Canon CANOSCAN FB330 series Service Manual page 32

CHAPTER 2
C. Main PCB Input and Output
1. CanoScan FB330P/FB630P
DCS1
AC adapter
CS1
Scanning unit drive motor
Contact image sensor
2 - 4
COPYRIGHT © 1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
J2-1
+10.5V
-2
GND
J4-1
OUT
-2
NC
-3
AGND
-4
VCC
-5
VREF
-6
SP
-7
CLK
-8
LED COMMON
-9
BLED
-10
GLED
-11
RLED
-12
FGND
-13
NC
-14
NC
-15
NC
-16
NC
-17
AP
-18
AN
M1 -19
BP
-20
BN
Figure 2-4
Main PCB
HXPERR
Scanning unit drive motor
drive signal
PXPERR
HSTB J3-1
IF0 -2
IF1 -3
IF2 -4
IF3 -5
IF4 -6
IF5 -7
IF6 -8
To host
IF7 -9
computer
HACK -10
HXBSY -11
-12
HXSEL -13
HATFD
-14
HFALT -15
HINIT -16
HSELIN -17
GND -18 -25
PSTB J5-1
IF0 -2
IF1 -3
IF2 -4
IF3
-5
IF4 -6
IF5 -7
IF6 -8
IF7 -9
PACK
-10 To printer
PXBSY -11
-12
PXSEL -13
PATFD -14
PFALT -15
PINIT -16
PSELIN -17
GND -18 -25