Canon S820MG Service Manual page 188

Part 4: Appendix
CN402 (Ink sensor connector)
Pin No. Signal
1 INK_PWM
2
3 INKS
CN501 (DC power connector)
Pin No. Signal
1 +5V
2 +5V-GND
3 VH
4 VH-GND
5 VM
CN503 (Pump sensor connector) / Carriage motor connector
Pin No. Signal
1 VSEN
2
3 SNS_PG
4 CRA
5 CRB
CN505 (ASF motor connector)
Pin No. Signal
1 ASFA
2 ASFB
3
ASFA
4
ASFB
CN506 (Purge motor connector)
Pin No. Signal
1 COM
2 PGA
3
PGA
4 PGB
5
PGB
CN511 (Paper feed motor connector)
Pin No. Signal
1 LFA
2
LFA
3 LFB
4 LFB
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IN/OUT Function
OUT Ink sensor photo LED drive signal
... ... GND
IN Voltage varies according to the degree of reflected light
IN/OUT Function
IN +5VDC
... GND
IN +19V
... GND
IN +27VDC
IN/OUT Function
OUT Ink sensor photo LED drive signal
... ... GND
IN Pump sensor sense signal High (sense)/Low
OUT Carriage motor phase A
OUT Carriage motor phase B
IN/OUT Function
OUT ASF motor phase A
OUT ASF motor phase B
OUT
ASF motor phase A
OUT
ASF motor phase B
IN/OUT Function
... Common terminal
OUT Purge motor phase A
OUT
Purge motor phase A
OUT Purge motor phase B
OUT
Purge motor phase B
IN/OUT Function
OUT Paper-feed motor phase A
OUT
Paper-feed motor phase A
OUT Paper-feed motor phase B
OUT Paper-feed motor phase B
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