Canon PC980 Service Manual - Page 374
F. Composite Power Supply Circuit Diagram
UPC - 030275182323
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F. COMPOSITE POWER SUPPLY CIRCUIT DIAGRAM Composite Power Supply Circuit Diagram [A502] (1/8) J201 1 AC_H AC_INPUT AC_N 2 RL601 D603 R606 +5V Q607 R607 R623 T600 14 23 C601 R601 D602 D601 + + C603 VIN_1SR139 Q605 C602 R600 D604 D606 C613 Q614 2 3 IN OUT GND +5V + C609 R621 1 Q615 R616 ZER_CRS R620 5V_ON* D605 Q616 +5V Q617 R622 RLOFF* FIX_HT_H 2 J207 1 FIX_HT_N R610 R612 R613 D620 D810 R801 + C818 AC_MONITOR AC1 +5V +5V HEAT_TRG R609 Q620 R611 C620 Q621 R614 R615 Q611 R603 R602 C605 2 Q608 31 C604 SQ600 L600 AC_H_AF AC_N_AF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) A-19
A-19
COPYRIGHT
©
1999
CANON INC.
CANON
PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
F.
COMPOSITE POWER SUPPLY CIRCUIT DIAGRAM
Composite Power Supply Circuit Diagram [A502] (1/8)
AC_INPUT
D603
R606
D606
C613
Q608
R602
C609
Q616
Q617
Q621
C604
Q605
VIN_1SR139
C818
C603
R601
R600
Q615
R616
R801
R609
C620
R613
R610
R612
R611
R615
R614
D620
D810
R620
D605
<A508>
<A504>
5V_ON*
ZER_CRS
AC_MONITOR
HEAT_TRG
<A508>
<A508>
<A508>
Q620
AC1
<A509>
C601
+5V
+5V
+5V
+5V
+5V
Q607
R607
D604
C605
L600
SQ600
R622
R603
Q611
<A503>
<A503>
J207
FIX_HT_H
AC_H_AF
AC_N_AF
<A508>
RLOFF*
FIX_HT_N
Q614
R623
R621
RL601
T600
D601
C602
D602
1
1
2
3
4
2
AC_H
AC_N
J201
+
+
+
+
IN
OUT
GND
2
2
3
1
1
3
2
1