PDA

View Full Version : dead USB bus, with PICS now! Someone can HELP?


sanderh
1st April 2008, 09:21 AM
I own a Universal for some time now and am happy with it. Last week my USB connection on the universal 'broke'. Now the USB connector is inside the Universal and I can hear it when I rumble my Universal. Can I throw awat my Universal now or is the some workaround to open my Universal myself and solder the USB bus? I do not have official guarantee anymore.

ps. Sorry for my bad English.

abidpioneer
1st April 2008, 10:19 AM
I own a Universal for some time now and am happy with it. Last week my USB connection on the universal 'broke'. Now the USB connector is inside the Universal and I can hear it when I rumble my Universal. Can I throw awat my Universal now or is the some workaround to open my Universal myself and solder the USB bus? I do not have official guarantee anymore.

ps. Sorry for my bad English.



IF U WANT TO THROW...PLEASE GIVE IT TO ME...I WILL USE IT AS A SPARE...

scousemartin
1st April 2008, 03:56 PM
i dont think he literally means he will throw it away, i am sure he will sell it as spares if he cant fix it. I have a exec for spares, if you want the mptherboard to replace the broken usb connector, or try finding the universal service manual and take the thing apart and see if you can repair it yourself

Bulldog
1st April 2008, 05:11 PM
I own a Universal for some time now and am happy with it. Last week my USB connection on the universal 'broke'. Now the USB connector is inside the Universal and I can hear it when I rumble my Universal. Can I throw awat my Universal now or is the some workaround to open my Universal myself and solder the USB bus? I do not have official guarantee anymore.

ps. Sorry for my bad English.

I would say it is worth to open to see how big is damage. if is clean cut then it is easy to solder another usb connector. In the Wiki suppose to be a technical documentation which will sure help you. good luck

sanderh
4th April 2008, 08:32 AM
Ok, I ve opened my Universal (wasn t that hard :rolleyes:) and posted some pictures about the status of the USB port and motherboard.
I ve also went to a local AV-technician and the guy told me (after he tried some things) that it is not possible to fix it anymore. He said that IF I want it fixed, I will need a complete new motherboard. So I m a bit dissapointed now. But maybe you guys here can give me some more input if maybe there is still a way to fix it in a cheap way.....

Just a side-note: When holding the USB port onto the motherboard and putting a AC-adapter in it, I DO get a red led on the Universal. But he does not switch on or something.

Thanks for all input.

http://img369.imageshack.us/img369/9283/img0010so7.jpg (http://imageshack.us)

http://img369.imageshack.us/img369/6258/img0012ob9.jpg (http://imageshack.us)

sanderh
4th April 2008, 08:34 AM
Ok, I ve opened my Universal (wasn t that hard : )) and posted some pictures about the status of the USB port and motherboard.
I ve also went to a local AV-technician and the guy told me (after he tried some things) that it is not possible to fix it anymore. He said that IF I want it fixed, I will need a complete new motherboard. So I m a bit dissapointed now. But maybe you guys here can give me some more input if maybe there is still a way to fix it in a cheap way.....

Just a side-note: When holding the USB port onto the motherboard and putting a AC-adapter in it, I DO get a red led on the Universal. But he does not switch on or something.

Thanks for all input.

http://img369.imageshack.us/img369/9283/img0010so7.jpg (http://imageshack.us)

http://img369.imageshack.us/img369/6258/img0012ob9.jpg (http://imageshack.us)

http://img186.imageshack.us/img186/5448/img0013uu5.jpg (http://imageshack.us)

http://img369.imageshack.us/img369/2471/img0019fy2.jpg (http://imageshack.us)

vma
4th April 2008, 06:47 PM
Hi,

Judging from your pictures, I think your friend is wrong.

If you are a able to solder and get a very fine tip for the soldering iron, you may actually fix it (unless there is something else wrong).

First of all, you need a new Mini-USB connector. This is easier said then done. One way would be to sacrifice a cheap mp3-player.

Then you solder the case of the Mini-USB connector to your PCB. Instead of trying to solder the 4 USB-pins to the PCB connectors, use a very fine cable (like the ones used for MOD-Chips on consoles) to solder each pin to the respective resistor (use a multimeter to make sure you use the right ones).

Finaly use some hotglue to fix the USB-connector to your PCB with increased resistance.

Good luck!

Cheers,
vma

ayyu3m
4th April 2008, 07:11 PM
i second vma's opinion. being a electrical technician first i wud say out loud, by the picture very clearly:

THE AV TECHNICIAN IS WRONG, YOU DONT NEED A MOTHERBOARD. IT DOESNT LOOK BROKEN. YOU NEED TO GET HOLD OF A QUALIFIED TECHNICIAN WHO WILL DO AS YOU SUGGEST

*you first need to clean off all the lead and make the usb area all clean. this way you will be sure which electric platings have been tempered. so that you will be more sure which usb pin need to be connected via wires, to the resulting end of the damaged plating.

*you need to get hold a mini-usb port as suggested, you can buy a cheap mp3 player or whatever. there is lots mini-usb ports available around. i suggest first you try an electronic appliance shop.

*and replace it firmly with the help of glue specially formulated for circuit board. you can buy these stuff in an electrical shop

*make sure to test there is proper connection, if you have replaced the platings with the use of wires to connect to the mini-usb pins. test with a ammeter.

GOOD LUCK

http://i66.photobucket.com/albums/h257/ayyu3m/clean.jpg http://i66.photobucket.com/albums/h257/ayyu3m/wires.jpg

Bulldog
4th April 2008, 10:52 PM
todays AV-technicians are just part exchange guys!!! I don't know where you from but anyhow this damage can be sure fix. I suggest If you never have done such job then dont try to repair by self( Universal still one of the best PDA's on the market to screw it up) Find a guy which has experience (even it cost you little money) and those guys also know where to get new USB connectors.

tyl
5th April 2008, 10:22 AM
You can buy a new mini usb from here:

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=110215701767

I got one the other day. Very fine soldering needed as mentioned above.

PsiDOC
5th April 2008, 06:38 PM
By god that's been butchered! I guess your tv engineer friend had a go at it... and by the looks of it did more bad than good. Ok here's what you need to do.

1: Get a new mini usb socket
2: clean up that whole area to get rid of all the solder spatter clean it by using a soldering iron / desolder tool on any shorts and a small flat blade screwdriver to "pick off" and solder spatter.
3:solder 5 small (by small I mean 0.5mm pvc insulated solid core) wires to the connector you bought in step 1 approx 2" long for each.
4: Solder the connector to the board by the 4 side lugs.
5: Solder each wire to it's correct test point (shown in the pictures but the gold coloured circle - you can clearly see which goes to where) you may have to scratch off the laquer on the PCB with a small flat blade screwriver first. Also don't forget to tin each testpoint and the end of each wire first... and for that matter the same goes for the connector end where you soldered the wires to.

Dr@g
5th May 2008, 04:53 PM
am i right? :)

Darkzy55
29th November 2008, 09:15 PM
Draw it out again cant understand it haha
Just got spares and repairs 02 xda exec with snapped off mini usb was thinking of doing myself but no has piccy's off what to do
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