Canon PC980 Service Manual - Page 183
II. POWER SUPPLY SYSTEM, Outline of the Power Supply System
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Page 183 highlights
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS II. POWER SUPPLY SYSTEM A. Outline of the Power Supply System Door switch DS1 Power plug Noise filter circuit Relay RL601 FU102 Main transformer T101 Composite power supply circuit Transformer T600 Auxiliary power supply circuit +5V Microprocessor (Q900) DC power supply circuit Fixing heater control circuit Scanning lamp control circuit Highvoltage power supply circuit +5V Control panel +24VR AE sensor To ADF +5V Sensor +5V +24VU +24VR DC +24VU controller PCB +24VU Solenoid Scanner/lens drive motor (M2) +24VU Scanner cooling fan +24VU Blanking lamp +24VU Main motor/ main motor M1 driver PCB Fixing heater Scanning lamp Primary charging roller Developing roller Transfer roller Static eliminator Figure 7-201 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7-3
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