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Continued HDMI Issues


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#1 of 5 Izzy4AU

Izzy4AU

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Posted June 04 2011 - 03:05 AM

Hello Home Theater. I am a long time reader, first time threader,....

I am desperate for some help with my home theater. I have an extensive history with loosing HDMI mother boards in several pieces of my home theater. It has become a very frustrating and expensive problem. Bare with me while I try to briefly give my history. I will summarize as much as possible.

Set Up 1: Panasonic Plasma TV, Denon AVR 788 Receiver, LG DVD Player, and DishNetwork HD DVR Receiver, 35' inexpensive HDMI cable purchased online.

After 7 months of this set up, I lost picture. Diagnosed that the HDMI Mother board in the Denon had gone bad. Denon fixed the receiver under warranty. 6 months later, same issue. My receiver was no longer under warranty and I wanted to upgrade my TV anyway so I replaced the Denon as well.


Set Up 2: LG 55LH90, Denon AVR 790, LG BD390 Blue Ray, same Dishnetwork HD DVR receiver, 35' Monster Cable 1000 series HDMI.

Over a 14 month period the mother board in the TV had been replaced 3 times and the mother board in my Denon was replaced twice.,....


Set Up 3 (Current set up): Samsung UN55C7000, Samsung BD-D500 Blu Ray, Upgraded A/V receiver to Onkyo TX-NR708, same Dishnetwork HD DVR receiver, same 35' Monster Cable 1000 series HDMI, added a Monster Power HDP1800.

6 months and the Samsung is going in and out with a snowy screen,......


If you have had the patience to read this entire thread, you understand the frustration I am suffering from. This has become a very expensive problem! Considering I have replaced almost every component at least once, I am thinking the problem is stemming from the Dish receiver.


Is anyone having this same issue? Any insight or advise would be GREATLY APPRECIATED!!!





#2 of 5 Jason Charlton

Jason Charlton

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Posted June 05 2011 - 06:57 AM

Perhaps the problem is more environmental than hardware-related.  Do you have adequate ventilation around all the devices?  Do your HDMI cables have enough room behind each device to bend gently and not put any undue strain on the ports?


I can't really imagine that it's possible for a digital signal carried over a cable to actually cause a hardware failure... so I really don't think it would be the Dish box, but I suppose stranger things have happened.


I feel your pain.  Hope things work out.


Are you new to the Home Theater Forum? Stop by the New Member Introductions area and introduce yourself! See you there!


#3 of 5 Adam Gregorich

Adam Gregorich

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Posted June 05 2011 - 05:59 PM

That is odd.  Snow and or sparkles could be the cable. Different combinations of equipment may not work with certain long cables.  I would try a different HDMI cable and see if the problem goes away.  I recently installed a 40 foot HDMI cable from Blue Jeans Cable and have had no problems with it.  I have another location where I have used a 40 foot HDMI cable from Blue Jeans Cable and have had no problems for the two years it has been there.



#4 of 5 Izzy4AU

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Posted June 24 2011 - 07:12 AM

You guys bring up some very valid points. I have the equipment in an audio rack and there is limited space. I think I will try a different stand and look at a different HDMI cable. Anyone interested in a 35' Monster 1000 series??????



#5 of 5 braydon

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Posted June 26 2011 - 09:41 PM

great post is made in this forums and good to read this forum

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