Canon PC400 Service Manual - Page 74
F, Control panel PCB
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CHPTER 4 IMAGE FORMATION SYSTEM AE sensor PD602 Forward Scanning lamp Lens array J621 -2 J621 | -1 { Photosensitive drum Developing cylinder 4V (approx.) VR602 VR603 | { J601 J202 -4 -19 5V Amplifier circuit DC bias control circuit DCBPWM AE signal Microprocessor Control panel PCB DC controller/DC power supply PCB Figure 4-103F 4-16 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
COPYRIGHT © 1998 CANON INC.
CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
4-16
CHPTER 4 IMAGE FORMATION SYSTEM
Figure 4-103F
5V
{
|
Photosensitive drum
Developing
cylinder
Microprocessor
Amplifier circuit
Scanning lamp
Lens array
AE sensor
PD602
VR603
4V (approx.)
VR602
Control panel PCB
AE signal
J601
-4
J202
-19
DCBPWM
DC bias
control
circuit
DC controller/DC power supply PCB
Forward
{
|
J621
-1
J621
-2