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Repair Process-Reference data
PDP TV
Symptom
P811
① Check soldering status on each major component.
② Check there is problem on major component or not by eye.
(CONDENSER, FET, IC, Resistor)
③ Check FUSE.
④ Check 5V,Va,Vs voltage
※ PSU Maker: 1) LGIT 2) LITEON 3) YUYANG
※ If happen Power board Protection,
check whether there is Short or Open on Y-SUS, Z-SUS B/D or not.
Copyright © 2011 LG Electronics Inc. All rights reserved.
Only for training and service purposes
B. Power Problem
Power board Checking Method
Vs adjust
SC101
▣ Checking Method
Power B/D↔ Y-Sus B/D(P811)
PIN
1
2
Va adjust
3
4
5
6
7
P813
Va Voltage ADJ
Vs Voltage ADJ
A23
Making
Revision
◆ Check 5V,Va,Vs voltage
: For Voltage specification,
refer to the PDP Module Label.
NAME
VS
VS
NC
GND
GND
VA
M5V
◆ Adjust Va,Vs voltage.
- value
Adjust way
A23
+ value
LGE Internal Use Only
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