Canon S820MG, Service Manual

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Part 4: Appendix
S820
1. CONNECTOR LOCATIONS AND PIN CONFIGURATIONS
1.1 Logic Board
JPG1 JASF1 JPOW1 JPGS1 JIF2 JIF1
Figure 4-4 Logic Board
JIF1 (Parallel interface connector)
JLF1 JINK1
Pin No. Compatible mode Nibble mode ECP mode
1 STROBE HostClk HostClk
2 DATA1 Data1 Data1
3 DATA2 Data2 Data2
4 DATA3 Data3 Data3
5 DATA4 Data4 Data4
6 DATA5 Data5 Data5
7 DATA6 Data6 Data6
8 DATA7 Data7 Data7
9 DATA8 Data8 Data8
10
ACKNLG
PrtClk PeriphClk
11 BUSY PrtBusy PeriphAck
12 P.E. AckDataReq AckReverse
13 SELECT Xflag Xflag
14 AUTO FEED XT HostBusy HostAck
15 N.C TBD TBD
16 GND Gnd Gnd
17 GND Gnd Gnd
18 +5.0V Vcc Vcc
19 STROBE-RET (GND) Signal Gnd Signal Gnd
20 DATA1-RET (GND) Signal Gnd Signal Gnd
21 DATA2-RET (GND) Signal Gnd Signal Gnd
22 DATA3-RET (GND) Signal Gnd Signal Gnd
23 DATA4-RET (GND) Signal Gnd Signal Gnd
24 DATA5-RET (GND) Signal Gnd Signal Gnd
25 DATA6-RET (GND) Signal Gnd Signal Gnd
26 DATA7-RET (GND) Signal Gnd Signal Gnd
27 DATA8-RET (GND) Signal Gnd Signal Gnd
28 ACKNLG-RET (GND) Signal Gnd Signal Gnd
29 BUSY-RET (GND) Signal Gnd Signal Gnd
30 P.E.-RET (GND) Signal Gnd Signal Gnd
31 INIT INIT ReverceReq
32 ERROR DataAvail PeriphReq
33 GND TBD TBD
34 N.C TBD TBD
35 +5.0V TBD TBD
36
SELECT IN
1284Active 1284Active
JC
R
B
3
JC
R
B
2
JC
R
B
1