Canon PC980 Service Manual - Page 366
DC Controller Circuit Diagram 5/8, ZER_CRS_LEVEL
UPC - 030275182323
View all Canon PC980 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 366 highlights
E0_BUCK Q126 2 3 1 +24VU 1 3 2 Q125 JP101 R145 21 D118 R140 C123 R139 1 +2 JP102 E0_DT DC Controller Circuit Diagram (5/8) 13 +5V R278 VR104 2 RGAD_VR R294 13 +5V R279 2 VR105 BL_VR R293 +5V 13 VR106 2 R292 +5V LS_VR 1 CP23 1 CPGND1 13 2 VR107 OP_VR R382 ZER_CRS R150 D183 C181 R149 R148 +5V 23+ 8 1 4 Q107 R271 ZER_CRS_LEVEL R154 C126 Q153 1 IN B VDD 5 2 IN A 3 VSS OUT X 4 +5V C167 R275 C183 +5V R158 ZER_CRS_EDGE 2 3 Q131 1 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 SW101 3 (AB/inch type only) 2 1 +5V R144 D_L_2 D_L_1 R143 +5V A-11
A-11
COPYRIGHT
©
1999
CANON INC.
CANON
PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
DC Controller Circuit Diagram (5/8)
1
2
R145
+
Q131
3
2
1
R158
R149
R140
R139
E0_DT
R148
Q107
+5V
-
+
2
3
1
2
1
5
3
4
VSS
IN A
IN B
VDD
OUT X
8
4
R275
ZER_CRS_EDGE
+5V
R279
R293
VR105
2
BL_VR
3
1
+5V
R278
R294
VR104
2
RGAD_VR
3
1
+5V
R382
VR107
2
OP_VR
3
1
+5V
R292
VR106
2
LS_VR
3
1
+5V
R144
+5V
+5V
C183
C181
C126
C167
+5V
Q153
ZER_CRS_LEVEL
D183
R150
R154
R271
ZER_CRS
SW101
(AB/inch type only)
R143
4
1
CP23
CPGND1
1
D_L_2
D_L_1
3
2
1
Q126
JP101
JP102
3
E0_BUCK
2
Q125
3
1
+24VU
D118
2
1
1
2
C123