Service manual

A - 6
COPYRIGHT © 2001 CANON INC. CANOSCAN D1230U/D2400U REV.0 MARCH 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
C118
C106
+
C108
VCC
+3.3V
DGND
DGND
DGND
ASIC_CLK
C107
R66
DGND
R119
C109
C110
nSTROB
SYSBUS0 SYSBUS3 SYSBUS2
SYSBUS5
SYSBUS1
SYSBUS7
BUS
SYSBUS4 SYSBUS6
R70
R71
+
C113
+
R72
D-
D+
SYSBUS7
SYSBUS1
SYSBUS3 SYSBUS2
SYSBUS4 SYSBUS0
nSTROBE
D+
SYSBUS5
D-
BUSY
SYSBUS6
DGND
DGND
U16
CLKOUT URST IOR#/WR# IOW#/WAIT# D0 D1 D2 D3 VCC GND D4 D5 D6 D7 VCP D+ D- VC GND NCO
ASTRB# DSTRB#
A3/INIT#
A2/GPIO7
A1/GPIO6 A0/GPIO5
DRQ/GPIO4
DACK#/GPIO3
GND
VCC
EOP#/GPIO2
CS#/GPIO1
INT#
MODE
RSTYPE
OSCSEL
X1
X2
NC2
NC1
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
R65
GPIO4
FAU_KEY
GPIO3
nAUTOFD
nACK
HOTKEY0
nSELIN
Y1
C111
R69
R68
C112
C105
C104
+
UX2
UX1
DGND
DGND
VCC
nAUTOFD
FAU_KEY nACK
nSELIN
HOTKEY0
ER1
C114
C115
ER20
ER3
C116
JP
USB CONNECTOR TYPE B
1 2 3 4
FG
R20
R21
ER2
DGND
DGND