Read LG 60PS40FR-TA (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(42G2)
Repair Process-Reference data
A9
① Check 5V, 15V input voltage on P2 Connector
② Check V
② Check V
S
input voltage on P3 Connector
③ Check voltage of Diode , FET by using Digital Multi Meter)
HS1
HS2
Diode
FET
Q506 Q505 D506 Q504 Q503 D505
D501 D502 Q501 Q502 D503 D504
HS1
HS1
HS2
HS2
▣ Check Method
▣
Measuring Method
HS2
HS1
0.3~0.4V
0.3~0.4V
Forward
OL(Overload)
Reverse
Position
OL(Overload)
Reverse
0.3~0.4V
0.4~0.5V
Forward
Diode
FET
Classify
Direction
<Specification>
P2
P3
A9
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