Canon MultiPASS C530, Service Manual

Page: 229 / 243

3-72
MultiPASS C530/C560 Chapter 3: Maintenance & Service
SPCNT board (J9)
← →
Operation panel unit (J1)
J9 J1 Signal name Description
1 — 13 DGND Ground
2
←
12 KI00 Key sense signal
3
←
11 KI01 Key sense signal
4
←
10 KI02 Key sense signal
5
←
9 KI03 Key sense signal
6
←
8 KI04 Key sense signal
7
←
7 KI05 Key sense signal
8
→
6 RS LCD control signal
9
→
5 SOD LCD and LED serial data signal
10
→
4 ECLK LCD write signal
11
→
3 CLK374 Clock signal
12
→
2 +5V Logic drive voltage
13
→
1 +5V Logic drive voltage
SPCNT board (J10)
← →
Document feed motor
J10 motor Signal name Description
1
→
— RAO Phase A
2
→
— RAO* Phase -A
3
→
— RBO Phase B
4
→
— RBO* Phase -B
SPCNT board (J31)
← →
Contact sensor
J31 CS Signal name Description
1
→
— VLED IC drive voltage
2
→
— B LEDGND Blue LED control signal
3
→
— G LEDGND Green LED control signal
4
→
— R LEDGND Red LED control signal
5
→
— CSCLK Contact sensor enable signal
6 — — GND Frame ground
7
→
— SH Line reset signal
8 — — GND Ground
9 — — NN Dark level clamp
10
→
— CS5V Logic drive voltage
11 — — GND Ground
12
←
— VIN Analog image data