Canon PC980 Service Manual - Page 99
Image Formation System
UPC - 030275182323
View all Canon PC980 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 99 highlights
Main transformer T101 CHAPTER 4 IMAGE FORMATION SYSTEM Voltage separation circuit T508 High-voltage transformer for primary charging Primary charging roller Photosensitive drum Amplifier DC bias control signal PDC_PWM DC voltage monitor signal PDC_S AC component current monitor signal PAC_S AC bias output signal PAC_OUT -5 PR_DC_ON J103 J203 -4 Microprocessor (Q900) Composite power supply PCB Serial communication Microprocessor (Q101) Figure 4-103 DC controller PCB COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-5
CHAPTER 4 IMAGE FORMATION SYSTEM
COPYRIGHT
©
1999
CANON INC.
CANON
PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
4-5
Figure 4-103
Main
transformer
T101
PR_DC_ON
J103
-4
J203
-5
PDC_PWM
DC bias control signal
PDC_S
DC voltage monitor signal
PAC_S
AC component current monitor signal
PAC_OUT
AC bias output signal
Amplifier
Voltage
separation
circuit
Photosensitive
drum
Primary
charging
roller
T508
Microprocessor (Q900)
Microprocessor (Q101)
DC controller PCB
Composite power supply PCB
Serial communication
High-voltage
transformer
for primary
charging