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Standard Repair Process
Error
LCD TV
symptom
☞A11
Check
Power
Power LED
LED On
Stand-By : Red
N
Check Power cord
was inserted properly
Normal
End
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2015 LG Electronics Inc. All rights reserved.
Only for training and service purposes
B. Power error
Y
N
☞A12
※
Y
Check ST-BY 3.5V
No power
DC Power on
by pressing Power Key
On Remote control
☞A4
Measure voltage of each output of Power B/D
Y
Normal
Voltage
N
Replace Power B/D
Replace Power B/D
Established
date
Revised date
☞A13
Normal
N
Check Power
Operati
On '"High"
on
Y
Replace Main B/D
Y
Normal
Replace Main B/D
Voltage
N
7/14
Replace
Y
OK
Power
B/D
LGE Internal Use Only
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