12
LC-20B5M
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Precautions in servicing the B side (backside) of the main PWB unit
1. Disconnect the FFC (flat cable) from between the main PWB (SC1204) and the liquid crystal panel, and then
connect the service-specific extension FFC (flat cable) (QCNW-A556WJZZ).
2. Disconnect the FFC (flat cable) from between the main PWB (SC1201) and the liquid crystal panel, and then
connect the service-specific extension FFC (flat cable) (QCNW-A555WJZZ).
3. Disconnect only the SC1202 of the FFC (flat cable) from between the main PWB (SC1202) and the liquid crystal
panel, and then connect the service-specific extension FFC (flat cable) (QCNW-B784WJZZ).
4. Disconnect the P701 side of the lead from between the main PWB (P701) and the analog PWB, and then
connect the service-specific extension cord (QCNW-C086WJQZ).
5. Disconnect the FFC from between the main PWB (SC2001) and the analog PWB (SC3403), and then connect
the service-specific extension FFC (flat cable) (QCNW-A556WJZZ).
6. Disconnect the lead from between the main PWB (P2006) and the analog PWB (P1601), and then connect the
service-specific extension cord (QCNW-C498WJQZ).
7. Remove the lock screws from the main PWB, detach the PWB from the chassis frame, and then turn it over to
service.
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Precautions in servicing the inverter PWB unit (backside)
8. Disconnect only the P3703 side of the lead from between the inverter PWB (P6706) and the analog PWB
(P3703), and then connect the service-specific extension cord (QCNW-C086WJQZ).
9. Remove the lock screws from the inverter PWB, detach the PWB (be careful not to get close to the high-tension
area and its surrounding conductive parts), and then turn it over to service.
Step
Part No.
Description
1
QCNW-A556WJZZ
Extension Cable 50-pin Main (SC2004)-LCD panel
2
QCNW-A555WJZZ
Extension Cable 20-pin Main (SC1201)-LCD Panel
3
QCNW-B784WJZZ
Extension Cable 30-pin Main (SC1202)-LCD Panel
4
QCNW-C086WJQZ
Extension Cable 10-pin Main (P701)-Analog (P3201)
5
QCNW-A556WJZZ
Extension Cable 50-pin Main (SC2001)-Analog (SC3403)
6
QCNW-C498WJQZ
Extension Cable 15-pin Main (P2006)-Analog (P1601)
8
QCNW-C086WJQZ
Extension Cable 10-pin Main (P6706)-Analog (P3703)
CN2
SC1202
P701
SC1201
SC3403
P6706
P3703
P3201
SC1204
SC2001
CN3
P1601
P2006
Main PWB
Inverter PWB
3
4
5
6
1
2
8
Analog PWB
Inverter
PWB
(Side-B)
7
9
Main PWB
(Side-B)
Содержание AQUOS LC-20B5M
Страница 30: ...33 LC 20B5M 32 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H OVERALL WIRING DIAGRAM ...
Страница 32: ...35 LC 20B5M 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM Ë CONTROL Unit ...
Страница 33: ...37 LC 20B5M 36 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 1 12 ...
Страница 34: ...39 LC 20B5M 38 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 2 12 ...
Страница 35: ...41 LC 20B5M 40 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 3 12 ...
Страница 36: ...43 LC 20B5M 42 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 4 12 ...
Страница 37: ...45 LC 20B5M 44 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 5 12 ...
Страница 38: ...47 LC 20B5M 46 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 6 12 ...
Страница 39: ...49 LC 20B5M 48 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 7 12 ...
Страница 40: ...51 LC 20B5M 50 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 8 12 ...
Страница 41: ...53 LC 20B5M 52 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 9 12 ...
Страница 42: ...55 LC 20B5M 54 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 10 12 ...
Страница 43: ...57 LC 20B5M 56 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 11 12 ...
Страница 44: ...59 LC 20B5M 58 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 12 12 ...
Страница 45: ...61 LC 20B5M 60 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë ANALOG Unit 1 5 LC 20B5M ...
Страница 46: ...63 LC 20B5M 62 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë ANALOG Unit 1 5 LC 20B5M X ...
Страница 47: ...65 LC 20B5M 64 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë ANALOG Unit 2 5 ...
Страница 48: ...67 LC 20B5M 66 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë ANALOG Unit 3 5 ...
Страница 49: ...69 LC 20B5M 68 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë ANALOG Unit 4 5 ...
Страница 50: ...71 LC 20B5M 70 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë ANALOG Unit 5 5 ...
Страница 51: ...72 LC 20B5M 6 5 4 3 2 1 A B C D E F G H Ë R C LED Unit ...
Страница 52: ...73 LC 20B5M 6 5 4 3 2 1 A B C D E F G H Ë CARD LED Unit ...
Страница 53: ...74 LC 20B5M 6 5 4 3 2 1 A B C D E F G H Ë INVERTER Unit ...
Страница 57: ...81 LC 20B5M 80 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ANALOG Unit Side A ...