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Sighs. The HDR just blew up!! |
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#1 |
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Forum Member
Join Date: Dec 2008
Posts: 2,494
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Sighs. The HDR just blew up!!
Beginning to wonder if Humax are cutting corners on component quality. My HDR just blew up.
I left the room it was working. Came back and the screen was blank. Replaced the fuse. The LCD came on "Booting" but was flickering then died and the fuse was blown again. Did this for several fuses. Was warm around the power supply area with a smell of electrical burning so I strongly suspect a component on the mains to 12v conversion board. Sighs. |
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#2 |
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Join Date: Nov 2003
Location: Cradley, Halesowen, W.Mids
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Ouch. Have you made any modifications to it such as installing a larger hard drive?
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#3 |
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Forum Member
Join Date: Jan 2009
Posts: 54
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Quote:
Beginning to wonder if Humax are cutting corners on component quality. My HDR just blew up.
I left the room it was working. Came back and the screen was blank. Replaced the fuse. The LCD came on "Booting" but was flickering then died and the fuse was blown again. Did this for several fuses. Was warm around the power supply area with a smell of electrical burning so I strongly suspect a component on the mains to 12v conversion board. Sighs. Its better it fails now rather than the day after your warranty ran out. |
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#4 |
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Quote:
Ouch. Have you made any modifications to it such as installing a larger hard drive?
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#5 |
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Join Date: Dec 2008
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Quote:
This is electronics. Things do fail its part and parcel of life. What matters is how its resolved and how quickly to get you back up and running.
Its better it fails now rather than the day after your warranty ran out. |
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#6 |
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Join Date: Jan 2007
Location: Nottingham
Posts: 52
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Quote:
Its better it fails now rather than the day after your warranty ran out.
It would be interesting to know the answer to the question asked by Richard though, if only as a warning to others, have any modifications been made? Edited:- Sorry, I missed the post about the bigger hard drive. |
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#7 |
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Join Date: Nov 2008
Location: Hawkwell, Essex
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Quote:
Yeah but I put in a proper HDR drive not a high power pc alternative so all within normal power spec. All reversed now.
![]() Did you have to remove a warranty sticker to open the box? ![]() Rgds. Les. |
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#8 |
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Join Date: Dec 2008
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Yes but I got it back.
No worries anyway, despite being 6 months old my retailer offered me a brand new box, so no repair needed.
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#9 |
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Join Date: Nov 2008
Location: Hawkwell, Essex
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Quote:
Yes but I got it back.
No worries anyway, despite being 6 months old my retailer offered me a brand new box, so no repair needed. ![]() Are you going to put the 1TB HDD in, or leave it as is for a while? Rgds. Les. |
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#10 |
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Join Date: Dec 2008
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I'm going to leave it for a while.
Maybe try usbing it. Does anyone know, can I record HD with the HD attached via usb? |
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#11 |
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Join Date: Nov 2008
Location: Hawkwell, Essex
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Quote:
I'm going to leave it for a while.
Maybe try usbing it. Does anyone know, can I record HD with the HD attached via usb? Rgds. Les |
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#12 |
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Join Date: Dec 2008
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Oh well might be going back in then.
I'll just double check the power draw to make sure before re-fitting. |
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#13 |
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Join Date: Dec 2008
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Deleted as Duplicate.
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#14 |
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I've just checked the power specs for anyone interested.
Original Hard Drive: 5v 0.375A12v 0.290AReplacement Hard Drive 5v 0.70A12v 0.55ASo technically the replacement has twice the power consumption although in reality we're talking around 200mw difference on a unit with a 2.5A output rated supply. I would think its highly unlikely the replacement would cause the PSU to fail therefore unless Humax have absolutely specc'ed it to the upper limit to start with. Again I would have thought this unlikely and if you were to add a CAM Card, I would have thought the consumption of that would equal the difference. To be safe I might use an external caddy this time around and run a SATA from inside the casing but I don't think the power difference should affect anything. I don't suppose BobCat will want to comment with this being a modification but maybe he could perhaps confirm power limits whilst saying that mods are not approved? |
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#15 |
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Join Date: May 2005
Location: Redditch Worcs
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Quote:
Oh well might be going back in then.
I'll just double check the power draw to make sure before re-fitting. |
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#16 |
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Join Date: Dec 2008
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Should have read 200 milliamps not milliwatts.
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#17 |
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Join Date: Jan 2007
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Quote:
Should have read 200 milliamps not milliwatts.
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#18 |
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Join Date: Dec 2008
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Western Digital:
WD10EVCS 1TB |
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#19 |
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Join Date: Jan 2007
Posts: 19,460
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Quote:
Western Digital:
WD10EVCS 1TB |
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#20 |
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Join Date: Dec 2008
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Quote:
OK so it is one of the WD specific PVR drives- as you say, that is still a very small amount of power the drive is using- do you know what the wattage of the power supply in the HDR is?
Given the climb in consumption is only a little over 200 milliamps, I think it highly unlikely it would make any difference. After all, what happens if you put a CAM in the slot, surely that uses 200 ma and that's even assuming the power supplies output is at the absolute limit to start with. I'd be very surprised if the power supplies didn't have headroom as PSU's tend to be hot and inefficient at their limits. |
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#21 |
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Join Date: Apr 2005
Location: Surrey, UK
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Possibly just a random failure, it happens once in every few thousands units. It's statistics, anything mass-produced has a finite failure rate and each component contributes toward that rate. We could perhaps produce a product that had a lower field failure rate but then prices would increase and a balance must be struck. Some products will last forever, others will fail at the factory (as per the bell curve) the majority will last for many years (yes, we do aim for well beyond the warranty).
The new drive might have contributed, the mains supply of the house might have contributed, or a component might have randomly failed due to manufacturing tolerances. That is why we have the warranty! What I can of course say is that the fact that the drive drew double the power could be a significant factor and strictly it should perhaps not have been replaced. I don't know the expected designed power draw of a drive for this unit, but I am glad that for your satisfaction it was replaced for you. I note from the supply chain that second generation large capacity drives of the same type we currently use in our PVRs actually consume less power than the current generation of drives and this would help with lifespan. http://en.wikipedia.org/wiki/Mean_time_between_failures http://en.wikipedia.org/wiki/Stochastic_process http://en.wikipedia.org/wiki/Deterministic_system |
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#22 |
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Join Date: Dec 2008
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Thanks for the reply Bob.
I think to be safe I'm going to use an external housing this time and just run a sata cable out from the main board connector, that way there's no additional power demand on the Humax. I can't see why the replacement drive would have caused a failure when properly fitted but as you say. Only good thing is the retailer let me take out a 3 year extended warranty as well despite being 6 months from purchase. That's what you call service! New box and a 3 year warranty (£30). BTW the house mains should be OK. Its only a few years since we had a complete re-wire and the entire mains supply system is on double pole RCD's that monitor not only earth but live feedback as well so its a very highly protected system when it comes to shorts or surges or any form of instability. Don't suppose you could let the new drive model manufacturer and model number slip could you Bob? Might save potential problems if people knew which drive had been tested to work within Humax boxes. |
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