LG 42LS570T Service Manual

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
N
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
☞A17
☞A18
☞A19
☞A4
Standard Repair Process
Established
date
Revised date
6/13
LCD TV
Error
symptom
. Stand-By: Red
. Operating: white
※
Close
2010. 12 .14
Copyright © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only

LG 42LS570T Specifications

General

Brand	LG
Model	42LS570T
Category	LCD TV
Language	English