LG 32LH550B - Page 50

Check and replace
speaker and conne
ctor
Connect and check
other external devic
e
Y
Check and fix external device
Replace Adaptor
N
Y
Check input si
gnal
-RF
-External Input
(When RF signal is not re
ceived)
Request repair to external
cable/ANT provider
Y
Check Voltage 19V
of Adaptor
(In case of Extern
al Input signal err
or)
Check and fix ext
ernal device
Replace Main B/D
N
☞A13
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 Ex
ternal Input
N
Replace Main B/D
LCD TV
Error Symptom C. Audio Error Established date 2016.01.29
10/14
Content Wrecked audio / Discontinuation / Noise Revised date
Standard Repair Process