Table of Contents
Advertisement
Standard Repair Process
Error
symptom
☞A17
Check
Power
LED
LED On?
. Stand-By: Red or Turn On
N
. Operating: Turn Off
Check Power cord
was inserted properly
Normal?
Y
Close
B. Power error
No power
DC Power on
Y
by pressing Power Key
On Remote control
N
Check ST-BY 3.5V
☞A18
Established
Revised date
Normal
operation?
Y
Measure voltage of each output of Power B/D
Y
Normal
voltage?
Normal
voltage?
Y
N
Replace Power B/D
N
Replace Power
B/D
6
date
☞A18
N
Check Power
OK?
On '"High"
Replace Main B/D
☞A18
Y
Replace Main B/D
Copyright © 2019 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
6/14
Replace
Y
Power
B/D
Advertisement
Table of Contents
