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50 Inch Samsung plasma tv model # PN50A450P1DXZA none of the HDMI ports will work. It tells me no signal though it sees which HDMI port I have plugged into.

I have tried several devices and several HDMI cords which I have plugged into a different tv so I know they work.

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: 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

Posted on Nov 06, 2008

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SOURCE: hd tv doesn't work at all says invalid format

is the tv 720 or 1080. it wont work if your inputing 1080p to 720p or 1080i

Posted on Dec 24, 2008

  • 1 Answer

SOURCE: Westinghouse 1080P 42" LCD TV - HDMI stopped working

Just reset the TV found out how here: http://www.danielcoburn.com/uncategorized/westinghouse-1080p-42-lcd-tv-hdmi-stopped-working-fix/
Hold the power button for 10 seconds.

Posted on Jul 26, 2009

  • 1 Answer

SOURCE: All of the HDMI ports on my JVC lcd tv are not working.

I had the same problem on mine. It is a factory defect. It means your HD box that controls HDMI, USB, and RED GREEN BLUE component. Usually the red, green, blue, (720 HD) component is still functional, but the HDMI and USB are shot and can only be replaced not repaired. If your warranty is still valid and you have your receipt call JVC and they will give you the number to a certified warranty repairman. If you do not have the receipt they will not fix it. If you do not have the warranty and decide to repair it yourself or send it out, the fix is not difficult but it is costly. The box is about $1000.00 and the labor varies. The last option is to sell it for parts. If you decide to do this I will purchase the broken television from you. But if you have your warranty info there is nothing to worry about.

Posted on Aug 02, 2009

sabreusa
  • 271 Answers

SOURCE: HDMI failure Samsung HL-R5087W 50 in HDTV

After reviewing the service manual for this set, the problem is is in the DIGITAL BOARD. To get the right Digital Board you will need the Version number of the TV.

Good luck
N Sabre

Posted on Nov 09, 2009

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