Sharp LC-32LE350M - Troubleshooting No Audio (HDMI Input)

LC-32LE350M
7 – 6
No audio heard (3)
No HDMI sound heard. <INPUT 1>
(*INPUT 1 is digital audio.)
neercsnooedivtupnilanretxeoNni>1TUPNI<“otrefeRON?neercsnoraeppaegamiIMDHehtseoD
(HDMI)”.
YES
.tonronettirwsiDIDEfitikcehCON>1TUPNI<morftuptuooiduaoN
YES
Are waveforms input in to the pin(3-6), (8), (9), (11), (12)
of IC3301 normally?
NO Check peripheral circuits IC3301.
YES
ON?1071CIfo)6(niptatupnilangisoiduaerehtsI Check connection between IC3301 and IC1701 and its periph-
eral circuits.
YES
Is the L-ch audio signal output at pin(26), (27) ,(30), (31) NO Check IC1701 and its peripheral circuits.
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.
of IC1701 normal?
Is the R-ch audio signal output at pin(10),(11),(14),(15)