[mythtv-users] Issues with my HDHomerun: Resource temporarily unavailable

[Mike Perkins]

On 04/01/15 17:16, Andrew C. (AFPup) Stadt wrote:
>
> On 1/4/2015 8:57 AM, Gary Buhrmaster wrote:
>> On Sun, Jan 4, 2015 at 3:32 AM, Ian Evans <dheianevans at gmail.com> wrote:
>> ....
>>> The power LED is solid for hours at a time until a recording starts. So is
>>> it safe to assume that the increased load that occurs during a recording
>>> causes something in the wall-wart to, say, overheat and cause the HDHR's
>>> "reboot"?
>> The typical failure mode of these POS bricks is the cap
>> fails after a few years (heat related, usually), and you
>> get extremely high ripple voltages.  Random stuff then
>> happens (well, not random, predicable based on the
>> internal components and design)  Observed/Reported
>> symptoms include (random) resets, and signal lock/quality
>> issues.  If one opens the black POS adapter, you can
>> usually observe the bulging cap, and even replace it,
>> if one desires, but obtaining a high quality replacement
>> even for the cap can sometimes be hard.  Easier to
>> just replace the adapter.
>>
>> Personally I automatically replace all my provided POS
>> supplies with high quality switching supplies from OEMs
>> such as Delta within days of purchase just because I
>> like reliable power, but I have an advantage that I can
>> walk to a local surplus store (and 10 minute drive to
>> another) that sells them at huge discounts, so I do
>> not pay the manufacturers retail prices.
>>
>> Note that I do not know what availablity you have, but
>> the D-Link JTA0302B reportedly works (based on
>> reports of others).
>>
>> As I recall, these are the same supplies as used for
>> BeagleBone Blacks, so you might be able to find a
>> match based on that.
>>
> I've been using an old ATX 900 watt power supply that still has a pretty good 5v
> rail, and just use some terminal strips to distribute the power to my HD-PVR's,
> HDHR, and several other devices. Then use the 12 volt rail to power a bunch of
> led lighting around the house.
>
Some of those ATX power supplies depend on having loads on certain rails; 
obviously YMMV if you try this route.

I had one that couldn't be used for a diskless workstation because it required a 
hard disk load to keep everything steady, just what I didn't want. It worked 
perfectly in another box which had a higher power consumption.

-- 

Mike Perkins