Service manual

FO-4700U
FO-47UC
8 – 4
[For inspection of PC-IF PWB (FO-47IF)]
1) Connect all cables to the connectors of extension boards and check
PWBs as shown in Fig.1 on page 8-2
The connector (CNPCIF) of check PC-IF PWB must be inserted into
the check control PWB.
2) Connect the ARG cable (QCNW-4994SCZZ) to FG of the extension
board (Printer-EX) and FG GND of the check PC-IF PWB.
Extension board connection diagram
Ref No. Cable parts code Description
FG QCNW – 4994SCZZ EX. Cable, 1-1 PIN
CONTROL
EXTENSION
BOAD
PRINTER
EXTENSION
BOAD
CHECK
LIU
PWB
CHECK
PC IF PWB
(FO-47IF)
PRINTER
PWB
CHECK
CONTORL
PWB
CNSP
FG
GND
FG
FG
CN1B
CNPRTB
CNPN
CNSTP
CNTXM
CNSEN
CNCIS
CNPRT
CNPW
Fig. 3