Read LG 50PQ100R-ZA (CHASSIS:PP91A) Service Manual online
ⓒ LG Electronics. Inc.2009
Making
Revision
2009. 2 . 1
PDP TV
Symptom
A. Picture Problem
Z-Sus Board Checking Method(50G2)
Repair Process-Reference data
A11
① Check 15V input voltage on P100 Connector
② Check 5V,V
② Check 5V,V
S
input voltage on P101 Connector
③ Check FUSE open
④ Check voltage of Diode , FET by using Digital Multi Meter)
④ Check voltage of Diode , FET by using Digital Multi Meter)
HS200
HS2
Diode
FET
▣ Check Method
▣
Measuring Method
D311,312
Q313~Q318
Q311~312
0.5V~0.6V
HS201
HS200
0.3V~0.4V
0.3V~0.4V
Forward
OL(Overload)
Reverse
Position
OL(Overload)
Reverse
0.3V~0.4V
0.4V~0.5V
Forward
Diode
FET
Classify
Direction
<Specification>
P100
D301 D302 Q301 Q303 D305
Q318 Q315 Q313 Q312
HS200
HS200
HS201
HS201
D311
D312
HS201
Fuse
P101
D303 Q304 D306
Q317
Q314
Q311
A11
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