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Standard Repair Process
Error Symptom
Content
Check input
signal
Signal
-RF
Normal
-External Input
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Only for training and service purposes
Wrecked audio / Discontinuation / Noise
Y
Wrecked Audio/
Discontinuation/Noise
for all audio
N
Wrecked Audio/
Discontinuation/Noise
only for D-TV
Wrecked Audio/
Discontinuation/Noise
only for Analog
Wrecked Audio/
Discontinuation/Noise
only for External Input
(When RF signal is not received)
Request repair to external
cable/ANT provider
(In case of External Input
signal error)
Check and fix external device
C. Audio Error
Check and replace
speaker and
connector
Replace Main B/D
Connect and check
other external
device
Established date
Revised date
☞A13
Check Voltage 19V
of Adaptor
Y
Normal
Voltage
N
Replace Adaptor
N
Normal
Replace Main B/D
Audio
Y
Check and fix external device
2015.04.17
10/14
End
LGE Internal Use Only
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