Sharp LC-20S5H Aquos, Service Manual

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11
LC-20S5H/M/X
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Precautions at the time of the side-B(back) service of main, sub and Inverter unit.
1. Remove only SC1701 of the FPC for connection between Main unit (SC1701) and LCD panel (CN1), and connect
the extended cable (QCNW-C458WJQZ) for service.
2. Remove the PWB unit fixing screws. (main unit: 2 pcs., sub unit: 6 pcs., inverter unit: 3 pcs., operation unit: 3 pcs.,
R/C, LED unit: 2 pcs.)
Step Part No. Description
1 QCNW-C458WJQZ Extension Cable 80-pin Main (SC1701)-LCD Panel (CN1)
SC1701
CN1
1
2
Main PWB
Operation PWB
Inverter PWB
Operation PWB
(Back Side)
Inverter
PWB
(Back Side)
Main PWB
(Side-B)
Sub PWB
(Back Side)
Sub PWB
R/C, LED PWB
R/C, LED PWB
(Side-B)
P4001
SC2003
SC4201
P3902 P3901
P3601
SC6701
SC1201 P7301
SC2002
SC3601
SC2001
Part No. Description
QCNW-C461WJQZ Extension Cable 15-pin Main (SC1201)-Sub (P7301)
QCNW-C461WJQZ Extension Cable 15-pin Main (SC2001)-Sub (P3901)
QCNW-D402WJQZ Extension Cable 23-pin Main (SC2002)-Sub (P3902)
QCNW-D444WJQZ Extension Cable 5-pin Operation (SC4201)-Main (SC2003)
QCNW-D449WJQZ Extension Cable 13-pin Inverter (SC6701)-Sub (P3601)
QCNW-E158WJQZ Extension Cable 14-pin R/C, LED (P4001)-Sub (SC3601)
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Other extension cable