Standard Repair Process
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| Error | C. Audio error | Established | 2012. 01 .14 |
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| symptom | Wrecked audio/ discontinuation/noise | Revised date |
| 10/14 |
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→abnormal audio/discontinuation/noise is same after “Check input signal” compared to No audio
☞A16
Check input signal
Signal normal?
N
Y
(When RF signal is not received)
Wrecked audio/ | Check and replace | |
Discontinuation/ | ||
speaker and | ||
Noise for | ||
connector | ||
all audio | ||
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Wrecked audio/ Discontinuation/
Noise only Replace Main B/D for
Wrecked audio/ Discontinuation/ Noise only
for Analog
Check audio
B+ Voltage (24V)
Y
Normal
voltage?
N
Replace Power B/D
Request repair to external cable/ANT provider
(In case of External Input signal error) Check and fix external device
Wrecked audio/ Discontinuation/ Noise only
for External Input
Connect and check other external device
Normal audio?
Y
Replace Main B/D
N
End
Check and fix external device
Copyright © 2012 LG Electronics. Inc. All rights reserved. | LGE Internal Use Only |
Only for training and service purposes |
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