Canon PC921 Service Manual - Page 46
Outputs from the DC Control PCB 2/2,
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CHAPTER 2 BASIC OPERATION 4. Outputs from the DC Control PCB (2/2) Pickup clutch solenoid Registration clutch solenoid Lens solenoid Multifeeder pickup solenoid (Multifeeder type only) Cassette pickup solenoid Scanner cooling fan SL1 SL2 SL3 SL4 SL5 FM1 +24V J53 J51 J109-4 -3 PUSLD* +24V J54 J109-6 -5 RGSLD* +24V J52 J109-2 -1 LNSLD* +24V J55 J51 J109-8 -7 MFSLD* +24V J58 J132-2 -1 CPUSD* +24V J130-1 -2 FM1D* DC controller PCB When '0', the pickup clutch solenoid turns on. When '0', the registration clutch solenoid turns on. When '0', the lens solenoid turns on. When '0', the multifeeder pickup solenoid turns on. When '0', the cassette pickup solenoid turns on. When '0', the scanner cooling fan turns on. Side blanking lamp (rear) J106-1 SB_LP* When '0', the blanking lamp turns on. Side blanking lamp (front) +24V -2 Figure 2-108 2-10 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)