Question about JVC AV48P776 48" CRT TV

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Hdmi not working why

I can't get my hdmi to work or even turn on how can i

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TV won't recognize PC through HDMI port anymore


Thanks for all the background, super detailed! I had a similar problem on a new Samsung that was really flaky with my HDMI from a raspberry pi. Would have to do all kinds of unplugging, cycling power etc like you're doing to get it to work. Once on it would work until I turned the tv off (actually doesn't turn off, but goes to sleep) and back on. Finally figured out that the resolution I was outputting wasn't supported, BUT sometimes it would work. Once I changed the resolution to a supported resolution it worked all the time.

Mar 26, 2014 | Televison & Video

1 Answer

Out of no where my Vizio won't show cable, Blue Ray, or shows on Roku. One of the HDMI ports hasn't worked well for awhile so would have to switch HDMI ports to watch Roku or Blue Ray, but overall worked...


you may need to change the HDMI board in the tv. it will be the hole board the parts are just to small to replace them all to get the HDMI board working again. find a second hand replacement. should be fine with another known working one.

Sep 21, 2013 | Vizio Televison & Video

1 Answer

My dvd wont switch on


Make sure all your wires are plugged in even your HDMI to HDMI because HDMI controls itself from the TV sometimes and will let it turn on without that HDMI cable being plugged in

May 12, 2013 | Televison & Video

1 Answer

Problem with Vizio SV421XVT


I am also having the same symptoms for my SV421XVT. TV works great except all HDMI ports are not receiving signal. Devices work through the AV Ports, and TV reception is fine. New Roku box is also not working through HDMI but works with AV. Wish I had a solution to this.


On a another forum for another TV it was suggested that boards need to be replaced. I hope I can get these boards for a reasonable cost.

Aug 16, 2012 | Vizio SV421XVT 42 in. LCD TV

1 Answer

How do u activate a hdmi port on your samsung tv?


I don't believe I can solve the solution, only sympathize, as I have a 46" C8000 and the 4 HDMI ports only seem to work when the TV has been in use for a while, and sometimes not then, I normally have to go to stand-by and turn the BD player on which in turn sends a signal to turn the TV on and on to the HDMI port being used, sometimes this doesn't even work. This is a replacement for the first TV which also had the same problem.

Dec 31, 2010 | Samsung Televison & Video

1 Answer

HT762TZ -hdmi off


Try new hdmi cable. Try different inpus on set. Try another known good signal source to determine is tv or souce device if at fault. If aother hdmi connector on set ok then replace main brd in tv, if none of the hdmi inputs work even with known good cable and known good signal sourse the replace main board in tv

Aug 29, 2009 | Panasonic DMR-EH57 HDD Recorder Player

2 Answers

Vizio Model#:L37HDTV10A After unpluging the HDMI cable & reconnecting it back, I don't have no more HD picture. The Component cable & HD antena works but no HD brodcasting with HDMI connection....


Is the HDMI port 2 work? Try to turn it off and turn it back on. If it is still not working then the HDMI ports have gone bad. You will need to replace the main board.

May 11, 2009 | Vizio L37 Television

2 Answers

My HDMI port no longer works


have you retried booting the hdmi cable by turning all products off remove hdmi cable then turn products on then re insert hdmi cable

Mar 11, 2009 | Olevia LT37HVS 37 in. LCD HDTV

1 Answer

Samsung HDMI issue


Have you try to replace your HDMI cable?I recommend you to pick up a good Monster HD700 HDMI cable from a local retail store like best buy or circuit city.In case it isn't the cable problem,you could return it.
However,when you are a using the HDMI cable,it is normally either have both picture and sound or nothing at all.Are you sure you didn't hook up the audio OUTPUT from your TV back to a receiver input?
Or even an optical output from the TV to the receiver?
solutiondoct

Sep 24, 2008 | Samsung SPN4235 42 in. Plasma HDTV

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