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Vs Adjustment
(VR901)
Va Adjustment
(VR502)
Making
Revision
PDP TV
Symptom
Repair Process-Reference data
Power board Checking Method
A23
B. Power Problem
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.
▣ Checking Method
Va Voltage ADJ
- value
+ value
Adjust way
◆ Check 5V,Va,Vs voltage
: For Voltage specification,
refer to the PDP Module Label.
Vs Voltage ADJ
◆ Adjust Va,Vs voltage.
A23
Power B/D↔ Y-Sus B/D(P811)
P813
A3
2010. 12 . 24
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