Top 20 JVC HD-52Z575 52" Rear Projection HDTV-Ready Television - Page 8 Questions & Answers

sounds like main board fault. Contact any service technician to confirm. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Most universal remotes have a code self seeking method. You should find details in the manual as well as the helpline number, which is usually found to be helpful...

1. Open internal fuse 2. Power supply failure

Originally Answered: What does it mean when your TV has a black screen but is still producing sound? Unplug the power to the external device for 30 seconds. Disconnect the HDMI cable from the TV and move it to an alternate port. Plug the device back in, and power the device back on. https://www.quora.com/What-should-I-do-if-my-TV-screen-is-black-but-there-is-sound

Unplug the JVC from the power outlet for 10 seconds. Plug the JVC TV back into the power outlet. Hold down both the "Menu" and "Volume Down (-)" buttons for another 10 seconds. Just before releasing these buttons, press and hold the "Power" button. https://www.techwalla.com/articles/my-jvc-av-27920-tv-wont-turn-on https://www.youtube.com/watch?v=O-Uj0kPWdeQ

https://www.youtube.com/watch?v=Z1DEkSguWtg https://www.google.com/search?source=hp&ei=Otl1XoGBAbPlgwexr4WYCg&q=My+JVC+42"LCD+TV+goes+black+after+a+few+minutes+but+I+still+have+sound+%2C+what+could+be+the+problem+%3F&oq=My+JVC+42"LCD+TV+goes+black+after+a+few+minutes+but+I+still+have+sound+%2C+what+could+be+the+problem+%3F&gs_l=psy-ab.3...1859.1859..2718...0.0..0.293.293.2-1......0....2j1..gws-wiz.sLi4S6PGOCI&ved=0ahUKEwiBhvbOm6voAhWz8uAKHbFXAaMQ4dUDCAU&uact=5#kpvalbx=_n9x1XsyAKM-g1fAPluSg8A851

If you wish to get some details; check the site linked here. Pull up older posts. https://elektrotricks.blogspot.com/ https://homenol.blogspot.com/ http://electronicshelponline.blogspot.com/ Unlock procedure of many devices are given in detail. Type in the brand name of your device in the search box, and hit enter to get gathered related posts. See the website either in Webview with a mobile, or by a desktop computer. Mobile view has no search box.

Chec wiring..adisconnect somewhere

https://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=Lt-46n530p+remote&_sacat=0

Are you using the Android version of Firefox. If not, try using it. Regards Geoff

Main board fault. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Sounds like the power supply has an issue. Sometimes unplugging it and holding the power button for 30 secs. or so MIGHT resolve it. If not, possible blown caps on power board.

Unplug TV on minute.

You might want to go to Ebay and shop for a remote. How old is the tv?

it needs service, or buy the service manual and read. sound like the power supply inside is bad or the lamps back light. ask here http://www.us.jvc.com/support/

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

Set-up (Programming) procedure is too much to type in here, and is not practical and it will differ brand-to-brand remote controls. If you wish to get more; check the sites linked here. It has set-up code list & set-up procedure to many popular brand remote controls. One among it has general set-up codes to check with TVs and other devices are given, in the order of the 'device's brand name list' in alphabetical order. Pull up older posts. Search the sites by type in the brand name to your device in its search box at the top right part of the display window. It will help you to find the document easily. https://homenol.blogspot.com/ https://remotesearch.blogspot.com/ https://electronicshelponline.blogspot.com/ https://electrohelponline.blogspot.com/

THIS IS A FORUM ONLY , NOT A REPAIR SHOP

JVC LT-55n935 firmware update https://skepticalexaddict.wordpress.com/tag/jvc-lt-55n935-firmware-update/

Key lock?