Service APP New Service Bulletin Registration
2012-08-06
Title
Keyword No picture (PN51E490) Pop-up(Y/N) N
SVC Number 12-PDP-X buffer
Production Range All
(Please select from Drop down Menu) (Please select from Drop down Menu)
Symptom no power Item X-buffer
No picture by defective x buffer ( PN51E490)
Model or Project PN51E490
Cause
X-Buffer board defect With a digital multi-meter, select
"Diode" Mode within "R" Range.
On Diode voltage measuring
mode, put "+" terminal(red pole)
on X-Buffer board SVT_GND,
and put "-" terminal(black pole)
on SVT_XOUT, then measure
the voltage.
OK: 0.477 ~ 0.480 [V]
NG: 0.2 [V]↓ Short
Measure: Replace the X-Buffer.
Solution
