Have TV Questions? Ask a TV Technician
If you press the menu button of the sets own remote control (during the time its black) does the menu come up please?
So you do get something on the display?
If there is a Menu button on the TV itself that will be good
I dont use the phone facility and in any case it will cost you more
OK its just that if you lose signals the screen will go black the menu check (or another input like a DVD player)will eliminate that angle
Hi , I`m Jack ,different tech. herePerhaps I can help you with this problem , let me know when you`re ready ?
I need you to try something first ;
Open the door at the front of the media receiver box and press the volume up/down buttons .
Do you see the OSD (on screen display) bar going up/down on the screen ?
When the picture goes out , do you get red and/or blue light blinking either on the media receiver or the tv/monitor itself ?
This tv model comes in 2 parts , it has has the tv/monitor and a media receiver box (not the Marantz) , it cannt work with out it so you must have it hooked up somewhere in the system .
By the way , did this problem start at the same time you installed that Marantz ?
Here is a picture of that media box .
Click the link below for the picture and if that link opens a login window popup then just close it with the upper corner X or the "no thanks . continue to view"The picture is behind that .https://www.dropbox.com/s/pmr2m6bj5zoyrpv/2016-01-21_1044.png?dl=0