Canon BJ-W3000 Service Manual page 235

BJ-W3000 / BJ-W3050
8
(10/12-F2)
(10/12-F2) VENB
4 3 2 1
(10/12-F6) PIXCLK
U624B U624A
(5/12-F5)(6/12-F7)(7/12-F7)(8/12-F8)(12/12-D2) ID[7..0]
(12/12-B2) IA[2..0]
(10/12-C2) SCU1L
(5/12-E6) IO_RDL
(5/12-E6) IO_WRL
VCC
VCC
R973
10K
(1/12-C6) TXINT
U621F
12
(1/12-C6)
RXINT
(7/12-D1) 7.3728MHz
(1/12-D6) RST
(7/12-C1) ENGCLK
(10/12-F6)
(10/12-B3)
(10/12-B3)
7 6
PIX[7..0]
PIX[7..0]
U625
PIX0 2 18 XPIX0
A1 Y1
PIX1 3 17 XPIX1
A2 Y2
PIX2 4 16 XPIX2
A3 Y3
PIX3 5 15 XPIX3
A4 Y4
PIX4 6 14 XPIX4
A5 Y5
PIX5 7 13 XPIX5
A6 Y6
PIX6 8 12 XPIX6
A7 Y7
PIX7 9 11 XPIX7
A8 Y8
1
G1
19
G2
GND
R988
220
R990
0
U633
ID7 8 19
DB7 TRNDT
ID6 7 3
DB6 RCVDT
ID5 6 23
DB5 RTS
ID4 5 24
DB4 DTR
ID3 2 17
DB3 CTS
ID2 1 22
DB2 DSR
ID1 28
DB1
GND
ID0 27 9
DB0 TRNCLK
25
RCVCLK
11
CS
13
RD
10
WR
IA0 12
CMDT
R966
10K
U630A
TP638
2 1 15
TRNRDY
TP639
13 14
RCVRDY
TP637
16
SYNC/BRK
R1033 18 VCC
TRNEMP
10K
20 26
CLOCK VCC
GND
21 4
RST GND
GND
VCC
SRA[14..0]
SRA[14..0]
SRA0
SRA1
SRA2
SRA3
SRA4
SRA5
SRA6
SRA7
SRA8
SRA9
VCC SRA10
SRA11
SRA12
C740 C731 C732 C697 C730
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF SRA13
SRA14
GND
RAMWRL
RAMRDL
5 4
R991
22
R992
22
R993
22
R994
22
R995
22 XPIX0
R996
XPIX2
22
R997
22 XPIX4
R998
22
VCC
XPIX6
R987 R989 R999 R1004
10K 10K 10K 10K
GND
U626
R1000
2 18
A1 B1
22
3 17 R1001
A2 B2
22
4 16 R1003
A3 B3
22
5 15
A4 B4
6 14
A5 B5
7 13
A6 B6
8 12
A7 B7
9 11
A8 B8
VCC
1 19
DIR EG
GND
U628
10 11 SRD0
A0 I/O0
9 12 SRD1
A1 I/O1
8 13 SRD2
A2 I/O2
7 15 SRD3
A3 I/O3
6 16 SRD4
A4 I/O4
5 17 SRD5
A5 I/O5
4 18 SRD6
A6 I/O6
3 19 SRD7
A7 I/O7
25
A8
24
A9
21
A10
23
A11
2 20
A12 CS
26 22 GND
A13 OE
1 27
A14 WE
3 2
XPIX[7..0]
VCC
CN607
JP603
A1 B1 R794
VENB PIXRDY RSINT
4.7K
(10/12-B3)
47P C698 A2 B2
PIXCLK VCC
C699 A3 B3
47P
VCC VCC
A4 B4 XPIX1
PIX0 PIX1
C700 A5 B5 XPIX3 C701
47P 47P
PIX2 PIX3
47P C702 A6 B6 XPIX5 47P C703
PIX4 PIX5
47P C704 A7 B7 47P C705 VCC
GND GND
A8 B8 XPIX7
PIX6 PIX7
47P C706 A9 B9 47P C707 R1002
RXD TXD
10K
C708 A10 B10 C709
47P 47P
GND GND
A11 B11
RTS CTS
C710 A12 B12 C711
47P 47P
CPRDY PPRDY
A13 B13
DTR DSR
47P C712 A14 B14 47P C713
EXT0 EXT1
A15 B15
EXT2 EXT3
A16 B16
EXT4 EXT5
GND
U624C
5 6
U624D
9 8
U624E
11 10
U624F
13 12
SRD[7..0]
SRD[7..0] (10/12-F6)
Part 6: Circuit Diagram
1
Image controller (9/12)
VCC
F
330 R811
L605 CN603
2 1 2
CB B 2
4 3 1
CG PSG 1
LED605
GND
TP662
TP635
TP601
CTSL (8/12-C5)
E
VCC
C639 C635 C604 C601
100uF 100uF 100uF 100uF
GND
VCC
C737 C640 C643 C770
0.1uF 0.1uF 0.1uF 0.1uF
GND
D
VCC
CN606
EXT0 1
EXT1 2
EXT2 3
EXT3 4
EXT4 5
EXT5 6
7
8
C741 C742 C743 C745 C746 C747
47P 47P 47P 47P 47P 47P GND
GND C
B
A
6-12