Question about JVC Televison & Video

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JVC TV turns on from standby the returns to standby after 30 -40-50 mins then back on after a few mins then standby after about 3 mins etc.

Time on gets shorter, time on standby longer until picture is on for seconds before returning to standby. Whwn on self induced standby will not respond to "on" signal from remote.

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  • JVC Master
  • 74,136 Answers

Fault with the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
Check for any loose solder terminals at its main power regulator section circuit. Re-solder all the suspected solder terminals; by applying a little more solder to each terminals. The fault is with any loose solder terminal/s at this circuit stage.

Posted on Nov 20, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

SOURCE: Flickers on cold startup after 5 min then goes away in 2-3 min.

I had same problem. Tech's said the power was noisy. I cleaned up the power but the TV still did exactly as you describe. Problem will progressively get worse with longer bouts of flickering. I was under warrenty and sent the TV back. After 3 months I am still waiting for a repalcement.

Posted on Aug 21, 2007

  • 2 Answers

SOURCE: Westinghouse LVM-37w1 Goes immediately into standby mode

Power suplly. In my case I should have done research on a lot of things before purchase - westinghouse doe snot acknowled any power supplly uissue but they would say that, and this is a direct quote from them, "Westinghouse's failure rate is less than 2%, which is great by industry standards. Unfortunately, when you sell millions of televisions, 2% is still a lot of televisions. There have been no recalls on this model (or any of our models), but it's not surprising to find a similiar issue on more than one of millions of televisions."

In other words they calim there is nothing that is really their fault. However the first thing the repair guy said before he even looked at it was "Power supply". He opened it up and tested - power suplly. However to complicate matters more I made is huge mistake of buying into a scam offered by eCost via Service.net . A two year, 100%, in home service, warranty. Bottom line is since June 8 my Monitors has not worked and sine July 7 it has been sitting untouched, not here, but at a rprair facily over 50 miles away. As of yesterday August 7, I was told Westinghouse no longer makes or provides power supplies for this unit. On top of that the repair facility will not return it to me unless i pick it up why? Because it can't be fixed and because service.net will not pay them to return it to me.

So solution at thi point for anyone with power supply issues is to try and repiar it yourself. And then in the future never purchase anything from westinghouse again. (And if offered any sort of 100% all cost covere din home warrabnty from service.net run away screaming)

Posted on Aug 08, 2008

mistersony
  • 320 Answers

SOURCE: tv immediately turns off

Four flashes indicates a problem with the backlight on the TV. It can be caused by the backlight inverter board (the power supply for the backlight) or by defective backlights in the panel It is USUALLY the backlight inverter board that is bad, but I have seen both components fail at various times. This set is fairly new and should still be withing the one year warranty, so you should contact Sony at 800-222-SONY to get it repaired. Be sure to rate this solution. Thanks!

Posted on Nov 17, 2008

Shuttle83
  • 1139 Answers

SOURCE: Vizio SV470XVT1A makes screeching sound

Hello,

This sounds as if it could be a ballast problem, or a switching power supply transformer problem. Both of these can produce this sound. I would suggest that you have a qualified TV technician repair this set due to the dangerous voltages and currents that could be present. In my experience with these TV I would have the technician pay special attention to the power supply board and the backlight/inverter section which includes the ballast used to fire the backlight.

I hope this helps,

Thank you,


Shuttle83

http://www.electron-age-technologies-llc.com

Posted on Jun 17, 2009

  • 32 Answers

SOURCE: TV powers up initially, but shuts down within seconds.

These TV's are somewhat sensitive to internal heat. It appears your sensor has triggered an overheat. This doesnt mean you still have the heat issue, it just saying it needs to be replaced or reset, either way it is not something you can do in your home. Taking it to your local authorized shop will ensure proper repairs, about $90 worth.

Posted on Jul 24, 2009

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