Read Sharp LC-20B4E (serv.man6) Service Manual online
11
LC-20B4E
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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-
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
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.
Tuner PWB
Main PWB
Main PWB
(Side B)
(Side B)
1
3
2
4
Tape
SC2002
SC3902
P701
P1902
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)