Connector Locations And Pin Configurations; Logic Board - Canon S520 Service Manual

Part 4: Appendix

1. CONNECTOR LOCATIONS AND PIN CONFIGURATIONS

1.1 Logic Board

CN506 CN505
CN201 (Carriage flexible cable connector) ←→ J1 : Carriage board
Pin No. Signal
1 VHT
2~6 B_VH
7~11 A_VH
12~16 B_GND
17~21 A_GND
CN202 (Carriage flexible cable connector) ←→ J2 : Carriage board
Pin No. Signal
1, 2, SUBH0
3, 7, 9, 11
14, 16, 19 GND
4 H_ENB1
5 H_ENB2
6 H_ENB0
8 H_LATCH
10 H_CLK
12 H_D0
13 H_D1
15 ENCA
17 ENCB
18 VSEN
20 DIA0
21 DIK0
CN503
SW402
Figure 4-10 Logic Board
IN/OUT Function
OUT Head power transistor driving power source (19V)
OUT Color heater driving voltage (19 V)
OUT Black heater driving voltage (19 V)
... GND (for color heater driving voltage)
... GND (for black heater driving voltage)
IN/OUT Function
OUT Black secondary heater driving signal
... Logic ground
OUT Color nozzle heat enable signal
(Even/odd array's odd block)
OUT Color nozzle heat enable signal
(Even/odd array's even block)
OUT Black nozzle heat enable signal
OUT Data latch enable signal
OUT Clock signal
OUT Black even array nozzle data signal
OUT Black odd array nozzle data signal
IN Carriage encoder signal
IN Carriage encoder signal
OUT Carriage encoder sensor power source
IN Head temperature sensor's (diode) anode side (black)
... Head temperature sensor's (diode) cathode side (black)
SW401 SW403
4-16
S520
CN305 CN304
CN511 CN402
J1 Pin No.
Same as
CN201
pin no.s
J2 Pin No.
Same as
CN202
pin no.s