LG 49UF6700 - AV No Sound

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LGE Internal Use Only
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Only for training and service purposes
11. AV No sound
Check AV cable
OK
Check audio signal L : R2802, C2803, R2810
R2815, C216
R : R2803, C2802, R2811
R2816, C219
NG
Replace audio signal component L : R2802, C2803, R2810
R2815, C216
R : R2803, C2802, R2811
R2816, C219
OK
Check Jack Audio signal L : R2802 R : R2803
Replace Jack JK2802
NG
Follow procedure
“9. All source audio”
OK