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Repair Process-Reference data
PDP TV
Symptom
▣ Check Method
① Check input voltages(5V, Va, Vs) at P103 connector.
② Check it is short or not between Vs and GND at P103 connector.
③ Check all of fuses open. (FS201, FS202, FS203, FS501)
④ Check voltage of diode , FET by using digital multi-meter.
▣ Measurement method
Diode
▣ Specifications
Position
Direction
HS601
Forward
Reverse
HS602
Forward
Reverse
HS603
Forward
Reverse
Copyright © 2011 LG Electronics Inc. All rights reserved.
Only for training and service purposes
A. Picture Problem
Y-Sus Board Checking Method(50R3)
FET
Circuit No.
D610
Q606,Q607
Q608,Q609
0.35V ~ 0.45V
0.45V~0.55V
0.45V~0.55V
O.L. (Overload)
D604,D605
Q601,Q602
0.35V ~ 0.45V
0.45V~0.55V
O.L. (Overload)
D602
Q603,Q605
Q610,Q612
0.35V ~ 0.45V
0.35V ~ 0.45V
0.4V~0.5V
O.L. (Overload)
Making
Revision
YSUS board
A9
A8
A8
FS203
Vs fuse
P113
FS202
5V fuse
FS201
Va fuse
FS501
18V fuse
LGE Internal Use Only
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