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.
Summary of Contents for LC-20SH1M
Page 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 ...
Page 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 ...
Page 33: ...33 17 16 19 18 15 14 13 12 11 10 LC 20SH1M LC 20SH1X ...
Page 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 ...
Page 35: ...35 17 16 19 18 15 14 13 12 11 10 LC 20SH1M LC 20SH1X Note SUB 3 does not use it ...
Page 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 ...
Page 37: ...37 17 16 19 18 15 14 13 12 11 10 LC 20SH1M LC 20SH1X ...
Page 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 ...
Page 39: ...39 17 16 19 18 15 14 13 12 11 10 LC 20SH1M LC 20SH1X ...
Page 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 ...
Page 41: ...41 17 16 19 18 15 14 13 12 11 10 LC 20SH1M LC 20SH1X ...
Page 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 ...
Page 43: ...43 17 16 19 18 15 14 13 12 11 10 LC 20SH1M LC 20SH1X ...
Page 44: ...44 6 5 4 3 2 1 A B C D E F G H LC 20SH1M LC 20SH1X Ë OPERATION Unit ...
Page 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 ...
Page 59: ...59 17 16 19 18 15 14 13 12 11 10 LC 20SH1M LC 20SH1X ...
Page 73: ...73 LC 20SH1M LC 20SH1X PACKING OF THE SET S4 S2 X4 X5 X6 X3 X1 X2 S3 S5 S3 S1 R L ...