Connector Layout And Signal Assignment; Logic Board - Canon QY8-1360-000 Service Manual

BJC-7100

7. CONNECTOR LAYOUT AND SIGNAL ASSIGNMENT

7.1 Logic Board

CNPWR (Connection to AC Adaptor)
Pin No. Signal
1 VH
2 VH-GND
3 VM
4 VM-GND
5 VCC
6 VCC-GND
7 VHON
8 GND
CNPGS (Purge Sensor Connector)
Pin No. Signal
1 LEDON
2 GND
3 PGS
CNCR (Carriage Motor Connector)
Pin No. Signal
1 CRA
2 CRB
3 CRB
4 CRA
CNLF (Paper Feed Motor Connector)
Pin No. Signal
1 LFA
2 LFB
3 LFB
4 LFA
1
2 CNHEAD2
1
CNHEAD1
2
3
27
1
28
CNPGS
28
29
Figure 5-16 Logic Board
IN/OUT Function
IN Head drive voltage (20.0 ± 0.3VDC)
... VH GND
... Motor drive voltage (27.6 ± 1.5VDC)
IN VM GND
... Logic drive voltage (5.0 ± 0.25VDC)
IN VCC GND
OUT VH output control
... GND
IN/OUT Function
OUT Photointerruptor LED drive voltage
... GND
IN Purge unit module initial phase detection
IN/OUT Function
OUT A-phase drive voltage
OUT B-phase drive voltage
OUT B-phase drive voltage
OUT A-phase drive voltage
IN/OUT Function
OUT A-phase drive voltage
OUT B-phase drive voltage
OUT B-phase drive voltage
OUT A-phase drive voltage
5-37
1
4
CNCR
1
1
CNLF
19
4
CNIF
8
CNPWR
36
18
1
Part 5: Maintenance