LG 47LB6500 - Page 109

Standard Repair Process Detail Technical Manual
TUNER checking part
A. Video error_Video error, video lag/stop
A9
Established
date
Revised
date
Error
symptom
Content
LCD TV
2013. 11 .30
<ALL MODELS>
date
Checking method:
1 Check the signal strength or check whether the screen is normal when the external device is connected
1
.
Check
the
signal
strength
or
check
whether
the
screen
is
normal
when
the
external
device
is
connected
.
2. After measuring each voltage from power supply, finally replace the MAIN BOARD.
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