20 Most Recent Sony KDL52W4100 - Page 4 Questions & Answers

The backlight inverterer section circuit might have damaged. Get it repaired by the authorized service center, as it is in warranty period.

If you wish to get more details, check this site. Pull up older posts there. Check the site with patience, as it has over 2200 posts now. All are related to electronic equipment repair help.

You have a defective panel.

Check and replace it main system control memory IC. It is faulty.

The main power regulator board should be troubleshooted. Visit the site named 'Electro-help' for more details. Click this link. View it in "Timeslide" or "Flipcard" option, which can be selected from the drop down box menu by the [Sidebar] tag, at the top left corner of the display window. You can also click the [Home] tab to see the latest updates. It will make search easy. There are more than 1350 posts to different brand TVs now. Pull up older posts there.

Some remotes have codes listed in the owner manual and also have a search mode where you can try every single code to see if one exists or not for the set being programmed.

The Tcon board is usually at fault with that symptom. You can get a replacement Tcon from www.tvrepairworld.com

I have the same tv with the same problem, replace the power supply boards and still had same problem, called in a tv repair man and I was told I have a main board problem bu board Watch Dog Timer used to track micro processors, led flashing 10 times cost around $425 parts and service call

Question edited for clarity. This is unlikely to work, although I do see the remote has a VCR/DVD Source button. https://www.amazon.ca/Players-Kv-20Fv300-Kv-27Fa310-Kv-32Fs320-Kv-29Fs120/dp/B0874DLQMP And Sony says it is not programable DVP-NS57P The model is not programmable. https://www.sony.com/electronics/support/remote-control-programming/models/dvp-ns57p https://www.google.com/search?q=sony+dvd+remote+codes You can buy a Copycat remote for the DVD Player if yours is lost. https://www.google.com/search?q=DVP-NS57P+replacement+remote ..