Read LG 60PS40FR-TA (CHASSIS:PP91A) Service Manual online
ⓒ LG Electronics. Inc.2009
Making
Revision
2009. 2 . 1
PDP TV
Symptom
A. Picture Problem
Y-Sus Board Checking Method(42G2)
Repair Process-Reference data
▣ Check Method
① Check whether there is short between Vs & GND of P201 Connector
② Check FUSE open
③ Check voltage of Diode , FET by using Digital Multi Meter
② Check FUSE open
③ Check voltage of Diode , FET by using Digital Multi Meter
HS2
PASS/ER UP/Down FET , Diode
HS1
SUS UP/Down FET & Diode
Q11~Q16 FET(6ea)
D11 , D12 Diode(2ea)
D11 , D12 Diode(2ea)
Q21~Q23 FET(3ea)
D21~D24 Diode(4ea)
D21~D24 Diode(4ea)
▣
Measuring Method
HS1
HS2
Fuse
A8
D21~D24
Q21~Q23
HS2
0.3~0.4V
0.4~0.5V
Forward
HS1
OL(Overload)
Reverse
Position
OL(Overload)
Reverse
0.3~0.4V
0.4~0.5V
0.3~0.4V
0.3~0.4V
Forward
Q16
Q15
D11,12
Q11~Q14
Circuit No.
Direction
<Specification>
Fuse
Diode
FET
A8
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