Sharp LC-32LE265T

LC-32LE265T / LC-40LE265T
4 – 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
CON?2071CIfo)6(niptatupnilangisoiduaerehtsI 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 IC
1702 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
?