You did not post the model number but if the unit uses pushbuttons on the actual set, the carbon coating on the inside of the switch pad is flaking off and causing problems. You may be able to remove it and clean it up and it would be fine, you may have to use a new coating on the buttons though.
Check the remote control for its infrared emission. Check it with fresh batteries. If you wish to get more details about how to check a remote control, please visit this site. One among the posts has details about it.
https://electronicshelponline.blogspot.com/https://elektrotricks.blogspot.com/https://electrohelponline.blogspot.com/https://remotesearch.blogspot.com/
One among the posts has details about how to check a remote control. Search the site by type in the brand name of your set, in its search bar at the right side column, and press enter. See it in desktop computer or b Webview by mobile. Mobile View has no search box.
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If there is sound but the screen is black, try shining a torchlight at the corner of the screen. if you can see some images, the probable cause would be the backlighting.
If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.
https://www.youtube.com/watch?v=TR2iWN6b-LY
LCD TV Repair No Power Power Supply Common Symptoms Solutions How to...
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.
http://remotesearch.blogspot.com/http://electronicshelponline.blogspot.com/http://electrohelponline.blogspot.com/https://homehol.blogspot.com/
If you wish to get some details; check the site linked here. Pull up older posts.
https://elektrotricks.blogspot.com/https://electronicshelponline.blogspot.com/
faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent. Search the site by type in the brand name of your set, in its search bar at the right side column, and press enter. See it in Webview with mobile or by desktop. Mobile View has no search box.
