Read LG 50PZ570G-ZB / 50PZ570S-ZB / 50PZ575S-ZB (CHASSIS:PD12C) Service Manual online
Making
Revision
PDP TV
Symptom
A. Picture Problem
Z-Sus Board Checking Method(50R1)
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.
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. 12 . 24
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