NEC Plasma Display
Dark and rough
picture
Many light
spots on dark
portion
Fuse Resistor (R43),(R61)
Fuse Resistor (R150)
Symptom: Failure in Writing
⇒
Power off
Cause/Countermeasure: R43,R61 open
⇒
Exchange
High Voltage Board.
Symptom: White
Pattern
even in
no signal
⇒
Power off
Cause/Countermeasure: R150 open
⇒
Exchange High Voltage Board.
R43
OK: About 3.3
Ω
(2W)
NG: Open
R61 OK: About 4.7
Ω
(2W)
NG: Open
R150 OK: About 4.7
Ω
(2W)
NG: Open
62