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philips 32pt5441/37

 
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Robtv
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PostPosted: Wed Mar 08, 2006 9:04 am    Post subject: philips 32pt5441/37 Reply with quote

I have a lemon umm I mean a philips 32pt5441/37 that is having issues with vertical smashing of the picture (approx an inch an a half of black at the top of the screen) with a folding over of the picture another2 inches below that.
About eight months ago I repaired the horizontal drive circuit with 483531057673. The repair went flawless with no faults. This problem has just gradually occurred in the past 3 days.
I was hoping someone might have some suggestions on the parts I might try testing or if a definate part is recommende I may just order the part need.

Could this be the horizontal circuit acting up again?

Since I first posted this message a few days ago the problem will improve then gets slightly worse, described above was the worst the condition got.

Thanks in advance for any recommendations.
Robert
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PostPosted: Wed Mar 08, 2006 10:00 pm    Post subject: Reply with quote

hello robert,
the problem with your tv 32pt5441/37 is caused by the vertical ic.
its breaking down, just replace the ic.
good luck!!

Hans
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robtv
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PostPosted: Sun Mar 12, 2006 12:11 pm    Post subject: [email protected] Reply with quote

Thanks for the input,
I was wondering if you could send me in the right direction on identifying this cap. I've been investigating ever since you posted your reply to no avail. I'm a bit of a novice at tv repairs and could use as much help as possible. I know that trade secrets are valuable and sincerly appreciate the fact that there are folks like you who don't mind sharing a bit of info. I am knowlegeable in industrial engines, generator sets etc. And would be more than happy to pay off my debt with some advice of my own.
Thanks in advance,
Robert
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xpresso
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PostPosted: Sun Mar 12, 2006 5:16 pm    Post subject: Re: [email protected] Reply with quote

robtv wrote:
Thanks for the input,
I was wondering if you could send me in the right direction on identifying this cap. I've been investigating ever since you posted your reply to no avail. I'm a bit of a novice at tv repairs and could use as much help as possible. I know that trade secrets are valuable and sincerly appreciate the fact that there are folks like you who don't mind sharing a bit of info. I am knowlegeable in industrial engines, generator sets etc. And would be more than happy to pay off my debt with some advice of my own.
Thanks in advance,
Robert

hi:
some time when the folding is growing, or decresing when the tv still
working, it use to be the pum-up capacitor, in some tvs is 220 micros,in
some is 100micros, this capacitor is conectin to the vertical circuit in both sides, the vertical circuit , im not quit sure, but i thing is the stv-3938 or
stv-3932.luck.
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robtv
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PostPosted: Mon Mar 13, 2006 10:14 am    Post subject: 32pt5441/37 Reply with quote

I ordered the cap and a suspect transistor (ktc3228y) in the vert curcuit as well. I will keep you informed of this progress.
Robert
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robtv
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PostPosted: Fri Mar 31, 2006 12:28 pm    Post subject: vert ic Reply with quote

I installed the new vert i/c today with no improvement.
I highly suspect it is the transistor I mentioned before.
The transistors unfortunatly are on back order and hope-
fully not obsolete. I will keep you posted, thanks for the help.
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robtv
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PostPosted: Sat Jun 24, 2006 1:09 pm    Post subject: No Luck Reply with quote

I am sorry to report that I have had no luck with the parts that I have replaced. I had come to find out that the ic was now obsolete and I would have to cross it myself. I found a nte cross. I installed it and tried to turn on the tv, it came on pic tube energized, a couple seconds of sound, and then immediatley turns off. Any suggestions?
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