Facing TV Problems? Ask a TV Technician.
Hello, Sorry you're having problems. When you mention the "cable/tv" input, are you referring to the coaxial connection on the TV (no cable box) or a cable box connected to the set perhaps via HDMI?
Additionally, the reason for the questions is because the screen going black can be caused by either the "Source" (meaning the cable BOX or HDMI cable) or the TV itself.
So we need to know specifically what is connected to the TV, and also once the screen goes black, please grab the original Sanyo remote and press MENU. We need to know if the set's own MENU appears. This rules out the external connections.
Let me know what you find and we can proceed.
If you need further assistance let me know. Before you go, PLEASE DO click at least a 3 STAR RATING, at the top of your screen (scroll up the page to get to the STARS). That is how I am credited for my efforts by the site. You can follow up any time as needed at no additional cost.
Do you need further assistance with this?
Okay, we cannot tell anything with the back removed at this point, as we need the set plugged into the wall and we need to get the screen to go black, then check for the following:
1) Does the MENU display?
2) When the screen goes black are the backlights in the screen lit?
Okay no problem, simply reply back when able. I am on and offline throughout the day. All testing inside of the set requires a multi-meter, a source connected to the TV, and then to check the status of MENU and backlights first, then use the multi-meter to test the LED output pins on the power supply.