SERVICE MANUAL
MV2000
MEKICS VENTILATOR
MEKICS Co., Ltd
Industrial Zone, 861-10 Taegye-dong, Chunchon-si, Kangwon-do, Korea
TEL + 82 33 264 5926
www.mek-ics.com
FAX +82 33 264 5999
E-mail : sales@mek-ics.com
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
- TABLE OF CONTENTS 1. General information …………………………………………. 1
2. Configuration of MV-2000 …………......…………………… 6
3. Structure of MV-2000
………..………………….…….. 12
(1) Front picture and the explanation
…………………….. 12
(2) Back side picture and the explanation
………………… 14
(3) Left side picture and the explanation
…………………… 16
(4) Right side picture and the explanation
(5) Keypad
………………… 17
……………………………..……………………. 18
4. Power ON
…………………….…………………………… 22
5. Specifications ………….…………………………………… 25
6. Description of each board ………………………………… 27
(1) System Block Diagram (over all system)
(2) DSC Board
……..……………. 27
…………………………….….………………… 28
(3) PNEUMATIC Board ………………………………………….
(4) DRIVER Board
……………………………………..…… 41
(5) SENSOR Board …………………………………………..…....
(6) KEY Board
35
43
…………………………………………..….... 45
(7) POWER Board(AC–DC)
…………………………………….. 46
7. Assembly & Disassembly ……………………………… 49
(1) Product Disassembly
……………………………………….. 49
DRIVER BOARD Separation
…………………………. 59
SENSOR BOARD Separation
…………………………... 60
PNEUMATIC BOARD Separation
SOLENOID VALVE Separation
II
..……………………... 61
………………………... 62
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(2) Monitor’s Separation ………………………………………….
64
Monitor’s Separation ………………......…………………
64
Monitor Main Frame Separation
INVERTER BOARD Separation
……………………………..
DSC BOARD Separation
TFT-LCD Separation
KEY BOARD Separation
ALARM and NORMAL LED Separation
………..………………. 66
69
……………………………… 70
………………………………… 71
……………………………… 72
………….…. 73
8. Voltage Control method ……………………………….… 74
(1) Each Board's Voltage control method ………………………… 74
1) Digital Board’s Voltage Control
..……………………………… 74
2) Sensor Board’s Voltage Control ..…………………..…………….
3) O2 Sensor's voltage control
75
.………………………………… 75
(2) Product inspection method
.……………………………………….
76
1) Sol Valve on/off TEST .…………………………………..……
76
2) PV1 Adjustment
……………………………………..….... 77
3) LS1 Adjustment
……………………………………..….... 78
9. TROUBLE SHOOTING …………………………………….. 79
(1) LCD Screen Badness
…………………………………… 80
(2) Solenoid Valve’s Operation Badness
…………………….. 82
(3) Unable to measure VENT MODE ………………………….
(4) KEY Operation Badness
83
………………………………… 84
(5) Power Deficiency & Unable to turn on the device
………. 85
10. COMMUNICATION ……………………………………... 87
11. Part List ………………………………………..………….... 88
III
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
1. General information
CE Marking Information
Standard List >>>
1. Electrical Safety EN60601-1 : +A1 : 1993, +A2 : 1995, +A13 : 1996
Medical electric equipment
Part1: General requirements for safety
2. EN60601-1-2 : 2001 (IEC 60601-1-2:2001)
Electromagnetic compatibility-Requirements and tests
3. EN60601-2-12:2001
Medical Electrical Equipment:
Part 2-12: Particular requirements for the safety of lung ventilator Critical care ventilator
4. EN61000-3-2:2000(IEC61000-3-2:2000)
Electromagnetic compatibility(EMC)-Pt.3 : Limits for harmonic-current emissions
(Equipment input current up to and including 16A)
5. EN61000-3-3:1995+A1:2001(IEC61000-3-3:1994+A1:2001)
Electromagnetic compatibility(EMC)-Pt.3 : Limits-S.3 : Limits for voltage fluctuations and flicker in
low Voltage supply systems for equipment with rated current up to and including 16A.
1
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
Warning, Caution Symbol
Warning
Warns of conditions and situations which, if not taken care of or avoided, could cause
damages to people or to the equipment
Caution
Warns of conditions and situations which, if not taken care of or avoided, could cause
damages to people or to the equipment
Note
Informs the reader about the relevant facts and conditions: draws the attention to
important information however this does not necessarily cause damages to people or
to the equipment.
2
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
General Precaution on Environment
Avoid placing in an
area exposed to
moisture. Do not
touch the equipment
with wet- hand.
Avoid exposure to
direct sunlight
Avoid placing in an
area where there is a
high variation of
temperature.
Operating
temperature ranges
from 10°C to 40°C.
Operating humidity
ranges from 30% to
75%.
Avoid in the vicinity of
Electric heater
Avoid placing in an
area where there is
an excessive
humidity rise or
ventilation problem.
Avoid placing in an
area where there is an
excessive shock or
vibration.
Avoid placing in an
area where
chemicals are stored
or where there is in
danger of gas
leakage.
Avoid dust and
especially metal
material into the
equipment
Do not disjoint or
disassemble the
equipment.
MEKICS Co., Ltd.
takes no
responsibility of it
Power off when the
equipment is not fully
installed.
Otherwise, equipment
could be damaged.
3
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
General Precaution on Electric Safety
Warning
Before operate this equipment, please check out followings;
- Be sure that power supply line is appropriate to use.
(Power Input: 100 - 240V AC).
- Be sure that the entire connection cable of the system is properly and firmly fixed.
Note
Note: The equipment should not be placed in the vicinity of electric generator, X-ray,
broadcasting apparatus to eliminate the electric noise during operation. Otherwise, it
may cause incorrect result.
Self-power line is important for MV2000. To use the same power source with other
electric instruments may cause incorrect result.
Warning
If MV2000 doesn’t operate normally or is damaged, please don’t use it to patient but
contact your hospital engineer or your local representative.
Equipment Connection
Caution
Doctors and nurses can be disposed the danger of uncontrolled electricity. This
mentioned electricity can be made due to the electrical discrepancy between
MV2000 and other electricity-conductable objects. In order to solve this problem, all
configurations of other related equipment shall comply with the system standard
EN 60601-1.
4
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
Maintenance and Cleaning
MV2000 can be kept cleaning in many different ways. Use the following recommendations
to avoid the damage or stain of the machine.
1) If the material (not approved material) that may cause damage to the product, the
product will not be guaranteed even within warranty period.
2) Please, Check the main equipment and sensor carefully after its cleaning.
If it is damaged or old, do not use it.
3) Clean the outside of equipment with clothes soaked warm water or alcohol
once a month at least.
4) Do not use spray, thinner, ethylene or oxidizer.
5) Do not soak the machine or the probes into any liquid or detergent. Keep the
machine or the probes away from any liquid.
Also, don’t get wet any part of equipment nor accessories by water or any detergent.
Caution
Do not leave or throw away disposable sensor in the place caused damage.
Be careful environment pollution.
Caution
Only the engineer from MEKICS or authorized maintenance service engineer can
disassemble the product to chance Battery. If not, we can not grantee warranty
service.
.
Caution
Do not use MV2000 for 2 patients at the same time.
5
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
2. Configuration of MV-2000
(1) Components
① Ventilator (High pressure, Inspiration, Expiration)
② 10.4” TFT Color LCD Monitor
③ Cart
④ Circuit Arm : 1set
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MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
⑤ High Pressure Hose (O2, Air)
⑥ Inspiration Bacteria Filter (Disposable, Reusable)
⑦ Test Lung
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MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
⑧ Reusable Circuit (Silicone Hose(45cm, 60cm, 110cm))
⑨ Tube connector(straight, Y-right angle)
⑩ Water Trap
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MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
⑪ Monitor VGA Cable
⑫ AC POWER Code
⑬ FUSES 2 Pcs (250V / 6.3A)
⑭ USER’S MANUAL 1 Copy
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MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
No
VER 1.1 November, 2008
Name
Explanation
remark
MEKANT as respiration assistant equipment
for adult helps for normal breathing by
①
setting breathing way, breathing volume,
Ventilator
breathing times, oxygen density, breathing
rate etc in order to solve hypoxia to be
appeared from emphysema of the lungs
patients or respiratory disease patients.
②
③
④
10.4” TFT Color LCD Monitor
Show the condition of various ventilators
and patients.
Cart
Moving the system
Support Arm
Install Circuit Arm for patient.
Oxygen High pressure hose
⑤
length:1.8m
Connection hole to connect to main body
using high pressure hose to approve O2 gas.
length:3.5m
Connection hole to connect to the main body,
Air High pressure hose
using high pressure hose to approve air gas.
length:3.5m
Device to filter the moisture in the Air.
⑥
⑦
⑧
filter is used at the place for exhaled air from
Bacteria Filter
patient’s body in order not to supply polluted
air to patient.
Test Lung
Modeling of lung
Respiration Tube(L:110Cm)
Respiration Tube(L:60Cm)
Between product and patient air inhalation
and exhaust used tube
Respiration Tube(L:40Cm)
⑨
Water Trap
length:0.2m
length:1.1m
length:0.6m
length:4.5Cm
Connection product and tube, tube and tube
Connector (L:6.5Cm)
⑩
⑪
⑫
Φ
diameter: 72
length:0.4m
Connector (L:4.5Cm)
Connector Y (L:6.5Cm)
Inside
length:6.5Cm
length:6.5Cm
Remove water of air that is been hard on from
patient.
length:0.13m
Monitor VGA Cable
Power supply and Data transmission
length:0.6m
AC Power Cable
power supply Cable
length:1.9m
10
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
⑬
⑭
FUSES 2 Pcs (250V/6.3A)
USER’S MANUAL
VER 1.1 November, 2008
Protection of System
operator’s manual explains the way of
installation and usage for MEKANT
Table 22-1. Component Description
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MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
3. STRUCTURE OF MV-2000
(1) Front picture and the explanation
ⓑ LCD MONITOR
ⓐ CIRCUIT ARM SOCKET
ⓒ KEY FRONT
ⓐ CIRCUIT ARM SOCKET
ⓗ NEBULIZER PORT
ⓓ INSPIRATION PORT
ⓖ CARRIAGE
CARRIAGE GRIP
ⓕ EXPIRATION LEVER
ⓔ EXPIRATION PORT
Figure 3-1. Front View
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MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
No.
VER 1.1 November, 2008
Part
Description
ⓐ
Circuit Arm
Install Circuit Arm for patient.
ⓑ
LCD Monitor
Show the condition of various ventilators and patients.
ⓒ
Key Front
Key button and encoder.
ⓓ
Inspiration Connector
Joint hole to connect with patient.
ⓔ
Expiration Connector
Joint hole to connect from patient.
ⓕ
Expiration Lever
Lock or unlock lever for Expiration Assembly.
ⓖ
Carriage Grip
ⓗ
Nebulizer Port
Connection to spray medicines
Table 33-1. explanation
Warning
Be careful because heated exhalation assembly due to moisture
during exhalation.
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MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(2) Back side picture and the explanation
ⓐ SPEAKER
ⓑ VGA
ⓑ COMM.
ⓑ TO PNEUMATIC
ⓓ EXTERNAL BATTERY
ⓔ POWER SWITCH
ⓒ AC INLET
ⓕ O2 INLET
ⓚ COMM.
ⓖ AIR INLET
ⓙ TO MONITOR
ⓗ TANK RELEAF
ⓘ BATTERY DOOR
Figure 3-2. Back side View
14
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
No.
VER 1.1 November, 2008
Part
Description
ⓐ
Speaker
For alarm and sound.
ⓑ
VGA
VGA cable connection hole to show patient condition on the
other Monitor.
COMM
Cable connection hole to connect PC or central connection.
To Pneumatic
Connection hole to connect to the main body.
ⓒ
AC Inlet
Connection hole for AC power input.
ⓓ
External Battery
Connection hole for external battery.
ⓔ
Power Switch
Power on/off switch for common use.
ⓕ
O2 Inlet
Connection hole to connect to main body using high pressure
hose to approve O2 gas.
ⓖ
Air Inlet
Connection hole to connect to the main body, using high
pressure hose to approve air gas. Device to filter the moisture in
the Air.
ⓗ
Tank Relief
Outlet to exhaust the over pressed air when the pressure of air
tank is over than 40 PSI.
ⓘ
Battery Replacement
Door to replace the internal battery.
Door
ⓙ
To Monitor
Connection for monitor.
ⓚ
COMM
Connection hole for pneumatic communication.
Table 33-2. explanation
Warning
You should be careful with battery’s polarity when it is exchanged.
Products can be damaged when polarity is connected wrongly.
It should be careful of battery’s terminal to be short on the metal part
15
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(3) Left side picture and the explanation
ⓐ
LOCKER
Figure 3-3. Left side View
No.
ⓐ
Description
LOCKER : Locker to disassemble main body with cart.
Pull to unlock and push to locker
Table 33-3. explanation
16
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(4) Right side picture and the explanation
ⓐ
O2 CHANGE DOOR
ⓑ INSPIRATION
RELI
RELIEF
Figure 3-4. Right side View
No.
ⓐ
ⓑ
Description
O2 CHANGE DOOR : Door to be used for exchanging O2 Sensor.
INSPIRATION RELI
RELIEF : Safety valve to exhaust by software, hardware and
mechanically when the equipment is out of order.
Table 33-4. explanation
Warning
Do not stop up safety valve to exhaust by software, hardware and
mechanically when the equipment is out of order.
17
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(5) Keypad
Figure 3-5. Keypad
No
Picture
Description
START SWITCH – If you press START switch for 0.5 sec,
power would be on.
ⓐ
In case of STOP OFF you want , switch should be pressed
for longer than 2 sec.
MANUAL INSPIRATION : This function which is for a
ⓑ
MANUAL
INSPIRATION
ⓒ
100%
O2
respiration according to Ventilator's default is operated
once by pressing the key.
100% O2 : If you press this button, 100% O2 is provided
for 2 minutes.
NEBULIZER : It is acted once as setting value. This allows
ⓓ
NEBULIZER
to nebulize during only inspiration and is stopped by
pressing once again.
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MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
INS. PAUSE : Operating of Ventilator is stopped for a
ⓔ
INS. PAUSE
ⓕ
EXP. PAUSE
ⓖ
regular second after Inspiration Time.
EXP. PAUSE : Operating of Ventilator is stopped for a
VENT
SETTING
regular second after Expiration Time
VENT SETTING : This changes Respiration mode &
each parameter. But if RUN key or button is not
pressed, modified value would be canceled..
ⓗ
SETTING
FREEZE : This is for stop of graph on the display. Stop
ⓘ
ⓙ
ALARM SETTING : It is set alarm limit of each parameter.
graph is measured after its FREEZE
2MIN
ALARM 2 MIN : This makes ALARM remove for 2 minutes.
ALARM RESET : This actives when alarm is reset.
ⓚ
RESET
And previous alarm lamp is removed and the status of
NORMAL will be.
19
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
ACCEPT RUN : It is used when
ⓛ
Ventilator is working as its final
value.
If ACCEPT key is not
pressed, setting value would not
be accepted on the change of
MODE and VENT SETTING. This
is for the safe.
ⓜ
KEY LOCK : It is limit key of all
operations. It can be set and
removed in case of only pressing
ACCEPT and CLEAR at the
same time. Green LED is lighted
ⓝ
when it sets.
CLEAR : It is used for clearance
of menu when menu is controlled
by Knob
Encoder :
Rotary switch for selecting
ⓞ
function on the pop-up menu.
Table 33-5. explanation
20
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
A.
No
VER 1.1 November, 2008
LED Indicators
Picture
Description
AC POWER ON LED : LED is on when machine is connected
ⓟ
to AC, otherwise, LED is OFF.
BATTERY ON LED : Battery is charged as the machine is
working when it is connected AC
ⓠ
— ┼
If it is not, battery ON LED
is lighted because the machine is operating by internal
battery. If both AC POWER ON LED and BATTERY ON LED
are OFF, battery should be charged.
EXT.
ⓡ
BATT.
EXT. BATT : LED is on when the machine is connected to
external battery, otherwise, LED is OFF.
Table 33-6. explanation
21
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
4. POWER ON
ⓐ
INLET FUSE
Figure 4-1. AC INLET
Warning
Prior to applying AC or DC to the ventilator, the line frequency has to be
adjusted to the local standard otherwise it might causes damages to the
apparatus.
Power Cord has to be plugged in to the concentric plug on the ground.
Replace covered wire in case of wear and tear.
Please apply the ground cable in order to protect the patient and the apparatus.
Maintain the same level of input & output voltage.
No.
Name
Picture
Description
Pull the upper part of inlet
toward you.
Fuses are located where two
upper arrows are and those are
and
those
indicate
ⓐ
the
lower
2
direction
arrows
when
inserted.
INLET FUSE
Remove the existing fuse and
insert the new fuse as shown in
the picture after checking the
rating.
Close the inlet by doing the steps
backward.
Table 44-1. explanation
22
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
▶
VER 1.1 November, 2008
Battery Operation
It displays battery capability. This is displayed on the upper right hand corner of the LCD display.
The battery capacity will be displayed in 5 main status.
Battery Indicator
Level Status
Explanation
Full Charging
2/3 Charging
1/2 Charging
Low Charging
In case of discharging status, the
Discharging
system will be automatically turn off to
protect the battery 5 minutes later.
Caution
When Battery supply is low, there can be error in detecting vital-sign value.
Please connect AC Adaptor when Low battery status is on.
Warning
Please contact our service center when you have problem with battery, do not
disassemble it.
23
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
▶ Rotational control knob
Rotating and Pressing the Encoder allows a user to navigate through and make changes to
the display element.
Left Rotating
Right Rotating
- Menu Down
- Menu Up
- Left Value
- Right Value
Click
- Menu Screen
- Menu confirmation & storing
24
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
5. Specifications
Display & Key Panel
Pneumatic Supply
Display Panel with Key & Encoder
Oxygen/Air Inlet Pressure 2.56~7.3Kgf/
Screen Size : 10.4” TFT Color LCD
/ 2.4~6.9 bar
Resolution : 640 X 480
/ 35~90 psi
Special Key Functions
㎠
Pneumatic Specifications
Mode
- Manual Ins. / Ins. Pause / Exp. Pause
VACV, PACV, VSIMV, PSIMV,
/ Nebulizer On,Off / 100 % O2
SPONT, tBi-Level, NIPPV,
- Alarm silence ( 2 min ) / Alarm Reset
AUTO , Apnea Backup
- Freeze / Vent Setting / Alarm Setting
Body Weight
3 ~ 150 kg
- Exit / Key-lock / Accept
Pressure
5 ~ 80 cmH2O
Pressure Support
0 ~ 45 cmH2O
Volume
10 ~ 2500 ml
Input and Output Communication
RS-232 : Baud rate 115200 bps
Respiration Rate
2 ~ 120 BPM
Setting Parameters
I : E Ratio
4:1 ~1:120
Monitoring Parameter
Inspiration Time
0.2 ~ 9.9 sec
Alarm status & Event Message
Plateau Time
0 ~ 9.9 sec
Patient Name / Bed Number / Date & time
TSUS
0.2 ~ 24 sec
Wave Display
PEEP
0 ~ 45 cmH2O
High PEEP
5 ~ 45 cmH2O
Low PEEP
0 ~ 45 cmH2O
E-sense
10 ~ 60 %
Fend
25 ~ 100 %
Display parameter
Pressure / Flow / Volume / P-V / F-V
Trend Display
72 Hrs Tabluar & Graphic Trend.
Pneumatic Performance
Pressure : +/- 5% or +/- 1cmH2O
Trigger Pressure
0.5 ~ 20 cmH2O
Flow : +/- 10% @ 1bar
Flow
0.5 ~ 20 LPM
Volume : +/- 10% @ 1bar
O2
21 ~ 100 %
R-R interval : +/- 1% or 1 BPM
Nebulizing time
10 ~ 180 Min
Power
Pneumatic Connector
Inspiratory / Expiratory Limb Conn.
AC Power Input
100 VAC ~ 230VAC
50/60Hz
ISO 22mm Conical Male
Power Consumption
Air and Oxygen Inlet
Internal Battery
DISS Male / Female
25
< 90W
12VDC 7A Pb Battery
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
External Power Input
VER 1.1 November, 2008
11VDC ~ 15VDC
Internal Battery
** Optional : Additional battery available
Dimensions / Weight
Dimensions: 38 (W) x 43 (D) x 69 (H) (cm)
Weight : 35 Kg
Optional CART
Dimensions : 49 (W) x 56 (D) x 77 (H) (cm)
Weight : 28 Kg
Environmental
℃ (50℃ ~ 104℃)
Storage Temperature -10 ~ 70 ℃ (14℃ ~ 158℃)
Operating Temperature 10 ~ 40
Relative Humidity 10 ~ 85 % (storage)
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MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
6. Description of each board
(1) System Block Diagram (over all system)
Block Diagram for Hardware
UART
OSC
16C554
SRAM
TFT 10.4' LCD
RS- 232
CENTRAL SYSTEM
ARM
FLASH
S3C2410A
LED DISPLAY
VGA OUTPUT
SDRAM
LCD MONITOR
DSC B/ D
KEY FRONT B/ D
IO
PWR
RS- 232
CONV
SOUND
ADAC
SPEAKER
DRIVER B/ D
AC
BOOST- UP
PWR
SV1
TMS320LF2406
RS- 232
RAM
+24V 1.0A
SV2
DSP
POWER B/ D
AD POWER
+15V 4.0A
ROM
STEP- DOWN
PWR
+5V 1.0A
MONITOR PWR
+15V 1.0A
SV3
IO
PNEUMATIC B/ D
PWR
CONVERTER
ADC
SV4
PV1
PWM
LS1
O2 SENSOR
P1
DP1
P2
DP2
P4
DP4
DIFF
AMP
DIFF
AMP
DIFF
AMP
DIFF
AMP
DIFF
AMP
DIFF
AMP
PRE
SEN
PRE
SEN
PRE
SEN
PRE
SEN
PRE
SEN
PRE
SEN
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MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(2) DSC Board
A. DSC Board Picture
B.
Block Diagram
ROM
OSC
STATIC
MEMORY
RTC & TIMER
ARM
S3C2410A
SRAM
FLASH
Address Data
SDRAM
CONTROLLER
KEY_BOARD
CONTROLLER
SDRAM
JTAG
RS232C
VGA
CONTROLL
DAC
UART
16C554
SOUND
DAC
28
TFT LCD
SPEAKER
SOUND
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
C . Function Description
1) S3C2410X01 RISC MICROPROCESSOR
1.8V int., 1.8V/2.5V/3.3V memory, 3.3V external I/O microprocessor with 16KB ICache/16KB D-Cache/MMU
External memory controller (SDRAM Control and Chip Select logic)
LCD controller (up to 4K color STN and 256K color TFT) with 1-ch LCD-dedicated DMA
4-ch DMAs with external request pins
3-ch UART (IrDA1.0, 16-Byte Tx FIFO, and 16-Byte Rx FIFO) / 2-ch SPI
1-ch multi-master IIC-BUS/1-ch IIS-BUS controller
SD Host interface version 1.0 & Multi-Media Card Protocol version 2.11 compatible
Watch Dog Timer
117-bit general purpose I/O ports / 24-ch external interrupt source
Power control: Normal, Slow, Idle and Power-off mode
8-ch 10-bit ADC and Touch screen interface
RTC with calendar function
On-chip clock generator with PLL
2) VGA INTERFACE
15Pin D-sub (CON5)
LCD Display (receive the measured data)
3) RS-232 INTERFACE
9pin D-sub (COM1)
RS-232 communication port purpose is Software upgrade. (
Program :
ArmDown 3.1)
4) POWER ON/ OFF & KEY B/D INTERFACE
26Pin D-sub (CON13)
From the Pneumatic it uses in Power supply and Data transmission.
29
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
D . DSC Software Description
1) DSC Software Architecture
2) DSC Software Architecture Description
NO.
PROCESS
DESCRIPTION
Process real-time based wave.
1
Wave Main
Display base wave and waves in each mode.
Process the data related to displaying the area of wave.
2
Vital Sign Main
Process and display the data in each vent mode.
Display the data processed by Pneumatic B/D.
Adjust the amplitude of the wave received from Pneumatic B/D
3
Wave Gen.
to fit it to the boundaries of to be displayed in LCD.
Calculate the quantity of wave per unit time.
4
Vital Sign Gen.
5
COMM Main
Calculate or Set interval between each Vital Sign received from
Pneumatic B/D to make it be easily recognized by user.
Transmit and receive data related to communication with
Pneumatic B/D and External Serial Port.
30
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
6
COMM Rx.
7
COMM Tx.
VER 1.1 November, 2008
Classify Vital Sign, Wave Data, Instructions and status
information received from Pneumatic B/D.
Transmit user's setting value, Vent mode, Instructions,
Information corresponding to alarms to Pneumatic B/D.
Control time and interval needed to each task.
Control time interval of calculation related to Wave and Vital
8
TIMER Main
Sign display.
Control interval of storing Trend data.
Control time of warning related to alarm and interval of
making a bundle.
Execute instructions corresponding to Vent mode set by user
and saved Set Value in each mode.
9
Invoke CMD
Execute and Command instructions of needed behaviors
corresponding to saved information of user such as Alarm,
bed information, patient information and selection of language.
10
Menu Main
11
Menu Gen.
Create and Display User Pop Up Menu and save Menu selected
by user.
Display Menu and Create and Remove next menu
corresponding to selection in previous menu option.
Manage to display whole screen.
12
Window Main
Set the sequence of display.
Display Wave, Vital Sign, Message, Alarms, Trend Data.
13
Window Gen.
To create one full screen, make several sub-screen be being
used and decide which sub-screen and area to be displayed.
Manage the screen displayed last time and display Wave, Vital
14
Screen Main
Sign and Window Screen making a decision considering the
order of priority and displaying of screens or not.
31
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
3) DSC Software Algorithm Flow Chart
32
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
4) DSC Software Algorithm Description
NO.
PROCESS
DESCRIPTION
Execute initializing after Power On.
1
Vent Initial
Display initial screen and store set information
corresponding to initial set value.
2
Tx Initial Com. To Pneumatic
3
Initial OK
4
Vent Stop
5
User Command
6
User Information
7
Save User Setting
8
Change User Window
9
Vent Mode
Transmit initial set value and command of initializing to
Pneumatic Block.
Receive the value of status of initialized pneumatic block.
Display message and stop operation of ventilator when
pneumatic block has problem in initializing.
Receive user's command and execute needed operation.
Receive user's information such as time, patient
information, bed information, selected language etc.
Store the information related to patient and set configured
value.
Manage to display in accordance with patient information.
Receive the mode of ventilation by user.
Receive the set value corresponding to ventilation mode
10
Input Vent Setting
such as Pressure, Weight, Pneumatic flux, Pneumatic
specific characters.
11
Auto Mode
12
Input Weight
Receive set ventilation mode by user.
Receive patient's weight information by user.
Calculate not only value corresponding to user's set
13
Calculate Mode
ventilation mode and set value in each mode but also value
to be proper for communication.
14
Save Vent Setting
15
Change Vent Window
16
Tx Pneu B/D
17
Rx Pneu B/D
18
Save Pneu Setting
Store set value and calculated value in each mode.
Change window corresponding to user's ventilation mode
and set value.
Transmit set value and ventilation mode to pneumatic
block.
Receive information and instruction related to pneumatic
block from it.
Store the information and execute operation related to
pneumatic block.
33
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
19
Vent Start
20
Do Ventilation
21
Message Display
22
User Interrupt
Transmit ventilation mode executed by user to pneumatic
block and ready to display.
Display window and pneumatic information value in
operation.
Display all kinds of alarm and information message
occurred in operation.
Receive user's instruction in operation such as Power off,
Mode changing, Set value changing.
Transmit user's pause instruction to pneumatic block and
23
Vent Stop
display message related to pause instruction and stop doing
ventilation.
34
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(3) PNEUMATIC B/D
A. PNEUMATIC Board Picture
B. Block Diagram
PNEUMATIC MAIN B/ D
+5VS
DC- DC Convertor
+24V
+V_POWE
R
+5V
RS- 232C
19200,8,N,1
+3.3V
CPU
TMS320
LF2406
BATT
SEN
POWER
ON/ OFF
CONTROL
FAIL
CIRCUIT
LCD
POWER
Control
+24V
DIFFERENCE
CIRCUIT
INOP
SIGNAL
WATCH DOG
LATCH
CIRCUIT
LATCH
CIRCUIT
CONTROL
LOGIC
OVP
CIRCUIT
AD
CONVERTOR
PWM
CIRCUIT
DSC Board
COMMUNICATION
SV1
CONTROL
SV1
SV2
CONTROL
SV2
PV1
CONTROL
PV1
SV3
CONTROL
SP3
SV4
CONTROL
SP4
LS1
CONTROL
LS1
O2 Sensor
DP
1
+5V
DIFFERENCE
CIRCUIT
+3.3
V
DIFFERENCE
CIRCUIT
+3.3
V
INLET FLOW
DP
2
P1
+5V
+5V
DIFFERENCE
CIRCUIT
+3.3
V
INLET PRESSURE
DP
4
P2
+5V
DIFFERENCE
CIRCUIT
+3.3
V
35
DIFFERENCE
CIRCUIT
+3.3
V
INSPIRATION
PRESSURE
INSPIRATION FLOW
+5V
P4
+5V
DIFFERENCE
CIRCUIT
+3.3
V
EXPIRATION FLOW
EXPIRATION
PRESSURE
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
C . Function Description
1) TMS320LF2406A DSP CONTROLLER
High-Performance Static CMOS Technology
− 25-ns Instruction Cycle Time (40 MHz)
− 40-MIPS Performance
− Low-Power 3.3-V Design
On-Chip Memory
Boot ROM (LF240xA Devices)
Up to Two Event-Manager (EV) Modules (EVA and EVB),
Watchdog (WD) Timer Module
10-Bit Analog-to-Digital Converter (ADC)
Serial Communications Interface (SCI)
16-Bit Serial Peripheral Interface (SPI)
Up to 40 Individually Programmable, Multiplexed General-Purpose Input/Output(GPIO) Pins
Up to Five External Interrupts (Power Drive Protection, Reset, Two Maskable Interrupts)
Real-Time JTAG-Compliant Scan-Based Emulation, IEEE Standard 1149.1† (JTAG)
2) DRIVER B/D INTERFACE
From the DRIVER B/D it receives the Data which is necessary to a POWER supply and a
Sol Valve control.
From the CPU (TMS320LF2406A) it transmits the Data which controls Sol Valve with
DRIVER B/D.
3) SENSOR INTERFACE
Connect the Header Pin between the Sensor Board and Pneumatic Board
Is used in data transmission.
4) RS-232 INTERFACE
9pin D-sub (COM1)
Software upgrade. (Write240x. Ver 1.06)
36
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
The RS-232 port of the MV2000 is used the Debugging port. (Ventilator DSC Simulator Ver 1.0)
5) POWER ON/ OFF & KEY B/D INTERFACE
26Pin D-sub (CON13)
The Serial port of the MV2000 is used in Power supply and Data transmission
D . Pneumatic Software Description
1) Pneumatic Software Architecture
2) Pneumatic Software Architecture Description
NO.
PROCESS
DESCRIPTION
Store and process values sensed by each sensing part.
DP1 : Incoming flow flux value into tank
1
Sensor
DP2 : Inspiratory flow flux value
DP4 : Expiratory flow flux value
P1 : Pressure value in tank.
37
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
P2 : inspiratory pressure value
P4 : expiratory pressure value,
O2 Sensor : Oxygen Concentration.
Battery Sensing : remaining battery charge
2
A/D Converter
3
Filtering
Adjust received data from each sensor for fitting to the range
of calculation.
Extract original signal filtering noise from signal sensed by
sensors.
Calculate inspiratory and expiratory pneumatic component to
4
Calculation
and from patient through figures of flux, pressure and
concentration of flow.
Check exhausting of wanted pneumatic component and
5
Processing Result
monitor the status that equipment operates smoothly without
malfunction.
Control flux, pressure and blending ration of flow incoming
6
Result
into pneumatic tank corresponding to processed result and
display status message.
7
DSC Command
8
Module Command
9
COMM
Transmit messages such as Alarm, Status, Command
corresponding to result to DSC
Process the condition of blending and instruction based on
the weight and condition received from DSC.
Manage communication between DSC and PNEU B/D.
38
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
3) Pneumatic Software Algorithm Flow Chart
39
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
4) Pneumatic Software Algorithm Description
NO.
PROCESS
DESCRIPTION
1
Vent Initial
2
Initial OK
3
Vent Error
4
Vent Status Tx
5
Vent Mode Status Rx
6
Vent Start Comm.
7
Vent Mode Calculation
8
Vent Mode Start
9
Do Ventilation
Ventilate gas and control valves in accordance with set value.
10
Mode Change
Check change of set value by user.
11
Input Sensor Output
12
Pneu. Block Status Tx
13
Control Pneu. Block
14
Stop Vent.
Receive initial instruction and set value from DSC B/D after
Power ON.
Check Sensors and Valves that are on pneumatic block.
Store information related to malfunctions of sensors and
valves.
Transmit information of status of pneumatic block like
normal operation, and malfunction to DSC B/D.
Receive user's set value and pneumatic information from DSC
B/D.
Wait user's instruction of execution automatic and vent mode
from DSC B/D.
Calculate current mode set value after receiving start
command from DSC B/D.
Operate ventilator
Receive values related to pressure, flow flux, oxygen
concentration from sensor.
Transmit information of current status of pneumatic block to
DSC B/D.
Control gas blending ratio, pressure, flow flux, specific
characters comparing value from sensor with configured value.
Stop operation of pneumatic block receiving the command of
stop operation of ventilation.
40
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(4) DRIVER B/D
A. DSC Board Picture
B. Block Diagram
BOOST-UP
POWER
Sol Valve
CONTROLL POWER
+24V / 1A
SV1
DRIVER
CONTROLL POWER
SV3
SV2
+24V / 1A
INPUT
(+15V/4A)
+5V / 0.5A
SV4
STEP-DOWN
POWER
PV1 DRIVER
PV1
+5V / 1A
LS1 DRIVER
LS1
PNEUMATIC
BOARD CONNECTOR
41
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
C . Function Description
DRIVER B/ D is consisted of POWER Connection part, Sol Valve Connection part
(SV1, SV2, SV3, SV4, PV1, LS1), Pneumatic Connection part (POWER ON/ OFF &
KBD INTERFACE), DC/ DC Power GENERATOR part, DRIVER part.
Because POWER B/ D Connection part supplies DC voltage to DRIVER B/ D and
Inputed DC voltage becomes DC/ DC POWER GENERATOR part relationship input,
display DC voltage (+24V) that need in solenoid Valve control.
These voltage are used to Sol Valve control that is linked to Sol Valve connection
part. Driver part is inputed PWM signal that need PV1 and LS1 Valve control by
Pneumatic connection part (POWER ON/ OFF & KBD INTERFACE) and Flow does
control.
1) POWER B/D INTERFACE
Supplied DC +15V in Power Board
2) D/D POWER GENERATOR
Display +24V power who need in Sol Valve control.
3) PV1, LS1 DRIVER
Compare Reference Voltage with PWM Signal that is displayed from Pneumatic Board
and control PV1 valve and LS1 Valve.
4) POWER ON/ OFF & KEY B/D INTERFACE
Header pin(2*14)
Power supply and Data transmission
42
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(5) SENSOR B/D
A. DSC Board Picture
B. Block Diagram
Pressure
Sensor
Sensor OUT
+
-
Detection
+Vref
Sensor
B/D
Pneumatic
43
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
C . Function Description
SENSOR B/ D is consisted of comparator.
Input of comparator is Reference Voltage ((- ) input) and being Pressure SENSOR's output
voltage ((
＋) input) compare two inputs and detect Pressure. Each Sensor B/ D Sol Valve
according to design value because do Open, Close Pressure regulate.
[Reference]
• MV2000's OVER Pressure 3 steps design structure
①. Mechanical OVER Pressure
: Design structure that is considered by last method after biographical drive Fail generation.
②. Hardware OVER Pressure
: Design structure by comparison of immobile Hardware set point.
③. Software OVER Pressure :
-
User is OVER Pressure design structure that change is possible
-
Establish pressure automatically safety via maximum pressure in action state.
44
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(6) KEY B/D
A. KEY Board Picture
B. Block Diagram
DSC B/D
Speaker
Connector
DSC
INTERFACE
RED_LED
RED_LED
Connector
ENCODER
GREEN_LED
GREEN_LED
Connector
Push Button
C . Function Description
KEY Board is consisted of DSC Board connector part, Speaker connector part, LED conn
ection part.
DSC Board connector part does role that supply DC voltage (+5V) to KEY Board and role
that connect input Signal by DSC Board and Pneumatic Board in Push Button.
Because Speaker connection part and LED connector part are linked with Speaker and A
larm LED, if problem happens to product, Beep sound and Alarm Lamp happen.
45
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(7) POWER B/D(AC-DC)
A. POWER Board Picture
B. Block Diagram
POWER A/D
INPUT(AC)
ONPUT(DC)
TRANSFORMER
EMI/NOISE
FILTER
INPUT
RECTIFIER
BATTERY
CHAGER
O.S.C
CIRCUIT
SWITCHING
CIRCUIT
+15V
OUTPUT
CURRENT
LIMIT
BATT
+15V
HEATER
CIRCUIT
FEED BACK
CONTROLL
46
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
C . Function Description
The first and the second of Power Board are insulated by Transformer.
Also, EMI and Noise it is to do filtering EMI/ NOISE FILTER Part and there is Power
supply part, Battery Charge part to supply DC voltage to the second.
In case it is System Fail part who go Heater Curcuit part to run Heater beside him,
and produce System FAIL is Beep sound and power of product does not become
supply normally, Beep sound happens.
a. General Characteristic
This power supplying device is a converter with FLY BACK application which
receives AC100V~ AC240Vand supplies DC+15V necessary for MV2000. AC input is
FREE VOLTAGE which generates within the range of AC100V~ AC240V without
external manual control.
b. INPUT VOLTAGE AND FREQUENCY
MV2000 A/ D
Rated Output Voltage
Input Variation Rate
Frequency Range
Remarks
100V~ 240V
45~ 66Hz
FREE VOLTAGE
AC 110V/ 220V
single Phase
MV2000 AC- DC CONVERTOR
Rated Output Voltage
Input Variation Rate
Frequency Range
Remarks
DC +15V
DC +15V (± 5%)
-
-
c. Output Characteristics
MV2000 A/ D
NO.
Description
1
Rated Output Voltage
No- Load Voltage
Range(%)
Load Rated Current
Load Voltage Range
RIPPLE & NOISE
(Rated Input & Rated
Current)
Over Current
Protection
(In Case of Short
2
3
4
5
6
+15V
MAIN
+15V
+13.5V
CHARGER
+12.5V
± 5%
± 1%
2A
± 5%
1A
+10V over
200mV P- P
-
AC100V- 240V,
Above 6.3A
Above 1.5A
Below 5V
47
Remarks
Time consumed for
Battery recharge
6H± 30m
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
Output)
7
Output Power
Battery Voltage above
+12.5V
30W
12.5W
* Input Voltage based on AC220V
d. input Voltage Variation Rate
In Case the rated current is loaded, even if the input voltage fluctuates as b, # 4 on C is
satisfied the range of voltage.
e. Load Variation Rate
AC110V or 220V under rated input condition to satisfy the range of output voltage in
case of # 3, 4 on C under loaded current.
f. Efficiency (AC220 Input)
Efficiency exceeds 65% for the measurement under MV2000 A/ D rated input and rated
loaded current.
g. Leakage Current
In case of rated input condition on MV2000 A/ D, the leakage current between input LINE
and F.G is below 200uA under AC 240V
h. Inrush Current
In Case of rated input condition on MV2000 A/ D, the inrush current is below 30A PEAK
when the power is switched ON.
48
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
7. Assembly & Disassembly
1) Product Disassembly
No
Picture
Description
There is a LOCKER on the
left side view. Please pull it
out
backward
original
from
position
its
to
separate main body from
the CART.
CART
1
Please lift up main body
from the cart with care.
And
put it
something
on the flat
like
table
to
disassemble inside parts
from the main body.
2
49
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
For separation of internal
body
from
outer
case,
please loose four screws
on the upper rear cover.
3
And loose 4 screws on the
lower rear cover that is for
BATTERY,
BATTERY too.
4
Pull out internal body from
outer case gripping those.
5
50
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
This is the photo shows
the status of separation
with each other.
6
To remove the POWER BOARD
Please loose 3 screws
on the plate covering it.
7
After removing screws,
open the plate.
8
51
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
O2 SENSOR
SENSOR Exchanging 1.
Disconnect the harness
for O2 SENSOR before
exchanging it.
9
O2 SENSOR Exchanging 2.
After
disconnecting
the
harness from O2 SENSOR,
please turn the O2 SENSOR
CCW.
10
O2 SENSOR Exchanging 3
Lift it up after turning
like
left
photo.
And
replace it with new one.
When you try to exchange
11
only O2 SENSOR, you need
to
follow
9,
10,
11
instructions
described
above
the
opening
door
showed in the figure in
chap.3-4 in this manual.
52
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
To
separate
the
rear
cover from the internal
body,
please
turn
trap
CCW.
* CAUTION *
12
Please
breaking
be
careful
the
not
plastic
case.
Like left photo, please
loose the screw for TANK
GAS releasing with hand.
13
This is the photo showing
that the screw is loosed.
14
53
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
After loosing the screw,
Please
loose
7
screws
fastening the rear cover.
15
The position of 7 screws
is indicated in the left
photo.
16
This
is
the
photo
separating the rear cover
from
the
internal
body
after removing screws.
17
54
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
This
photo
shows
the
inside of internal body.
18
Please
loose
2
screws
indicated on the top of
POWER SWITCH PANEL.
19
After
removing
screws,
please lift up the panel
and
disconnect
harness
all
connected
of
into
POWER BOARD.
20
55
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
This
photo
shows
the
status of separated POWER
SWITCH
PANEL
PANEL
from
internal body.
21
These two photos show the
process removing the hose
inserted onto NEBULIZER
PORT.
22
These two photos show the
process
removing
the
hoses inserted onto PEEP
MASS.
23
56
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
This photo shows the PEE
PEEP
VALVE LS1 after removing
hoses inserted onto PEEP
MASS
to
disconnect
the
harness connected to it.
24
These two photos show the
process disconnecting the
harness from PEEP VALVE
LS1.
25
To pull out GAS TANK from
internal
body,
please
loose 4 screws are on the
each side.
26
57
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
After removing 8 screws,
please pull out the GAS
TANK from internal body
gripping like photo.
27
This
photo
shows
the
separated status of GAS
TANK from internal body.
28
58
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
DRIVER Board Separation
Description
* DRIVER B/ D’ s Separation
STEP 1
Picture is that separate in
ternal block.
I f s e p a r a t e D RI VER B
oard, must remove SCRE
1
W.
* DRIVER B/ D’ s Separation
STEP 2
Separate DRIVER Board
vertically.
2
59
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
SENSOR Board Separation
Description
* Remove SCREW of mar
ked part.
3
Separate SENSOR Board
vertically.
* Warning
4
Board must separate
certainly vertically.
SENSOR B/ D is detached
like picture.
5
60
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
PNEUMATIC Board Separation
Description
Remove SCREW and SUP
PORT of marked part.
SCREW : 2EA
(SCREW of upper part)
SUPPORT : 4EA
(DRIVER Board fixing)
6
Board is detac hed like pi
cture
* Warning
PNEUMATIC B/ D' s separa
tion is possible though S
ENSOR B/ D is detached.
7
61
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
Solenoid Valve Separation
Description
* Marked Sol Valve's name
SV4
SV3
on each part of picture.
* Reference
When assemble, must co
PV1
nnect jumper certainly.
8
Connect to relevant Conn
ection Part of DRIVER
SV2
SV1
Board using jumper that
is offered in MEKICS.
* Each Valve' s separation
is as following.
Remove nut using spanner
9
. Separate Valve Body like
picture.
If separate fixed Valve, m
ust remove Screw.
* Warning
1
2
Remove two Screws of di
agonal line direction.
direction. Befo
10
re remove remainder two
screws, must remove all r
emaining AIR to TANK. TA
2
1
NK's AIR observes becaus
e is high tension.
62
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
* SV4 Valve
If separate fixed Valve,
must remove Screw.
11
Left side picture is that
remove Valve.
Second picture is SV4.
12
63
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
2) Monitor's separation
No
Monitor Separation
Description
Monitor Disassembly
Please
loose
4
screws fastened the
MONITOR
onto
PRODUCT.
1
* CAUTION
When separating the
MONITOR, please grip
it
using
one
hand
not to drop it down
after
removing
the
screws.
This
photos
shows
the separated status
of
MONITOR
from
PRODUCT.
2
64
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
After separating the
MONITOR, please
loose 4 screws
indicated in the
photo to remove the
rear cover.
3
* CAUTION
Please be careful
not to make damage
on the surface of
TFT-LCD.
After
removing
screws, lift up the
rear cover.
Upper side shows the
SPEAKER.
Lower
스피커
is
composed of several
parts.
ⓐINVERTER for LCD
ⓒ
4
side
ⓑ DSC BOARD
ⓒ TFTTFT-LCD PANEL
ⓓ
ⓓ LED
ⓑ
ⓐ
ⓔ KEY BOARD
ⓔ
65
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
MONITOR MAIN FRAME Separation
Description
To
separate
cover,
rear
please
disconnect the wire
connected
onto
KEY
BOARD.
5
Next, disconnect two
wires connected onto
KEY BOARD that comes
from
LEDs
which
indicate the status
of operation.
6
LED7(Green)
NORMAL.
indicates
and
LED6(Red)
indicate ALARM.
These
two
photos
show the process to
disconnect
wires
step by step.
7
66
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
And then, disconnect
two
wires
for
inverter connection.
Left
8
photos
show
disconnection
of
upper wire.
Disconnection
of
lower
is
wire
identical with upper
wire.
The
onto
wire
connected
DSC BOARD is
need
to
be
disconnected
from
DSC BOARD.
9
These
two
photos
show the process to
disconnect the flat
cable connected onto
DSC BOARD.
10
* CAUTION
The
connector
of
flat cable is very
weak so that need to
be careful when it
be opened.
67
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
After
removing
all
harness into inside
board, then loose 4
screws fastened the
MAIN FRAME.
The
11
position
indicated
in
is
the
photo.
The cable connected
between
DSC
BOARD
and KEY BOARD need
to be disconnected.
So, please lift up
MAIN
the
12
FRAME
gripping like photo
and
disconnect
the
cable.
These
two
photos
show the process to
disconnect
the
cable.
13
68
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
This photo shows the
separated status of
MAIN FRMAE from the
outer case.
14
INVERTER BOARD Separation
Description
The INVERTER for LCD
can
be
separated
from the MAIN FRAME
loosing
2
screws
like left photos.
15
The
INVERTER
separated
is
displayed.
16
69
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
DSC Board Separation
Description
The DSC BOARD need
to be separated from
MAIN
the
FRAME
loosing 5 screws are
indicated
in
the
photo.
* TIP
17
DSC
BOARD
separated
can
from
be
the
status of MAIN FRAME
attached
on
outer
case of MONITOR.
This photo shows the
separated status of
DSC BOARD and FRAME.
18
70
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
TFT-LCD PANEL Separation
Description
P l e a s e , l o o se 4
screws
TFTTFT-LCD
to
separate
from
MAIN
FRAME.
19
This photo shows the
separated status of
TFTTFT-LCD
PANEL
and
FRAME.
20
71
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
KEY BOARD Separation
Description
KEY
BOARD
fastened
screws
is
by
10
onto
rear
side of outer case
of MONITOR and its
knob
21
is
connected
also
in
front
of KEY PAD part.
First, please remove
the
knob
from
the
encoder.
And then, loose 10
screws are indicated
in the photo on the
KEY
BOARD
in
rear
side of outer case.
22
72
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
ALARM and NORMAL_LED Separation
Description
To
which
separate
indicate
LEDs
the
status of operation,
please, loose 2 hex
head screws.
23
This photo shows the
separated status of
LEDs and FRAME.
24
73
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
8. Voltage Control method
(1) Each Board's Voltage control method
1) Digital Board’s Voltage Control
Sol valve Connector Port
SV1 SV2
SV3
SV4
PV1
Pneumatic
Connector Port
PV1 CONTROL
VR1
TP3
POWER
Connector Port
C34
LS1 CONTROL
VR2
TP1
TP2
DRIVER B/D
Picture
LS1
Figure 1. DRIVER B/D
① Each B/ D(POWER, DRIVER, Pneumatic, DSC, Sensor) was linked uprightly.
② Supply AC power (220V/ 60Hz) to POWER B/ D.
③ Voltage (error range : ± 2V) of +15V inputed to DRIVER Board. (TEST Point : TP1)
④ Voltage of +24V are displayed to TEST POINT(TP2). (error range:±1V)
⑤ Voltage of +5V are displayed to TEST POINT(TP3). (error range:±0.5V)
⑥ Voltage of +5V are displayed to C34. (error range:±0.5V)
This time, C34's measurement does in (
＋) terminal.
※ Measurement uses digital multi- meter(DMM) that recognize in MEK. With upside( ① ~
⑥), execute voltage control.
74
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
2). Sensor Board’s Voltage Control
DP4
RS232
(serial)
DRIVER Connector
P4
Sensor
Connection Port
DSC
Connector
Port
P2
TP15
TP14
DP2
Pneumatic B/D
Picture
O2_Sensor regulation
VR14
+3.3V regulation
VR15
Figure 2. Pneumatic B/D
B/D
① Pneumatic Board’ s TEST POINT(TP15) Voltage : +3.3V (error range:± 0.01V)
※ Voltage control does necessarily because influence in product performance.
② P1 Sensor's TEST POINT (TP4) Voltage : (+) 1.012V (error range:± 0.02V)
③ DP1 Sensor's TEST POINT (TP4) Voltage : (+) 1.650V (error range:± 0.02V)
④ P2 Sensor's TEST POINT (TP4) Voltage : (+) 1.178V (error range:± 0.02V)
⑤ DP2 Sensor's TEST POINT (TP4) Voltage : (+) 1.650V (error range:± 0.02V)
⑥ P4 Sensor's TEST POINT (TP4) Voltage : (+) 1.178V (error range:± 0.02V)
⑦ DP4 Sensor's TEST POINT (TP4) Voltage : (+) 1.650V (error range:± 0.02V)
※ Voltage of each sensor control according to ②~ ⑦.
3) O2 Sensor's voltage control
① Reference Voltage adjustment (VR15)
: Pneumatic Board’ s TEST POINT(TP15) Voltage : +3.3V (error range:± 0.01V)
※ regulate +3.3V and measure O2 Sensor's voltage.
② O2 Sensor Voltage adjustment (VR14)
: Pneumatic Board’ s TEST POINT (TP14) Voltage : (+) 1.01V
75
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(2) Product inspection method
- Complete voltage control. Do program download through Pneumatic Board's RS- 232 Port.
Must do inspection such as lower part. (Use Up- Load Cable that offer in MEK)
1) Sol Valve on/off TEST
Figure 3. DSC PROGRAM
① Execute after DSC PROGRAM establishment.
- DSC.EXE (Practice file)
② Connect communication JIG to COM1 port of computer
(Supply Air, and product power to do on)
③ Select COM1(
) in upside Port establishment part and
(
)
press on.
This time, if press PWR ON, Flow wave and Pressure Wave appear on left side screen.
76
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
④ First, execute
, and press
(Upside Setting becomes
.
, and practice after about 10 seconds )
⑤ Confirm that is marked as "0.0" to below Window.
⑥ Inspect Valve's(SV1, SV2, SV3, SV4) on/ off action. (After execute : ①~⑤)
Solenoid Valve “ON”: “1”, Solenoid Valve “OFF” : “0”
⑦ Each Valve(SV1, SV2, SV3, SV4) does on/ off TEST.
2) PV1 Adjustment
① Input PWM value to
ⓐ. This time, PWM value confirms input value by
Pneumatic
Software Version. (ex. Ver0.80의 PWM value : 3603 [It is 10L/ m] )
a
②
ⓑ To whether is displayed by 10L/ m confirm.
If there is error, control DRIVER Board's VR1(Volume Resistor) by 10L/ m.
b
③ Process of ①~② 3th repeatedly velocity of flow(L/m) confirm.
77
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
※ 10L/ m (
VER 1.1 November, 2008
＋ within 1) of inhalation of air velocity of flow is kept to become.
3) LS1 Adjustment
① LS1 adjustment executes after PV1 TEST completion.
② Input 10cmH2O value to ⓒ. This time, 10cmH2O value confirms input value by
Pneumatic Software Version. (ex. Ver0.80 의 PWM value : 1416 [ It is 10cmH2O] )
c
③
ⓓ To whether is displayed by 10cmH2O confirm.
If there is error, control DRIVER Board's VR2(Volume Resistor) by 10cmH2O.
d
④ Process of ②~③ 3th Exhaust velocity of flow (cmH2O) confirm.
78
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
9. TROUBLE SHOOTING
NO
BOARD
Trouble Description
Referred
PAGE
#1
DSC Board
LCD screen badness
80
Solenoid Valve’ s Operation Badness
82
Unable to measure VENT MODE
83
KEY Operation Badness
84
#2
#3
DRIVER
Board
Pneumatic
Board
#4
KEY Board
#5
POWER Board
Power Deficiency & Unable to turn on the device
79
85
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(1) LCD Screen Badness
LCD sc reen b ad ness
Go o d Co nnec tio n
b etween the Pneum atic
B/ D and DSC B/ D Cab le?
NO
Is Cab le c o nnec ted
c o rrec tly
YES
No rm al
Op erate
(DSC Cab le)
NO
YES
Is Cab le in g o o d
c o nd itio n?
NO
Rep lac e Cab le
No rm al
YES
NO
YES
Sep arate m o nito r b ac ksid e
Go o d Co nnec tio n
Between the Bo ard
Jum p er?
NO
Is Bo ard Jump er c o nnec ted
c o rrec tly.
(DSC B/ D, INVERTER B/ D,
LCD' s Jump er)
No rm al
YES
NO
YES
Is Jum p er in g o o d
c o nd itio n?
NO
Rep lac e Jum p er
(DSC B/ D, INVERTER B/ D,
LCD' s Jump er)
No rm al
YES
NO
YES
Go o d Co nnec tio n
b etween the DSC B/ D
KEY B/ D Jum p er?
NO
Is Bo ard Jump er c o nnec ted
c o rrec tly.
(DSC B/ D, KEY B/ D)
No rm al
YES
NO
YES
A
80
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
A
Is Jumper in good
condition?
NO
Replace Jumper
Normal
(DSC B/ D, KEY B/ D)
YES
Operate
NO
YES
A/S Request
81
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(2) Solenoid Valve’s Operation Badness
Solenoid Valve's
Operation badness
Separate product
backside
Good Connection
between the Power B/ D
and Driver B/ D Jumper?
NO
Is Jumper connected
correctly
(Power B/ D, DRIVER B/ D)
Normal
YES
Operate
NO
YES
Is Jumper in good
condition?
NO
Replace Jumper
(Power B/ D, Driver B/ D
Jumper)
Normal
YES
NO
YES
Good Connection
between the Driver B/ D
and solenoid vlave
Jumper?
NO
Is Jumper connected
correctly
(Driver B/ D, Solenoid
Valve)
YES
NO
YES
Is Jumper in good
condition?
Normal
NO
Replace Jumper
(Driver B/ D, Solenoid
Valve's Jumper)
Normal
YES
NO
YES
A/S Request
82
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(3) Unable to measure VENT MODE
Unable to measure
VENT MODE
Good Connection
between the Air
and O2 Cable?
NO
Is Air and O2 Cable
connected correctly
NO
Replace Cable
(AIR, O2 Cable)
Operate
Normal
YES
NO
YES
INS and EXP Hose
Connected correctly?
YES
NO
YES
Is Cable in good
condition?
Normal
NO
Is INS and EXP Hose
connected correctly
Normal
YES
NO
YES
Is Hose in good
condition?
NO
Replace Jumper
(INS, EXP's Hose)
Normal
YES
NO
YES
A/S Request
83
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(4) KEY Operation Badness
KEY Operation Badness
Good Connection
between the Pneumatic B/ D
and DSC B/ D Cable?
NO
Is Cable connected
correctly
(Pneumatic, DSC B/ D)
YES
Operate
NO
YES
Is Cable in good
condition?
Normal
NO
Replace Jumper
( Pneumatic, DSC B/ D
Cable)
Normal
YES
NO
YES
Separate product backside
Good Connection
between the DSC B/ D
and KEY B/ D
Jumper?
NO
Is Jumper connected
correctly
(DSC B/ D, KEY B/ D)
Normal
YES
NO
YES
Is Jumper in good
condition?
NO
Replace Jumper
(DSC B/ D, KEY B/ D)
Normal
YES
NO
YES
A/S Request
84
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
(5) Power Deficiency & Unable to turn on the device
Power Deficiency &
Unable to turn on the
device
Yes
No
Properly connect
POWER CORD
Check Power Cord
Connection
Normal
Operation
No
Yes
Yes
No
Replace Power
CORD
Is POWER CORD in
good condition
Normal
No
Yes
Is the Fuse in
good condition
in the Fuse box?
No
Yes
Replace
Fuse(250V/ 6.3A)
Normal
No
Yes
Disassemble the rear
cover of the device
Separate cover for
POWER MODULE
Is there a good
Connection
between Power Cord
and Power B/ D
No
Yes
Connect Power Cord
and Power B/ D
properly
Normal
No
Yes
A
85
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
A
Cable Connection
between DSC B/ D
and Power B/ D
No
Connection between
DSC B/ D and Power
B/ D
Yes
Normal
No
Yes
Proper Cable
Connection
among each board
Operation
No
Cable Connection
among Each B/ D
Yes
Normal
No
Yes
A/ S Request
86
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
10. Communications
VGA
5
10
15
Pin
Name
4
9
3
2
8
14
7
13
1
6
12
11
Direction
Description
①
RED
Red Video (75ohm, 0.7p-p)
②
GREEN
Green Video((75ohm, 0.7p-p)
③
BLUE
Blue Video(75ohm, 0.7p-p)
④
ID2
Not connected
⑤
GND
Ground
⑥
RGND
Red Ground
⑦
GGND
Green Ground
⑧
BGND
Blue Ground
⑨
KEY
Not connected
⑩
SGND
Sync Ground
⑪
ID0
Not connected
⑫
ID1 or SDA
Not connected
⑬
HSYNC or CSYNC
⑭
VSYNC
Vertical Sync
⑮
ID3 or SCL
Not connected
Horizontal Sync
(or Composite Sync)
Figure 99-1. Ventilator System VGA serial port pinout
87
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
11. Part List
Part No.
Part Name
Description
140600020
Bacteria Filter Reusable 22OD-22ID
61-20-200
140601280
Bacteria Filter Spare Membrance
61-21-100-1
140601690
Breathing circuit set , Adult
140601700
Breathing circuit set ,Infant
140601410
Cable Monitor
140601660 Catheter Mount Tubings w 90
˚ swivel 13cm
Display Panel Cable
65-60-130
142401530
CBL H MV200-13
142401610
CBL H MV200-21
141200020
DIS TFT LCD 10.4
PD104VT1
141400030
High Pressure Hose, AIR
3.5m
141400020
High Pressure Hose , O2
3.5m
140601750
HME Spare Membrance
61-21-300-1
140600170
Humidi Chamber Adult MR370
140600880
Humidi Chamber Infant. MR340
13510702A
MOD MV200 DSC
REV.1A
13510901A
MOD MV200 FRONT
REV.1A
13511801A
MOD MV200 DP1
REV.1A
13511811A
MOD MV200 DP2
REV.1A
13511831A
MOD MV200 DP4
REV.1A
13511841A
MOD MV200 P1
REV.1A
13511851A
MOD MV200 P2
REV.1A
13511871A
MOD MV200 P4
REV.1A
140600431
MR810 Humidifier w/ 2 Chamber
140601340
MR850 Humidifier w/ 2 Chamber
140404040
MV2000 Cart
140601500
Nebulizer Kit
3561
141700380
OP Manual MV2000
MV2000
140100810
PEEP Valve(LS1)
ACTUATOR
140601630
PEEP Valve Pad
V20MPAD351A
88
Remark
Adult/Pediatric
(2 Chambers each) - MR810
Adult/Pediatric
(2 Chambers each) - MR850
MEK
Medical Equipment of KOREA
MV2000
SERVICE MANUAL
VER 1.1 November, 2008
140600530
Power Cable
141200020
PW INVERTER
140601680
Reusable HME 22OD-22ID
140500100
Sensor Oxygen
IT DR M-04
140601650
Silicone Tubings ,adults 40cm
66-22-040tr
140601640
SiliconeTubings , adults 80cm
66-22-080tr
140601720
Silicone Tubings, Infant 45cm
66-11-045
140601710
Silicone Tubings , Infant 85cm
66-10-085
141000190
Solenoid Valve SV3
601100-A01 Burkert
141000200
Solenoid Valve SV1, SV2
6013SB-A02 Burkert
141000210
Solenoid Valve PV1
602200-A04 Burkert(2833)
141000410
Solenoid valve SV4
DSD-08AS DKC
140600950
Straight Conn.10OD-15OD
60-30-005
140600220
Straight Conn 22OD-22OD
60-12-110
140601510
Support Arm
140601740
Test Lung 500mL
6012
140601610
Test Lung 1000mL
6011
140600820
Water Trap, Adult
66-40-500
140601730
Water Trap, 10mmOD,Infant
66-40-510
140601670
Y-conn.straght15ID/22OD-22OD
60-10-100
140600210
90°Conn.22OD-22ID
60-12-000
140600940
90
AT-0151LS
˚Y-Conn. Infant, swivelling STD
89
60-20-100
MEK
Medical Equipment of KOREA