Sharp UX-1100 Service Manual page 83

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
CNLIUA
8
1
CNLIUB
12
CHECK
TEL/LIU
PWB
A set with a mounted
extension board unit
Connector Cable
CNPN2 QCNW-4583SCZZ
CNTH2 QCNW-4567SCZZ
CNCCD2 QCNW-4611SCZZ
CNMT2 QCNW-4610SCZZ
CNSNS QCNW-4571SCZZ
CNRBN2 QCNW-4573SCZZ
CNSP3 QCNW-4577SCZZ
CNCVR2 QCNW-4578SCZZ
CHECK
CONTROL
PWB
Cable color CNSNS
1. Brown P-EMPTY CNLIUB-6
2. Red RHS
3. Orange P-IN
4. Yellow P-OUT
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.
Actual operation with mechanical unit
Recording paper ON/OFF operation
sensor
Hook SW ON/OFF operation
PWB sensor check
Recording paper OFF
sensor
Hook SW ON-HOOK
* Recording paper: ON
No recording paper: OFF
8 – 2
Connected to (PWB)
CNLIUA-8
PIN(CONT)
Mechanical unit PWB to be tested
OFF (Photo interrupter
is interrupted.)
ON-HOOK
ON/OFF operation
ON/OFF operation
UX-1100DE
FO-1450DE