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LC-32LE240M/340M(1stEdition)
No external audio heard
<INPUT 2>
Is there the L-ch audio signal input from pin (7) of input terminal
J502 to pin (47) of IC3301?
Is there the R-ch audio signal input from pin (5) of input terminal
J502 to pin (48) of IC3301?
<INPUT 3>
Is there the L-ch audio signal input from pin (13) of input terminal
J502 to pin (49) of IC3301?
Is there the R-ch audio signal input from pin (11) of input terminal
J502 to pin (50) of IC3301?
Is there the I2S signal output at pin (80), (81) of IC3301?
Is there audio signal input at pin(6) of IC1701?
Is the L-ch audio signal output at pin(28), (30) of IC1701 normal?
Is the R-ch audio signal output at pin(12), (14) of IC1701 normal?
Are the audio signal L-ch and R-ch output at (3)/(4) and (1)/(2) of
P1701 normal?
Check speakers and their peripheral circuits.
No audio heard (2)
YES
YES
YES
YES
YES
NO
Check IC3301 and its peripheral circuits.
NO
Check connection between IC3301 and IC1701 and its periph-
eral circuits.
NO
Check IC1701 and its peripheral circuits.
NO
Check circuit between IC1701 & P1701.
5 – 5
- Quick Links:
- Service Manual
- Specifications
- Remote Control Unit
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