shaky USB port - problem been solved in later batches? - Page 3 - maemo.org

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	Texrat	2011-08-19 , 16:41
	Posts: 11,700 \| Thanked: 10,045 times \| Joined on Jun 2006 @ North Texas, USA	#21

Originally Posted by abill_uk

Is easy to tin the jacket, just scrape it with a needle if need be and use solder flux or solder acid to make sure the solder "tins" the metal soldering it down to earth before you epoxy it but i still feel epoxy is messy and has a life span before going brittle and cracking up.

Use an epoxy needle-type dispenser to avoid mess (I used them successfully in numerous assemblies)... also, most epoxies will outlive the device.

EDIT: my other reason for focusing on epoxy is that more owners will be able to apply that than solder.

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Last edited by Texrat; 2011-08-19 at 18:11.

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	dr_frost_dk	2011-08-19 , 17:59
	Posts: 1,503 \| Thanked: 2,688 times \| Joined on Oct 2010 @ Denmark	#22

Ok just did it to my new used N900.

This will indeed insure that it will be very hard to break off, i did the method of scraping off some of the "green stuff" and making some more copper to hold on to.

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Fix you USB before and after it breaks
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Last edited by dr_frost_dk; 2011-08-19 at 18:12.

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	dr_frost_dk	2011-08-19 , 18:00
	Posts: 1,503 \| Thanked: 2,688 times \| Joined on Oct 2010 @ Denmark	#23

and the adjustment to the cover

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Fix you USB before and after it breaks
Feel free to contact me through PM, Skype or G.Talk

Last edited by dr_frost_dk; 2011-08-19 at 18:11.

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farmatito	2011-08-19 , 18:18
Posts: 69 \| Thanked: 55 times \| Joined on Nov 2009	#24

Originally Posted by dr_frost_dk

Ok just did it to my new used N900.

This will indeed insure that it will be very hard to break off, i did the method of scraping off some of the "green stuff" and making some more copper to hold on to.

Do you think it is possible to glue some small metal plate or the like from the top of the usb micro port to the metal structure behind it?
This would give it far more strength than soldering or gluing to the pcb due to the bigger surface used.

Last edited by farmatito; 2011-08-19 at 18:20.

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lorul2	2011-08-19 , 18:45
Posts: 209 \| Thanked: 150 times \| Joined on Feb 2010 @ York, Pa., USA	#25

Thanks DR_FROST_DK:

I'm going to take your post to a cell phone tech who repairs cell phones for a living, and I'll hope for the best!

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	dr_frost_dk	2011-08-19 , 19:16
	Posts: 1,503 \| Thanked: 2,688 times \| Joined on Oct 2010 @ Denmark	#26

Originally Posted by farmatito

Do you think it is possible to glue some small metal plate or the like from the top of the usb micro port to the metal structure behind it?
This would give it far more strength than soldering or gluing to the pcb due to the bigger surface used.

The thing i just did will really increases the strength alot i will say 3x minimum.

lorul2 Your welcome

I just fixed redkarma's N900 like this and now im doing my primary N900

Fix you USB before and after it breaks
Feel free to contact me through PM, Skype or G.Talk

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redkarma	2011-08-19 , 20:01
Posts: 4 \| Thanked: 22 times \| Joined on Jan 2011 @ DK, not far from dr_frost_dk	#27

As mentions above dr_frost_dk, have gracefully soldered my usb port, it looks as if, its gonna be able to take a beating, so no more worries about a broken phone due to disconnecting charger early in the morning, when the phone some times gets thrown around quite a bit

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	NokiaRocks	2011-08-19 , 20:14
	Posts: 658 \| Thanked: 117 times \| Joined on Jan 2010	#28

I've got my N900 for almost 2 years now and plugging in/out my USB cable around 5 times a day and never had any issues.
Maybe I'm just lucky.

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	Texrat	2011-08-19 , 20:52
	Posts: 11,700 \| Thanked: 10,045 times \| Joined on Jun 2006 @ North Texas, USA	#29

Originally Posted by NokiaRocks

I've got my N900 for almost 2 years now and plugging in/out my USB cable around 5 times a day and never had any issues.
Maybe I'm just lucky.

Again, odds are many connectors were properly tinned. But many weren't. In this case it makes ALL the difference.

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	qwazix	2011-08-19 , 21:10
	Moderator \| Posts: 2,622 \| Thanked: 5,447 times \| Joined on Jan 2010	#30

I think it's my duty to start complaining how wonderfully reliable my usb port has been to date. I have 2101 and bought it december 09. Greek version, the one with fmtx disabled (I think it has to be some kind of hardware difference as I reflashed with the global firmware and the fmtx was still disabled).