SPEED AND PHASE CONTROL
DRIVE TURNTABLE DRIVE
PITCH CONTROL
PITCH CONTROL ON /OFF SELECT
IC
AN6680
IC AN6675
IC
AN6682
MN
4011B
POWER DRIVE COIL
CHECK POSITION COILS
FOR RESISTANCE FROM
BACK OF BOARD 3 UNITS
ALL THE SAME
HELP SHEET BROUGHT TO YOU BY
www.deckdoctor.com.au
www.djsdeckdoctor.com
VOLTAGE REGULATOR
2SD637
POWER DRIVE COIL
PITCH CONTROL IC
An6682
ERRATIC PITCH CHECK HERE
BUT NO DIPPING OF STROBE LAMP
BUT PITCH FADER FIRST
PITCH CONTROL ADJUSTMENT
1ST
Q203
FG AMP
2SC1328
PITCH FADER
Set the pitch control to zero pull the connector
cn102 of the drive pcb connect the multi tester to
terminals to 5 and 6 on the pitch fader pcb Wires
Brown and Red ADJUST Vr302 for a value
2.7 K/ OHOM + - 0.1 OF RESISTANCE VALUE
UNPLUG PITCH CONTROL PCB FROM MAIN
BOARD BEFORE ADJUST PITCH ON PCB BEFORE
SLIDE FADER
PITCH TEST POINTS
Tp27 + GROUND ON main PCB
FREQUENCY COUNTER NEEDED
ZENER DIODE
MA 1051M
5.1 VOLT ZENER
USUALLY DIPPING DRIVE
AND STROBE LIGHT
SPEED CHECK THIS FOR 5VOLT
POWER ON / PITCH set zero CENTER POSITION
SPEED 33 ADJUSTMENT Vr301
SET TO 262.08KHZ +-0.05KHZ
PITCH ADJUSTMENT
BRAKE ADJUSTMENT
PITCH CONTROL ON AND OFF IC
IF PITCH FADER DON'T WORK AFTER
CHANGE REPLACE THIS IC NORMALLY
WHEN DRINK HAS GONE DOWN FADER
AND KEEP THE DECK RUNNING THIS IC SUFFERS
RECTIFIER
SVDIRBA20F
NO POWER
LED DRIVER
2SD1265
if DIM LIGHT ON STROBE
CHECK THIS
An6680
CONTROL CHIP
WHEN PLATTER GOES
BACK AND FORTH
PROTECTION IC’S
2 - 2SD637
IF NO POWER
CHECK THESE are NORMAL
TRANSISTOR NPN 2 UNITS
MAIN SOURCE OF NO POWER
Q2 Q3
X210 CRYSTAL
4.193MHZ OSCILLATOR
IC AN6675
DRIVE
WHEN PLATTER GOES SUPER FAST
USUALLY THIS IS THE PROBLEM
VOLTAGE REGULATOR
Q201 2SC1846
NO POWER/STROBE
BROUGHT TO YOU BY www.deckdoctor.com.au
HOPE IT HELPS YOU OUT FOR MORE INFO GO TO MY WEB SITE
ALL WAYS CHECK TRANSFORMER FOR 20VOLT AND MICRO SWITCH ON POWER KNOB
ALL WAYS CHECK FROM MAINS CABLE IN AND ON
NOTE THIS A RECENT BOARD IF YOUR CHECKING OUT OLD TURNTABLE GO TO SITE