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20" orion tv

I can hear the sound, but the only picture it has is a thin strip across the middle of the screen. hello,
i have a zenith sentry 2 tv, but i can't find any codes for it.I have try so many remote already:GE, ONE FOR ALL, RCA, SONY, but any of them works. please help

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  • 54 Answers

The thin strip is possibly a combination of bad parts on your main board. You possibly have a bad horizontal output transistor and or a bad flyback transformer. All of witch should not be repaired by the average homeowner. These sets could have upwards of 30,000 volts inside even when unplugged!! Please dont forget to rate this answer for me ! Good luck!!

Posted on Aug 19, 2008

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The vertical scan output section of your tV is faulty. It might be an IC failure or loose solder terminals at this section. Your set need service. Never advance brightness control to this set at this condition. It may leave a thin black line across the screen, which will be irrepariable. Contact any experienced service technician.

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1 Answer

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Hello mel2003,

This problem is caused by the loss of vertical deflection. Either the vertical output section of your TV or the vertical coupling capacitor has completely failed. In any event you will have to have a TV technician fix this set, BTW I hope you have not been playing the TV with the line on the screen this will burn the TV screen.

I hope this helps
Thank you,
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1 Answer

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If the line goes across the screen you have a loose solder joint on the vertical output IC. I've seen this happen many times in Zeniths and a lot of other sets. If the IC is not loose then there is a loose solder joint somewhere else in the vertical circuit. These IC's are 10 - 13 pin chips that operate the vertical deflection on your set. I feel like a drop of solder in the right place will fix it! Stargazer

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1 Answer

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this symptom, sometimes called the tube light effect, it is characterised by a bright thin horizontal line across the middle of the screen. this symptom is caused by a breakdown in the vertical deflection circuit. hence maybe the trouble maybe in the vertical oscillator, amplifier or output circuits. but if all i have said is not clear to you, better bring it to a qualified tv technician. good luck!

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