Sharp LC-26GA5F Service Manual page 38

LC-26GA5E
LC-26GA5E
LC-32GA5E
LC-32GA5E
Troubleshooting Table (continued)
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?
Are the signals (A-OUT-L/R) between
pins (122)(121) of IC1001 and pins
(1)(3) of SCART1 (SC1451) normal?.
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
YES
pins (5)(8) of SCART3 (J401) included
IC1402 normal?.
Check (Q1012, Q1406, Q1408) and
(Q1013, Q1403, Q1404) of the 2S-Mute
circuit.
38
YES
YES