NEC Plasma Display
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
⇒
Replace
PDP.
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
⇒
Replace
PDP.
Horizontal Line
1 line
2 lines
Line block
Line block
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.
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