Question about Philips Magnavox 27MS343S 27" TV

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I have problems with the picture on my Toshiba TV. The picture will begin to narrow horizontally and usually end up as just a line of light across the middle of the screen. This happens both with television and DVD. The sound is not affected.

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Gd pm sir, try to find a 200v/10uf capacitor if boost that's all thank you..

Posted on Sep 27, 2010

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1 Answer

Toshiba CZ32V61 no picture


1) you have problem with the Raster
2) the main causes are a) raster b) picture c) sound d) synch
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test the voltage from section horizontal out +125vdc+vertical output +80v+all other circuit +12vdc
4) test the power supply for defective. see the diagram attached

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Picture goes to a single horizontal line.


Your problem is due to failure of the vertical scanning circuits in your TV. This is quite common and is caused by aging components. Generally drying out capacitors
You got to be careful not to leave it on too long when the picture collapses, it will burn a permanent line across the screen.
If you are an electronics expert you can fix it if you get a schematic. If not please don't attempt to reapir it yourself since there is high voltage in side the TV.
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Turned on, and picture went out(just a line)with sound. never had problem with picture,but remote stop working about a year ago, cable tech said its tv not the remote


If it's a horizontal line across the face of the picture tube, your TV has a problem with its vertical output. Most likely, it's bad solder connections to the vertical output IC. Because this part gets very hot during normal operation, the connections to the circuit board can crack and the part quits working. All you see then is that narrow line across the tube. A few minutes with a soldering iron to repair the connections is usually all that's needed to fix the TV. It's also possible the part has truly failed, but the bad connections a much more common. A service shop could do the repair if you don't know anyone with the soldering skills.

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1 Answer

Intense white & coloured horizontal line on black background on startup


I wouldn't attempt as the capacitors on a tv store around 25000 volts this is more than enough to kill you and they keep there charge even when the tv is off. Either take it to a repair shop or put that money towards buying a new tv - Do not even attempt to open the tv. (It sounds like maybe a tube has gone or the electromagnet that makes the beam move vertically is gone.

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if that look like horizontal line shuld be vertical problem. check vertical ic around it of resistor& capacitor. good luck!

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1 Answer

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