Service manual
A-5
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
C. GENERAL CIRCUIT DIAGRAM
I. Image processor PCB
Image processor PCB (1/3)
TP204
TP201
J34 J35
J32
J39
J22
J21
LA20
J20
J23
J33
TP202
TP203
J54
J52 J53
J45
J43
J41
J49
J42
J44
J50 J62 J63
M701
M
J203 J214
J60
J61
J211
J51
J46
12345
6
789101112131415 1716 1 2 3 4 5
6
789101112131415 1716
12345
6
789101112131415 1716
12345
6
7891011121314
12345
6
78910111213
12345
6
78910111213
12345678910111213
12345
6
1
1
2
3
4
2345 12345
12
3
4
1234
5
12345
12345
6
789101112131415161718
19
20212223242526
12345
6
789101112131415161718
19
20212223242526
123
12 3
12 3 12 3
1
1
2
2
3
3
1
23
1
23
1
23
45
6
789101112131415161718
19
20212223242526
12345
6
789101112131415161718
19
202122232425 26
1
1
2
2
1
2
345
6
789101112
12345
6
78910111213
12
3
45
6
78910111213
14
1413121110987654321
13121110987654321
654321
654321
654321
654321 21
21
13121110987654321
15 1716
Control panel sub-PCB
Control panel PCB
LCD
Scanner moter
Speaker
Scanning lamp
Reserved
Inverter
PCB
Analog processor PCB
Image processor PCB
Stamp solenoid
Scanner home
position sensor
Copyboard cover
open/close sensor
B*
A*
COM-B
COM-A
B
A
GND
ADIN
CCD-OUT-EVEN
CCD-OUT- ODD
+12
D-GND
+5U
D-GND
D-GND
D-GND
+24U
+24U
LMPON
R-GND
R-GND
D-GND
RCLK
D-GND
SHG*
ECLK*
CL*
D-GND
SIN
SCLK
LD
D-GND
ABC-OFF*
ABC-HOLD*
N.C
N.C
D-GND
D0
D1
D2
D3
D-GND
D4
D5
D6
D7
D-GND
D-GND
R-CLK
D-GND
SHG*
E-CLK*
CL*
D-GND
S-IN
S-CLK
LD
D-GND
ABC-OFF*
ABC-HOLD*
D-GND
D-GND
D-GND
AD-IN0
AD-IN1
AD-IN2
AD-IN3
D-GND
AD-IN4
AD-IN5
AD-IN6
AD-IN7
D-GND
OFF5V
D-GND
PS101S
SEN5V
D-GND
PS102S
D-GND
BK-SZS0
OFF5V
D-GND
BK-SZS1
OFF5V
D-GND
BK-SZS2
OFF5V
D-GND
BK-SZS3
OFF5V
+24U
+24U
LMPON
R-GND
R-GND
PS101 PS102
J212
J64
J65
J66
J67
J216 J217 J219
J68
J24 J48
J207
J38
J208
D-GND
D-GND
+5U
+5U
D-GND
PNLCK
D-GND
D-GND
RESET*
D-GND
TXD to PNL
PROTECT
RXD from PNL
ESSKEY*
ESSLED
FLM
M
LP
SCP
DSP-OFF
DB0
DB1
DB2
DB3
PRST*
+12V
STMP
+24U
SL301
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
SPKOH
SPKOL
J213
TP61
21
21
Thermoswitch
COM
+24V
D-GND
D-GND
D-GND
+5U
+5U
KO7
KO5
K10
K14
K11
K12
K13
K15
KO2
KO3
KO4
KO6
D-GND
D-GND
D-GND
+5U
+5U
KO7
KO5
K10
K14
K11
K12
K13
K15
KO2
KO3
KO4
KO6
LCDFG
VD
-24V
D-GND
+5U
DB3
DB2
DB1
DB0
D.OFF
SCP
LP
M
FLM
D-GND
D-GND
+5U
+5U
D-GND
PNLCK
D-GND
D-GND
RESET*
D-GND
TXD
PRTCT
RXD
KO0/KO3
K17
KO5/KO6
K16
RMDSW
ESSKEY*
ESSLED
COVERL
COVERM
COVERH
SE1
OP0
VOL0
VOL1
VOL2
VOL3
LCDFG
KO0/KO3
K17
KO5/KO6
K16
RMDSW
ESSKEY*
ESSLED
COVERL
COVERM
COVERH
SE1
OP0
VOL0
VOL1
VOL2
VOL3
LCDFG
ESSKEY*
ESSLED
FLM
M
LP
SCP
DOFF
DB0
DB1
DB2
DB3
PRST*
+12V
SL
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