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 I
C3301?
Is there the L-ch audio signal input from pin (13) of input terminal
J502 to pin (
T6) of I
C3301?
Is there
the R-ch au
dio 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
ON?2071CIfo)6(niptatupnilangisoiduaerehtsI 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.
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