LC-32LE265T / LC-40LE265T
4 – 5
No audio heard (2)
No external audio heard
Is there the L-ch audio signal input from pin (7) of input terminal
J502 to pin (U4) of IC3301?
Is there the R-ch audio signal input from pin (5) of input terminal
J502 to pin (U5) of IC3301?
Is there the L-ch audio signal input from pin (13) of input terminal
J502 to pin (T6) of IC3301?
Is there the R-ch audio signal input from pin (11) of input terminal
J502 to pin (T7) of I C3301?
YES
Is there the I2S signal output at pin ( J19),(J20) of IC3301 ?
NO
Check IC3301 and its peripheral circuits.
YES
O
N
?
2
0
7
1
C
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6
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I
Check connection between IC3301 and IC1702 and its periph-
eral circuits.
YES
Is the L-ch audio signal output at pin(26), (27) ,(30),(31) of
IC1702 normal ?
NO
Check IC1702 and its peripheral circuits.
Is the R-ch audio signal output at pin(10), (11),(14),(15) of
IC1702 normal ?
YES
Are the audio signal L-ch and R-ch output at (3)/(4) and (1)/(2) of
P1701 normal?
NO
Check circuit between IC1702 & P1701.
YES
Check speakers and their peripheral circuits.
< INPUT 5 >
< INPUT 4 >
