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768 posts

Ultimate Geek

#208469 13-Feb-2017 15:26
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My approximately six year old LG TV gave up the ghost just before Christmas - the HDMI system failed. As the internal tuner had failed about four years earlier this meant it was no good to me at all, so I replaced it. I figured six years was a pretty good run so didn't bother trying to claim a replacement under CGA.


Fast forward to February and now it's the AV receiver's turn. It's just a shade over four years old and is an entry-level Pioneer unit (VSX-319 or something) that came bundled with a basic 5.1 setup. The HDMI system went from working fine, to patchy, to completely dead over the course of a week or so. It still works fine as an amplifier only but I can't use it as a receiver at all.


The Onkyo HDMI failures were widely discussed on this board but I didn't think this was a wider issue. Have I been incredibly unlucky, or is HDMI circuitry in general - regardless of brand - inherently doomed to early failure? It makes me pretty reluctant to cough up more money for a replacement. I'm especially annoyed about the receiver because, while I kind of jumped at the chance to upgrade the TV, I was perfectly happy with the receiver and really don't need any additional features.


Lastly - would you guys press the case for a CGA replacement for an approximately four year old receiver? Bought from Noel Leeming. I feel like this isn't really acceptable lifespan, but it's getting into borderline territory.

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546 posts

Ultimate Geek


  #1719471 13-Feb-2017 15:51
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I assume you are (were) using the receiver as an HDMI switch?  What sort of devices are connected to the inputs?



768 posts

Ultimate Geek

  #1719476 13-Feb-2017 16:00
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I assume you are (were) using the receiver as an HDMI switch?  What sort of devices are connected to the inputs?



Correct. For the majority of its life I had an HTPC plugged into HDMI 1, a Chromecast plugged into HDMI 2, and a desktop PC plugged into HDMI 3 (this was retired about a year ago after a furniture move). I had an HDMI cable plugged into the fourth input which very occasionally had a laptop plugged into it. The HTPC was the active input the vast majority of the time.


Other relevant points: it was sitting in a TV cabinet, but one with an open front and back and about 10cm of height clearance. So ventilation was pretty decent.

4031 posts

Uber Geek

  #1719507 13-Feb-2017 16:58
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Try the CGA, it may well get repaired at no cost / a discounted rate...




Causes for premature failure of HDMI boards can be:


Hot swapping HDMI cables - this is actually quite likely if you've been plugging in your laptop to one cable while the amp / laptop have been powered up. HDMI carries juice, so it isn't recommended to hot swap.


Poor implementation of HDMI boards (Onkyo obviously suffered).


Squashed cables - people often push the amp right the way back into the cabinet and the bulky HDMI cables get squashed into the woodwork, with damage to the ports being the end result.




Try a full factory reset.


Try updating the receivers firmware.


Try swapping out cables.



546 posts

Ultimate Geek


  #1719509 13-Feb-2017 17:02
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Power spikes (especially lightning) can cause multiple HDMI failures. I had one that took out all the ports on my TV, PS3, Denon receiver and Sky's cable decoder in one shot.  I suspect the spike came through the decoder because the guy who replaced it said he'd done a lot of others in the vicinity, but that's only a guess. On all the devices everything else still worked fine.  Your failures don't really fit that picture though, unless you've had a recent thunder storm.


Damage from spikes seems to be a fairly common cause of HDMI failure - apart from that most people say they are quite robust.


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