Canon PC920 Service Manual page 368

Service manual
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POWER_OFF*
HEAT_ERR*
COMP_CLR
Q160
COPYRIGHT © 1999 CANON INC.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
D184
Q158
+5V
C176
M_TH
3
8
+
1
2
4
+5V
Q108
+5V
R186
Q151
R214
C160
R187
C161
+5V
5
8
+
7
6
4
Q108
2
3
Q146
1
R188
C142
D185
+5V
1
3
2
Q147
R212
HEAT_OFF
HEAT_PWM
DC Controller Circuit Diagram (7/8)
+5V
+5V
R189
C143
6
8
7
5
+
4
Q107
+5V
R193
2
1
R191
D128
R192
2
3
Q148
1
R190
2
1
D132
2
1
D133
+5V
R196
RLOFF*
HEAT_TRG
A-13

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