LG 50PT350 Service Manual page 32

Repair Process
PDP TV
Symptom
※ To check Power B/D Protection
Instant
Turn off
Turn off
Under watching
B. Power Problem
Turn off (Instant, under watching)
Turn on after pull out connector
between Power B/D & Y-Sus
☞A24
N
Check
"Off Timer"
Power Off History
Set?
Y
"Off timer"
Function off
☞A8~A11
1. Check Y-Sus/ Z-Sus Board
Y
Power LED
(especially Short or Open)
Blue?
2. Replace defective B/D
N
☞A23
Check Power B/D
Replace Power B/D
RCU Off
KEY Off
2HOUR Off
NO Signal Off
Don't appear
Power Off History
7
Making 2010. 11. 16
Revision
This is not problem
Normal operation
Move
No Power problem
Section
ⓒ LG Electronics. Inc.2010
전자 - 6-2
7/10