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Mitsubishi 29" TV set - frame collapse fault...

 
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PostPosted: Thu Mar 13, 2008 2:16 am    Post subject: Mitsubishi 29" TV set - frame collapse fault... Reply with quote

Hi all.
Smile

I have here, a Mitsubishi CT29AM2 TV set with horizontal frame collapse.

Sound is fine.

Picture reduced to a bright horizontal line in the middle of the screen.
You can see things moving within the line.

Sounds and looks like a classic frame-collapse fault, but I have no information or circuit for this set.

Can anyone help?
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minnie



Joined: 18 Aug 2005
Posts: 2880
Location: Hell

PostPosted: Thu Mar 13, 2008 9:47 pm    Post subject: Reply with quote

Replace the vertical ic.
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PostPosted: Mon Mar 17, 2008 4:12 am    Post subject: Reply with quote

LA7838 Vertical Deflection driver IC.
Sounds like our puppy.
Thanks - will replace it, and post back if it fixes...
Smile
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PostPosted: Thu Mar 20, 2008 2:42 am    Post subject: Reply with quote

Just for the info of the forum - yes, it worked.
Picture is back to normal.

Thanks for the hint.
Smile
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