Read Sharp LC-37GA5E (serv.man6) Service Manual online
36
LC-26GA5E
LC-32GA5E
LC-32GA5E
LC-37GA5E
No audio output (2) (On the reception of TV broadcasting, audio from the EXT.
terminal to the external device)
terminal to the external device)
No audio output from EXT1 Terminal.
No audio output from EXT2 and EXT3
Terminals.
Terminals.
YES
Is output (A-OUT-L/R) of Pins
(120)(119) of IC1001 (VCTI) normal?
(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
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
Check (Q1012, Q1406, Q1408) and
(Q1013, Q1403, Q1404) of the S-Mute
circuit.
(Q1013, Q1403, Q1404) of the S-Mute
circuit.
YES
Is output (A-OUT-L/R) of Pins
(122)(121) of IC1001 (VCTI) normal?
(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?.
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.
2S-Mute circuit and 2S-MUTE-LINE.
Troubleshooting Table (continued)
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