→ abnormal audio/discontinuation/noise is same after “Check input signal” compared to No audio
C. Audio error
Wrecked audio / discontinuation / noise
Check and replace
speaker and
connector
Connect and check
other external
device
Y
Check and fix external device
Replace Power B/D
N
Y
Check input
signal
-RF
-External Input
signal
(When RF signal is not
received)
Request repair to external
cable/ANT provider
Y
Replace Main B/D
N
Established
date
Revised date
10/14
Standard Repair Process
☞
A16
End
Signal
Normal
Normal
Voltage
Normal
Audio
Wrecked Audio/
Discontinuation/Noise
for all audio
Wrecked Audio/
Discontinuation/Noise
only for D-TV
Wrecked Audio/
Discontinuation/Noise
only for Analog
Wrecked Audio/
Discontinuation/Noise
only for External Input
N
Replace Main B/D
Error symptom
Copyright © 2015 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
Содержание 43LF5400
Страница 42: ......