About 3 months ago I had all my hdmi ports go out at once.I tried reset and the setup for plug and play fix and meither worked.I can still use the component which works for now.Is there a diy fix for this?Can I by another daughter board and replace?I have repaired other lcds before but not my own.I love the picture on this set and would like to keep it.It actually is a replavement Samsung sent me when they tried 3 timees to fix my ln46a750 3 years ago.anyways any help would be appreciated.
Hello,
This repair can be DIY by replacing the main board. All the HDMIs are located in there.
If you can find the part that controls the HDMI signals and replace it, it might be a cheaper solution, The IC location is IC1401.
Let me know if you required further assistance.
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
SOURCE: Screen goes completely out.
when it blanks out, tuen the lights out in the room, and shine a flash light at the screen, see if you can see the picture, if you can, it is the inverter moard blamking out, thats the board that lights the back lights, if you cant, hit the input button on the remote, if the TV comes back with a picture, it is a problem with the main board, in paticular the componant input on the main board
SOURCE: Broken HDMI Port for HP-R5072
The HDMI input along with others is located on the a/v control panel of which would have to be replaced. I haven't seen an input jack yet with a part number attached for any model. I would suggest call a service center for a diagnosis.
SOURCE: 1ST TIME SETUP OF NEW TV...HAVE AUDIO, NO VIDEO
Are you getting sound through the TV from the DVD, or is the sound from the DVD coming out of your home theater/surround sound system (if you have one)?
If it has more than one HDMI port (on the TV) try changing it. If not look around in your DVD settings as it might think it is only giving audio through the HDMI to a audio/home theatre system. And using the other video outputs to give the video instead.
It shouldn't be a problem with the cable, since it is digital, if it were not to work - nothing would, or the audio would atleast be coming out weird (it it wasn't working).
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