LG M2794D - Page 23

- 23 -
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8. All Source Audio Trouble Shooting
Make sure yo u can’t hear any audi o
and Device sup port the au di o sig nal
norm ally .
Check Speaker and it s w ire
con nectio n (P500)
And the resistance
Check Sig nal from IC501
L502, L503, L504, L505
Y
Replace IC 500
N
Check 15V From Po wer board
(P700, Pin#1,2)
And Check Aud io Amp Pow er 12V
(IC501, Pin#2, 3, 34, 35, 40, 41, 44, 45)
Y
Replace P ower Board or Check
L511
N
Y
Check Sig nal from IC101
(R130, R131, R1021, R1022)
Y
Replace IC 101
N
Replace co nnector or Speaker
N