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4-year old Dell 32

After the tv has been on for awhile, screen gets horizontal lines that go faster and faster and then vertical lines come on too. If you turn off the tv for about 20 minutes, it works okay. But, it starts up again after a little while. It used to happen after the tv was on for 2 hours...now it happens if tv is on for an hour. I live on Long Island. Can youhelp?

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I can fix your tv for you. I am in Glen Cove, NY. email me at masterhu (at) yahoo (dot) com.

Posted on Jan 22, 2009

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My Sony Bravia KDL 40WL 135 TV has been flashing strange colors for awhile; today screen is black with a thin blue line across the bottom. No sound. Any help appreciated.


The vertical output section circuit has the fault. Contact any experienced service technician. This is not a user repairable fault.

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My 15 year old Toshiba Televisiononly shows a narrow horizontal band in the middle of the screen. Sound OK.


Hiii fairley,

You aren't specsificly dercribe yor tv set.
For common TV horizontal problem ;i.e : White line accross the horizontal screen, horizontal band,etc..it's can solved by replacing the IC Vertical/Transistor, and olso to replace the cap nearest the IC.

For common TV Vertical Problem :i.e : White line at the center of the screen (top to bottom),Vertical band,etc...It's can cure by Replacing the Horizontal IC/Transistor,and offcurse the cap's.

Tha's what all I know....

Hope can help you to solved the problem.

Thank's

h3liax

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I have a Dell 32" LCD flat screen TV about 4 years old. After the tv is on for about an hour, it gets horizontal lines that go faster and faster and then vertical lines appear too. If you turn it off for...


please do not operate the same this is due to the sync separator problem which needs an mechanic or service center services . if you continue then the problem will cause a damage to the screen .
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you need some caps changed in that set in vertical circuit
i usually change about 5 caps to cure the problem
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Problem in the vertical circuitry.
If you have the know-how, check for "cold-solder" joints around vertical i.c.
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Voltages ok?
Resistor values ok?
Replace I.C.

Don't tell me the yoke wires were off or gnawed thru by a roach!

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1 Answer

No picture


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sounds like the vertical, more info ctechnicians.com

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only horizontal line it is a vertical section failure. caution keep brightnenn as low as possible till it is rectified & you put on tv before it this just to avoid screen burn. solution 1 check for loose contact or crack print or loose deflection coil connector. 2 check supply to vertical section. 3 check vertical ic. 4 vertical (50)Hz signalto vertical section. good luck

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