LC-20S5U
30
TROUBLE SHOOTING TABLE
No
Yes
Yes
No
Yes
Yes
No
No
Is power cable properly connected to the main unit?
Connect the power cable properly, and turn on the power.
Is there any faulty part or short-circuit in these line?
No
Is F7701 normal?
Replace F7701, turn on the power. If the fuse is still blown,
replace VA7701, D7734 and repeat the check.
Yes
Remove the faulty part or short-circuit, and repeat the check.
No
Is SIG_VCC & INV_VCC line normal?
Yes
Reconnect the wire harness, FFC, etc. in the set, and repeat
the check.
Check T7702 and its peripheral
Is pin (42) of IC2001
at "H"?
Check the line in
question, IC2001 and
its peripheral circuits.
Check the line in
question, IC801 and
its peripheral circuits.
Is pin (187) of IC801 at
"H" or with pulse
signal?
Check the built-in AC
power unit, inverter unit
and fluorescent lamp,
and replace as required.
No video and audio output (no power supply)
Make sure the microprocessor's adjustment process menu settings are as specified.
Fluorescent lamp light-up failure
Содержание Aquos LC-20S5U
Страница 39: ...41 6 5 4 3 2 1 A B C D E F G H LC 20S5U SCHEMATIC DIAGRAM ËINVERTER Unit ...
Страница 40: ...43 LC 20S5U 42 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 1 9 ...
Страница 41: ...45 LC 20S5U 44 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 2 9 ...
Страница 42: ...47 LC 20S5U 46 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 3 9 ...
Страница 43: ...49 LC 20S5U 48 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 4 9 ...
Страница 44: ...51 LC 20S5U 50 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 5 9 ...
Страница 45: ...53 LC 20S5U 52 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 6 9 ...
Страница 46: ...55 LC 20S5U 54 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 7 9 Note MAIN 8 does not use it ...
Страница 47: ...57 LC 20S5U 56 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 9 9 ...
Страница 48: ...59 LC 20S5U 58 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËSUB Unit 1 6 ...
Страница 49: ...61 LC 20S5U 60 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËSUB Unit 2 6 ...
Страница 50: ...63 LC 20S5U 62 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËSUB Unit 3 6 ...
Страница 51: ...65 LC 20S5U 64 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËSUB Unit 4 6 ...
Страница 52: ...67 LC 20S5U 66 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËSUB Unit 5 6 ...
Страница 53: ...69 LC 20S5U 68 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËSUB Unit 6 6 ...
Страница 54: ...70 6 5 4 3 2 1 A B C D E F G H LC 20S5U ËR C LED Unit ...
Страница 56: ...73 72 LC 20S5U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MAIN Unit Side A ...
Страница 58: ...77 76 LC 20S5U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MAIN Unit Side B ...
Страница 60: ...81 80 LC 20S5U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SUB Unit Wiring Side QPWBFD674WJN1 ...
Страница 76: ...99 LC 20S5U PACKING OF THE SET S6 S1 S2 S4 X2 R S5 X1 X4 X5 X3 L S3 S3 ...