LC-24LE170I
7 – 6
No audio heard (3)
No HDMI sound heard. <INPUT 1>
(*INPUT1is digital audio.)
neercsnooedivtupnilanretxeoNni>1TUPNI<“otrefeRON?neercsnoraeppaegamiIMDHehtseoD
(HDMI)”.
YES
.DIDEehtkcehCON>1TUPNI<morftuptuooiduaoN
YES
ON4) (10) of IC1701?(niptatupnilangisoiduaerehtsI Check connection between IC3301 and IC1701 and its periph-
eral circuits.
YES
NO Check IC1701 and its peripheral circuits.
Is the R-ch audio signal output at pin(26),(27),(29),(30) of IC1701 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 IC1701&P1701.
YES
Check speakers and their peripheral circuits.
Is the L-
ch audio signal output at pin (20),(21),(23),(30) of IC1701 normal
YES
Are waveforms input in to the pins (pin 64 to 71) of IC3301 normally? NO Check peripheral circuits IC3301.
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