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gsdman
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PostPosted: Wed Sep 21, 2005 11:00 pm    Post subject: television trouble. Reply with quote

My, 5 year old Hitachi 36CX39B's picture tube has suddenly gone to a all black screen with a thin line (1/4") of picture horizantally through the middle of the screen. At first when did this I could power off, wait a few seconds power on and problem gone. Now the problem is chronic.
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dush
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PostPosted: Thu Sep 22, 2005 9:10 am    Post subject: Re: television trouble. Reply with quote

gsdman wrote:
My, 5 year old Hitachi 36CX39B's picture tube has suddenly gone to a all black screen with a thin line (1/4") of picture horizantally through the middle of the screen. At first when did this I could power off, wait a few seconds power on and problem gone. Now the problem is chronic.


problem in vertical difflection section most probebly some dry-jonts in
vertical IC , re-soled all cct ponts in this section and ic as well
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SHELDONS TV



Joined: 22 Apr 2005
Posts: 25
Location: ENGLAND

PostPosted: Sat Oct 01, 2005 7:30 am    Post subject: Reply with quote

Very Happy problem could be due to a vertical feedback problem,in which case you need to check capacitors,or it could just be a dry jointed frame ic or a faulty frame ic
........
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