Canon iR5000i Service Manual page 118

4.2 Inputs to and Outputs from the Reader Controller PCB
• Inputs to and Outputs from the Reader Controller PCB (1/2)
Scanner HP
sensor
PS39
Copyboard
cover sensor
PS40
Original sensor
PS43
Scanner motor M3
LA2
Scanning
lamp
H7
Mirror heater
Lens heater
H6
100-V model only
COPYRIGHT © 2001 CANON INC.
J5057
-1
-2
-3
J5056
-1
-2
-3
J5101
J5102
-1
-1
-3
Inverter
-4
PCB
-2
-4
J6001
-1
CCD/AP
-2
PCB
-3
CCD
-4
J6002
J5100
-1 -1
-2 -2
-1
AC inlet
-2
J5101
2000 2000 2000 2000
CHAPTER 1 BASIC OPERATION
J5052
-3 -6
-2 -5
-1 -4
J5051
-6 -1
-5 -2
-4 -3
J5053
-1 -3
-2 -2
-3 -1
J5062
-5 -1
-3 -3
-2 -4
-1 -5
J5603
-3
-1
-1
-2
J5601
Fuse PCB
J5602
-1
AC100V
-2
F01-402-01
CANON iR5000i/iR6000i REV.0 JUNE 2001
Reader controller PCB
+5V
J5012
-3
When the scanner is in
-2
HPSENS
home position, '1'.
-1
+5V
J5012
-6
When the copyboard
-5
ADF_OPEN*
cover is closed, '1'.
-4
( only at time of detection )
+5V
J5006
-1
-2
When paper is detected,
D_SENS3*
-3
'1'.
+24V
J5011
-6
-5
-4
B* Rotates in response to
-3
B
alternating '1' and '0'.
-2
A*
(pulse signal)
A
-1
J5007 +24V
-5
-3
See Chapter 2
LAMP_ON
-2
"Controlling the
INV_ERR
-4
Scanning Lamp."
J5002
-1
A12V
-2
GND
-3
GND
See Chapter 3
-4
A5V
"Controlling the CCD."
J5003
J5001
+24V
-1
When the reader controller PCB is ON,
24: ON --> heater: OFF
-3
When the reader controller PCB is OFF,
24V: OFF --> heater: ON
1-5 R