Question about Zenith C27A24T 27" TV

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My zenith tv's picture is shrunk to the middle of the screen, also it turns off after about ten seconds and won't turn back on..

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You have 2 problems 1 is that your power supply is going bad and 2nd is that 1 of your caps. is going bad. the capasater is what keeps your screen vert. and hor. the part for this is cheap but very dangerous to put in. sorry about the bad news. i had a tv do this to me and sometimes i could hit the side of it and it would be ok for a while. hope this helps

Posted on Jan 02, 2009

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TV Model # C27A24T about nine or ten years old. TV


Bad grounds and bad caps will cause the problems in this tv. You will need to replace several caps and resolder the tuner itself and that means taking the tuner out in some cases and rework it. This is very time consuming and needs great care not to destroy the tuner. And reinstall the tuner to the board. You need the cap check to locate bad caps and visual to see bad grounds on any Ic on heatsinks. If you are a do it yourselfer fine.. If you cannot do this I would just replace the tv.

Oct 11, 2009 | Zenith C27A24T 27" TV

1 Answer

Tv picture is shrunk to the middle of the screen and turns off


if you mean line across middle no vertical deflection prob circuit prob. need tech.

Dec 13, 2008 | Zenith C27A24T 27" TV

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No Picture


This is a problem with the vertical circuit. If you can solder, you should be able to fix this. With teh unit unplugged, open up the back and locate the vetical IC. This should be a small flat IC attached to a heatsink with about 9-11 pins. It may be marked LA7837 or something similar. Try resoldering hte pins. If that fails to resolve the problem, replace the IC. I will look up your specific model and try to get more details.

Dan

Sep 16, 2008 | Zenith Z25X22S 25" TV

1 Answer

Av-32f476 picture shrinkage


I had a Crummy Westinghouse TV that had a problem like this. JVC's are typically better built then a Westinghouse. My first educated guess - sounds like it's a voltage issue, most likely on the high voltage. Probably a capacitor on the power supply side of the motherboard or the capacitor in the flyback transformer. Just and educated guess.

Jun 23, 2008 | JVC AV32F476 32" TV

1 Answer

Picture is dark


sitnlisten - yes it does appear your pix tube is getting weak,but we may be able to turn up the flyback alittle to brighten up the picture.If you take the back off you will see the flyback-large black unit with a wire going to the round rubber cap on the back of the pix tube.Look at the flyback there are usually 2 adjusters one marked focus the other screen,just turn up the screen a little bit at a time.If you turn this up too much you will wind up with retrace lines on the screen.You may also want to check the pcboard ass'y for a sub bright adjust,and same thing small adjustments.If this don't help your pix tube may be too far gone.I hope this helps. cooltek Feb.1/08

Feb 14, 2008 | Zenith C27A24T 27" TV

1 Answer

Line through the middle


socer, solder connections on the vertical output IC are broken, board has to be taken out and re-solderering the pins on the vertical IC will fix it easy job for a tv tech, good luck, BMW Rider

Jan 03, 2008 | Proscan PS36123 TV

1 Answer

Sound but no picture


Basic repair for skilled TV repairman = solder connections on
vertical output IC.........Can be done in home.....T.

Nov 28, 2007 | Sony KV-35S42 35" TV

2 Answers

Sound but no picture


I believe the cable guy is correct and I will suggest you call for professional help now,if you try to use it like this the problem might become expensive.

Sep 23, 2006 | Sony KV-35S66 35" TV

3 Answers

TV has green sceen and turns off by itself


you have the famous zenith shorted picture tube

Aug 07, 2006 | Zenith C27V22 27" TV

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