble, connect and install a twin fluorescent lamp with accessories Repair and service technique of cooking range, storage water heater, washing machines, wet grinders. Replace the heating element in a soldering. Measure the insulation resistance between the terminals and body of the appliance Check the oscillator mechanisms of table Select the fuse size fan according to the load of circuit Dismantle and reassemble automatic iron, ceiling fn table fan cooking range, storage heater, washing machines, and wet grinders etc. Determine the number of lamps to be connected in series for particular supply voltagethefor making decorative Check internal connections of cooking range selector switch and circuits. connections in different temperature arrangements Check the simple mechanical timer, small water pump of washing machines and regular service and faults. Repair of house wiring. 5 Certificate Level – III 1. Basic Electrical Training (ELE 101) Underpinning Knowledge (Theory Safety practice – o Lifting and handling loads. o Heavy Equipments Safety practice – o Fire extinguishers o Types of fire extinguishers General safety of tools and equipments Practical Competencies Safety practices – lifting and handling. Safety practices – Fire fighting Nature of working of tools and equipments. Electrical safety practice o Rescue a person who is in contact with live wire. o Treat a person for electric Prepare Terminations o Skinning Different types of cable ends o Make various joints in cable o Crimping cable ends. o Soldering the cable lugs Simple electrical connections using resistance, voltmeter, and ammeter, multimeter Connecting number of lamps in series connection. Connecting number of lamps in parallel connection. Testing the polarity of DC supply. Identification of phase and neutral in single phase supply Carry out of pipe earthing Carry out of plate earthing Repairing of house wiring faults. Electrical safety o Rescue a person who is in contact with live wire. o Treat a person for electric shock/injury. Introduction to Electricity Conductors and types of conductors Insulators and types of insulators Crimping & crimping tool Soldering Define simple electrical terms like voltage, current, resistance and their units. Simple series and parallel circuits Direct current and testing the polarity Alternating current and identifying phase, neutral and earth terminals Purpose of Earthing Types of Earthing. o Pipe Earthing o Plate Earthing Simple house wiring circuit. 2. House Wiring (ELE 203)] Underpinning Knowledge (Theory Safety precaution Safety equipments that should be available with an electrician working on line electrical instillation. ISI rules related to wiring (General) Practical Competencies Safety precaution Common hand tools, their uses, care and maintenance. Identify the wiring accessories as per symbols. 6 Introduction to electricity Conductor & Insulator. Joints in Electrical Conductor Diagram and systems used in domestic wiring installation Earthing – Types. Earthing domestic installation I E rule for Energy meter Installation. 3. Electronic Choke & CFL Assembling (ELE 204) Underpinning Knowledge (Theory Safety Precaution Colour code of carbon resistors Familiarization with different Electronic components used like capacitor, transistor, diode, choke coil etc., Study the components symbol as per diagram Interpret the components as per circuit and laying the components on PCB Testing of assembled PCB Make simple twist joints Make married joint in stranded conductors. Make tee joint in stranded conductor. Prepare T.W Board for fixing Flush type accessories. Make the wiring layout for a bed room of a house with 6 points. Carryout the wiring in PVC casing and capping as per layout. Carryout pipe earthing pipe earthing as per I E rule. Prepare are mount energy meter board Carryout domestic installation testing Practical Competencies Safety Precaution Practicing the color coded resistor valve then verifying with the miltimeter. Testing of different types of Electronic components. Practicing the symbol components as per diagram/circuit/ Lay the components as per layout then soldering on PCB Trouble shooting if any on assembled circuit 7 Certificate Level – IV 1. Repair of Home Appliance (ELE 202) Underpinning Knowledge (Theory Safety precaution Install, service and repair all kinds of electrical home appliances Repair and rectification of an automatic electric iron, servicing and repairing of mixer, ceiling and table fan. Assemble and install a fluorescent6 lamp. Thermostat heat controls of Automatic electric iron, steam iron, spray irons. Understand home appliances like heater, iron, kettle ceiling fan, table fan, washing machine etc. Maintenance of decorative serial lamp for a required supply voltage Assemble, connect and install a twin fluorescent lamp with accessories Repair and service technique of cooking range, storage water heater, washing machines, wet grinders. Replace the heating element in a soldering. Practical Competencies Safety precaution General repair of heating iron, kettle, ceiling fan, table fan, washing machine etc., Test the fan capacitors. Clean and lubricate the bearing of ceiling and table fan, and check the speed. Regulator ofinsulation both fan. resistance Measure the between the terminals and body of the appliance Check the oscillator mechanisms of table Select the fuse size fan according to the load of circuit Dismantle and reassemble automatic iron, ceiling fn table fan cooking range, storage heater, washing machines, and wet grinders etc. Determine the number of lamps to be connected in series for particular supply voltagethefor making decorative Check internal connections of cooking range selector switch and circuits. connections in different temperature arrangements Check the simple mechanical timer, small water pump of washing machines and regular service and faults. Repair of house wiring. 2. House Wiring (ELE 203)] Underpinning Knowledge (Theory Safety precaution Safety equipments that should be available with an electrician working on line electrical instillation. ISI rules related to wiring (General) Introduction to electricity Conductor & Insulator. Joints in Electrical Conductor Practical Competencies Safety precaution Common hand tools, their uses, care and maintenance. Identify the wiring accessories as per symbols. Make simple twist joints Make married joint in stranded conductors. Make tee joint in stranded conductor. 8 Diagram and systems used in domestic wiring installation Earthing – Types. Earthing domestic installation I E rule for Energy meter Installation. Prepare T.W Board for fixing Flush type accessories. Make the wiring layout for a bed room of a house with 6 points. Carryout the wiring in PVC casing and capping as per layout. Carryout pipe earthing pipe earthing as per I E rule. Prepare are mount energy meter board Carryout domestic installation testing 3. Repair of Electrical Power Tools (ELE 208) Underpinning Knowledge (Theory Practical Competencies Safety precautions Safety precautions Classification of single phase motors – parts, Dismantling and reassembling of construction and working of single single phase motors like permanent phase motors capacitor, capacitor start induction run, capacitor start capacitor of run, Classification of electrical power tools as per Dismantling and reassembling their application like hand drilling machine, electrical power tools used like angle grinder, rotary hammer, hand sander/polisher, blower, heavy duty cutter, drilling machine, angle grinder, rotary portable cut off saw etc., hammer, marble cutter , heavy duty mini blower Trouble shooting technique in electrical Troublegrinder, shooting sander/polisher, in hand tools testing of , power insulation, armature defects, capacitor testing, tools – like insulation testing armature carbon brush replacing after bedding – testing defects, field winding, stator winding the protective devices. defects, noisy operation bearing problem, carbon brush changing, Symptoms and causes of motorturning troubles –the Preventive maintenance of hand preventive and breakdown maintenance. tools, overhauling, changing defective parts etc., 9 4. Maintenance of Batteries (ELE 209) Underpinning Knowledge (Theory Safety precautions Construction a lead acid battery How to keep lead acid battery health. Recharging of battery, Check the condition of battery, reading of hydrometer, preparation of electrolyte and chemical effect. Battery chargers and its application precautions to be taken while Practical Competencies Safety precautions Preparation of electrolyte Preparation of cells and arrangements of cells Assembling of battery Charging / recharging of battery Care and preventive maintenance of battery 10 Certificate Level – V 1. Transformer Winding (ELE 205) Underpinning Knowledge (Theory Safety precautions Identification of phase and neutral in single-phase A/C. supply, Test a single-phase transformer for its continuity and insulation. Measuring a enameled Std wire gauge. Wind/rewind a small transformer winding wire with Practical Competencies Safety precautions Testing the supply using test lamp with different wattage lamps. Take the dimensions of a bobbin and prepare the bobbin from suitable materials Measure and also determine the size of winding wire for primary and secondary Dismantle /reassemble the transformer cores Wind the primary and secondary winding layer by layer. Familiarization and operation with the motorized coil winding machine – General maintenance to be done Test the transformer for insulation, transformation ratio and performance Use & Operation of hand operated and motorized coil winding machine. Impregnation Varnish after testing the transformer – its advantages. 2. Armature Winding (ELE 206) Underpinning Knowledge (Theory Safety precautions Type of winding like lap and wave winding Introduction to armature winding Method of dismantling the burnt winding wire. Terminology used in winding like pole pitch coid pitch back and front pitch progressive and retrogressive winding etc. A/C/DC armature winding. Preparation of winding data for given armature. Practical Competencies Safety precautions Study the parts of armature. Check and test the armature. Strip the old winding from the armature Record the winding data Prepare the armature for rewinding Wind the coils by hand insulate them Connection of armature leads on raiser. Understand end connection, electrical and distinguishing start and finish of each Varnish the armature winding Preparation of winding table , connection diagram, winding diagram for given armature. Impregnation methods of armature after rewinding and testing. 11 3. Rewinding of AC/DC Motors (ELE 207) Underpinning Knowledge (Theory Safety Precaution knowledge about Single phase and 3-phase supply. Practical Competencies Safety Precaution List the conducting and insulating materials used in motor winding Introduction to re-winding Insulating material used Terminology used in single phase and three phase winding like pole pitch coil pitch etc., Method of stripping the old winding and preparing the winding former and the coils. Preparation of winding data for given Motor. Method of stripping the old winding and preparing the winding former and the coils Method of inserting coil in the slots. Procedure followed for re-winding of all kind of electric motors like single phase A./C. motors, pump motors, ceiling fan motors, table fan motors, washing machine motors etc. Various methods used of inserting coil into the slots. Preparation of winding table , connection diagram, winding for given Motor. Test to be done diagram after re-winding-impregnation Making end connections Testing the motor after rewinding Impregnation methods of winding methods of winding Testing the motor before declaring for rewinding Prepare the winding former and the coils 4. House Wiring (ELE 203)] Underpinning Knowledge (Theory Safety precaution Safety equipments that should be available with an electrician working on line electrical instillation. ISI rules related to wiring (General) Introduction to electricity Conductor & Insulator. Joints in Electrical Conductor Practical Competencies Safety precaution Common hand tools, their uses, care and maintenance. Identify the wiring accessories as per symbols. Make simple twist joints Make married joint in stranded conductors. Make tee joint in stranded conductor. 12 Diagram and systems used in domestic wiring installation Earthing – Types. Earthing domestic installation I E rule for Energy meter Installation. Prepare T.W Board for fixing Flush type accessories. Make the wiring layout for a bed room of a house with 6 points. Carryout the wiring in PVC casing and capping as per layout. Carryout pipe earthing pipe earthing as per I E rule. Prepare are mount energy meter board Carryout domestic installation testing 13 Certificate Level – VI 1. Repair of Electrical Power Tools (ELE 208) Underpinning Knowledge (Theory Practical Competencies Safety precautions Safety precautions Classification of single phase motors – parts, Dismantling and reassembling of construction and working of single single phase motors like permanent phase motors capacitor, capacitor start induction run, capacitor start capacitor of run, Classification of electrical power tools as per Dismantling and reassembling their application like hand drilling machine, electrical power tools used like angle grinder, rotary hammer, hand sander/polisher, blower, heavy duty cutter, drilling machine, angle grinder, rotary portable cut off saw etc., hammer, marble cutter , heavy duty mini blower Trouble shooting technique in electrical Troublegrinder, shooting sander/polisher, in hand tools testing of , power insulation, armature defects, capacitor testing, tools – like insulation testing armature carbon brush replacing after bedding – testing defects, field winding, stator winding the protective devices. defects, noisy operation bearing problem, carbon brush changing, Symptoms and causes of motorturning troubles –the Preventive maintenance of hand preventive and breakdown maintenance. tools, overhauling, changing defective parts etc., 2. Power Transmission Line Tower Erection (ELE 110) Underpinning Knowledge (Theory) Practical Competencies Elementary practical skills for Pits marking, Elementary details about Transmission excavation and stub- setting/earthing line foundation works (Audio through Audio visual on Tower Foundation, Visual(AV)) Transmission Line Survey Survey Pits marking Excavation Stub setting/ earthing Transmission Line Towers (AV) Identifying types of towers(for various Type of Towers including ULEs voltage levels) through Audio Visual inputs, reading structural drawings & bill of (Unequal Leg Extensions) details material, identification of tower parts and Structural Drawings and Bill of Material stacking of Tower material Markings and identification of Tower Parts Loading, unloading and stacking of 14 Environmental Impact Awareness about environmental impact ROW issues Damage Control Introduction to Tools and Plans related to Tower erection Identification Up-keeping Proper uses (AV) Detailed description of derricks (AV) Do’s and Don’t Testing its Healthiness Important Parts of Towers and its fitting sequence Communication sets Personal Protection Equipments (PPE’s) Identification Up-keeping Proper uses (AV) Do’s and Don’t Testing its Healthiness and identification of faulty PPEs Field Quality Plan and Procedures Standard field quality plans and procedures Visual checking of materials for Stacking, Cleanliness, Galvanizing, Damages, completeness Sequence of erection, checking for completeness, tightening of nuts and bolts, Tack welding etc. Erection Procedures (AV) Staking of Pieces at Site and ensuring availability of full material. Ground Assembly Hosting of derricks Identification of proper size and quantity of Bolts and Nuts Detailed erection process (step by step) Practical ways to handle tower parts and material in order to minimize environmental impact/damage, straight line use of tractors Practical use of Tools and Plans for Tower erection including testing of T&Ps Practical use of Personal Protection Equipments(PPEs) for Tower erection Ensuring quality associated with Tower erection works and ensuring Field Quality Plan and Procedures Practical experience for checking material availability for Tower erection, stacking of pieces, ground assembly, hoisting of derricks, proper use of pulleys/winches, balancing while lifting the material, anchoring/guying angle of derrick poles, kinds of knots of ropes, use of proper bolts and nuts and step-wise erection procedure, Special arrangements to be used for various crossings (River, Power line, National Highway, Railway). 15 Safety in Erection (AV) Safety procedures First Aid arrangements Handling of emergency situations Proper display & markings of safety procedure and details. Soft Skills Emotional contents (AV) Team Work Communication skill Discipline & punctuality Positive attitude and behavior Practical Field Training Actual climbing on tower with tools and procedures Field demonstration on safety during erection Erection of tower (step by step) in control environment Site Visits Practical demonstration Safe working on the site and ensuring adherence to safety procedures Observing discipline and punctuality on work, keeping and promoting positive attitude, maintaining good interpersonal relationship and working in team Full erection of Power Transmission Line Tower observing safety procedures Recapturing, demonstration, validation Gaining practical competencies through observation of actual tower erection at construction site Recapturing practical competencies acquired and learning by performance during appraisal practical appraisal and 16 Certificate Level – VII 1. Basic Electrical Training (ELE 101) Underpinning Knowledge (Theory Safety practice – o Lifting and handling loads. o Heavy Equipments Safety practice – o Fire extinguishers o Types of fire extinguishers General safety of tools and equipments Practical Competencies Safety practices – lifting and handling. Safety practices – Fire fighting Nature of working of tools and equipments. Electrical safety practice o Rescue a person who is in contact with live wire. o Treat a person for electric Prepare Terminations o Skinning Different types of cable ends o Make various joints in cable o Crimping cable ends. o Soldering the cable lugs Simple electrical connections using resistance, voltmeter, and ammeter, multimeter Connecting number of lamps in series connection. Connecting number of lamps in parallel connection. Testing the polarity of DC supply. Identification of phase and neutral in single phase supply Carry out of pipe earthing Carry out of plate earthing Repairing of house wiring faults. Electrical safety o Rescue a person who is in contact with live wire. o Treat a person for electric shock/injury. Introduction to Electricity Conductors and types of conductors Insulators and types of insulators Crimping & crimping tool Soldering Define simple electrical terms like voltage, current, resistance and their units. Simple series and parallel circuits Direct current and testing the polarity Alternating current and identifying phase, neutral and earth terminals Purpose of Earthing Types of Earthing. o Pipe Earthing o Plate Earthing Simple house wiring circuit. 2. Repair of Electrical Power Tools (ELE 208) Underpinning Knowledge (Theory Practical Competencies Safety precautions Safety precautions Classification of single phase motors – parts, Dismantling and reassembling of construction and working of single single phase motors like permanent phase motors capacitor, capacitor start induction run, capacitor start capacitor run, 17 Classification of electrical power tools as per their application like hand drilling machine, angle grinder, rotary hammer, sander/polisher, blower, heavy duty cutter, portable cut off saw etc., Dismantling and reassembling of electrical power tools used like hand drilling machine, angle grinder, rotary hammer, marble cutter , heavy duty mini blower Trouble shooting technique in electrical Troublegrinder, shooting sander/polisher, in hand tools testing of , power insulation, armature defects, capacitor testing, tools – like insulation testing armature carbon brush replacing after bedding – testing defects, field winding, stator winding the protective devices. defects, noisy operation bearing problem, carbon brush changing, Symptoms and causes of motorturning troubles –the Preventive maintenance of hand preventive and breakdown maintenance. tools, overhauling, changing defective parts etc., 3. Power Transmission Line Stringing (ELE 111) Underpinning Knowledge (Theory) 1. Elementary details of foundation and Tower stringing (AV) Type of Tower (Tension and suspension) Survey Pits marking Excavation Stub setting/ earthling Type of Towers including ULEs (Unequal Leg Extensions) details 2. Pre-check of erected tower (AV) Missing members Tightening 3. T&P associated with Stringing works (AV) Insulator hoisting Hardware fitting Stringing 4. Personal Protection Equipments (PPE’s) Identification Proper uses Up-keeping Do’s and Don’t Testing its Healthiness 5. Identification of materials (AV) Insulator type Fittings and rollers Drum schedules Do’s and Don’t Practical Competencies Elementary practical skills for Pits marking, excavation and stubsetting/earthling through Audio visual on Tower Foundation and stringing, Identifying types of towers and Transmission Line Survey Checking of erected tower before stringing Practical use of Tools and Plans for Power Transmission Line Stringing Practical use of Personal Protection Equipments(PPEs) for Power Transmission Line Stringing Identification and proper use of materials related to Stringing work 18 6. Field Quality Plan and Procedures related to stringing Standard field quality plan and procedures a. Insulators- Visual check for cleanliness/glazing/cracks/white spots, IR Value b. Visual checking of conductor drums etc. c. During stringing- Conductor/earthwirescratch/cut check, repair sleeve, midspan joints etc. d. After stringing- check for clearances, jumpering, copper bond, placement of spacer/damper Quality associated with works 7. Stringing procedures (AV) Placement of TSE and Drums Guys of TSE and Tower Paying out of Pilot wire Paying out of Earth Wire Paying out of Conductors Use of MSCJ Rough sagging Procedures and precautions for arrangements for various crossings. Important earthing arrangements for Power Line crossings (LT & HT) Final sagging Clipping, spacing, jumpering Important safety aspects Do’sinand Don’t 8. Safety Stringing Safety procedures (AV) First Aid arrangements Handling of emergency situations Proper display & markings for safety procedures and guidelines 9. Soft Skills Emotional contents (AV) Team Work Communication Discipline & punctuality Positive attitude and behavior Ensuring quality associated with Tower erection works and ensuring Field Quality Plan and Procedures Practical experience for Power Transmission Line Stringing such as placement of TSE & Drums, use of Guys & MSCJ, paying out of Pilot wire/Earth wire/ conductors, rough/final sagging, clipping/spacing/jumpering, special arrangements required for various crossings (River, Power line, National Highway, Railway) etc. Safe working on the site and ensuring adherence to safety procedures Observing discipline and punctuality on work, keeping and promoting positive attitude, maintaining good interpersonal relationship and working in team 19 10. Practical Field Training Actual stringing in control environment. Field demonstration on safety during stringing work 11. Site Visits Demonstration of actual string work 12. Recapturing, practical demonstration, appraisal and validation Stringing of Power Transmission Line observing safety procedures Gaining practical competencies through observation of actual Stringing at construction site Recapturing practical competencies acquired and learning by performance during appraisal 20 NATIONAL VOCATIONAL EDUCATION QUALIFICATION FRAMEWORK SECTOR: SERVICE SPECIALIZATION: ELECTRONICS EQUIPMENT MAINTENANCE S.No. 1. 2. 3. 4. 5. 6. 7. Certificate Level Level-I Level-II Level-III Level-IV Level-V Level-VI Level-VII Vocational Hours 200 hrs 250 hrs 350 hrs 350 hrs 500 hrs 550 hrs 7500 hrs Certificate Level – I 1. Basic Electronics (Repair & Maintenance of Power supply, inverters, and UPS (ELC 101) Practical Competencies • Practice procedure for electrical and personal safety measures • Use of multimeter • Testing of active and passive components • Testing of transformers • Testing of semiconductor components • Testing of unregulated and regulated voltages • Soldering and de-soldering techniques • Assemble and test rectifier circuits – half wave, full wave & bridge rectifier • Assemble a power amplifier circuit (ce, emitter follower) • Assemble and test an audio power amplifier (buzzer) • Construct a RC- oscillator and test it • Find the total load and select a suitable UPS/Inverter (rating factor) • Installation of UPS and Inverters • Maintenance of battery • Opening & dismantling an equipment and identifying the major parts , testing of major components, identifying transformers and checking , checking of power modules, Charging , discharging and testing of batteries, repairing of SMPS, simulating various faults diagnosing and rectifying it. Underpinning Knowledge (Theory) • Electrical and personal safety, dangers and preventions • Multimeter and its various application • Basics of electricity ‒ define DC, AC // practical measuring units of voltage, current, resisistance. Types of transformers – its construction, testing • Testing of proper earth using test lamp • Testing of earth using multimeter • Fuse – types, use of fuses and its rating • Basic Electronics – passive and active components – testing of components, MOSFET – precautions when handling • Applications of transistor – its uses • Op-Amp – Introduction, applications, construction, comparators • Voltage Regulator and their types • DIAC, SCR, TRIAC - applcation • Digital electronics – gates and its application, multiplexers, de-multiplexers, counter • Electrical load their VA and watts. Various types of batteries used in UPS and Inverters and their maintenance. • Single phase and three phase system, Different types of inverter, UPS, Working principle, specifications, explanation with the help of block diagram, basic principle of working of power switches, testing methods, discussions of various faults, diagnosing methods, rectifying common faults. 21 2. Installation & Maintenance of DTH System (ELC 202) Practical Competencies Practice procedures for safety and health Underpinning Knowledge (Theory) Electrical and personal safety, hazards measures dangers and preventions Name the various mini-dish components and their Basic satellite communication, types of functions. satellite & its orbits, uplinks and down links, frequency spectrum, broadcast centers, area covered, polarization, EFC, symbol rate, BER, MER, C/N, etc. Chronology to assemble the various parts of Specification & parts of coaxial cable, minidisk. impedance and specification Various types of connectors and cables, its specifications and connectorization procedure. Identify and use different tools and equipments used Multi-dwelling unit design, headed amplifier, in DTH installation procedure & cabling procedure. line amplifier, cascaded in/out multi- Site selection, installation mounting tracking for switch, tap, splitter. azimuth and elevation angles using SAT meter. Laying cable, connecting auxiliary equipments. Activating, setting of IRD/DIGICOM/DIGIBOX 22 Certificate Level – II 1. Basic Electronics (Repair & Maintenance of Power supply, inverters, and UPS (ELC 101) Practical Competencies • Practice procedure for electrical and personal safety measures • Use of multimeter • Testing of active and passive components • Testing of transformers • Testing of semiconductor components • Testing of unregulated and regulated voltages • Soldering and de-soldering techniques • Assemble and test rectifier circuits – half wave, full wave & bridge rectifier • Assemble a power amplifier circuit (ce, emitter follower) • Assemble and test an audio power amplifier (buzzer) • Construct a RC- oscillator and test it • Find the total load and select a suitable UPS/Inverter (rating factor) • Installation of UPS and Inverters • Maintenance of battery • Opening & dismantling an equipment and identifying the major parts , testing of major components, identifying transformers and checking , checking of power modules, Charging , discharging and testing of batteries, repairing of SMPS, simulating various faults diagnosing and rectifying it. Underpinning Knowledge (Theory) • Electrical and personal safety, dangers and preventions • Multimeter and its various application • Basics of electricity ‒ define DC, AC // practical measuring units of voltage, current, resisistance. Types of transformers – its construction, testing • Testing of proper earth using test lamp • Testing of earth using multimeter • Fuse – types, use of fuses and its rating • Basic Electronics – passive and active components – testing of components, MOSFET – precautions when handling • Applications of transistor – its uses • Op-Amp – Introduction, applications, construction, comparators • Voltage Regulator and their types • DIAC, SCR, TRIAC - applcation • Digital electronics – gates and its application, multiplexers, de-multiplexers, counter • Electrical load their VA and watts. Various types of batteries used in UPS and Inverters and their maintenance. • Single phase and three phase system, Different types of inverter, UPS, Working principle, specifications, explanation with the help of block diagram, basic principle of working of power switches, testing methods, discussions of various faults, diagnosing methods, rectifying common faults. 2. Installation & Maintenance of DTH System (ELC 202) Practical Competencies Practice procedures for safety and health Underpinning Knowledge (Theory) Electrical and personal safety, hazards measures dangers and preventions Name the various mini-dish components and their Basic satellite communication, types of functions. satellite & its orbits, uplinks and down links, frequency spectrum, broadcast centers, area covered, polarization, EFC, symbol rate, BER, MER, C/N, etc. Chronology to assemble the various parts of Specification & parts of coaxial cable, minidisk. impedance and specification Various types of connectors and cables, its specifications and connectorization procedure. 23 Identify and use different tools and equipments used Multi-dwelling unit design, headed amplifier, in DTH installation procedure & cabling procedure. line amplifier, cascaded in/out multiswitch, tap, splitter. Site selection, installation mounting tracking for azimuth and elevation angles using SAT meter. Laying cable, connecting auxiliary equipments. Activating, setting of IRD/DIGICOM/DIGIBOX 3. Repair & Maintenance of TV Receiver (ELC 205) Practical Competencies Practice procedures for safety and health hazards measures Installation of a TV receiver Check the SMPS for various output voltages Identify different stages and special components Check the EHT section for various faults by using step by step method Check the tuner section for various tuning problems Check the vertical and Horizontal section for various oscillations and drive problems. Underpinning Knowledge (Theory) Electrical and personal safety, dangers and preventions Explain the working principle of black and white and color TV using block diagram. Explain the need and working principle of each block Detailed explanation of power supply and high voltage generation section Explanation of PT , various voltages required for PT Simulate faults related with the micro controller and I2C sections . Fault finding in remote control TV kit replacement with suitable yoke system (vertical and horizontal deflection coils) 24 Certificate Level – III 1. Basic Electronics (Repair & Maintenance of Power supply, inverters, and UPS (ELC 101) Practical Competencies • Practice procedure for electrical and personal safety measures • Use of multimeter • Testing of active and passive components • Testing of transformers • Testing of semiconductor components • Testing of unregulated and regulated voltages • Soldering and de-soldering techniques • Assemble and test rectifier circuits – half wave, full wave & bridge rectifier • Assemble a power amplifier circuit (ce, emitter follower) • Assemble and test an audio power amplifier (buzzer) • Construct a RC- oscillator and test it • Find the total load and select a suitable UPS/Inverter (rating factor) • Installation of UPS and Inverters • Maintenance of battery • Opening & dismantling an equipment and identifying the major parts , testing of major components, identifying transformers and checking , checking of power modules, Charging , discharging and testing of batteries, repairing of SMPS, simulating various faults diagnosing and rectifying it. Underpinning Knowledge (Theory) • Electrical and personal safety, dangers and preventions • Multimeter and its various application • Basics of electricity ‒ define DC, AC // practical measuring units of voltage, current, resisistance. Types of transformers – its construction, testing • Testing of proper earth using test lamp • Testing of earth using multimeter • Fuse – types, use of fuses and its rating • Basic Electronics – passive and active components – testing of components, MOSFET – precautions when handling • Applications of transistor – its uses • Op-Amp – Introduction, applications, construction, comparators • Voltage Regulator and their types • DIAC, SCR, TRIAC - applcation • Digital electronics – gates and its application, multiplexers, de-multiplexers, counter • Electrical load their VA and watts. Various types of batteries used in UPS and Inverters and their maintenance. • Single phase and three phase system, Different types of inverter, UPS, Working principle, specifications, explanation with the help of block diagram, basic principle of working of power switches, testing methods, discussions of various faults, diagnosing methods, rectifying common faults. 2. Repair & Maintenance of washing machine and microwave oven (ELC 204) Practical Competencies Practice procedures hazards measures for safety and health Washing machine – front load & top load. Installation of washing machine Underpinning Knowledge (Theory) • • • • Electrical and personal safety, dangers and preventions Understand the functions of washing machine through block diagram Working principle of motors used in washing machine and their wiring diagram Study of inlet and outlet valves and their control 25 Identify the internal and external parts of washing machine Operate semi, automatic and fully automatic , fuzzy logic, neorologic washing machines Rectify the fault leading to not working of control panel switches Rectify the fault leading to not working of pulsator / agitator Rectify the fault leading to spin drier not working Rectify the fault leading to one side rotation of motor Rectify the fault leading to water inlet and outlet valves. Maintenance and precautions (types of detergents) Microwave oven Types – with grill, without grill and conventional Identify the internal and external parts of micro wave oven Identify the different touch pad controls their functions, testing of high voltage diode • Understand the working principle of micro wave oven with the help of block diagram and by observation., Identify the HV capacitor and discharge it Rectify the fault leading to fuse blows off when cooking is initiated Rectify the fault leading to not responding of touch switches.( front panel ) Rectify the fault leading to Dead set Rectify the fault leading to long cooking time . Precautions – importance of interlocking switch in performing maintenance 3. Maintenance & Repair of Electronic Test Equipment 26 (ELC 206) Practical Competencies Practice procedures hazards measures for safety Underpinning Knowledge (Theory) and health Electrical and personal safety, dangers and preventions (1)Analog Multimeter: • Precaution to be taken in handling an Analog multimeter. • Use of various hand tools. • Introduction to DC circuit, AC circuit. • Familiarisation with operation of controls of VOM. • Principle of operation of Analog multimeter. • Study of DC voltage circuit of VOM. • Study of AC voltage circuit of VOM. • Study of DC current circuit of VOM. • Study of ohms circuit of VOM. • Trouble shooting Analog multimeter. • • • • • • • • • • Cleaning the dust, Cleaning the switch contacts by switch cleaning solution. Testing the fuse. Testing moving coil meter assembly. Test & repair the DC voltage measurement circuit by doing measurement at the test points provided. Test & repair the AC voltage measurement circuit by doing measurement at the test points provided. Test & repair the DC current measurement circuit by doing measurement at the test points provided. Test & repair the Resistance measurement circuit by doing measurement at the test points provided. Check the battery voltage used in ohms range. Check for proper operation of mechanical zero adjustment with the help of a screwdriver. Repair the test leads/probes if found defective. • Replace the of battery if required. • Maintaining the test leads in proper condition. Cleaning of the switches etc. Replacing the open Fuse with correct • rating. (2)Digital Multimeter: • Precaution to be taken in handling a • Cleaning the dust, Cleaning the switch Digital multimeter. contacts by switch cleaning solution. • Cleaning the switch contacts with switch • Testing the fuse. cleaning solution. • Testing the 7 segment LED display. • Testing the display (LED display, LCD Testing the LCD display module. display). Check the DC voltages & waveforms at • • Check the DC voltages & waveforms at the test the test point of the IC commonly used in point of the ic commonly used in 31/2 digit digital multimeter. 31/2 digit Digital Multimeter. Troubleshoot DC voltage, AC voltage, • • Replace the defective IC. replace the DC current, AC current & Resistance • Battery of the meter. • Maintaining the test leads in proper measurement circuit by doing measurement at the test points provided. condition. Check the battery used in the digital • multimeter. Repair of test leads/probes if found • defective. Replacing the open Fuse with correct • rating. After repair test the digital multimeter for • its performance. 27 (3)Function Generator: • Familiarization with front panel control. • Precaution to be taken in handling a • Cleaning the dust, Cleaning the switch Function Generator. contacts by switch cleaning solution. • Familiarization with front panel controls, • Testing the fuse, Power cable & ON/OFF switch etc. switch. • Cleaning the dust, Cleaning the switch • Test & repair the Power supply circuit, contacts with switch cleaning solution. waveform generator circuit amplifier circuit by • Identify & testing a Function Generator doing voltage measurement at the test points Power supply circuit and test at the test points provided. provided for correct output voltages. • Effect of DC-offset control on the • Test the waveform generator circuit output waveform. waveforms at the test point provided with the help of a Replacing the open Fuse with correct • CRO. • Test the Function selector switch for its rating. proper contacts. • Test the output amplifier circuit by doing voltage & waveform measurement at the test points provided. • Service the equipment by blowing dust, cleaning all the switches, potentiometers, output terminals etc. (4)Signal Generator: • Familiarization with front panel control. • Function Generator. • Cleaning the dust, Cleaning the switch • Familiarization with front panel controls. contacts with switch cleaning solution. • Cleaning the dust, Cleaning the switch • Testing the fuse, Power cable & ON/OFF contacts with switch cleaning solution. switch. • Identify Different circuit blocks of Signal before • Testing a Signal Generator’s Power trouble shooting. supply circuit, oscillator circuit & output 5)CRO: amplifier circuit for trouble shooting. • Precaution to be taken in handling a CRO. Replacing the open Fuse with correct • • Familiarization with front panel rating controls. • Familiarization with front panel controls • Identify different blocks in a CRO. and measurements • Study & Trouble shooting technique • Cleaning the dust, Cleaning the switch of CRO’s Power supply circuit, vertical contacts by switch cleaning solution. amplifier, horizontal amplifier & Sweep • Testing the fuse, Power cable & ON/OFF generator circuit etc. switch. • Test the by doing voltage & waveform • Identify & testing a CRO’s Power supply measurement at the test points provided. Vertical amplifier circuit , horizontal • Check for proper operation of amplifier & Sweep generator circuit etc. AUTO/NORMAL, LINE, CH-1 or CH-II, EXT • Check by feeding the CAL signal to the etc. channel in use for accurate measurement. • Check the calibration of the cro for • Test the circuit by doing voltage & waveform accurate measurement by feeding the CAL measurement at the test points provided. signal to each channel. • Check all functions AUTO/NORMAL, • Cleaning of switches, potentiometers etc. LINE, CH-1 or CH-II, EXT, selection of • Maintaining the test probes in proper AC-DC-GND etc. condition. Test the probe with attenuation • Maintaining the test probes in proper (X1, X10). condition. • Time base and amplitude control • Use of CRO probes wth & without • Triggering, ALT-CHOP mode attenuation (X1, X10). • Replacing the open Fuse with correct rating. • Time base switch – its functions, operation and repair 28 Certificate Level – IV 1. Repair & Maintenance of Intercom System (ELC 208) Practical Competencies Underpinning Knowledge (Theory) Practice procedures for safety and health hazards measures Test the components used in the pushbutton telephone Identify the various tone signals used in the phones Electrical and personal safety, dangers and preventions Identify the components used in Push button telephone Understand the various tones used in the phone circuits Use of microphone and speaker Differentiate pulse dialing and tone dialing and their applications Functions of the dialer circuit and speech circuit Testing of microphone and speaker Testing & replacing components in the protection circuit and ringer circuit Test the key pad for proper function and repair the key pad problems Identify the faulty component and replace in the dialer circuit and speech circuit Test and identify the fault in a pushbutton telephone Identify and fix the various adaptors, connectors and sockets Identify the terminals of trunk line and extension line and connect the extensions Setting the call transfer, call wait and other facilities available on EPABX Trace the wiring and locate the fault in the extension wiring circuit Testing methods of pushbutton telephone for proper functions Use of various adaptors, connectors and sockets used in the telephone circuits Methods to connect the trunk line and extension line in a EPABX Call wait, call transfer, conference facility available in a EPABX Read wiring circuits and understand the wiring of extension circuits. 2. Repair & Maintenance of PA & Audio Systems (ELC 210) Practical Competencies Practice procedures for safety and health hazards measures Identify the various types and power rating of speakers Types of microphones and their applications Construct and repair small power supplies Amplifier -connection with microphone and speakers Long line connection, line transformers and their connection, phasing according to manufacturing Fault finding in pre amplifier sections Fault finding in power amplifier sections, power transistor testing Rectification of Humming and whistling problems Underpinning Knowledge (Theory) Electrical and personal safety, dangers and preventions Understand the working of microphones and speakers Types of microphones and their properties. Power supply , ripple, filtering and power rating. Regulated power supply Importance of Impedance matching, types of wires used for connecting mic and speakers. Pre amplifiers, their necessity, impedance matching, wire less microphones Power amplifiers, components used in power amplifier section and their functions Earthing and its importance Multi input amplifiers and their conncetions. CD Player Identify the internal parts of CD player such as Loading motor and its assembly Turntable motor and its assembly Slider motor and tracking coil Linear tracking pickup assembly Servo system and OPU Lens cleaning Study the working principle of ACD and VCD players Study the functions of front panel controls Study the parts in mechanical section and their working Explain the loading action of CD player 29 Trouble shooting with the following faults. Study the motors used and the working of servo system Dead set, Tray does not open., Disc not Study the optical pickup unit and its working reading, Track jumps, CD gets ejected 3. Repair & Maintenance of Photocopier & Fax Machine (ELC 211) Practical Competencies Practice procedures for safety and health hazards measures (a). PHOTO COPIER Operation of a photo copier. Dismantling and assembling of paper feed mechanism, paper tray, Thermal unit and Toner Unit. Identify the various sensors used in the copier and their fixtures. Fault finding and repairing in electrostatic high voltage unit. Dismantling and fitting of drum unit- cleaning of drum unit Dismantling and refitting of Carriage unit , mirror unit and light unit Fault finding in light unit Identify the faults and repair in the thermal unit. Underpinning Knowledge (Theory) Electrical and personal safety, dangers and preventions Principle of photo copying Photo sensitive materials- selenium etc.. Image transfer methods Various types of sensors and their functions. Electrostatic charger and charging of drum assembly. Toner and its properties. Paper trays, Paper feed mechanism and the sensors used for paper movement Effects of light Intensity on charging the drum unit. Control modules- understand the fault codes and identify the faulty sections. Fault finding in control module Periodic cleaning and servicing of copier machines Overall fault finding and repair a photo copier machine. Fault finding and repair of Colour copiers Repairing of Jumbo copiers Repairing of multipurpose copy printers. Repairing of heavy duty copiers (b). FAX MACHINE Operation of a Fax machine. Telephone line access and phone connection Dismantling and assembling of paper feed mechanism, paper tray, Thermal unit and Toner Unit of Fax machine Identify the various sensors used in the Fax machines Thermal printers and Ink printers. Focusing, enlargement methods Identify the faults and repair in the thermal printer unit. Control modules- understand the fault codes and identify the faulty sections. Fault finding in control module Paper trays, Paper feed mechanism and the sensors used for paper movement Functions of control module – fault codes Periodic cleaning and servicing of fax machines Functions of control module – fault codes Fault finding methods and procedure for copier machines Principle of Colour Copiers Multipurpose copy printers and heavy duty copiers. Principle of Fax machine. Properties of telephone line, ISDN line Data reception and printing Checksum and its importance Scanning of paper and converting to data. Printers thermal and ink , their working principles. Fault finding methods and procedure for Fax machines Fault finding methods and procedure for Fax machines 30 Certificate Level – V 1. Basic Electronics (Repair & Maintenance of Power supply, inverters, and UPS (ELC 101) Practical Competencies Underpinning Knowledge (Theory) • Practice procedure for electrical and personal safety measures • Use of multimeter • Testing of active and passive components • Testing of transformers • Testing of semiconductor components • Testing of unregulated and regulated voltages • Soldering and de-soldering techniques • Assemble and test rectifier circuits – half wave, full wave & bridge rectifier • Assemble a power amplifier circuit (ce, emitter follower) • Assemble and test an audio power amplifier (buzzer) • Construct a RC- oscillator and test it • Find the total load and select a suitable UPS/Inverter (rating factor) • Installation of UPS and Inverters • Maintenance of battery • Opening & dismantling an equipment and identifying the major parts , testing of major components, identifying transformers and checking , checking of power modules, Charging , discharging and testing of batteries, repairing of SMPS, simulating various faults diagnosing and rectifying it. • Electrical and personal safety, dangers and preventions • Multimeter and its various application • Basics of electricity ‒ define DC, AC // practical measuring units of voltage, current, resisistance. Types of transformers – its construction, testing • Testing of proper earth using test lamp • Testing of earth using multimeter • Fuse – types, use of fuses and its rating • Basic Electronics – passive and active components – testing of components, MOSFET – precautions when handling • Applications of transistor – its uses • Op-Amp – Introduction, applications, construction, comparators • Voltage Regulator and their types • DIAC, SCR, TRIAC - applcation • Digital electronics – gates and its application, multiplexers, de-multiplexers, counter • Electrical load their VA and watts. Various types of batteries used in UPS and Inverters and their maintenance. • Single phase and three phase system, Different types of inverter, UPS, Working principle, specifications, explanation with the help of block diagram, basic principle of working of power switches, testing methods, discussions of various faults, diagnosing methods, rectifying common faults. 2. Repair & Maintenance of cellular phones (ELC 207) Practical Competencies Underpinning Knowledge (Theory) Practice procedures for safety and health hazards measures Operation and setting of cell phone Electrical and personal safety, dangers and preventions Introduction to various types of mobile handsets, their description, features & how to use these features. Identify the keys and their uses. Identify various components of mobile handsets Explaining of various features of mobile phones and methods of using the same. Replace faulty parts with new parts of mobile Fault finding and trouble shooting phone that can be done without use of soldering Test the battery and battery charger with multimeter. Identify the components used in a cell phone Testing of Mic, speaker and vibrator Function of Mic, speaker and vibrator 31 Soldering and desoldering of various SMD components and select suitable temperature for use. SMD soldering methods Soldering and desoldering of BGA Ics. Identify BGA Ics. Check track continuity and use jumpers for track problems. Apply proper flux and cleaning the cell phone Identify various blocks and their functions Test and rectify the problems in antenna and antenna switch Use of various solders , flux and cleaning agents. Use of antenna and antenna switch Identify the fault and test the display interface circuits. Unlock and lock various functions Functions of display, CPU, memory Identify the faults of Network section and voice section and rectify them. Functions of the IF section, COBBA section and PA section. Complete knowledge of Block Diagram, circuit diagram, i.e., Power Section On/off circuit Net Section Charging Section Software Section Rectify the faults related to SIM and SIM connector SIM and SIM related problems of GSM & CDMA PHONES Rectify the faults in Camera and camera interface circuits Use of computer for cell phone servicing – cell phone software Identify and Rectify the faults in Bluetooth circuits Use of anti-static mats Camera phones its constructional details and working Bluetooth and other wireless circuits. Complete hardware and software knowledge of PDA and multimedia handsets, Window based handsets. Knowledge of downloading of add-on software, ring tones, wall papers, themes, etc. on non- multimedia and multimedia handsets, window based handsets. Various locks used in cell phone Flashing and its need- precautions to be taken while flashing 3. Installation & Maintenance of Electronic Equipments in cell phone towers (ELC 209) Practical Competencies Practice procedures for safety and health hazards measures • • • • • • • Perform cable earthing Feeder cable clamping Feeder connector making Install indoor and outdoor ladder Cable routing Install equipment like BTS, TMR Install antenna Underpinning Knowledge (Theory) Electrical and personal safety, dangers and preventions Programme Contents: • Feeder Cables – earthing, clamping, connector • Ladders used – installation of indoor and outdoor ladders • Base Transciever Station (BTS)– INSTALLATION • Installation of transmission rack (TMR) • Equipment Installation and safety • Installation of Antenna 32 • • • • Install the GSM & MINILINK antenna Use VSWR meter and measure the signal strength Perform Microwave alignment Perform the task of interconnecting the different units in a Base Transceiver Station • Fundamentals of AC • Microwave spectrum - CDMA, GSM - micro wave link – wave guide • modem multiplexing unit • Switching Multiplexing Unit • Tributary Frame • Distrin\bution Unit • Mini link cable and installation • Antenna- mini-link & serving antenna, antenna maintenance • UPS and its maintenance • Generator set and its Maintenance • Lighting arrestor • Electrical wiring, cabling and routing 33 Certificate Level – VI 1. Basic Electronics (Repair & Maintenance of Power supply, inverters, and UPS (ELC 101) Practical Competencies • Practice procedure for electrical and personal safety measures • Use of multimeter • Testing of active and passive components • Testing of transformers • Testing of semiconductor components • Testing of unregulated and regulated voltages • Soldering and de-soldering techniques • Assemble and test rectifier circuits – half wave, full wave & bridge rectifier • Assemble a power amplifier circuit (ce, emitter follower) • Assemble and test an audio power amplifier (buzzer) • Construct a RC- oscillator and test it • Find the total load and select a suitable UPS/Inverter (rating factor) • Installation of UPS and Inverters • Maintenance of battery • Opening & dismantling an equipment and identifying the major parts , testing of major components, identifying transformers and checking , checking of power modules, Charging , discharging and testing of batteries, repairing of SMPS, simulating various faults diagnosing and rectifying it. Underpinning Knowledge (Theory) • Electrical and personal safety, dangers and preventions • Multimeter and its various application • Basics of electricity ‒ define DC, AC // practical measuring units of voltage, current, resisistance. Types of transformers – its construction, testing • Testing of proper earth using test lamp • Testing of earth using multimeter • Fuse – types, use of fuses and its rating • Basic Electronics – passive and active components – testing of components, MOSFET – precautions when handling • Applications of transistor – its uses • Op-Amp – Introduction, applications, construction, comparators • Voltage Regulator and their types • DIAC, SCR, TRIAC - applcation • Digital electronics – gates and its application, multiplexers, de-multiplexers, counter • Electrical load their VA and watts. Various types of batteries used in UPS and Inverters and their maintenance. • Single phase and three phase system, Different types of inverter, UPS, Working principle, specifications, explanation with the help of block diagram, basic principle of working of power switches, testing methods, discussions of various faults, diagnosing methods, rectifying common faults. 2. Operation of Clinical equipments (ELC 112) Practical Competencies 1. Practice procedures for safety and health hazards measures 2. Identify and Operate centrifuges, incubator, colorimeter, spectrophotometer, flame photometer, gamma Counter, Microscope. 3. Perform calibration on centrifuge 4. Perform preventive maintenance on centrifuges, incubator, colorimeter, spectrophotometer, flame photometer, gamma Counter, Microscope. Underpinning Knowledge (Theory) • Safety and security, health hazards • List out various instruments in clinical laboratory, • Hot plate and magnetic stirrer ‒ operating procedure, care important specification • Centrifuges ‒ construction, working principle, use, care rpm calibration, timer calibration, thermometer calibration, preventive maintenance, selection of centrifuge, various types of centrifuges. • Hot air oven ‒ use, operating 34 procedure, construction procedure, use, care, important specification • Incubator ‒ use, construction, care. • Temperature bath: use, construction, care. • Body fluids- blood, urine, CSF & other body fluids • Colorimetry and photometry ‒ define: - light wave, wavelength, unit of wavelength, monochromator, light source, cuvette, photodetector, coloured solution • Colorimeter ‒ use, construction, front panel controls, operating procedure, care, important specification • Spectrophotometer use, construction, front panel controls, operating procedure, care, important specification • Flame photometer use, construction, front panel controls, 3. Operation of Physiotherapy Equipments (ELC 117) Practical Competencies 1. Practice procedures for safety and health hazards measures Prepare patient for physiotherapy treatment 2. Operate TENS Machine 3. Operate Interferential therapy Instrument 4. Operate short-wave diathermy machine 5. Operate and maintain UV light system 6. Operate Ultrasound diathermy machine Underpinning Knowledge (Theory) • Electrical and personal safety, dangers and preventions • Preparation of patient • Transcuatneous electrical nerve stimulation ‒ uses, positioning of electrodes, intensity, working of TENS, construction, front panel controls, operation procedure • Interferential therapy ‒ working • Methods of heating the tissues ‒ direct and indirect methods • Short-wave diathermy use, construction, front controls, operation procedure ‒ panel • Ultrasound diathermy use, construction, front controls, ‒ panel 35 operation procedure • Ultra violet radiation use, construction, front panel controls, operation procedure 4. Maintenance of Physiotherapy Equipments (ELC 218) Practical Competencies Practice procedures hazards measures a. Operate b. Use tools soldering Underpinning Knowledge (Theory) safety and health Electrical and personal safety, dangers and preventions Programme Contents: Multimeter & Measure • Multimeter and its application Resistance, voltage, current • Basics of electricity ‒ define DC, AC & c. Perform power equipments for Perform soldering and de- chord maintenance of // • • • • d. Test earth using test lamp or multimeter • e. Perform cable maintenance f. Open equipment, Remove, test and replace blown fuse in the PCB • • • • practical measuring units of voltage, current, resisistance. Testing of earth using test lamp Testing of earth using multimeter fuse – types, use, testing Basic Electronics – passive and active components, testing of components, Op-Amp – Introduction, applications, construction, differential amplifier, biomedical amplifier, filters – integrator, differentiator, notch filters, comparators Digital electronics – gates and its application, multiplexers, demultiplexers, counters Replacement of fused lamp in UV light TENS - block diagram, Common PCB’s and identification of PCB’s Interferential Therapy Machine - 36 Certificate Level – VII 1. Basic Electronics (Repair & Maintenance of Power supply, inverters, and UPS (ELC 101) Practical Competencies • Practice procedure for electrical and personal safety measures • Use of multimeter • Testing of active and passive components • Testing of transformers • Testing of semiconductor components • Testing of unregulated and regulated voltages • Soldering and de-soldering techniques • Assemble and test rectifier circuits – half wave, full wave & bridge rectifier • Assemble a power amplifier circuit (ce, emitter follower) • Assemble and test an audio power amplifier (buzzer) • Construct a RC- oscillator and test it • Find the total load and select a suitable UPS/Inverter (rating factor) • Installation of UPS and Inverters • Maintenance of battery • Opening & dismantling an equipment and identifying the major parts , testing of major components, identifying transformers and checking , checking of power modules, Charging , discharging and testing of batteries, repairing of SMPS, simulating various faults diagnosing and rectifying it. Underpinning Knowledge (Theory) • Electrical and personal safety, dangers and preventions • Multimeter and its various application • Basics of electricity ‒ define DC, AC // practical measuring units of voltage, current, resisistance. Types of transformers – its construction, testing • Testing of proper earth using test lamp • Testing of earth using multimeter • Fuse – types, use of fuses and its rating • Basic Electronics – passive and active components – testing of components, MOSFET – precautions when handling • Applications of transistor – its uses • Op-Amp – Introduction, applications, construction, comparators • Voltage Regulator and their types • DIAC, SCR, TRIAC - applcation • Digital electronics – gates and its application, multiplexers, de-multiplexers, counter • Electrical load their VA and watts. Various types of batteries used in UPS and Inverters and their maintenance. • Single phase and three phase system, Different types of inverter, UPS, Working principle, specifications, explanation with the help of block diagram, basic principle of working of power switches, testing methods, discussions of various faults, diagnosing methods, rectifying common faults. 2. Operation of ECG and ICCU Instruments (ELC 113) Practical Competencies a. Practice procedures for safety and health hazards measures b. Practice procedures for safety and health hazards measures c. Operate Single-Channel ECG recorder & Multi- Channel ECG Recorder. d. Test the ECG recorder e. Operate Cardiac Monitor, Defibrillator, Pulse Oximeter & NIBP Machine. Underpinning Knowledge (Theory) Programme Contents: • Electrical and personal safety, dangers and preventions • Electrical and personal safety, dangers and preventions • Human anatomy (Basics), list out the different bioelectric signals & physiological parameters, Physiology of heart, ECG signal and its component, Electrode placement, ECG Leads • ECG Recorder ‒ use, types:‒ single 37 channel & multi-channel, manual and automatic // Technical specifications of ECG Recorders, working principle of ECG Recorders, Operation of ECG Recorder. Front Panel controls, Patient Cable, Electrode types, Programmable features • • • • • • of multi-channel recorder, calibration ‒ using of 1mV control , Care and maintenance of ECG Recorders ECG Monitor:- Specifications Front Panel controls , Patient Cable, Electrodes used, electrode placement, working principle, Operation, care and maintenance Pulse oximetry Pulse oximeter:Specifications Front Panel controls , Patient Cable, Electrodes used, working principle, Operation, care and maintenance Blood pressure measurement. and non-invasive, NIBP invasive measurement methods • NIBP Machine:Specifications, Front Panel controls , Patient Cable, cuff placement , working principle, Operation, care and maintenance . Defibrillator:Specifications Front Panel control, Patient Cable, Electrodes used, working principle, Operation, acre and maintenance Precautions and prevention of transmission of diseases, minimizing infections 3. Operation of X-ray machine and dark room assistance (ELC 115) Practical Competencies a. Practice procedures for safety health hazards and measures b. Familiarize with controls and operate mobile X- ray machine c. Familiarize with Darkroom Underpinning Knowledge (Theory) • Electrical and personal safety, dangers and preventions • Properties of x-rays, Use of x-ray • Precautions and safety when operating the x-ray machine, Radiation dose, effect of x-ray radiation on human/operator 38 and its stages, Able to develop x-ray films • Mobile x-ray machine – list out various controls i.e. Kvp, mA, exposure time etc of x-ray machine, construction, operation • Dark room, procedure for developing x-ray film • Film drier –use 4. Maintenance of ECG and ICCU Equipments (ELC 214) Practical Competencies Practice procedures hazards measures for Underpinning Knowledge (Theory) safety and health Electrical personal safety, dangers and preventions Programme Contents: a. Operate Multimeter & Measure • Multimeter and its application Resistance, voltage, current • Basics of electricity ‒ define DC, AC // b. Use tools & Perform soldering and depractical measuring units of voltage, current, soldering resisistance. c. Perform power chord • Testing of earth using test lamp maintenance of equipments • Testing of earth using multimeter d. Test earth using test lamp or multimeter • fuse – types, use, testing e. Perform cable maintenance • Basic Electronics – passive and active f. Open equipment components, testing of components, g. replace fuses which are outside the • Op-Amp – Introduction, applications, equipment construction, differential amplifier, biomedical amplifier, filters – integrator, differentiator, notch filters, comparators • Digital electronics – gates and its application, multiplexers, de-multiplexers, counters a. Test the performance of ECG Recorder , study symptoms & Identify the faulty PCB b. Test the performance of ECG Monitor, study symptoms & Identify the faulty PCB c. Test the performance of pulse oximeter, study symptoms & Identify the faulty PCB d. Test the performance of NIBP Machine, study symptoms & and • Operation of ECG Recorders, Operation of ECG Monitors, defibrillatr, pulse oximeter, NIBP Machine • block diagram of ECG recorder, Common PCB’s and identification of PCB’s, fuses in the PCB • performance of ECG Recorder – study of symptoms and finding out the faulty PCB, fuses in the PCB • block diagram of ECG Monitor, Common 39 Identify the faulty PCB e. List out the tools required for performing intermediate level maintenance the f. Follow dismantling procedure open equipment and replace the faulty board g. Remove, test and replace blown fuse in the PCB • • • • • PCB’s and identification of PCB’s, fuses in the PCB performance of ECG Monitor – study of symptoms and finding out the faulty PCB, fuses in the PCB block diagram of pulse Oximeter , Common PCB’s and identification of PCB’s, fuses in the PCB performance of Pulse Oximeter – study of symptoms and finding out the faulty PCB, fuses in the PCB block diagram of NIBP Machine , Common PCB’s and identification of PCB’s, fuses in the PCB performance of Pulse Oximeter – study of symptoms and finding out the faulty PCB, fuses in the PCB 5. Maintenance of X-ray machine (ELC 216) Practical Competencies Underpinning Knowledge (Theory) Practice procedures hazards measures for safety and health Electrical and personal safety, dangers and preventions Programme Contents: a. Operate Multimeter & Measure • Multimeter and its application Resistance, voltage, current b. • Basics of electricity ‒ define DC, AC // Use line-tester, practical measuring units of voltage, current, c. Perform power chord maintenance of resisistance. equipments • Use of line-tester d. Test earth using test lamp or multimeter • Testing of earth using test lamp e. Replace fuse in the equipment and • Testing of earth using multimeter replace them when required • Basic Electronics – passive and active f. Test switches, interlocks, magnetic relay, and components, testing of components, circuit breakers and replace • Op-Amp – Introduction, applications, g. Maintain patient table, tube stands and construction, differential amplifier, biomedical tracks amplifier, filters – integrator, differentiator, notch filters, comparators • Digital electronics – gates and its application, multiplexers, de-multiplexers, counters • Layout of a x-ray room, safety features required • Fuse ‒ use, types used in X-Ray Machine, ratings • Switches and interlocks, relay, circuit breakers in x-ray machine • Power cord maintenance, changing broken 3-pin plug 40 • high tension cables & its precautions • General care and maintenance for mobile x-ray machine and stationary x-ray machine h. Test the performance of X-ray Machine , test exposure timer, mille ampere testing, kilo voltage testing i. Test the performance using non-invasive xray QC device j. Maintaining of log book k. List out the tools required for performing maintenance l. X-ray tube housing – maintenance j. Replacemen of fused bulb in Collimator k. Follow dismantling procedure open the equipment and replace the faulty board • Operation of X-Ray Machine • block diagram of x-ray machine, Common PCB’s and identification of PCB’s, fuses in the PCB • performance of x-ray machine –use of spinning top, wisconsin test tool, aluminium test wedge, dosimeter , Wisconsin test cassette • non-invasive x-ray QC device – use, operation • bucky tray and its maintenance • x-ray tube – types, working, rating chart, faults in x-ray tube, tube housing • collimator – use, construction, bulb in collimator – rating & replacement 41