Pioneer PDP-42A3HD Training & Troubleshooting Manual page 95

Symptom: Failure in Writing
] Power off
Dark and rough picture
Many light spots on dark portion
Cause/Countermeasure: R43,R61 open
]
Exchange High Voltage Board.
Symptom: White pattern even in no
signal ] Power off
Cause/Countermeasure:R150 open
]
ExchangeHigh Voltage Board.
Fuse Resistor (R43),(R61)
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
95
Fuse Resistor (R150)