FBT Connections


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FBT Connections

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mikee4388
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Aug 30, 2005, 10:03 PM

Post #1 of 2 (1167 views)
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FBT Connections	Can't Post

I have a p46924 Rca tv. When i moved it the front grill caught on a
> corner and pulled off. I noticed a red wire IVHT/Screen disconnected/
> hanging free. The other end of the wire goes to the Fly back
> Transformer. This is the thinner of the two FBT wires. It appears to
> go into the focus panel where the bottom hole has no wire inserted and
> all the other wires have a similar rubber cap on them. I haven't got a
> schematic or wiring diagram to look at. Can you please advise me. [:/]

probuilt
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Oct 11, 2005, 2:17 AM

Post #2 of 2 (1127 views)
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Re: [mikee4388] FBT Connections [In reply to]	Can't Post

I'm no tech, but I've read about this wire. It's a high-voltage wire. The fly-back is like a Coil on a car distributor, it generates very high voltage. That wire needs to be connected directly to the crt. Usually on the board at the bottom of one of the crt's. It could be soldered directly or be shielded in a plastic clip covered in silicone. How ever you decide to reattach it, make sure there are no exposed metal areas of the wire. There could be a built-up of dust that reacts to static electricity over time that could lead to a spark, arc, or worse, fire.
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