Question about Toshiba 57H83 57" Rear Projection HDTV

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Got a Toshiba LCD TV BV702 40inch with no sound, tried all the usual stuff unplugging reconnecting etc, even done a upgrade on the software but nothing is working it's only 8 months old. Please he

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Posted on Jan 02, 2017

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SOURCE: Toshiba TV Keeps shutting itself Off.

If you're NOT still under warranty you should at least open the TV and look for a blown fuse near where the power cable enters the set. A lot of times you can buy replacement fuses at a local electronic or hardware store and they're easy to replace. Check the fuse. If it is blown, it will be obvious and make sure that the set is unplugged before replacing it. If it blows again, or if it is not blown, your problem is probably in the 'X' volt regulator and you will need professional help with the repairs. You can also check the board where the components are mounted and resoled any that look bad. Brief power outages may cause the TV to turn off on its own. If you are using a surge protector, try connecting the set directly to the wall outlet. In your case it could caused by a blown fuse, a leaky diodes or a bad solder joint at the horizontal drive transformer. All can be replaced at a local electronic or hardware store and they're easy to replace If this does not correct the problem, you may need to have your TV serviced. good luck!

Posted on Jan 15, 2006


SOURCE: 53hx71 toshiba

I had this problem and paid a repairman to fix it. He said he has seen it often in this model, and immediately repaired it. It works now. He replaced two 18 pin switching modules, about a 1/4" x 2" x 1"; and 3 "micro-caps"(fuses?). It took about 45 minutes and cost over $400.

Posted on Jul 04, 2007

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SOURCE: No picture, sound works. Screen flickering

It sounds like the video output isn't
working its most likely a component
failure 1 thing you could try is connecting
a rca cables from video/audio out on the set to
another set vid/audio inputs to see if it the video gets
through.This is a problem that requires technical
knowledge and test equipment to trace the video

Posted on Nov 22, 2007

  • 8617 Answers

SOURCE: TV. will not come on

you are having a problem with the power supply or shutdown you have any troubleshooting skills? i would check horiontal output and regulator transistors first.

Posted on Feb 04, 2008

  • 3 Answers

SOURCE: No picture, sound works. Screen flickering

That problem is caused by the Y Sustainer board.

Posted on Apr 05, 2008

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What's wrong with my Toshiba LCD TV? I have sound but no picture. I've read forums and websites but they all have slightly different info. Please help

If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Nov 16, 2015 | Toshiba Televison & Video

1 Answer

My girlfriend has a toshiba 32rv530u TV. when she first connected it to her time warner cable everything worked fine. since then time warner has added free hd channels for the local commercial stations...

After u deleted all the HD channels u don't want.Tries unplug,replug the cable box back like about an hour.For the box to upgrade it softwares,should be deleted all the HD channels u deleted.

Feb 06, 2011 | Toshiba REGZA 32RV530U LCD TV

2 Answers

I have a Toshiba 40RV525U LCD TV. Wondering how to

if it is with hdmi input call toshiba--free software upgrade

Jul 12, 2010 | Toshiba 40RV525U 40 in. LCD TV

1 Answer

The audio cuts out for several seconds while most channel.

Call Toshiba they should send you the software upgrade directly so you can install it yourself. The service technician should hsve done that for you. If I would have been there after I called Toshiba's techline I would have downloaded and installed the upgrade while I was there.

Dec 09, 2009 | Toshiba 52XV540U 52 in. HDTV LCD TV

1 Answer

Picture went black during viewing and won't return

its looks ur screen is u only have the set for 18 months i assume u have no warrentie left'
may go in touch with TOSHIBA and tell them ur problem u have......
but it looks to me u need a new screen,,,,,or may a service will solve ur problem,,,,,it may cost u .......but may cheaper as a new screen

Nov 20, 2009 | Televison & Video

1 Answer

No picture, just vertical color lines scrolling down. Audio is fine.

The T-con board in your TV is defective. The main board could be an issue too but the fact that you are getting sound means that the main board is most likely good. The T-con board is part of the LCD panel and usually is only available with the LCD panel.

The way to fix it is to replace the whole LCD panel. This is done by taking the back cover off and removing all the boards in the TV to get the LCD panel. When you remove it, it will leave only the front plastic bezel and replace with the new one. Reconnect all the boards to the panel and the problem will be resolved.

Oct 12, 2009 | Toshiba SD-P7000 17 in. TV/DVD Combo

1 Answer

The TV is not picking up signals from Directv remote or the tv remote. Can only turn tv on and adjust volume from console not remote as usual

Tries turn the Direct tv decoder box off/on button,or unplug and replug, so the software can run it upgrade.Take out the signal input as a HDMI or cable connect direct to the antena port in the tv. Check for wear and tear and reconnect,change all batteries in the remotes.That should get u up and running,not than u have electronics componnent defective somwhere.

Sep 26, 2009 | Vizio L32 32 in. LCD HDTV

2 Answers

Screen stock on Software Upgrade Application

First of all the software update may not have been done yet, when tv's go through an update (depending on which update) the set can turn it's self off and seem to be done, but you need to wait it out and the set will turn it's self back on, Wait it out for about 30 minutes before doing anything. be paitent. UNPLUGGING THE SET CAN DAMMAGE THE TV DURRING A SOFTWARE UPGRADE!!!

If after a LONG period of time try unplugging the set and re-setting the micro. But only as a last resort!

If the upgrad failed and you can't get the set to function properly you need to change the ssb board. If the set is in waranty, waranty should cover this.

Sep 03, 2009 | Philips 42PFL5332D 42 in. LCD Television

1 Answer

Toshiba CT-90275 remote

I have the same piece of junk remote and it has been slowly losing functionality over the last two months. Strangely enough, the only thing mine WILL do is scroll through the channels. Toshiba is about useless but if your TV is still under warranty, I'd call them and complain if this doesn't work. They are out of the remotes so plan on waiting awhile.

Turn off the TV and all the other things the remote is set up to control. Best to just leave that room altogether. Remove the batteries from the remote. Then, in turn, press each of the silicon buttons on the remote from top to bottom. Do NOT move the mode select switch at the bottom. Make sure you've hit each and every button. Replace the batteries and go try to see if it will work. Supposedly, this removes the static electric charges from the contacts under the buttons and will occasionally get the remote to work again. I had no luck at all. I've been waiting six weeks for a replacement and still no dice. The fastest way to fix the problem is to just go to an outside supplier and buy another one for $30. Then should Toshiba actually ever send you a replacement, you'll have one for the next time it crashes and burns.

I have a Toshiba 37HL67 model LCD and there is also supposed to be a firmware upgrade needed for those type models. The odds of that being the problem are so remote as to not be considered, but you never know. You will have to contact Toshiba to find the nearest repair dealer and have them do the upgrade. The upgrade is pretty simple. You unplug the TV, remove the cover for the card insert on the back of the TV, insert the firmware card. Replug the TV, follow the instructions on the screen, unplug the TV when it's done, remove the card, reset the little cover, plug in the TV and let it reboot. Toshiba guarantees that they will make the service guy come to you, but they usually are too lazy and want you to bring the TV to them. Toshiba will force them to do it, but if you can just get them to give you the firmware card you can download the instructions. Hope this helps.

Nov 06, 2008 | Televison & Video

1 Answer

Our newly purchased Toshiba - REGZA 42" 1080p Flat-Panel LCD HDTV has a fuzzy "snowy" picture. Direct TV is our satelite provider.

First check if this happens in other external video source as well, like DVD/CD/VCR, etc. If it does, get the set replaced under warranty.

If it happens only with the Direct TV setup, try unplugging the set top box from both power supply and TV. Wait about a minute and reconnect. If the problem is rectified, the issue is with the setop box. Call Direct TV in this case.

May 19, 2008 | Toshiba Televison & Video

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