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2. Description
2-1. Extension board unit
1. Remove the TEL/LIU PWB, control PWB and Power Supply PWB
from this unit, and mount the extension board unit instead.
•
Before connecting the wiring to the extension board unit, set
the test PWB switches to the fixed position.
2. The setting is as follows.
Cable
1
8
1
13
CHECK
TEL/LIU
PWB
Connector
CNPN2
QCNW-4583SCZZ
CNTH2
QCNW-4567SCZZ
CNCCD2
QCNW-4611SCZZ
CNMT2
QCNW-4610SCZZ
CNSNS
QCNW-4571SCZZ
CNRBN2
QCNW-4573SCZZ
CNSP3
QCNW-4577SCZZ
CNCVR2
QCNW-4578SCZZ
CNLIUA
CNLIUB
CHECK
CONTROL
PWB
A set with a mounted
extension board unit
Cable
The recording paper sensor (P. E) and the hook switch are operated
by OR of the mechanical unit switch and the test PWB switch. When
performing installation in the machine unit, set the test PWB switches
to the fixed position.
Recording paper
sensor
Hook SW
Recording paper
sensor
Hook SW
* Recording paper: ON
No recording paper: OFF
8 – 2
Cable color
CNSNS
Connected to (PWB)
1. Brown
P-EMPTY CNLIUB-6
2. Red
RHS
CNLIUA-8
3. Orange
P-IN
PIN(CONT)
4. Yellow
P-OUT
Mechanical unit
PWB to be tested
Actual operation with mechanical unit
ON/OFF operation
OFF (Photo interrupter
is interrupted.)
ON/OFF operation
ON-HOOK
PWB sensor check
OFF
ON/OFF operation
ON-HOOK
ON/OFF operation
FO-1850TH
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