LG 50PW450 Service Manual - Page 57

HS102, HS101

Page 57 highlights

Repair Process-Reference data PDP TV Symptom A. Picture Problem Z-Sus Board Checking Method(50R3) ① Check input voltages(5V, Va, Vs) at P203 connector. ② Check it is short or not between Vs and GND at P203 connector. ③ Check all of fuses open. (FS202) ④ Check voltage of diode , FET by using digital multi-meter. ▣ Measuring Method FET Diode P203 Making Revision 2010. 11. 16 전자 - 6-2 A9 ZSUS board HS102 HS101 ▣ Specifications Position HS101 HS102 Direction Forward Reverse Forward Reverse Circuit No. D114,D118 0.35V ~ 0.45V Q107, Q110 0.35V ~ 0.45V Q106, Q109 0.35V ~ 0.45V O.L. (Overload) D109,D110,D108,D111 Q104,Q113,Q114 Q102,Q103 0.35V ~ 0.45V 0.5V ~ 0.6V 0.45V~0.55V O.L. (Overload) FS202 5V fuse A9 ⓒ LG Electronics. Inc.2009

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LG Electronics. Inc.2009
Making
전자
- 6-2
Revision
PDP TV
Symptom
A. Picture Problem
Z-Sus Board Checking Method(50R3)
Repair Process-Reference data
A9
A9
Check input voltages(5V, Va, Vs) at P203 connector.
Check it is short or not between Vs and GND at P203 connector.
Check all of fuses open. (FS202)
Check voltage of diode , FET by using digital multi-meter.
Measuring Method
Specifications
0.45V~0.55V
Q102,Q103
0.5V ~ 0.6V
0.35V ~ 0.45V
Q106, Q109
Position
Direction
Circuit No.
HS101
D114,D118
Q107, Q110
Forward
0.35V ~ 0.45V
0.35V ~ 0.45V
Reverse
O.L. (Overload)
HS102
D109,D110,D108,D111 Q104,Q113,Q114
Forward
0.35V ~ 0.45V
Reverse
O.L. (Overload)
Diode
FET
ZSUS board
FS202
5V fuse
P203
HS102
HS101
2010. 11. 16