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Picture folds down onto itself at top

 
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LEN99
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PostPosted: Thu Jan 12, 2006 10:53 am    Post subject: Picture folds down onto itself at top Reply with quote

Any ideas?
Zenith 32in crt tv model #IQB32B44WF.
Picture folds down onto itself at top 3 inches
creating horizontal lins in this area.
opend tv and found no adjustments available on pcb's at all.
is there some software areas i can acsess to do service.
Any service manuals or schematics available?
Help!
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PostPosted: Thu Jan 12, 2006 6:13 pm    Post subject: Reply with quote

It may be a capacitor in the sync circuits.
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PostPosted: Fri Jan 13, 2006 9:46 am    Post subject: Re: Picture folds down onto itself at top Reply with quote

LEN99 wrote:
Any ideas?
Zenith 32in crt tv model #IQB32B44WF.
Picture folds down onto itself at top 3 inches
creating horizontal lins in this area.
opend tv and found no adjustments available on pcb's at all.
is there some software areas i can acsess to do service.
Any service manuals or schematics available?
Help!

If you can figure out which IC is your vertical output IC, eg. IC 301, then replace all the electrolytic caps near it with the same # series, eg, C301, C302, C310, etc.
There should be about 4 or 5 of them, small ones, probably from 1 - 47 mfd, and 50vdc or less.
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bzucaro
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PostPosted: Sun May 03, 2009 9:47 pm    Post subject: answer Reply with quote

Did you get this problem fixed? Our Sharp is doing exactly the same thing. Please help.
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minnie



Joined: 18 Aug 2005
Posts: 2877
Location: Hell

PostPosted: Mon May 04, 2009 12:46 am    Post subject: Re: answer Reply with quote

bzucaro wrote:
Did you get this problem fixed? Our Sharp is doing exactly the same thing. Please help.


A model # would help.
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J-Peace



Joined: 25 Apr 2009
Posts: 5

PostPosted: Mon May 04, 2009 11:59 am    Post subject: Reply with quote

May ba capacitor on vertical section, also check yung HOT and cold soldered
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flyback56
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PostPosted: Mon Jun 01, 2009 9:32 am    Post subject: Reply with quote

Its definetly a bad cap in the vertical output section.
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