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Philips Magnavox 60PP902 - Should I continue?    
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Joined: 04 Feb 2011
Posts: 3

PostPosted: Fri Feb 04, 2011 9:46 pm    Post subject: Philips Magnavox 60PP902 - Should I continue? Reply with quote

I have acquired an old 60" HD RPTV that was in serious need of a coolant change. Following the guide from this website I have made it as far as cleaning out the old coolant in the first CRT (blue I think). But I noticed it looked different from the picture in the guide. As you can see, there is a brown tinted square on the inside of the CRT. This picture is after i cleaned the chamber. Again, this is BEHIND the glass that I cleaned inside the chamber.

From the Guide:

So, should I go any further? I'm worried that after putting in new coolant and re-installing it, I still wont have a decent picture. Also, is there anyway to open the CRT and clean it from the inside?

Thanks for your replies,

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Joined: 28 Dec 2006
Posts: 2879
Location: Overland Park, KS

PostPosted: Sat Feb 05, 2011 8:48 am    Post subject: Reply with quote

Those CRTs are going to have some burn in no matter what... because they have been used. I suspect your image will still be much better than it was before you changed the coolant.

The only way to open the actual CRT itself is to have a clean room, and a giant vacuum pump, along with a bunch of other tools I don't remember. I also remember something about hazardous chemicals needed to do it. I read an article once about a place that repaired antique CRTs with a pretty sweet custom setup. But that is way outside of your (and my) league, as well as extremely cost prohibitive.

Joined: 21 Jan 2009
Posts: 2395
Location: Far, Far Away

PostPosted: Sat Feb 05, 2011 10:35 am    Post subject: Reply with quote

Can't you use a Shopvac? Laughing
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