LC-32LE155D2 / LC-39LE155D2
5 – 7
No audio heard (4)
No sound from the HDMI sound input terminal.
(INPUT 1 analog audio)
YES
Is there the L-ch audio signal input from pin (2) of external input
terminal J506 (HDMI AUDIO IN) to pin (U3 ) of IC3301?
Is there the R-ch audio signal input from pin (3) of external input
terminal J506 (HDMI AUDIO IN) to pin (U1) of IC3301?
YES
NO
Check peripheral circuits of IC3301.
YES
C
O
N
?
2
0
7
1
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6
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I
heck connection between IC3301 and IC1702 and its periph-
eral circuits.
YES
Is the L-ch audio signal output at pin(26),(27),(30),(31)
NO
Check IC1702 and its peripheral circuits.
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.
of IC1702 normal?
Is the R-ch audio signal output at pin(10),(11),(14),(15)
Are 12S signal output from the pins ( J19 )
,(J20 ) of IC3301 normally
?
Summary of Contents for LC-32LE155D2
Page 22: ...LC 32LE155D2 LC 39LE155D2 7 2 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 MAIN UNIT B CHIP ...
Page 23: ...LC 32LE155D2 LC 39LE155D2 7 3 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 MAIN UNIT A SYMBOL ...
Page 24: ...LC 32LE155D2 LC 39LE155D2 7 4 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 MAIN UNIT B SYMBOL ...
Page 71: ...LC 32LE155D2 LC 39LE155D2 24 ...
Page 72: ...LC 32LE155D2 LC 39LE155D2 25 ...
