20 Most Recent JVC AV-27850 27" TV - Page 8 Questions & Answers

http://codesforuniversalremotes.com/

With remote control into standby!

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.

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/

Wait until loading has finished!

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

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

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...

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

Chec wiring..adisconnect somewhere

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.

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

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.

Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. https://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary. /

Without a remote control, you can't.

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

There are two types of reset to TVs. The first is simple to do; a Hard Reset; and 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; will be better. 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. Surf the site with patience. 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.

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

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

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.