Canon BJ-W3000 Service Manual page 248

BJ-W3000 / BJ-W3050
8
(1/17-F8)
TXD1_IC
(2/17-B1)
OSBSY
(1/17-F8)
DTR1_IC
(10/17-C3) CTS
(10/17-C2) RXD
(10/17-C3) DSR
7 6
R351 100
R318 100
VCC
VCC C309
R352
47K 0.1uF GND
2 4
U217
GND
R313
100
R314
RXD1_IC
100
R311
DSR1_IC
100
R317
R315
10K
10K
GND GND
5 4
TXD (10/17-C3) (10/17-C2)(10/17-C3) EXT[5..0]
RTS
(10/17-C2)
DTR (10/17-C2)
ICBSY
(2/17-A8)
(17/17-F5)
(17/17-F5)
(1/17-F8)
(1/17-F8)
3 2
VCC
R280
10K
VCC
SW201A
R227 R226 R225 R224 R223
R222
10k 10k 10k 10k 10k
10k
GND
R304 1K
EXT0
R305 1K
EXT1
R201 1K
EXT2
R262 1K
EXT3
R202 1K
EXT4
R263 1K
EXT5
VCCC311
10uF/50V
J209 GND
VENB A1 B1 PIXRDY (17/17-D8)
PIXCLK A2 B2
A3 B3
PIX0 PIX1
A4 B4
PIX2 PIX3
A5 B5
PIX4 PIX5
A6 B6
A7 B7
PIX6 PIX7
A8 B8
(10/17-E5) TXD A9 B9 RXD (10/17-C7)
A10 B10
(10/17-D7) CTS A11 B11 RTS (10/17-E5)
A12 B12
(10/17-C7) DSR A13 B13 DTR
(10/17-D5)
EXT0 A14 B14 EXT1
(10/17-E4) (10/17-E4)
EXT2 A15 B15 EXT3
(10/17-E4) (10/17-E4)
(10/17-E4) EXT4 A16 B16 EXT5 (10/17-E4)
GND GND
Part 6: Circuit Diagram
1
Engine controller (10/17)
F
DIPMD1 (1/17-E3)(4/17-B6)
XEXT[5..0] (2/17-C8)(4/17-B6)
E
XEXT0
XEXT1
XEXT2
XEXT3
XEXT4
XEXT5
D
C
PIX[7..0] (17/17-E8)
B
A
6-25