Question about Sony KV-35V35 TV

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Screen Flash I also Have the Screen Flash Issue but it seems to be not as bad after the TV is on for a while and also not as bad when I turn the brightness all the way down im pretty good with electronics if I could get a diagram or really good instructions on what I need to do to resolve this issue if anyone can help I would be forever thankful

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Re: Screen Flash

I have a sony trinitron model kv 35S42 i was told it is the ir board should i try the other solutions first? tv comes on but constantly flashes. when playing dvd doesn't flash as often mertle

Posted on Jan 08, 2008

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It coming on and after a couple of seconds cut off

Without a brand AND model number or a better description of the problem, any suggestions would be nothing more than a guess.

Unless you are prepared to repair the TV yourself, professionally performed repair, even simplest ones, will probably exceed the cost of a new LCD replacement set.

Due to X-ray and other safety concerns (equipment and/or people), CRT TVs constantly check the voltages and signals required to make a CRT work. A few seconds grace is allowed during start up but after that, any excessive high voltage (real or imagined) or loss of beam deflection circuits will cause the TV to turn off.

Please do the following:
1. Move the TV to a quiet and preferable totally dark room.
Wait until night if necessary.

2. Stand within an inch or closer to the TV screen.

3. Turn on the TV and look and listen for the following:

a. Whoosh sound and/or head hair attracted toward TV screen
Yes. High voltage activated and charged CRT screen.
No. High voltage failed to activate.

b. Hissing or normal sounds from the speaker(s) while set is on.
Low voltage circuits probably okay. Defective low voltage regulator can cause high voltage to exceed limits.

c. Entire screen briefly lit up or single bright spot at center of TV screen

High voltage worked for a moment then the TV shut off due to over voltage or current problems.

d. Brief bright line from top to bottom or single bright dot on TV screen

horizontal deflection circuits bad
vertical deflection circuits ok
TV shut off due to bad deflection/sweep circuit

e. Brief bright line from left to right on TV screen

horizontal deflection circuits bad
vertical deflection circuits ok
TV shut off due to bad deflection/sweep circuit

It would be helpful for you to perform the above "up close and personal turn the TV on test" and report what happened.

Nov 26, 2014 | Standard (CRT) Televisions

1 Answer

Jvc 27'' TV is too dark

There are two small holes on the rear side through which you can adjust focus and screen. Use a flash light and locate the two adjustable slots inside the holes. This part carries high voltage. Do not use a metal screwdriver to adjust. Put the TV facing a mirror so you can see how it works. Do not turn more than 1/8th of a turn. The focus control makes picture sharp or fuzzy. Screen control could change brightness. While watching the picture in the mirror, slightly adjust the screen control. Do not turn too much. If it doesn't work, then call a JVC authorized repair center.

Jan 22, 2010 | JVC AV-27D203 27" TV

1 Answer

The Contrast and Brightness on tv appears to be dark.

If this is a CRT-based TV and it's been played most of the time, you may have a bad picture tube, especially if strong red colors bleed to the right. CRT's dim with use, unlike LCD or plasma. But it could also be trouble in the video circuits - none of this falls into the DIY category, unfortunately. High voltage involved, unless you're comfortable around it and want to try turning up the screen controls inside the TV. If you do, let me know - but "no response at all" from the external adjustments points to a more serious problem.

Dec 10, 2008 | Toshiba 36AF41 36" TV

1 Answer

Flickering multi-colored line in the middle of the screen.

You have a failure in the vertical deflection circuit. This could be either a bad vertical chip, the power supply that runs the chip or a bad capacitor in that circuit. This is usually a repair best left to a professional. There is a small possibility that it could be bad solder connections. If genlty tapping the unit temporarily solves the issue you can try and resolder the pins on the vertical chip LA7841 is the part number. There is also a resistor 1 ohm 1 watt. If that resistor is open you can assume the IC is bad

Oct 26, 2008 | Sanyo DS27800 27" TV

1 Answer

Tv turns itself off

hello. it sound's like you have a picture tube that is shorting out from a something arking in side of your set.!!! eather on the (CTR PIN COUSHION).!!! OR ON THS CHASSIE.!!! THAT WHAT MAKING IT DO THAT.!!! TIME TO GET A NEW SET.!!! HOPE THIS HELP'S YOU.!!! "GOOD LUCK"

Aug 11, 2008 | RCA 20F511T TV

1 Answer

Jvc av27d201 tv screen problem

You need to have the vertical output IC pins resoldered

Jul 16, 2008 | JVC AV-27D201 27" TV

1 Answer

Picture has green tint on startup

Jar-Head, bad news, the picture tube has a mild short in the green cathode, tech can come out and try to restore it but it`s usually a futile attempt on sony tubes, sorry to be the bearer of bad news, BMW Rider

Jan 14, 2008 | Sony KV-32S26 32" TV

1 Answer

Tv Flashes

Your TV has a bad picture tube = no reasonable repair possible......time to go shopping!....................T.

Your TV has a bad pix tube + a blown power supply!!
Time to move on ........T.

Aug 25, 2007 | Sony KV-35S42 35" TV

1 Answer

Mitsubishi black diamond tv

Might be a bad CRT or bad video output IC that drives the CRT that would cause this issue.

Apr 07, 2007 | Mitsubishi VS-1250 TV

1 Answer

Red screen Philips 28PW322/11

Does the Set Flash Bright red or Just a Dim Red

Aug 30, 2006 | Philips 28PW6506 28" TV

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