LG 50PW450 Service Manual - Page 57
HS102, HS101
View all LG 50PW450 manuals
Add to My Manuals
Save this manual to your list of manuals |
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
ⓒ
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
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
▣
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