60PS40FR-TA (CHASSIS:PP91A) - LG TV Service Manual (repair manual). Page 48

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
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
Page of 68
Display

Click on the first or last page to see other 60PS40FR-TA (CHASSIS:PP91A) service manuals if exist.