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Toshiba TN61X81 No Picture    
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SailorJerry



Joined: 27 Jan 2010
Posts: 6

PostPosted: Wed Jan 27, 2010 2:37 pm    Post subject: Toshiba TN61X81 No Picture Reply with quote

The picture of my tv just happens to go out sometimes while watching when the picture goes out the CRTs are still glowing and if I press on one of the cooling elements the picture comes back on. Usually for quite a while before turning off again does anyone know what this could be?

Thanks!
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kuhurdler



Joined: 28 Dec 2006
Posts: 2879
Location: Overland Park, KS

PostPosted: Wed Jan 27, 2010 3:04 pm    Post subject: Reply with quote

cooling elements? If you're talking about a heat sink, it sounds like you have a cold solder joint problem.

You'll need to find the broken joint/trace and jumper across it.
SailorJerry



Joined: 27 Jan 2010
Posts: 6

PostPosted: Wed Jan 27, 2010 4:47 pm    Post subject: Reply with quote

Yes its a heat sink and if I jimmy with it the picture comes back on. Cold solder meaning a solder connection maybe cracked or loose?
kuhurdler



Joined: 28 Dec 2006
Posts: 2879
Location: Overland Park, KS

PostPosted: Wed Jan 27, 2010 8:08 pm    Post subject: Reply with quote

you got it.
SailorJerry



Joined: 27 Jan 2010
Posts: 6

PostPosted: Thu Jan 28, 2010 11:07 am    Post subject: Reply with quote

Thank you kuhurdler for your input! Does anyone know if there is a notorious spot that these tvs have that goes bad? I am certainly not a tv repair man so if anyone would have any ideas on what to look for it would be greatly appreciated!

Thanks!
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kuhurdler



Joined: 28 Dec 2006
Posts: 2879
Location: Overland Park, KS

PostPosted: Thu Jan 28, 2010 12:14 pm    Post subject: Reply with quote

I usually troubleshoot bad solder joints by poking at the board with a wooden chopstick. If you can find an area that makes it turn off/on, you can probe a little more closely.

Disclaimer, be careful not to touch anything since you're messing with it while it is running.
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