Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes LGE Internal Use Only

B. Power error

No power
Power LED
On?
Y
N
DC Power on
by pressing Power Key
On Remote control
Y
N
Normal
operation? Check Power
On ‘”High”
Check Power cord
was inserted properly
Check
Power LED
Replace
Power
B/D
Measure voltage of each output of Power B/D
N
Y
Normal
voltage? Replace Main B/D
Y
OK?
Replace Main B/D
N
Y
Normal?
Check ST-BY 3.5V
Replace Power B/D
N
Y
Normal
voltage?
Replace Power
B/D
Y

☞A11

☞A12

☞A13

☞A4

Standard Repair Process
Established
date
Revised date 7/14
LCD TV Error
symptom
. Stand-By: Red

※

Close
2013. 01 .09