LC-13B4E (serv.man7). Removing of major parts - Sharp TV Service Manual (repair manual). Page 4

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Precautions at the time of the side B(back) service of main unit.
1. Remove only SC2002 of the FFC for connection between Main unit(SC2002) and Tuner unit(SC3902), and con-

nect the extended cable (QCNW-A369WJZZ) for service.

2. Peel off the tape.
3. Remove only P701 of the FFC for connection between Main unit(P701) and Tuner unit(P1902), and connect the

extended cable (QCNW-B194WJZZ) for service.

4. Remove the main unit fixing screws(2 pcs.), a substrate is reversed.

OPERATION PWB

MAIN PWB

TUNER PWB

INVERTER PWB

R/C, LED PWB

SC3902

SC2002

P1902

P701

Main PWB
(Side B)

2

3

1

Tape

Only for LC-13B4E

Only for LC-13B4E

Step

Part No.

Description

1

QCNW-A369WJZZ

Extension Cable 50-pin Main (SC2002)-Tuner (SC3902)

3

QCNW-B194WJZZ

Extension Cable 12-pin Main (P701)-Tuner (P1902)