Vertical Or Horizontal Lines - Pioneer PDP-42A3HD Training & Troubleshooting Manual

Symptom : Vertical line Block
Cause/Countermeasure:
1 Open or contact failure of Data flexible Cable
]
Clean, Reconnect or exchange connector.
2 Failure in Data IC
]
Exchange PDP.
Horizontal Line
Symptom : Horizontal lines
Cause/Countermeasure:
1 Failure in Scan IC on Scan Relay Board - Exchange Scan Relay Board.
2
Open or contact failure of Scan Flexible Cable (CN01-CN04) at output side of Scan Relay Board (U,D)
]
Clean, Reconnect or exchange connector.
3
Contact failure of connector between Scan Board and Scan Relay Board
]
Clean, Reconnect or exchange connector.
4
Short between terminals of Scan IC due to screw dust
]
Clean around the terminals.
(Note)Typical Symptom are only shown. Another Symptom might appear.
Cause/Countermeasure:
1
Open or contact failure of connector between Data Relay Board
and Digital Board/High Voltage Board
]
Clean, Reconnect or exchange connector.
2 Open or contact failure of multiple Data flexible Cables
]
Clean, Reconnect or exchange connector.
3 Failure in Data Relay Board
]
Exchange the Data Relay Board.
4 Failure in multiple Data IC
]
Exchange PDP.
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