22
LC-13B4E
LC-15B4E
No sound (2/2)
Check all the settings microprocessor's adjust process menu.
Yes
No
No
No sound from SCART
No
SCART sound failure
Yes
No
Check IC1901 and its
peripheral parts.
Is output at pins (36) and (37) of
IC1901 normal?
Check IC1902 and its
peripheral parts.
Is output at pins (1) and (7) of
IC1902 normal?
Check their lines and their
peripheral parts.
Is input at pins (53) and (54) of
IC1901 normal?
Check IC1901 and its
peripheral parts.
Is output at pins (27) and (28) of
IC1901 normal?
Summary of Contents for AQUOS LC-13B4E
Page 16: ...27 LC 13B4E LC 15B4E 26 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H OVERALL WIRING DIAGRAM ...
Page 18: ...31 LC 13B4E LC 15B4E 30 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 1 7 ...
Page 19: ...33 LC 13B4E LC 15B4E 32 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 2 7 ...
Page 20: ...35 LC 13B4E LC 15B4E 34 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 3 7 ...
Page 21: ...37 LC 13B4E LC 15B4E 36 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 4 7 ...
Page 22: ...39 LC 13B4E LC 15B4E 38 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 5 7 ...
Page 23: ...41 LC 13B4E LC 15B4E 40 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 6 7 ...
Page 24: ...43 LC 13B4E LC 15B4E 42 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 7 7 ...
Page 25: ...45 LC 13B4E LC 15B4E 44 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 1 4 ...
Page 26: ...47 LC 13B4E LC 15B4E 46 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 2 4 ...
Page 27: ...49 LC 13B4E LC 15B4E 48 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 3 4 LC 13B4E ...
Page 28: ...51 LC 13B4E LC 15B4E 50 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 3 4 LC 15B4E ...
Page 29: ...53 LC 13B4E LC 15B4E 52 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 4 4 ...
Page 30: ...54 6 5 4 3 2 1 A B C D E F G H LC 13B4E LC 15B4E Ë INVERTER Unit ...