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Repair Process-Reference data
PDP TV
▣ 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
HS1
Q31,Q32,Q34 FET(3ea)
D32~D36 Diode(4ea)
▣
Measuring Method
<Specification>
Position
Direction
HS1
Forward
Reverse
HS2
Forward
Reverse
HS3
Forward
Reverse
Copyright ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
A. Picture Problem
Symptom
Y-Sus Board Checking Method(50G2)
HS2
Q22,Q23 FET(2ea)
D21 Diode(1ea)
FET
Diode
Circuit No.
Q31,32
Q34
D32~D36
0.4~0.5V
0.3~0.4V
0.4~0.5V
OL (Overload)
Q22,23
D21
0.3~0.4V
0.3~0.4V
OL(Overload)
Q11~Q13
D11
Q16~Q18
0.3~0.4V
0.3~0.4V
0.4~0.5V
OL(Overload)
HS3
Q11~Q13, Q16~Q18 FET (6ea)
D11 Diode (1ea)
A10
Making
2009. 2 . 1
Revision
Fuse
HS3
HS2
Fuse
ⓒ LG Electronics. Inc.2009
A10
HS1
LGE Internal Use Only
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