Standard Repair Process
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| Error | C. Audio error | Established | 2012. 01 .14 |
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| LCD TV | date |
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| symptom | No audio/ Normal video | Revised date |
| 9/14 | |
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No audio Screen normal
☞A15
Check user menu > Speaker off
N
Off
Y
Cancel OFF
☞A16
Check audio B+ | Normal | Y |
24V of Power |
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voltage |
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Board |
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N
Replace Power Board and repair parts
Check |
| N | |
| Disconnection | ||
Speaker |
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disconnection |
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| Y | |
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| Replace Speaker |
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Replace MAIN Board
End
Copyright © 2012 LG Electronics. Inc. All rights reserved. | LGE Internal Use Only |
Only for training and service purposes |
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