Canon CANOSCAN D1230 series Service Manual page 105

II. GENERAL CIRCUIT DIAGRAM (CanoScan D2400U)
Scanning unit
Button PCB
Drive
Motor
COPYRIGHT © 2001 CANON INC. CANOSCAN D1230U/D2400U REV.0 MARCH 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
FAU-S13
JP1
LAMP_GND
LAMP_GND
12V_LAMP
12V_LAMP
+18VP
+18VP
C-DGND
PHI1
PHI2
PHI3
+12V_VAROS
ASIC_VAROS
AGND
CCD-SHB
CLB
CCD-SHG
RB
CCD-SHR
VCC
C-DGND
AGND
C-DGND
AGND
CCD_B
AGND
Main PCB
CCD_G
AGND
CCD_R
JP2
VCC
LED
HOTKEY0
JP8
OUT1B
OUT1A
OUT2A
OUT2B
8 7 6 5 4 3 2 1
J1
8 7 6 5 4 3 2 1
JP9
Vbus
D-
D+
GND
J2
+12V
GND
A - 2