Question about Panasonic CT-32HXC14 32" TV

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Arcing between pins on CRT

There is a random arcing between the pins of the crt neck connection on my CT-32HXC14J, worse on power up , gets less as it warms up. I have isolated it to under the plastic alignment cap that fits over the end of the CRT and its pins. After carefully cutting thru the sealant that holds the plastic cap to the CRT neck and cleaning off as much of the charred and blackened sealant as possible, the arcing has gone away. I need 2 things, 1 what should I check that might have caused it to start arcing, i.e. B+ too high, bias off, loose ground etc. and 2. whats the best way to clean off the glass around the pins to reduce the chance of re arcing? should I use some corona dope coating as well? Thanks

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Re: Arcing between pins on CRT


Your problem is due to moisture in the the Crt base socket you will need to replace the white plastic crt plug I have tried to clean & dry them out but it never fully corrects problem.

As far as the pins & glass crt neck goes clean them with Isopropyl alcohol this will thoroughly clean all the carbon off.


Posted on Jan 08, 2008

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I have 36" Panasonic CT-36SX12 TAU series. I had it repaired less than 3 years ago .and the same problem happened again As soon as turned the TV off it wouldn't turn back on .I was told this was the...

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arcing may be cause of prolonged dusts holds near the anode cap. so you have to clean the area by removing the cap. see also if the cap has been damaged by arcing. if damaged like cracks please change. when you remove the cap you must be aware of high voltage that is stored in the picture tube so you have to discharge it first.

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The snap you hear is likely from the high voltage in the set. The worst case scenario is that the picture tube (CRT) is shorted and is arcing internally causing the set to shut down. There are other less expensive possibilities such as the flyback transformer which can also fail in such a way as to arc. You may be able to see through the top ventilation slots in back as you power the set. The neck of the tube extends back into the rear cabinet and you could possibly see a flash inside the tube neck if it is arcing. I would have to recommend you have a technician check this problem to diagnose it. The tube, if it is defective and out of warranty, would exceed the cost of replacing the TV. Check your warranty as the tube generally has a two year warranty and other parts one year with 90 days on labor.

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Replacing CRT neck socket after arcing problem.


Don't know what happened to the last post I sent you its disappeared.

What I think you should do is definately replace the CRT white socket (tube base plug).
You can either take the CRT number from the label on the tube & put it in to google then search for Crt base plug.
Or see if there is A repair shop local to you who can order the tube base for you.
Are you definately sure the arcing is external to tube & not happening in the tube neck ?
Is the CRT made by LG / PHILIPS. These are notorius for for arcing over internally I must write at least 1 A week off for this problem.

If you can still run the set try tapping the neck of tube with screwdriver handle if pic flashes or goes predominately1 colour you are looking at the tube with internal short.

If this is the case there are ways of trying to get rid of the internal short let me know what you find ?


Jan 08, 2008 | Panasonic CT-32HXC14 32" TV

1 Answer

Panasonic tv ct-32hxc14j

try to reheat or resolder your tv.

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this could be caused by 1 of 2 things, firstly the crt could be arcing, check this by taking the tube base away from the tube neck (only do this if you are a qualified engineer, high voltage and all that), secondly your F.B.T. (Fly-Back Transformer) could be up the swanny (faulty). It would be handy to know if the transistor blows instantly. Hope this is of some help to you, please email me if you require anymore assistance

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