Canon BJ-W3000 Service Manual page 246

BJ-W3000 / BJ-W3050
8
(2/17-D8) SUBH[3..0]
SUBH0
SUBH1
SUBH2
SUBH3
(2/17-A8) HRESET
(2/17-A8)(6/17-D8) BUFENBN
(2/17-A8) P5SUPN
(2/17-A8) P28SUP
(2/17-C8)
DI_RNKSEL2
(2/17-C8)
DI_RNKSEL1
(2/17-C8)
DI_RNKSEL0
R281 47
R282 47
R283 47
1000pF 1000pF
C254 C253
7 6
VCC
C272
0.1uF
U211 GND
2 18
A1 B1
3 17
A2 B2
4 16
A3 B3
5 15
A4 B4
6 14
A5 B5
7 13
A6 B6
8 12
A7 B7
9 11
A8 B8
19
G
1
DIR
VCC
DA214
1 3
GND
GND
(17/17-C7)
DRSL0
DRSL1
(17/17-C7)
O_DI_RNKSEL2
O_DI_RNKSEL1
O_DI_RNKSEL0
1000pF GND
C252
5 4
O_HRESET
VCC
2
R301 R375 R368 R366 R364
10K 10K 10K 10K 10K
GND GND GND GND GND
O_DI_RNKSEL[2..0]
(9/17-C4)
3 2
O_SUBH0
O_SUBH1
O_SUBH2
O_SUBH3
(9/17-C4)
Part 6: Circuit Diagram
1
Engine controller (8/17)
F
O_SUBH[3..0]
(9/17-B4)
E
D
TRI_ENBN (9/17-B8)
C
H5VCNTN
(9/17-C4)
P26SUP (9/17-C4)
B
A
6-23