PDP-425MX
45
5
6
7
8
5
6
7
8
C
D
F
A
B
E
(6) Horizontal Line
Symptom: Horizontal lines
Note: Typical symptom are only shown. Another symptom might appear.
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 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.
(7) Picture Defect
(7-1) Symptom: No Picture (Priming flash).
Note: Typical symptom are only shown. Another Symptom might appear.
Cause/Countermeasure:
1
F302 open
⇒
Exchange High Voltage Board.
1 line
2 lines
Line block
Line block
High Voltage Board
Glass Fuse (F302)
OK: Short
NG: Open
Содержание PDP-425MX
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