Question about JVC Televison & Video

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JVC InteriArt 32 inch conventional TV 3 years old- no warranty. TV is switching off and coming back on every 57 secs. Lose about two to three seconds sound and vision. Checked to see if sleep timer was set. It was off. One suggestion is that microprocessor is at fault and very expensive to repair. One suggestion is to switch off set at socket rather than on/off switch for 4 hours or overnight to reset software. Will try that tonight. Any other suggestions other than give it a whack to see if can reconnect dry joints/loose connection?

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  • JVC Master
  • 73,619 Answers

Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/ Type in this key phrase " my service table today " in the search box at the top right of the the home page, to get gathered some pages which has the details of practical experiences of the author of that site. The search result might display about 20 Nos of related posts. Press the "All posts" at the bottom of the list, then you can select them one by one.

Posted on May 08, 2017

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 2315 Answers

SOURCE: Thomson 27LCDB03B

If all the voltages measure normal, the failure could be in the LCD's inverter board. I've checked the schematic and it seems like the 16 volts could be a bit higher, check the electrolytic capacitors filtering the voltage for the inverter board.
Click here to download the service manual.
Good Luck.

Posted on Sep 12, 2008

waynejamescm
  • 67 Answers

SOURCE: double vision on tv with purple and green colors

Hello,

This television set, as well as most rear-projections, is prone to convergence driver problems. There are two large chips (STK392-110's) in the TV that need to be replaced, as well as some resistors that are likely damaged as well. Any competent TV repair shops should be able to repair this TV for 200-300 dollars. It is important to note that if the back of the TV is taken off without the proper prep., the Digital input (DVI) will be disabled permanently.

Hope this helps you...

Posted on Dec 30, 2008

Slinteriors
  • 8617 Answers

SOURCE: My 52 inch RCA HD/TV Does not turn on

Replace CP150 on the deflection board and that should take care of the problem since it starts once in a wnile if it didnt start ever then you would need the 259296 flyback and the CP150 Capacitor.

Posted on May 11, 2009

Slinteriors
  • 8617 Answers

SOURCE: blinking timer light

The blinking timer light is usually caused by bad capacitors on the DM board. The V26 DM repair kit from www.tvrepairworld.com should repair that issue. The kit contains the parts and the Cd with instructions.

Posted on Dec 20, 2009

Ecollier2012
  • 3459 Answers

SOURCE: Double vision on my Mitsubishi 46 inch width screen--TV is 5 years old

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projeciton sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.

42d3683.jpg

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Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

Posted on Jul 03, 2010

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