Question about JVC AV-20120 TV

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JVC TV - 7 years old

When my TV is switch on for a while(+- 30min), the screen starts to turn white and the goes on time mode. I need to reset it by switching the mains on and off. then the whole process start all over again. Any help will be apriciated

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I HAVE A BLACK BOX ON MY SCREEN

Posted on Feb 20, 2008

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You have to replace the 8 volt regulator in the secondary section of your tv.

Posted on Jan 04, 2008

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Posted on Jan 02, 2017

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1 Answer

I Have a 2year old JVC LT 24c340 HD which switches off after about 15 minutes , then after a minute or two the standby light comes I have reset the 'TV to factory mode but it still switches off


warranty requirements , on hidden defects.
no defects are expected within 4 years for just domestic use.
call your dealer , write to the importer, about the fault its not a JVC point to make products for only 2 years lifetime.








JVC LT 24HS340 Instructions Manual Page 2

Nov 18, 2017 | JVC Televison & Video

1 Answer

JVC Big Screen: Can't change input


Do a reset to this TV, and then check. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.

Sep 22, 2017 | JVC HD-61Z456 Television

1 Answer

Samsung lns4095dx/xaa after 30min the screen goes


The first place to start is with the Main bd. The second cause would be the T-con bd. Have a trained Samsung tech troubleshoot to find out and repair the set.

Jul 05, 2009 | Samsung LN32A550 32 in. LCD TV

2 Answers

Shows fault E04 remove & reattach battery


Do a search of this problem and you will ind that every JVC owner is having the same problem. I finally got mine "reset" by powering the unit on in payback mode while holding down the "play" button. Then, turn it back off and power it on in the camera mode while holding down the "rec" button. This seems to have reset it and I've not had anymore issues SO FAR!
Good luck with it.

Apr 28, 2009 | JVC Video Cameras

1 Answer

No video input -- all ports -- for JVC LT-37X688


JVC may allow warranty exception or some accomodation for 15 days out. You have 2 seperate issues

1. White lines spreading is probably a video process problem. I think this TV has 3 Boards inside. Middle one is most likely suspect followed by the one on the Right

2. HDMI input not working is because they were turned OFF. JVC TV's have a sensor that will shut off the HDMI if the TV's back cover is removed. This must be reset in the Service Menu.

Nov 16, 2008 | JVC LT-37X688 37 in. LCD HDTV

2 Answers

The screen is turning white when I change song


You could possibly try recovery mode?

or formatting it and starting over, see if that helps

easy way to format

1.Shutdown player
2.Hold Rec button
3.Turn player on
4.Plug your player into the PC
5.Go to My computer
6.Find a Icon named 16Mb Format
7.Open that and make a new text file
8.Name it sansa.fmt
9.unplug player and it will say Formatting.....
10.when its finished it will reset , or shut off, when its done turn it on and see if that helps

May 08, 2008 | SanDisk Sansa e260 MP3 Player

1 Answer

Tv volume goes down of its own accord


Hi,

Some dust in the button to lower the volume on your TV or on your remote control might be causing it to think it's being pressed. Try playing around with it, pressing it hard so as to relieve it of any pressure on the inside.

Jan 09, 2008 | Televison & Video

1 Answer

Television fault


it is not worth fixing get a new tv

Oct 31, 2007 | JVC AV-27020 TV

5 Answers

TV doesn't turn on


I bought a LG 39" flat screen 6 months ago. TV has been working great until this morning. Power comes on for about 5 seconds and then cuts off. Have checked all connections and have unplugged from wall to reset, NOTHING!! And a brand new TV!! Any help would be great!

Aug 10, 2007 | LG RU-52SZ51D 52" Rear Projection...

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