Originally Posted by lovingdvd All HDMI inputs stopped working
Hi all - I purchased the PN63C8000 about 2.5 years ago from Best Buy with the full black tie extended warranty, which is still valid thru the end of this year.
Yesterday when we put the TV on the signal came in for a split second, then flash purple and then the TV said "No Signal - Check connected device's power, cable connection, and source selection." I did check that of course and all that was fine.
To troubleshoot this I tried moving the HDMI cable from HDMI 1 - 4 and switching inputs and had the same problem on each input. I also tried using my Blu-ray player as a source, just in case something happened to the cable box, but still no picture and same error on the TV. As a last step, I plugged my Chromecast into each of the 4 HDMI ports and switched the TV to each input and still had the same issue. I believe this eliminates all sources and cables (especially since Chromecast doesn't even use a cable) as a possible issue, leaving only the TV as the problem. The TV menus all display fine and the built-in beach picture in diagnostics plays without issue. I also tried unplugging the set for a little while to see if a full power cycle could solve it but it didn't help.
The Best Buy Geek Squad, who comes out for the BB black-tie extended warranty support, is coming early this week. I am covered for parts and labors on any repairs and eligible for a suitable replacement if it can't be fixed.
A few questions please:
1. Have I properly done the troubleshooting and is there anything else you can think to try?
2. Has anyone else experienced this problem on the TV?
3. Any idea if the necessary board(s) required to be replaced are available and are replaceable by the Geek Squad, or if for this type of issue they are likely to just offer a replacement?
4. Does anyone know which replacement brands/models Best Buy will offer for this unit? I see there is a Samsung 64" Plasma PN64F8500AFXZA with 600hz refresh. Would they consider this eligible as a replacement? I am VERY sensitive to flicker and now that in the past plasma has tended to use a slower refresh rate than other technologies. So as an added perk of the replacement I am wondering if the picture will appear more "stable" without flicker with this 600hz unit compared to mine (although no one else sees the flicker in the current unit, I can't help but notice it).