Question about Toshiba 32A50 32" TV

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32A50 My tv will power up but all I get for a picture is a white line across the screen.

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Re: 32A50

Vertical Output Capacitor
Take it to the shop, not very expensive.
Very heavy tv.
In home repair (armed robbery).

Posted on Mar 16, 2008

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How do i repair my toshiba 32" model 32DF45. it shows a white line across the screen

In this case I think the vertical o/p IC is a AN5521?

This is an easy repair if you've ever soldered and would not be too costly for a repair shop to do it for you. The problem is a bad Vertical Output IC (usually mounted on an aluminum heat sink with the part on it labeled LA78?? ) and 1 or 2 bad capacitors. Some times you can even fix the problem by re-soldering the contacts of the IC- To find the IC follow the 4 wires that come from the Yoke (which is a contained coil of wires slipped over the neck of the picture tube(s)) back to the board. 2 of the wires go to the horizontal o/p and 2 to the Vertical o/p the thinner gauge wires are for the vertical.

Oct 03, 2009 | Toshiba 32A50 32" TV

1 Answer

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It is a calibration problem, let me see if I can find some schematics for your tv.

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1 Answer

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this is a frame fault
the fact that you can still see the line when the tv is off is because you have been watching with the line and it has burnt into the crt.

time to buy a new tv

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If the 2 white lines are in the centre of the screen it sounds like you have a fault called 'field collapse' . The 'x' or horizontal circuit on the tv deflects the beam across the screen which in your case is ok because the line runs across the screen ok. The 'y' or field circuit on the tv deflects the beam down the screen. Without a circuit diagram for your tv i cannot point to individual components.

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1 Answer

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I hope your TV model is Sony KV-G21M1 and you see color bars as horizontal lines across the screen.
Let me now are you tech guy or know how to repair TV to guide you further.

Oct 26, 2008 | Sony Standard (CRT) Televisions

3 Answers

Horizontal white lines across top of TV screen

Hi I had the same problem. Broken white lines across the top of the screen. This is called overscan. You need to go into the Setup menu, other settings. 16:9 overscan needs to be on. Hope this helps.It solved our problem.

Sep 15, 2008 | Panasonic CT-2006S 20" TV

1 Answer

No picture Thin line across middle of screen


Most problems indicated by your description involved the Vertical IC. With your post "tap...pop back up" signifies a loose connection or to be more specific a cold solder. I suspect that no part(s) need top be replaced but would however require re-application of heat with the use of a soldering iron.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Feb 19, 2008 | Toshiba 32A50 32" TV

1 Answer

Lines across the top of the screen

Check Vertical output IC circuit for bad capacitor.............
also vertical power supply for bad cap....Last----replace IC...

Nov 20, 2007 | Philips 32PT6441/37 32" TV

1 Answer

Red Line across Screen

sounds like you have a vertical sweep problem. Where the fault lies cpuld be the vertical output IC the verticle b+ feed, could be the capacitors in the vertical circuit?? Your gonna need to troubleshoot thr vrtical circuit if your not a tech thin my advise is to take the set to a pro for sn est. Good Luck

May 22, 2006 | Hitachi 36UX01S 36" TV

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