PTK195 RCA
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PTK195 RCA

 
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ac611\"remove\"
Guest
Posted: Sun Dec 11, 2005 8:43 am    Post subject: PTK195 RCA Reply with quote
I was given this 46" RCA and found the main fuse was blown. Replaced the
fuse and the picture is the correct width but the bottom is bowed
upwards and the top bowed down. The convergence is also way off. I've
never worked on one of these before. Is there something common? Any
schmatics of these online? Thanks for any help.

Len

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rm502@bellsouth.net
Guest
Posted: Sun Dec 11, 2005 5:35 pm    Post subject: Re: PTK195 RCA Reply with quote
Len: Go to this discussion on Sci.electronics.repair re your problem.

http://groups.google.com/group/sci.electronics.repair/browse_thread/thread/bc330b1ed7dc66f8/691677def7a68368?lnk=st&q=ctc195+top+pincushion&rnum=1&hl=en#691677def7a68368

Also, I have the service data on this Chassis if you need something
from it.

Robert McPherson
Louisville, KY
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Jason D.
Guest
Posted: Mon Dec 12, 2005 1:35 am    Post subject: Re: PTK195 RCA Reply with quote
was is the convergence power supply that is blown. It is small board
mounted on the black plastic panel. Held down by 1/4" hex bolts. Get
that convergence power supply fixed. There are two types of this by
the way. One use big black IC on Z shaped heatsink, other one is
small U shaped heatsink. Both have different appoaches to repairing
those two types.

Cheers, Wizard

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