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Guest Message by DevFuse

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Genie client C31 running hot @150°F


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72 replies to this topic

#26 OFFLINE   P Smith

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Posted 12 April 2013 - 09:49 PM

I would suspect, no fan inside of C31 as for Joey ... not installed just for cut its cost :(

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#27 OFFLINE   betterdan

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Posted 13 April 2013 - 08:45 AM

Just turned on and checked the C31 in the spare bedroom and it is 147F. It is also out in the open on a shelf that the TV also sits on. Temp in the house is about 67F

#28 OFFLINE   Beerstalker

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Posted 15 April 2013 - 01:19 PM

Or maybe this is just as simple as the hardware/software not posting an accurate temp.  Has anyone checked one with an infrared/non-contact thermometer.


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#29 OFFLINE   P Smith

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Posted 15 April 2013 - 01:35 PM

I did measure Joey - confirm the its temp



#30 OFFLINE   Diana C

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Posted 15 April 2013 - 04:42 PM

Perhaps we have discovered the reason for the C41s...they run MUCH cooler (under 120 degrees).

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#31 OFFLINE   veryoldschool

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Posted 15 April 2013 - 04:48 PM

Perhaps we have discovered the reason for the C41s...they run MUCH cooler (under 120 degrees).

Mine don't show that big of a difference. 143 verses 134


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#32 OFFLINE   Diana C

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Posted 16 April 2013 - 06:03 PM

Hmmm...mine is only 116 at the moment and I've never seen it above 118.

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#33 OFFLINE   P Smith

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Posted 16 April 2013 - 06:25 PM

Perhaps it's nice to know, but how it could help these owners of overheated C41 ?


Edited by P Smith, 16 April 2013 - 08:02 PM.


#34 OFFLINE   TomCat

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Posted 16 April 2013 - 07:49 PM

There's really nothing I can do except put a fan blowing on it. It is out in the open with comfortable temps in the house. If it dies, it dies.

 

Agreed. I like the attitude. Another thing we should not have to fret about.

 

And there is truly a ginormous difference between losing a DVR and losing a client, in that when you lose a DVR you can lose 450 HRs of HD programming and the serial thread of 30 or 40 shows you are recording, while if you lose the client, you just have them send you a new one and you're good to go.

 

So while I regularly buy $9 6" fans from Walmart and point them at all DVRs (and my AVR), I might skip a C31. A DVR with content is something you have an investment in, while a client is like a rented car.

 

With summer coming I am not really happy about the thought of these little heaters all over my house, tho; cooler is always better, but not putting out great volumes of heat in the first place is better still.


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#35 OFFLINE   Jacob Braun

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Posted 16 April 2013 - 08:15 PM

Perhaps it's nice to know, but how it could help these owners of overheated C41 ?

 

Who has an overheated C41 or C31? Since 150 degrees is apparently normal for these, I wouldn't say any of them are overheating. More like operating as designed.

 

Since they have no moving parts and just a small amount of storage I wouldn't worry about them failing. If they had a hard drive in them and were getting to that temp that would be cause for concern. But since they don't and most of the inside of them is hollow there's really nothing to be concerned about.


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#36 OFFLINE   P Smith

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Posted 16 April 2013 - 08:45 PM

Who has an overheated C41 or C31? Since 150 degrees is apparently normal for these, I wouldn't say any of them are overheating. More like operating as designed.

 

Since they have no moving parts and just a small amount of storage I wouldn't worry about them failing. If they had a hard drive in them and were getting to that temp that would be cause for concern. But since they don't and most of the inside of them is hollow there's really nothing to be concerned about.

You could say anything what you want, but without knowing Opreationg Conditions, your conclusion is wrong.

 

For example other chips (based on same technology) has Max operating temp is 70 C.

 

Now calculate the C31's temp 150 F ... got it ? = 65.5 C.

 

Perhaps you are not EE and never been close to design CE devices ... I wouldn't take your advice and be so technially blind.


Edited by P Smith, 16 April 2013 - 08:48 PM.


#37 OFFLINE   Jacob Braun

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Posted 16 April 2013 - 09:22 PM

:righton:


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#38 OFFLINE   Diana C

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Posted 17 April 2013 - 06:55 AM

Perhaps it's nice to know, but how it could help these owners of overheated C41 ?


My point, darling, is that not all Cx1 clients are reporting such high temperatures. My client has been operating for 2.5 hours right now and reports 114 degrees. Either mine is an anomaly or else they are not designed to run at 140 degrees or more. Seems to me the only way to know is to collect more data, which was why I bothered to post to this thread. If no one cares, so be it.

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#39 OFFLINE   lacibaci

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Posted 18 April 2013 - 09:22 PM

I don't think the enclosure is designed well for this. They put vents on the bottom and sides and none on top. If I just flip it upside down, it runs 10° cooler. Put it on a side (making sure the vents are not blocked) 15-20° F cooler...

Another crazy idea: Since there is a USB port, I'll try to place it on its side and plug a small USB fan blowing on bottom vents :)



#40 OFFLINE   bobcamp1

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Posted 19 April 2013 - 01:13 PM

I don't think the enclosure is designed well for this. They put vents on the bottom and sides and none on top. If I just flip it upside down, it runs 10° cooler. Put it on a side (making sure the vents are not blocked) 15-20° F cooler...

Another crazy idea: Since there is a USB port, I'll try to place it on its side and plug a small USB fan blowing on bottom vents :)

 

Probably didn't put vents on top because it would look ugly.  You'd see that enormous heatsink on that Broadcom chip.

 

Most complicated ICs like that one end up being rated for industrial temperature ranges anyway, which puts the upper end at 85 C.  It would be interesting to figure out why the temperatures are that different between units -- it must be the way they're being used.



#41 OFFLINE   betterdan

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Posted 19 April 2013 - 05:12 PM

Turned on the client in the spare bedroom the other night for the kids to watch and saw it was 158F.

I felt the box and it was a little warm but definitely not hot. My old HR20-700 case use to get really hot.



#42 OFFLINE   Diana C

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Posted 19 April 2013 - 06:10 PM

How many ways are there to use a client? :) You turn it on, or you turn it off. Other than that, while it is on, it is always streaming video from the server to the TV, or sending remote control commands back to the server. The only "variable" is how often you press the remote control button.

Our unit runs cooler, I assume, because it is velcroed to the back of the TV (face up). That must improve the convection and carries away some more heat.

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#43 OFFLINE   P Smith

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Posted 19 April 2013 - 07:24 PM



Probably didn't put vents on top because it would look ugly.  You'd see that enormous heatsink on that Broadcom chip.

 

Most complicated ICs like that one end up being rated for industrial temperature ranges anyway, which puts the upper end at 85 C.  It would be interesting to figure out why the temperatures are that different between units -- it must be the way they're being used.

a) what chip ?

B) seen specs of it ?

c) post a link/extortion from PDF, etc

d) see post #36 with real specs for similar chip from STMicro.S

 

Seems to me you pick the temp [85C] from capacitors, not from specs of the BCM chip.


Edited by P Smith, 19 April 2013 - 09:35 PM.


#44 OFFLINE   betterdan

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Posted 19 April 2013 - 08:57 PM

I'll try turning the client in the spare bedroom upside down and see if that makes it run any cooler.



#45 OFFLINE   betterdan

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Posted 20 April 2013 - 11:24 AM

Well the client being upside down in the spare bedroom now reads 142F.



#46 OFFLINE   lacibaci

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Posted 24 April 2013 - 02:00 PM

Problem solved. Got a small USB powered fan for ~$2, plugged it into C31 (the USB is powered even when C31 is off) and put C31 on top. The temp is now under 100°F.

fan.jpg



#47 OFFLINE   betterdan

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Posted 24 April 2013 - 05:45 PM

But was there any problem to begin with? I haven't noticed any problems with our clients running at the temps they do.



#48 OFFLINE   P Smith

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Posted 24 April 2013 - 07:28 PM

But was there any problem to begin with? I haven't noticed any problems with our clients running at the temps they do.

you should see occasional hiccups: frozen picture, "chirp" sound, etc



#49 OFFLINE   betterdan

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Posted 24 April 2013 - 07:40 PM

Haven't seen any of that.



#50 OFFLINE   P Smith

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Posted 24 April 2013 - 08:18 PM

you'll if the temp will go up to 150 F






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