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(50G2)
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
▣
Measuring Method
A10
OL(Overload)
Reverse
0.3~0.4V
0.3~0.4V
Forward
D21
Q22,23
HS2
Q16~Q18
D11
Q11~Q13
HS3
0.4~0.5V
0.3~0.4V
0.3~0.4V
Forward
HS1
OL (Overload)
Reverse
Position
OL(Overload)
Reverse
0.4~0.5V
0.3~0.4V
0.4~0.5V
Forward
D32~D36
Q34
Q31,32
Circuit No.
Direction
<Specification>
HS1
HS2
HS3
Q31,Q32,Q34 FET(3ea)
D32~D36 Diode(4ea)
D32~D36 Diode(4ea)
Q11~Q13, Q16~Q18 FET (6ea)
D11 Diode (1ea)
D11 Diode (1ea)
HS1
HS2
HS3
Q22,Q23 FET(2ea)
D21 Diode(1ea)
D21 Diode(1ea)
FET
Diode
Fuse
Fuse
A10
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