Sharp LC-20S2U-S Service Manual page 12

LC-20S2U-S
Precautions at the time of the side B(back) service of Main unit.
1. Remove the FFC for connection between Main unit (SC2001) and Sub unit(SC3401), and connect the extended
cable (QCNW-A556WJZZ) for service.
2. Remove only SC1204 of the FFC for connection between Main unit (SC1204) and LCD panel unit, and connect
the extended cable (QCNW-A553WJZZ) for service.
3. Remove the FFC for connection between Main unit (SC1203) and LCD panel unit, and connect the extended
cable (QCNW-A556WJZZ) for service.
4. Remove the FFC for connection between Main unit (SC1202) and LCD panel unit, and connect the extended
cable (QCNW-A555WJZZ) for service.
5. Remove the main unit fixing screws (3 pcs.), a substrate is reversed.
Precautions at the time of the side B(back) service of Inverter unit.
6. Remove only P6706 of the cable for connection between Inverter unit (P6706) and Sub unit(P3604), and connect
the extended cable (QCNW-B749WJQZ) for service.
7. Remove the Inverter unit fixing screws (3 pcs.), a substrate is reversed.
Inverter
(Side B)
Step
1 QCNW-A556WJZZ
2 QCNW-A553WJZZ
3 QCNW-A556WJZZ
4 QCNW-A555WJZZ
6 QCNW-B749WJQZ
P6706
6
7
PWB
Inverter PWB
Part No.
Extension Cable 50-pin Main (SC2001)-Sub (SC3401)
Extension Cable 30-pin Main (SC1204)-LCD Panel
Extension Cable 50-pin Main (SC1203)-LCD Panel
Extension Cable 20-pin Main (SC1202)-LCD Panel
Extension Cable 10-pin Inverter (P6706)-Sub(P3604)
Sub PWB
P3604
P3701
P3801
SC3401
1
P1201 P701
SC1204
Main PWB
2
SC2001
(Side B)
SC1203 SC1202 P2001
4
3
P4001
R/C, LED PWB
Description
12
5