Canon S520 Service Manual page 89

S820
JIF2 (USB interface connector)
See page 4-1 (BJ F900 JUSB1 USB interface connector)
JCRB1 (Carriage flexible cable connector)
Pin No. Signal
1~3 VHGND
4 DATAM
5 SOMY
6 TOMLC
7 TOMY
8 HEAD_SEN
9 DATAC
10 DATAML
11 HEKCL
12 BE2
13
14 BE3
15 DATACL
16 CSCR
17 CRWD
18 CRSK
19,20 HVDD
JCRB2 (Carriage flexible cable connector)
Pin No. Signal
1~3 VHGND
4 DATAY
5 HEMY
6 SOMLC
7 TOKCL
8 GND
9 HCLK
10 GND
11 HEMLC
12 BE1
13 DATAK
14 BE0
15 SOKCL
16 DHE
17 SENSEPOW
18 ENCB
19 ENC_G
20 ENCA
JCRB3 (Carriage flexible cable connector)
Pin No. Signal
1~7 VHGND
8~20
IN/OUT Function
OUT
IN MY chip status output
IN MLC chip status output
IN MY chip temperature output
IN Head YES/NO
OUT
OUT
OUT KCL heat signal
OUT Block enable 2
BG OUT Data latch signal
OUT Block enable 3
OUT
OUT Head EEPROM chip select
IN/OUT Head EEPROM data signal
OUT Head EEPROM block signal
out
IN/OUT Function
OUT
OUT MY heat signal
IN MLC chip status output
IN KCL chip temperature output
OUT Data transfer block
OUT MLC heat signal
OUT Block enable 1
OUT
OUT Block enable 0
IN KCL chip status output
OUT Dummy drive signal
OUT Encoder power
IN Encoder output phase B
Encoder GND
IN Encoder output phase A
IN/OUT Function
VHGHN
VH OUT VH power
4-7
Part 4: Appendix