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An6680CONTROL CHIPWHEN PLATTER GOESBACK AND FORTH
LED DRIVER2SD1265 if DIM LIGHT ON STROBECHECK THIS
VOLTAGE REGULATOR2SD637POWER DRIVE COIL
POWER DRIVE COILCHECK POSITION COILSFOR RESISTANCE FROMBACK OF BOARD 3 UNITSALL THE SAME
ZENER DIODEMA 1051M5.1 VOLT ZENERUSUALLY DIPPING DRIVEAND STROBE LIGHTSPEED CHECK THIS FOR 5VOLT
Q203FG AMP2SC1328
PITCH FADERSet the pitch control to zero pull the connectorcn102 of the drive pcb connect the multi tester toterminals to 5 and 6 on the pitch fader pcb WiresBrown and Red ADJUST Vr302 for a value
2.7 K/ OHOM + - 0.1 OF RESISTANCE VALUEUNPLUG PITCH CONTROL PCB FROM MAIN BOARD BEFORE ADJUST PITCH ON PCB BEFORESLIDE FADER
X210 CRYSTAL4.193MHZ OSCILLATOR
VOLTAGE REGULATORQ201 2SC1846NO POWER/STROBE
BRAKE ADJUSTMENT
PITCH ADJUSTMENT
PITCH TEST POINTSTp27 + GROUND ON main PCB FREQUENCY COUNTER NEEDED
POWER ON / PITCH set zero CENTER POSITIONSPEED 33 ADJUSTMENT Vr301SET TO 262.08KHZ +-0.05KHZ
PITCH CONTROL ICAn6682
ERRATIC PITCH CHECK HEREBUT NO DIPPING OF STROBE LAMP
BUT PITCH FADER FIRST
PITCH CONTROL ON AND OFF ICIF PITCH FADER DON'T WORK AFTERCHANGE REPLACE THIS IC NORMALLYWHEN DRINK HAS GONE DOWN FADERAND KEEP THE DECK RUNNING THIS IC SUFFERS
IC AN6675 DRIVEWHEN PLATTER GOES SUPER FASTUSUALLY THIS IS THE PROBLEM
RECTIFIERSVDIRBA20F NO POWER
PROTECTION IC’S 2 - 2SD637 IF NO POWERCHECK THESE are NORMALTRANSISTOR NPN 2 UNITSMAIN SOURCE OF NO POWERQ2 Q3
1ST
PITCH CONTROL ADJUSTMENT
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 KNOBALL WAYS CHECK FROM MAINS CABLE IN AND ON
NOTE THIS A RECENT BOARD IF YOUR CHECKING OUT OLD TURNTABLE GO TO SITE
HELP SHEET BROUGHT TO YOU BYwww.deckdoctor.com.auwww.djsdeckdoctor.com
SPEED AND PHASE CONTROL IC AN6680DRIVE TURNTABLE DRIVE IC AN6675PITCH CONTROL IC AN6682PITCH CONTROL ON /OFF SELECT MN 4011B