Question about JVC AV-27530 27" TV

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TV screen went black, sound OK

I have Mitsubishi Model CS 40507 TV. Recently atfer turning on the TV for about 10 minutes, the screen went black, sound is ok. Turn off TV and wait about 5 minutes, turn on TV, screen will remain on for 10 or 15 minutes before going black again. What is the problem? Thank you

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Re: TV screen went black, sound OK - JVC AV-27530 27" TV Standard (CRT) Televisions

Check cold solder vertical circuit

Posted on Feb 19, 2007

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Mitsubishi has offices in Brazil. Apparently, they are out of the consumer TV and consumer entertainment business for a number of years now.

With the phasing out of CRT television sets, I have my doubts you will find a flyback unless you can find a scrap TV of the same model as yours. You can also try eBay or others like that to see if you can find this part.

Jerry G.

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1 Answer

Black screen and no sound

I realized that there is a 90 day warrantee on parts and a 30 day limited warrantee on labor for the  repairs that were done. As I stated, the original problem was the picture shrinking after a few minutes of the set being on. The repair firm took my control board with them. When they came back to install the repaired control board in my set there was a load spark during the installation, after which I had a black screen and no sound.  The repair firm took my set them and installed a "CAP Kit", a STRM6511, and a "D1881". The set worked perfectly until two days ago.
I called the repair firm an they are coming out this Thursday to check out my TV.   I am hoping the problem is related to the failure of one of the parts installed to fix a similar problem which occurred after the sparking incident.

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2 Answers

1995 Mitsubishi 40" Television - Worth Repairing?

there are bad solder connections on the vertical deflection IC resolder them and you will be fine

Mar 13, 2008 | Mitsubishi CS-40503 TV

1 Answer

Picture faded to black, came back, faded again and had stayed black.

It seems your set has a loose conection in the high voltage circuits,in fact by now it should have many loose conections in different areas like the power supply and the horizontal deflection circuits,if you are familiar with tv service you can use the information as the first step to take,some of the loose conections are hard to see even for the trained technician but the one giving you this problem should not be hard to see,if you are not too familiar with tv service be safe and call for assistance from a servicer a least for an estimate.

Oct 11, 2006 | Mitsubishi CS-40507 40" TV

1 Answer

Brightness and volume

The dark picture is a bad capacitor for the screen or drive voltage for the picture tube driver transistors. The other problem of streaking is one of the same. Thats the indication that a capacitors defective . It could in a rare cas ebe a defective or gassy crt as well but 99% of the time when a crt is said to be gassy its nothing more then poor drive to the crt. Good luck

Jun 13, 2006 | Mitsubishi CS-40507 40" TV

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