That is NOT GLUE! It is an special thermal grease. If you are not an experience technician specialized in CRT technology and/or do not have any practical experience working inside CRTs, I strongly recommend that you do not attempt any repairs or you may run the risk of sustaining severe injuries including electrocution.
Hope this helps...
UV!
.
Thanks for you answer. I had send the unit to you, but I am from Europe and the costs for shipping would are in no relation. I have learned for myself a lot from videos about TV repairing and so on. I have only resoldered some solder joins which looked bad and cold. Nothing other. And therefore it was important to discharge the coil and the caps so that nothing bad will happen. I have secured myself carefully. Today in the Europe the TV-Shops don't have any clue about CRT's anymore. So this was for me the only solution.
You are absolutely right, that this is absolutely dangerous and I don't animate anyone to do this for themself.
So what do you use as replacement for your clients if you change the flyback? I mean in this thread there are people who have replaced their flyback like all I have read. But there was no word about this thermal grease.
I have found out now that on other TV-Sets and CRT' in general there is a red coating used for this. And in the case of other CRT's this thermal or insulating grease is for something to secure the coil from dust and dirt. Also if the weather is very humid this will guarante that there are no arcs and coronas on the aquadag (the black coating in the inside of the CRT and also on some parts of the outside of it like I have read) or the inside of the CRT exposed from the coil. Also this thermal grease it seems hold the suction cup in healthy state. So it will not get old and fragile in all the years.
Most of the informations I have got from this:
http://electronics.stackexchange.co...erneath-a-crt-anode-suction-cup-and-is-it-imp
And this informations adds to this:
http://www.repairfaq.org/samnew/tvfaq/tvasocfcrt.htm
So I came to this two solutions which maybe are also practical.
http://www.amazon.com/MG-Chemicals-Super-Corona-Dope/dp/B00SMRE680
http://www.amazon.com/MG-Chemicals-Insulating-Varnish-Bottle/dp/B008OA7DDK
Or in short, theoretical, you can use "silicon grease" or in german "Silikonfett" for this, maybe! Should work against the same problems.
The stock thermal grease from sony under the suction cup is dirty now, because there was a lot of dust and black powder all around. I dont think it would be good to simply readd the suction cup dirty to this, on some areas dirty, dusty grease again. Or is this no problem?
Hope this will help someone in future with the same problem. And only for a word of warning, the coil holds about 30.000 volts. So this is nothing to play with, like vito said.
A little correction also: I have resoldered the G-board and D-board, not the A-board.
Maybe the black powder like carbon is something what speaks for arcing anywhere since a while? It was not much, but it was anywhere in the case of the monitor and on the boards. But no burned contacts or something like this.
By the way: I don't know someone was aware of this, but this thread is 10 years old since shortly!
First post was from @mathesas at 09-13-2005, 07:16 PM.
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