25
LC-20SH1M
LC-20SH1X
TROUBLE SHOOTING TABLE
(Continued)
No
No
No
Yes
No Sound (2/2)
Check all the settings microprocessor's adjust process menu
TV sound failure
INPUT1 sound failure
INPUT2 sound failure
Check IC501 and its
peripheral parts.
Is output at pins (C17)
and (D17) of IC501
normal?
Check the DR, DL
lines and its
peripheral parts.
Is input at pins (F24)
and (F25) of IC501
normal?
Check the SF202 and
its peripheral parts.
Is input/output of
SF202 normal?
Check the IC501 and
its peripheral parts.
Содержание LC-20SH1M
Страница 31: ...31 6 5 4 3 2 1 A B C D E F G H LC 20SH1M LC 20SH1X SCHEMATIC DIAGRAM Ë INVERTER Unit ...
Страница 32: ...32 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20SH1M LC 20SH1X Ë SUB Unit 1 4 ...
Страница 33: ...33 17 16 19 18 15 14 13 12 11 10 LC 20SH1M LC 20SH1X ...
Страница 34: ...34 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20SH1M LC 20SH1X Ë SUB Unit 2 4 ...
Страница 35: ...35 17 16 19 18 15 14 13 12 11 10 LC 20SH1M LC 20SH1X Note SUB 3 does not use it ...
Страница 36: ...36 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20SH1M LC 20SH1X Ë SUB Unit 4 4 ...
Страница 37: ...37 17 16 19 18 15 14 13 12 11 10 LC 20SH1M LC 20SH1X ...
Страница 38: ...38 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20SH1M LC 20SH1X Ë MAIN Unit 1 3 ...
Страница 39: ...39 17 16 19 18 15 14 13 12 11 10 LC 20SH1M LC 20SH1X ...
Страница 40: ...40 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20SH1M LC 20SH1X Ë MAIN Unit 2 3 ...
Страница 41: ...41 17 16 19 18 15 14 13 12 11 10 LC 20SH1M LC 20SH1X ...
Страница 42: ...42 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20SH1M LC 20SH1X Ë MAIN Unit 3 3 ...
Страница 43: ...43 17 16 19 18 15 14 13 12 11 10 LC 20SH1M LC 20SH1X ...
Страница 44: ...44 6 5 4 3 2 1 A B C D E F G H LC 20SH1M LC 20SH1X Ë OPERATION Unit ...
Страница 45: ...45 6 5 4 3 2 1 A B C D E F G H LC 20SH1M LC 20SH1X Ë R C LED Unit ...
Страница 59: ...59 17 16 19 18 15 14 13 12 11 10 LC 20SH1M LC 20SH1X ...
Страница 73: ...73 LC 20SH1M LC 20SH1X PACKING OF THE SET S4 S2 X4 X5 X6 X3 X1 X2 S3 S5 S3 S1 R L ...