Pcbs - Canon PC920 Service Manual

CHAPTER 11 TROUBLESHOOTING
D.

PCBs

Ref.
[1] Noise filter PCB
[2] DC controller PCB
[3] Composite power supply PCB
[4] High-voltage contact PCB
[5] Control panel PCB
[6] Sensor PCB
[7] AE sensor PCB
[8] Blanking PCB (front)
[9] Blanking PCB (rear)
11-82
[3]
[1]
Figure 11-604
Name
COPYRIGHT © 1999 CANON INC.
[9]
[8]
[4]
[2]
[7]
Removes noise from the power supply.
Controls sequence of operations.
Supplies DC power, generates high voltage, and
controls the scanning lamp.
Makes an electrical connection between the machine
top and bottom.
Provides copying insurrections/indications.
Detects paper in front of the registration roller.
Detects the density of originals.
Used for blanking exposure.
Used for blanking exposure.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
[5]
[6]
Description