Canon BJC-55 Service Manual page 204

BJC-50
1 2
Vcc3 Vcc3
R68 R69
390,1/8W 5.6K,1/16W
CNIF1
STROBE 1
DATA1 2
DATA2 3
DATA3 4
DATA4 5
DATA5 6
DATA6 7
DATA7 8
DATA8 9
ACK 10
BUSY 11
PE 12
NC 13
NC 14
SLCT 15
AUTXT 16
+5V 17
INPRM 18
FAILT 19
+5V 20
SELIN 21
S-GND 22
NC 23
S-GND 24
S-GND 25
NC 26
Option ASF
OP-VH
CNOP1
ZD10
1
2
3
4
5
6
7
8
3 4
Vif
R70 R71
1K,1/16W 1K,1/16W R72 R73
100,1/16W 1K,1/16W
C49
RA4 RA5 1000p,50V
C50
1000p,
50V
RA6 RA7
R78
1K,1/16W
R87 R88
100,1/16W 1K,1/16W
C61
0.01µ,50V
R89
1K,1/16W
L4
L5
R85
1K,1/16W
5 6 7
STB
<02-F4>
IFD0
<02-F5>
IFD1
<02-F5>
IFD2
<02-F5>
IFD3
<02-F4>
IFD4
<02-F4>
IFD5
<02-F4>
IFD6
<02-F4>
IFD7
<02-F4>
C51 C52 C53 C54 C55 C56 C57
1000p, 1000p, 1000p, 1000p, 1000p, 1000p, 1000p,
50V 50V 50V 50V 50V 50V 50V
AUTXT
<02-F4>
ACK
<02-F4>
BUSY
<02-F4>
PE
<02-F4>
SLCT
<02-F4>
FAULT
<02-F4>
INIT
<02-F4>
C62 C63 C64 C65 C66
1000p, 1000p, 1000p, 1000p, 1000p,
50V 50V 50V 50V 50V
SELIN
<02-F3>
OP-Vcc
DA8
4 3 CHGLEV <01-D5>
<03-G5>
2
DA8 1 5
RXD0
<02-A2>
2
TXD0
<02-A4>
DA7
4 3
SCLK0
<02-F3>
Vcc3 (PES)
2
DA7
1 5
OP-ON
<01-F10>
2
Vcc1
TH1
TH
<03-G5>
R86
47K,1/16W
8 9
CONTROL PCB ASS'Y 04
Vcc1
R74
BZ1 BZ
1.5K,1/16W
2
BZOUT 3
<02-F3>
Q21
1
Vcc1
PW-LED R75 300,1/16W
<02-F3>
LD1
1 4
ERR-LED R76 300,1/16W
<02-F3> K A
BATT-LED R77 300,1/16W 2 3
<02-A2>
K A
LD2
Vcc1
R80
10K,1/16W D14
SW1
SW2
NMI
<02-G3>
C58
0.01µ,50V
PWRON GND
<01-F3>
Vcc1
R81
10K,1/16W
SW3
CC-SW
<02-F2>
C59
0.01µ,50V
GND
Vcc1
R82
10K,1/16W
SW4
RCV-SW
<02-F3>
C60
0.01µ,50V
GND
Vcc1
CNIR1
MODE
<02-F3>
L3 0.1A
C67 C68
0.1µ,25V 0.1µ,25V
RXD
<02-G3>
TXD
<02-F3>
R90
68,1/16W
R92
C69
12,1W
4.7µ,10V
R93
12,1W
Part 5: Maintenance
10
A
B
C
D
E
1 (IR)
2
3
F
4
5
6
7
8
9
10
G
5-44