Canon PC740 Service Manual - Page 178
P4<1>, P7<4>, Copyright, Canon, Rev.o, Aug.1994, Printed, Japan, Japan
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DC controller Circuit Diagram (6/8) P4 p4 R162 P4 Al PA R166 „.. P5 P7 P7 P7 P7 p7 P7 P7 P7 0145 r z t. 0144 0143 0142 . +24U I NSI P1151 DT RGSLOo MFSLD P2 P2 P2 P2 PA 0140 STH M_TH +5V ST6V CPYm P2 817 R17 R2 8179 MAIN TH SUB TH DATA a2B AEDS VR LS VR RGAD VA BL VR P6 P6< > P6 P8 6 P6 0134 g 0136 0135 0138 1 0139 1 77 CPS Bal PRDCON VACON FL_PRHT. 0137 +5V R164 +5V 0132 R160 0133 3 8162 R183 R172 „ 8171 R163 +5V 0 10 18 V' 18 .7 CU AI 0.1 II II II CI a70 R169 R167 ti F . Fi il 47 cc acc4cl CPS j_ *.0. HEAT_ERR8 LHP A - 10 COPYRIGHT @ 1994 CANON INC. CANON PC720r/4017501770 REV.O AUG.1994 PRINTED IN JAPAN ompRimt AU JAPAN)
DC
controller
Circuit
Diagram
(6/8)
P4<0>
p4<1>
R162
P4<2>
Al
+24U
0145
I
NSI
rz
t.
0144
0143
P1151
DT
RGSLOo
0142
PA<7>
R166
„..
.
0140
P5
<
0
>
P7<0>
P7<1>
P7<2>
P7<3>
p7<4>
P7<5>
P7<6>
P7<7>
MFSLD
ST6V
CPYm
STH
M_TH
+5V
MAIN
TH
SUB
TH
817
R17
R2
DATA
a2B
AEDS
VR
LS
VR
RGAD
VA
BL
VR
8179
P2<0>
P2<1>
P2<2>
P2<3>
PA<2>
0137
0132
P2<5>
+5V
Bal
0134
g
CPS
0136
PRDCON
0135
0138
1
VACON
0139
1
FL_PRHT.
+5V
77
R164
R160
0133
3
R163
+5V
P6<1>
0
18
CU
II
8162
CPS
j_
.
*0.
10
.7
AI
II
18
V'
0.1
II
CI
P6<
>
R183
P6<3>
R172
HEAT_ERR8
P8<1>
„
8171
LHP
<>
a70
6<5>
R169
P6<6>
R167
ti
F
.
Fi
il
4
7
al
c4
cc
cc
A
-
10
COPYRIGHT
@
1994
CANON
INC.
CANON
PC720r/4017501770
REV.O
AUG.1994
PRINTED
IN
JAPAN
ompRimt
AU
JAPAN)