Sharp LC-20S4US Operation Wartungshandbuch PDF herunterladen (Seite 12)

LC-20S4U-S

Step Part No. Description

1 QCNW-A553WJZZ Extension Cable 30-pin Main (SC1202)-LCD Panel

2 QCNW-A556WJZZ Extension Cable 50-pin Main (SC1201)-LCD Panel

3 QCNW-A555WJZZ Extension Cable 20-pin Main (SC1203)-LCD Panel

»Precautions in servicing the B side (backside) of the main PWB unit

1. Disconnect the FFC from between the main PWB (SC1202) and LCD panel unit (CN1), and then connect the

service-specific extension FFC (flat cable) (QCNW-A553WJZZ).

2. Disconnect the FFC from between the main PWB (SC1201) and LCD panel unit (CN2), and then connect the

service-specific extension cord (QCNW-A556WJZZ).

3. Disconnect the FFC for connection between the main PWB (SC1203) and LCD panel unit (CN3), and then connect

the service-specific extension FFC (flat cable) (QCNW-A555WJZZ).

4. Remove the lock screws from the main PWB, detach the PWB from the chassis frame, and then turn it over to

service.

SC1202

SC1201

SC1203

CN1

CN2

CN3

Main PWB

R/C, LED PWB

Inverter PWB

Operation PWB

2 3

Analog PWB

Main PWB

(Side-B)

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 83 84

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Sharp LC-20S4US Operation Wartungshandbuch Seite 12