LC-32D41U/LC-32M41U/LC-40C32U
6 – 3
No audio output from external input
<<INPUT-1>>
Is L-ch audio signal fed from pin 12 of input terminal J501 to pin 53 of IC1403?
Is R-ch audio signal fed from pin 18 of input terminal J501 to pin 54 of IC1403?
<<INPUT-2>>
Is L-ch audio signal fed from pin 10 of input terminal J501 to pin 57 of IC1403?
Is R-ch audio signal fed from pin 16 of input terminal J501 to pin 58 of IC1403?
<<HDMI>> [INPUT-3/INPUT4 (Digital audio mode)]
Is digital audio signal (HDMI_SPDIF) fed from pin 70 of IC1508 to pin 2 of IC1401?
<<HDMI>> [INPUT-4 (Analog audio mode)]
Is L-ch audio signal fed from pin 3 of input terminal J1501 to pin 59 of IC1403?
Is R-ch audio signal fed from pin 2 of input terminal J1501 to pin 60 of IC1403?
<<INPUT-5>>
Is L-ch audio signal fed from pin 2 of input terminal J1502 to pin 55 of IC1403?
Is R-ch audio signal fed from pin3 of input terminal J1502 to pin 56 of IC1403?
YES
No audio output during digital broadcasting reception
Are the I2S signals MCLK, SCLK, LRCK, and DATA sent
from pins N22, N19, N21 and M20 of IC8101 (PH1) nor-
mally?
NO
Check around IC8101 PH1.
YES
Are input signals of pins 24 (MCLK), 11 (SCLK), 10
(LRCK), 32 (DATA) of IC1403 normal?
NO
Check the circuits between pins N22, N19, N21 and M20 of
IC8101 PH1 and pins 24, 11, 10 and 32 of IC1403.
YES
Are audio signals from pins 29 and 30 (SC2_OUTL/R) of IC1401
to pins 51 and 52 of IC1403 (CODEC) normal?
NO
Check between pins 29 and 30 (SC2_OUTL/R) of IC1401 and
pins 51 and 52 of IC1403 (CODEC).
YES
Are audio outputs (A-OUT_L/R) of pins 38 and 39 of IC1403 nor-
mal?
NO
Are the LRCK, BICK, SDTO and SDTI signals sent from IC1403
to IC1406 (DSP) normally?
YES
YES
Check IC1403 and peripheral circuits.
Is audio input from pins 38 and 39 of IC1403 to pins 11 and 15 of
IC2701(STEREO_AMP) normal?
NO
Check the circuits between pins 38 and 39 of IC1403 and pins 11
and 15 of IC2701. (MUTE circuits: Q1306-8)
YES
Is audio output from IC2701 normal?
NO
Check IC2701 and peripheral circuits.
YES
Is the speaker switching circuit (T2701)
YES
Check the connector (P2703) of AV_UNIT and around the speak-
ers.
Содержание Aquos LC32D41U
Страница 13: ...LC 32D41U LC 32M41U LC 40C32U 4 3 10 Disconnect all the connectors from all the PWBs ...
Страница 49: ...LC 32D41U LC 32M41U LC 40C32U 9 2 10 11 12 13 14 15 16 17 18 19 ...
Страница 52: ...LC 32D41U LC 32M41U LC 40C32U 9 5 LC 32D41U A C B D E F G H 1 2 3 4 5 6 7 8 9 10 MAIN Unit Side B LC 32D41U ...
Страница 53: ...LC 32D41U LC 32M41U LC 40C32U 9 6 10 11 12 13 14 15 16 17 18 19 ...
Страница 57: ...LC 32D41U LC 32M41U LC 40C32U 9 10 10 11 12 13 14 15 16 17 18 19 ...
Страница 61: ...LC 32D41U LC 32M41U LC 40C32U 9 14 10 11 12 13 14 15 16 17 18 19 ...
Страница 64: ...LC 32D41U LC 32M41U LC 40C32U 9 17 2 IF Unit A C B D E F G H 1 2 3 4 5 6 IF Unit Side A ...
Страница 68: ...LC 32D41U LC 32M41U LC 40C32U 10 2 2 MAIN Unit MAIN Unit 1 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 69: ...LC 32D41U LC 32M41U LC 40C32U 10 3 10 11 12 13 14 15 16 17 18 19 ...
Страница 70: ...LC 32D41U LC 32M41U LC 40C32U 10 4 MAIN Unit 2 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 71: ...LC 32D41U LC 32M41U LC 40C32U 10 5 10 11 12 13 14 15 16 17 18 19 ...
Страница 72: ...LC 32D41U LC 32M41U LC 40C32U 10 6 MAIN Unit 3 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 73: ...LC 32D41U LC 32M41U LC 40C32U 10 7 10 11 12 13 14 15 16 17 18 19 ...
Страница 74: ...LC 32D41U LC 32M41U LC 40C32U 10 8 MAIN Unit 4 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 75: ...LC 32D41U LC 32M41U LC 40C32U 10 9 10 11 12 13 14 15 16 17 18 19 ...
Страница 76: ...LC 32D41U LC 32M41U LC 40C32U 10 10 MAIN Unit 5 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 77: ...LC 32D41U LC 32M41U LC 40C32U 10 11 10 11 12 13 14 15 16 17 18 19 ...
Страница 78: ...LC 32D41U LC 32M41U LC 40C32U 10 12 MAIN Unit 6 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 79: ...LC 32D41U LC 32M41U LC 40C32U 10 13 10 11 12 13 14 15 16 17 18 19 ...
Страница 80: ...LC 32D41U LC 32M41U LC 40C32U 10 14 MAIN Unit 7 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 81: ...LC 32D41U LC 32M41U LC 40C32U 10 15 10 11 12 13 14 15 16 17 18 19 ...
Страница 82: ...LC 32D41U LC 32M41U LC 40C32U 10 16 MAIN Unit 8 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 83: ...LC 32D41U LC 32M41U LC 40C32U 10 17 10 11 12 13 14 15 16 17 18 19 ...
Страница 84: ...LC 32D41U LC 32M41U LC 40C32U 10 18 MAIN Unit 9 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 85: ...LC 32D41U LC 32M41U LC 40C32U 10 19 10 11 12 13 14 15 16 17 18 19 ...
Страница 86: ...LC 32D41U LC 32M41U LC 40C32U 10 20 MAIN Unit 10 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 87: ...LC 32D41U LC 32M41U LC 40C32U 10 21 10 11 12 13 14 15 16 17 18 19 ...
Страница 88: ...LC 32D41U LC 32M41U LC 40C32U 10 22 MAIN Unit 11 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 89: ...LC 32D41U LC 32M41U LC 40C32U 10 23 10 11 12 13 14 15 16 17 18 19 ...
Страница 90: ...LC 32D41U LC 32M41U LC 40C32U 10 24 MAIN Unit 12 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 91: ...LC 32D41U LC 32M41U LC 40C32U 10 25 10 11 12 13 14 15 16 17 18 19 ...
Страница 92: ...LC 32D41U LC 32M41U LC 40C32U 10 26 MAIN Unit 13 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 93: ...LC 32D41U LC 32M41U LC 40C32U 10 27 10 11 12 13 14 15 16 17 18 19 ...
Страница 94: ...LC 32D41U LC 32M41U LC 40C32U 10 28 MAIN Unit 14 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 95: ...LC 32D41U LC 32M41U LC 40C32U 10 29 10 11 12 13 14 15 16 17 18 19 ...
Страница 96: ...LC 32D41U LC 32M41U LC 40C32U 10 30 MAIN Unit 15 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 97: ...LC 32D41U LC 32M41U LC 40C32U 10 31 10 11 12 13 14 15 16 17 18 19 ...
Страница 98: ...LC 32D41U LC 32M41U LC 40C32U 10 32 MAIN Unit 16 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 99: ...LC 32D41U LC 32M41U LC 40C32U 10 33 10 11 12 13 14 15 16 17 18 19 ...
Страница 100: ...LC 32D41U LC 32M41U LC 40C32U 10 34 MAIN Unit 17 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 101: ...LC 32D41U LC 32M41U LC 40C32U 10 35 10 11 12 13 14 15 16 17 18 19 ...
Страница 102: ...LC 32D41U LC 32M41U LC 40C32U 10 36 MAIN Unit 18 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 103: ...LC 32D41U LC 32M41U LC 40C32U 10 37 10 11 12 13 14 15 16 17 18 19 ...
Страница 104: ...LC 32D41U LC 32M41U LC 40C32U 10 38 MAIN Unit 19 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 105: ...LC 32D41U LC 32M41U LC 40C32U 10 39 10 11 12 13 14 15 16 17 18 19 ...
Страница 106: ...LC 32D41U LC 32M41U LC 40C32U 10 40 MAIN Unit 20 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 107: ...LC 32D41U LC 32M41U LC 40C32U 10 41 10 11 12 13 14 15 16 17 18 19 ...
Страница 108: ...LC 32D41U LC 32M41U LC 40C32U 10 42 MAIN Unit 21 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 109: ...LC 32D41U LC 32M41U LC 40C32U 10 43 10 11 12 13 14 15 16 17 18 19 ...
Страница 110: ...LC 32D41U LC 32M41U LC 40C32U 10 44 MAIN Unit 22 22 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 111: ...LC 32D41U LC 32M41U LC 40C32U 10 45 10 11 12 13 14 15 16 17 18 19 ...
Страница 112: ...LC 32D41U LC 32M41U LC 40C32U 10 46 3 IF Unit IF Unit 1 2 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 113: ...LC 32D41U LC 32M41U LC 40C32U 10 47 10 11 12 13 14 15 16 17 18 19 ...
Страница 114: ...LC 32D41U LC 32M41U LC 40C32U 10 48 IF Unit 2 2 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 115: ...LC 32D41U LC 32M41U LC 40C32U 10 49 10 11 12 13 14 15 16 17 18 19 ...
Страница 116: ...LC 32D41U LC 32M41U LC 40C32U 10 50 4 R C LED Unit A C B D E F G H 1 2 3 4 5 6 ...
Страница 117: ...LC 32D41U LC 32M41U LC 40C32U 10 51 5 KEY Unit A C B D E F G H 1 2 3 4 5 6 ...
Страница 118: ...LC 32D41U LC 32M41U LC 40C32U 10 52 MEMO ...