Logic Board - Canon S520 Service Manual

S900
JPOW1 (DC power connector)
Pin No. Signal
1,2
3
4,5 GND
6
7 GND
8 VHREM
JPGS1 (Purge sensor connector)
Pin No. Signal
1 POW
2 GND
3 SNS_PG
JINK1 (Ink sensor connector)
Pin No. Signal
1 POW
2 GND
3 AD_INK
JASF1 (ASF motor connector)
Pin No. Signal
1
2
3
4
JPGM1 (Purge motor connector)
PIN No. Signal
1
2
3
4
JLFM1 (Paper feed motor connector)
PIN No. Signal
1
2
3
4
JCRM1 (Carriage motor connector)
PIN No. Signal
1
2
IN/OUT Function
VH Head voltage (+16V)
VM Motor voltage (+28V)
5V Logic board voltage
OUT VH remote
IN/OUT Function
Power
GND
PG sensor port
IN/OUT Function
Power
GND
Ink sensor port
IN/OUT Function
A OUT ASF motor phase A
B OUT ASF motor phase B
A OUT ASF motor phase A
B OUT ASF motor phase B
IN/OUT Function
A OUT PG motor phase A
B OUT PG motor phase B
A OUT PG motor phase A
B OUT PG motor phase B
IN/OUT Function
B OUT LF motor phase B
A OUT LF motor phase A
B OUT LF motor phase B
A OUT LF motor phase A
IN/OUT Function
- OUT CR motor - phase
+ OUT CR motor + phase
4-3
Part 4: Appendix