Advertisement
Standard Repair Process
Error
LCD TV
symptom
☞A17
Check
Power
Power LED
LED On?
. Stand-By: Red
N
. Operating: white
Check Power cord
was inserted properly
Normal?
Y
Close
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
B. Power error
No power
DC Power on
Y
by pressing Power Key
On Remote control
※
Normal
Check ST-BY 3.5V
voltage?
☞A18
N
Replace Power
B/D
Revised date
N
Normal
operation?
Y
☞A4
Measure voltage of each
output of Power B/D
Y
Normal
voltage?
Y
N
Replace Power B/D
N
7
Established
2010. 12 .14
date
☞A19
Check Power
OK?
On '"High"
Replace Main B/D
Y
Replace Main B/D
7/14
Y
Replace
Power B/D
LGE Internal Use Only
Advertisement
