Pioneer PDP-505MX Service Manual page 98

1
A
(8-3) Symptom: Failure in Writing ⇒ Power off
B
Cause/Countermeasure:
R43, R61 open ⇒ Exchange High Voltage Board.
C
D
E
F
98
1
2
(8-4) Symptom: White Pattern even in no signal ⇒ Power off
Dark and rough
picture
Cause/Countermeasure:
R150 open ⇒ Exchange High Voltage Board.
Many light spots
on dark portion
PDP-505MX
2
3
Fuse Resistor
(R43), (R61)
R43 OK : About 3.3Ω (2W)
NG : Open
R61 OK : About 4.7Ω (2W)
NG : Open
R150 OK : About 4.7Ω (2W)
NG : Open
3
4
Fuse Resistor
(R150)
4