Sharp LC-32GA6E Service Manual page 44

LC-26GA6E/LC-26BV6E
LC-26GA5E
LC-32GA6E/LC-32BV6E
LC-32GA5E
LC-37GA6E
Troubleshooting Table (continued)
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No audio output (2) (On the reception of TV broadcasting, audio from the EXT.
terminal to the external device)
No audio output from EXT1 Terminal.
Is output (A-OUT-L/R) of Pins
(122)(121) of IC1001 (VCTI) normal?
YES
Are the signals (A-OUT-L/R) between
pins (122)(121) of IC1001 and pins
(1)(3) of SCART1 (SC1451) normal?.
YES
Check Q1011, Q1004 and Q1005 of the
2S-Mute circuit and 2S-MUTE-LINE.
No audio output from EXT2 and EXT3
Terminals.
Is output (A-OUT-L/R) of Pins
(120)(119) of IC1001 (VCTI) normal?
YES
Are the signals between pins (120)(119)
of IC1001 and pins (1)(3) of SCART2
(SC1452) normal?. Are the signals
between pins (120)(119) of IC1001 and
pins (5)(8) of SCART3 (J401) normal?.
IC1402
YES
Check (Q1012, Q1406, Q1408) and
(Q1013, Q1403, Q1404) of the S-Mute
circuit.
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