If your Sony TV has a red light blinking with no picture, whether 4 times, 5 times, or 6 times, then you can diagnose the cause, and find out how to fix it, using this video.

In most cases, you have a main board or power board failure, but sometimes the cause can be with the internal components, or even something as simple as a software glitch.

Read the full article:
https://www.lapseoftheshutter.com/son...

You can also read the separate articles:
Your Sony TV red light blinks 4 times https://www.lapseoftheshutter.com/son...

Your Sony TV red light blinks 5 times https://www.lapseoftheshutter.com/son...

Your Sony TV red light blinks 6 times https://www.lapseoftheshutter.com/son...