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Standard Repair Process
LCD TV
symptom
☞A17
Check
Power LED
Logo LED
. Stand-By: Red or Turn On
. Operating: Turn Off
Check Power cord
Check Power cord
was inserted properly
Normal?
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Only for training and service purposes
B. Power error
Error
Y
On?
N
N
Y
※
Close
Check ST-BY 3.5V
☞A18
No power
No power
DC Power on
DC Power on
by pressing Power Key
On Remote control
Measure voltage of each output of Power B/D
Y
Normal
Y
voltage?
Replace Power B/D
N
Replace Power
B/D
6
Established
2013.01.31
date
Revised date
Revised date
☞A18
N
N
Normal
Check Power
operation?
On '"High"
Y
☞A18
Y
Normal
Replace Main B/D
voltage?
g
N
6/16
6/16
R
Replace
l
Y
OK?
Power
B/D
Replace Main B/D
Replace Main B/D
LGE Internal Use Only
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