BJC-50
Part 5: Maintenance
1
2
3
4
5
6
7
8
9
10
A
B
C
D
E
F
G
CONTROL PCB ASS'Y 03
FONT ROM(8M)
IC10
Vcc1
Vcc1
Vcc1
20
16
16
10
A <20..1>
D <15..0>
MD <15..0>
MA <9..0>
0
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
Vcc
I/O0
I/O1
I/O2
I/O3
VCC
I/O4
I/O5
I/O6
I/O7
NC
NC
WE
RAS
NC
A0
A1
A2
A3
VCC
VSS
I/O15
I/O14
I/O13
I/O12
VSS
I/O11
I/O10
I/O9
I/O8
NC
LCAS
UCAS
OE
A8
A7
A6
A5
A4
VSS
9
0
1
2
3
DRAM(4M)
IC8
UW
RAS
C43
0.01
µ
,50V
C44
0.01
µ
,50V
OE
UCAS
WR
CE0
RD
15
14
13
12
11
10
9
8
8
7
6
5
4
LCAS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
A15
A14
A13
A12
A11
A10
A9
A8
NC
NC
WE
RESET
NC
NC
RY/BY
NC
A17
A7
A6
A5
A4
A3
A2
A1
A16
/BYTE
VSS
DO15
DO7
DO14
DO6
DO13
DO5
DO12
DO4
VCC
DO11
DO3
DO10
DO2
DO9
DO1
DO8
DO0
OE
VSS
CE
A0
FLASH ROM(4M)
IC9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
N.C.
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE
GND
OE
D0
D8
D1
D9
D2
D10
D3
D11
N.C.
A19
A8
A9
A10
A11
A12
A13
A14
A15
A16
BYTE
GND
D15
D7
D14
D6
D13
D5
D12
D4
Vdd
16
15
14
13
12
11
10
9
18
8
7
6
5
4
3
2
15
7
14
6
13
5
12
4
11
3
10
2
9
1
8
0
C46
0.01
µ
,50V
19
18
8
7
6
5
4
3
2
1
0
8
1
9
2
10
3
11
20
9
10
11
12
13
14
15
16
17
15
7
14
6
13
5
12
4
C47
0.01
µ
,50V
<02-A6>
<02-G6>
<02-B1>
<02-C1>
<02-D1>
<02-D1>
<02-E1>
<02-E1>
<02-A2>
<02-F6>
<02-A5>
<02-E1>
Vcc1
1
CE1
<02-F6>
17
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
W1
X0
X1
X
Y
Y0
VEE
VSS
VDD
W0
W
Z
Z1
Z0
Y1
CONT
IC11
Vcc1
C48
0.01
µ
,50V
DCLEV
HDIS
BATLEV
AD1
AD2
HRANK
<01-G8>
<02-F6>
<01-E5>
<02-B1>
<02-B1>
<02-C7>
HID
AD0
AD3
THBAT
TH
CHGLEV
ADSEL
<02-C7>
<02-B1>
<02-B1>
<01-F3>
<04-G7>
<01-D5>
<02-D1>
<04-E7>
5-43
Summary of Contents for BJC-55 Series
Page 1: ...BJC 55 SERVICE MANUAL Canon...
Page 34: ......
Page 50: ......
Page 73: ...Code page 860 Code page 863 2 23 BJC 50 Part 2 Product Specifications...
Page 74: ...Code page 865 Code page 857 Part 2 Product Specifications BJC 50 2 24...
Page 75: ...Code page 855 Code page 852 2 25 BJC 50 Part 2 Product Specifications...
Page 76: ...Code page 864 Code page 869 Part 2 Product Specifications BJC 50 2 26...
Page 78: ......
Page 106: ...Part 3 Operating Instructions BJC 50 3 28 This page intentionally left blank...
Page 108: ......
Page 160: ......
Page 164: ...4 ADJUSTMENT No parts need to be adjusted Part 5 Maintenance BJC 50 5 4...
Page 199: ...7 1 2 Control board Lower section 5 39 BJC 50 Part 5 Maintenance...
Page 200: ...Part 5 Maintenance BJC 50 5 40 This page intentionally left blank...
Page 206: ...PRINTED IN JAPAN IMPRIME AU JAPON CANON INC The printing paper contains 70 waste paper...