User's Manual

A-24 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Composite Power Supply Circuit Diagram [A507] (6/8)
JP301
C346 C345
+5V
R351 R356
Q321
D325
C344
C343 C321 C380 C382
C381C379C322C342
<A508>
T_REV_R
T_FW_S
HV_LIMIT
<A508>
<A508>
<A508>
T_FW_DRV
T_FEEDBACK
T_FW_ON
<A508>
CLK32K
<A508>
<A508>
R393
R392
R317
R390
+24VR
C377
R361 R327
T302
J210
Transfer output
5
6
2
7
7
1
D306
+24VR
R328
R338
R329 R330 R337
R332
ZD303
R326
C317
Q311
Q325
Q310
C318
D308
R318
C359
VR301
R336
Q308
C312
D307
T_REV_ON*
T_REV
R352 R353 R354
R388
D328
D323
D324 D322 D340
D341
D342 D343 D344 D339
C329
R355
HV_H
<A503>
HV_L
<A503>
D326
T101
+
11
12