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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Nokia > Nokia Hardware & Hardware Repair

Nokia Hardware & Hardware Repair all what you need for Hardware Repairing for Nokia Phones. Before writing any thread here try to check the Frequently Asked Questions Section.

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Old 05-04-2013, 14:17   #1 (permalink)
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Question Nokia N900 unknown ic under usb plug


Hello everybody!

Please help me.
I have a Nokia N900 with damaged usb plug.
After the first replace my client damaged the usb plug again.
Now 3 and 4 pin pads are wiped and a piece under the usb plug.
I managed to soldered again except for those two pind wich i believe that they are D+ and D-.
Now, please help me, what is the missing piece?
nokia_n900_ic.jpg
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Old 05-04-2013, 20:55   #2 (permalink)
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marked part in ur picture is just a esd protector , mobile or usb can work without this esd protector .

but tell me , pins under d marked esd protector been damage or usb connector pins damage .

u may check d attach picture to know more .
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File Type: jpg n900.JPG (35.4 KB, 43 views)
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Old 05-04-2013, 21:08   #3 (permalink)
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chk this


http://3.bp.********.com/-YFYrIMkZla...974e878218.JPG
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Old 05-04-2013, 21:21   #4 (permalink)
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Thank you for your answers!
The "x" marked pins are damaged from logic board, view from camera module to right:

o o x x o

Now, it charges but extremly slow (5% in 2 hours), and usb conection is unaveileble.
What should I do?
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Old 05-05-2013, 19:08   #5 (permalink)
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solution already posted above , check d way bro (two blue marked way).
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