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#12490962 GameStick $17/$20 (in store/online) at Gamestop

Posted by nm3th on 12 February 2015 - 05:53 AM in Android

I think I might do your mod, how has it been working so far after the mod? Thanks! :)


It's been working great. I don't leave the unit on all the time, but I do use it 3-4 hours a day and it hasn't overheated once yet. From about 7ft away and the tv on, I can't even hear the fan anymore. I'm really happy with it.



#12460606 GameStick $17/$20 (in store/online) at Gamestop

Posted by nm3th on 01 February 2015 - 05:54 AM in Android

Hey guys, just a heads up, but I was messing around in the settings and discovered how to enable hdmi cec. All you have to do is turn Easylink on from the settings menu and reboot. As long as your tv it's compatible, you can control the gamestick with your tv remote. Hope this help.



#12435691 GameStick $17/$20 (in store/online) at Gamestop

Posted by nm3th on 23 January 2015 - 03:22 PM in Android

Is there something you need to do to turn on the fan? Pretty sure mine isn't working or is broke... :-/ 

You don't have to do anything on an unmodified dock.  The fan should turn on by itself once the sensor detects enough heat. 

 

A quick way to check without opening the dock is to turn on the dock without the gamestick inserted. Refer to the picture from my tutorial to locate the thermalcouple (sensor) and use a hair dryer to heat up that area (don't melt the plastic, just hot to the touch).  If everything is ok, the fan will come on automatically.

 

If that doesn't work, I can help you troubleshoot the exact problem, but it will involve opening the dock and probing voltages.




#12434240 GameStick $17/$20 (in store/online) at Gamestop

Posted by nm3th on 22 January 2015 - 11:27 PM in Android

ok, but IMO a shitty fan in low speed would not do much,  I think if I was to mod it I would just change the fan.

But here is the deal... I measured the voltage signal of temperature sensor of the dock before and after the mod. The voltage of the temp sensor drops as temperature goes up.

 

Before mod: Temp sensor voltage drops below 2.5V => fan turns on

After mod: Temp sensor voltage never dips below 2.8V => fan signal never activates

 

As another data point, I used a hair dryer to artificially heat the gamestick so the voltage dropped down to 2V and the modded fan cooled it enough to bring the voltage back to 2.8V after a few minutes. 

 

The problem with the stock cooling solution is that it only comes on after it hits a certain temperature threshold.  When it does come on, it is full blast and stays on for 2 minutes.  My solution is to keep the fan on as long as the dock is powered up, but have the fan at a constant low speed.  This way, the heat doesn't get a chance to build up as the constant airflow is regulating the temperature.

 

As I mentioned earlier, I couldn't find my own temperature sensor, so I don't have data points in terms of degrees, but I did monitor the internal temperature sensor built into the dock.  I don't think the fan itself is bad, it's the way the cooling system is implemented that is flawed.




#12434022 GameStick $17/$20 (in store/online) at Gamestop

Posted by nm3th on 22 January 2015 - 10:13 PM in Android

Thanks for the tutorial :)  If I had a dock I would definitely give it a try.

Quick question: looking at the pics, what exactly is the fan doing?  Is it blowing air into the side of the GameStick or sucking out hot air from it?

Just curious.

The fan blows the air into the side of the stick with the help a plastic shroud.  (I'm using my paint skills to illustrate the flow)

airflow.jpg




#12433784 GameStick $17/$20 (in store/online) at Gamestop

Posted by nm3th on 22 January 2015 - 09:11 PM in Android

I don't get it, one of the points of the dock is to help w the heat of the device.  For this you should have just connected the stick w the extension HDMi, unless you really wanted to use a reg SD card and the USBs which will I assume cause things to go even hotter.

The dock does help with cooling the stick.  The biggest complaint of the dock is that the fan is really loud when it comes on (think 360 or phat ps3 loud).  This mod lowers the fan speed so that it's barely a hum and still help to cool the stick.




#12433724 GameStick $17/$20 (in store/online) at Gamestop

Posted by nm3th on 22 January 2015 - 08:52 PM in Android

I'm away from my unit right now, but I can do a quick write-up using pics from the FCC filing. Note, I am not responsible for any damage to your devices.

Step 1: Remove the rubber feet and 4 phillips screws
1.JPG

My dock (board) looks to be a slightly newer revision, but for our purpose, the tutorial is all the same.

Step 2: Remove 2 phillips screw circled in blue. Blue arrow shows the location of the thermalcouple. V+ and V- shows where the fan is going to be wired to.
2a.JPG

Step 3: Disconnect the fan from the board. Location shown in green.
3a.JPG

close up of fan connector: (Note the V+ and V- from the other side of the board. We will be making the new fan connection to these 2 points)
3b.JPG

Step 4: Cut the red and black wire of the fan an inch or so away from the white plug. Strip the two ends and route the wires under the power button to the other side like so. Solder the red wire to V+ and the black wire to V-.
4a.JPG

Step 5: Put screws back and sit back and enjoy your videos/games without the loud fan noise.



#12433326 GameStick $17/$20 (in store/online) at Gamestop

Posted by nm3th on 22 January 2015 - 07:20 PM in Android

So I've modified the dock to run the internal fan silently (or close to it). Watched a few shows and everything worked fine. I couldn't find my thermalcouple attachment for my multimeter, so I couldn't monitor the temperature in realtime.

Background: The stock cooling setup is pretty basic. There is a sensor (thermalcouple) in the dock underneath where the stick is inserted. When it gets hot enough, the fan will kick on full blast for exactly 2 minutes and turn back off until the temperature goes up again. The fan itself runs at 12V and 200mA, thus if the voltage is lowered, it will run at a lower rpm. Lucky for us, there are plenty of 5V sources in the dock (usb ports, wireless controller charger, etc).

For this mod, I chose to run the fan constantly and connected it directly to wireless controller charger portion of the board. The fan runs at a soft whir (about the same level as my dvr) and keeps the stick cool enough that the signal to normally turn on the fan never activated. No more annoyingly loud fan noise to ruin a movie.

I'm on mobile right now, but can post a tutorial later if there is enough interest. Note that soldering is involved.



#12427962 GameStick $17/$20 (in store/online) at Gamestop

Posted by nm3th on 21 January 2015 - 01:59 AM in Android

I don't think zebular was trying to pass anyone's work off as his own.

Much like thousands of other people who post Youtube tutorials, he was simply trying to assist those who may not otherwise put in the effort to figure out a CFW install.

I appreciate what you're trying to do nm3th, but I'm vicariously offended that you would accuse him as such. Look at how many posts the poor guy has replied to over the past 42 pages.

 

He clearly credited shanti in the video, it's not his fault you missed that. Give him a break.

I've already edited my post.  Again, I apologize to zebular.  I should have brought it up in pm instead.  I never bothered with the video because I got the files from the other site instead.  Like I said earlier, a mention in the op (in writing) would have prevented this.  It's pretty customary (like on xda) to give credit to others in the first post of the thread.

 

Back on topic, has anyone tried to modify the fan in the dock to make it quieter?  It's pretty load when it kicks in as others have mentioned.  I might have some time later this weekend and will try to open it up.  If I'm successful, I'll post a write-up.

 

Again, thank you zebular for posting about deal.




#12427610 GameStick $17/$20 (in store/online) at Gamestop

Posted by nm3th on 20 January 2015 - 11:47 PM in Android

You will notice in the video I give all credit to shanti and I'm working with several others from xda developers to get kitkat on this, thank you for your concern though.  Also note that the youtube account is Jake F, yes I am very much jfriedel on gamestickers and xda devs.

I never watched the video, so I never saw that you gave the credit there.  I apologize for the misunderstanding, but why not also give credit in the first post as a link or something.  This would have prevented the confusion in the first place.




#12427588 GameStick $17/$20 (in store/online) at Gamestop

Posted by nm3th on 20 January 2015 - 11:37 PM in Android

**edit**

If for some reason, this is just a misunderstanding, I apologize and will delete this post.




#12425133 GameStick $17/$20 (in store/online) at Gamestop

Posted by nm3th on 20 January 2015 - 06:01 AM in Android

@ashram, did you by any chance install busybox from the play store? If you did, that's what is causing the screen to go black/blank with the mouse. Unfortunately, the only way to fix this is to reinstall the *.img



#12400145 GameStick $17/$20 (in store/online) at Gamestop

Posted by nm3th on 10 January 2015 - 09:43 AM in Android

@elbarto, yes just flash the patch in recovery just like you did 1.4



#11619465 CAG & Walmart Giveaway - 3 each: South Park: The Stick of Truth Grand Wiz...

Posted by nm3th on 18 March 2014 - 06:38 AM in Contests & Free Stuff

No whammy, no whammy... InFamous please.