CHAPTER 2
2 - 5
COPYRIGHT
©
2001 CANON INC. CANOSCAN D1230U/D2400U REV.0 MAR. 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Figure 2-4
2. CanoScan D2400U
JP8-1
-2
-3
-4
Drive Motor
Power
LED
Home Position
Sensor
"H" when scanning unit is in
home position
Drive motor drive signal
JP2-1
-2
-3
Start
Button
Button PCB
VCC
LED
HOTKEY0
+12V
GND
"H" when power LED is ON
"H" when Start button is pressed
Vbus
D-
D+
GND
J1-1
-2
-3
-4
-5
-6
-7
-8
AC Adapter
JP1-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
-12
-13
-14
-15
-16
-17
-18
-19
-20
-21
-22
-23
-24
-25
-26
-27
-28
OUT1B
OUT1A
OUT2A
OUT2B
JP9-1
-2
-3
-4
To FAU
To Host
Computer
J2-1
-2
Main PCB
Scanning Unit
XPA
XPAGND
FAU_DET
VCC
IRLED
XPAGND
XPAGND
XPAGND
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
CCD_G
AGND
CCD_R