![Canon BJC-55 Series Service Bulletin Download Page 18](http://html1.mh-extra.com/html/canon/bjc-55-series/bjc-55-series_service-bulletin_4175388018.webp)
COMP. SYSTEMS
- 18 -
PRNT-896
9. CIRCUIT DIAGRAM
Control Board (Common to BJC-55/BJ M40)
1234567891
0
A
B
C
D
E
F
G
CONTROL
PCB
ASS'Y
01
Vpp
Vcc1
Vcc1
Vcc1
Vcc2
Vcc3
VH
Vpp
CNBT1
1
2
F1
ZD1
C1
0.1
µ
,25V
C2
470
µ
,25V
R1
1
1.5K,1/16W
D5
R2
1K,1/16W
C3
0.1
µ
,25V
C4
1
µ
,16V
1
2
3
4
8
7
6
5
CT
VSC
OUT
GND
RESET
VSA
VSB/RIN
VCC
IC1
C5
0.1
µ
,25V
C6
0.1
µ
,25V
R3
180K,1/16W
R4
33K,1/16W
R5
10K,1/16W
C7
100p
,50V
RESET
Q6
Q7
Q9
Q17
12
3
12
3
2
1
3
3
2
1
ZD2
D3
V2-ONC
V3-ONC
R9
4.7K,1/16W
C12
1000
µ
,6.3V
R8
100,1/16W
L1
D2
1
2
4
3
VIN
SW
GND
F/B
IC4
ICP1
Q5
R7
1M,1/16W
3
2
1
L2
D8
LF-PR
T
D9
ZD3
C19
470
µ
,35V
C17
0.1
µ
,25V
R25
15K,1/16W
R24
68K,1/16W
R26
820,1/16W
C16
3300p
,50V
Q16
Q14
Q15
3
2
1
3
2
1
3
2
1
R27
330K,1/16W
R23
330K,1/16W
LFREF1
DCLEV
C15
3300p
,50V
Q13
3
2
1
Q12
3
2
1
3
2
1
Q11
D7
R22
1K,1/16W
R21
200,1/16W
R37
23.2K,1/16W
R38
10K,1/16W
R36
2K,1/16W
ZD9
8
7
6
5
1
2
3
4
Cd
Si
V+
INV
Cs
Es
Ct
GND
IC5
C14
330p
,50V
C13
0.1
µ
,
25V
Q2
Q10
3
2
1
3
1
2
R20
1K,1/16W
R19
10K,1/16W
VH-ON
<03-B8>
<05-F5>
<03-B8
>
<03-F1>
<02-F1>
<05-F5>
<05-F1>
R28
51,1/10W
Q8
12
3
OP-Vcc
C18
470
µ
,35V
R29
10K,1/16W
OP-VH
R30
2.7K,1/16W
Q18
2
1
3
EMI
FB1
EMI
FB2
C82
0.01
µ
,50V
C81
0.01
µ
,50V
1
2
3
4
8
7
6
5
CS
ES
CT
GND
CD
SI
V+
INV
IC2
Q3
2
1
3
C10
0.1
µ
,25V
ZD4
CHG-ON
<02-F3>
R44
47K,1/16W
R117
0,1A
C9
2.2
µ
,16V
D1
R10
0.13,1/4
R11
0.13,1/4
D6
ICP2
R12
7.5K,1/16W
R13
7.5K,1/16W
IC3
Vpp
R14
300K,1/16W
R15
300K,1/16W
C11
0.1
µ
,25V
CHGLEV
<03-G5>
Vpp
R35
47K,1/16W
R34
22K,1/16W
Vcc1
R32
100K,1/16W
R33
47K,1/16W
R17
23.2K,1/16W
R18
10K,1/16W
ZD5
R16
2K,1/16W
BA
TLEV
<03-F1>
CNBT2
2
1
EMI
FB5
R31
7.5K,1/16W
Vcc1
ZD6
D10
R114
2.2K,1/16W
R115
1.5K,1/16W
R39
1K,1/16W
D13
D15
THBA
T
<03-G5>
PWR
ON
<04-D8>
BA
T
-ON
<02-A3>
1
3
2
CNDC1
Q1
5
6
7
8
4
IC3
3
2
1
8
4
+
Ð
T
C
Q19
2
1
3
4
6
57
8
2
13
R6
220,1/4W
<04-E7>
OP-ON
<04-F7>
BTC
ZD7
Q26
3
1
2
Vcc4
R71
47K,1/16W
V4-OFF
<03-B8>
R73
10K,1/16W
C64
0.01
µ
,50V
R72
1K,1/16W
R78
47K,1/16W
<03-E8>
Summary of Contents for BJC-55 Series
Page 24: ...0498 AB 2 00 0...
Page 25: ......
Page 36: ......
Page 52: ......
Page 75: ...Code page 860 Code page 863 2 23 BJC 50 Part 2 Product Specifications...
Page 76: ...Code page 865 Code page 857 Part 2 Product Specifications BJC 50 2 24...
Page 77: ...Code page 855 Code page 852 2 25 BJC 50 Part 2 Product Specifications...
Page 78: ...Code page 864 Code page 869 Part 2 Product Specifications BJC 50 2 26...
Page 80: ......
Page 108: ...This page intentionally left blank Part 3 Operating Instructions BJC 50 3 28...
Page 110: ......
Page 162: ......
Page 166: ...4 ADJUSTMENT No parts need to be adjusted Part 5 Maintenance BJC 50 5 4...
Page 201: ...7 1 2 Control board Lower section 5 39 BJC 50 Part 5 Maintenance...
Page 202: ...Part 5 Maintenance BJC 50 5 40 This page intentionally left blank...
Page 208: ......
Page 209: ...PRINTED IN JAPAN IMPRIME AU JAPON CANON INC The printing paper contains 70 waste paper...
Page 211: ...0398 SE 2 00 0...
Page 212: ......
Page 216: ...III...
Page 219: ...B 1 2 1 1 4 5 See FIGURE 7 3 6 7 PRINTER SET FIGURE 1 B PARTS LAYOUT PARTS LIST...
Page 223: ...B 5 1 2 S3 S2 S4 S3 S3 3 4 FIGURE 3 CONTROL BOARD...
Page 225: ...B 7 1 S2 2 4 3 FIGURE 4 PRINT UNIT LOWER CASE UNIT...
Page 227: ...B 9 4 4 4 4 3 3 3 3 2 S2 1 FIGURE 5 PRINTER BASE UNIT...
Page 229: ...B 11 FIGURE 6 CONTROL BOARD COMPONENT TOP VIEW BOTTOM VIEW...
Page 237: ...B 19 FIGURE 7 AC ADAPTER 2 3 4 5 1...
Page 240: ...C 2 This page intentionally left blank...
Page 241: ...T1 FIGURE 8 TOOL D 1 D TOOL...
Page 247: ...E 5 This page intentionally left blank...
Page 248: ......
Page 249: ...PRINTED IN JAPAN IMPRIME AU JAPON CANON INC The printing paper contains 70 waste paper...