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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Sun Jan 03, 2010 3:18 am Post subject: One tiny connector... |
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... such large damage. Got a call from someone that had a DWIN 700. Tried setting it up after it was in storage for a while or something like that, and found that the R and G tubes had a V line burnt down the middle.
He wrote it off, and I bought the PC boards off the thing from him. THey showed up the other day, and it wasn't hard to see why there was deflection failure.
Sad thing was, the connector had been repaired for the identical failure under the PC board, but whatever tech worked on it didn't see the obvious, that the pins were corroded, and the failure continued until there was complete H deflection failure.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Sun Jan 03, 2010 4:03 am Post subject: |
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I've seen this before with Molex connectors. The first time in a DWIN mind you, but I've seen a MArquee yoke connector fry like this, along with a Barco I think.
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stefuel
Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA
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| Posted: Sun Jan 03, 2010 5:57 pm Post subject: |
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I had the pin of a Molex connector overheat so bad it burned a pencil size hole in a AmPro focus board.
_________________
Chip
A Barco is only a AmPro with training wheels
Card carrying member of the AVS chain gang.
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