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Sony Smartwatch MN2 DIY USB cable

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By mvturnho, Junior Member on 9th February 2013, 12:39 PM
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Hi All,

I have this Sony smartwatch but lost my cable. I am looking for the pinlayout of the cable. Is there someone who can help me on the pin layout.
The signals for the pins om the watch like Vcc, Gnd etc
or the pin mapping from the usb connector to the watch connector.
I hope someone can help me on this.

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9th February 2013, 02:21 PM |#2  
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Re: Sony Smartwatch MN2 DIY USB cable
Okay, I found the answer in some other thread. Will try this out tomorow.

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USB male:
Pin
1 - VCC,
2 - D+,
3 - D-,
4 - GND

On Sony plug:

According to this: Holding the cable as in the picture, with the contacts facing you and the cable leading downwards,

Pin 4 is the left pin - GND
Pin 3 - D-
Pin 2 - D+
Pin 1 is the right pin - V+

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9th February 2013, 02:26 PM |#3  
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Re: Sony Smartwatch MN2 DIY USB cable
The image for the connector here.

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13th May 2013, 10:17 PM |#4  
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hi, i have also lost my smartwatch cable and have tried ordering a new one of sonymobile.com and when i placed the order i received no confirmation and was instantly redirected to the home...i had almost given up when i luckily stumbled across this thread,however i am a complete noob and would very much like to know what i will need and how to get my smartwatch working again! many thanks!
22nd May 2013, 09:44 PM |#5  
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Hi, I made the cable and was able to charge my smartwatch. I will make a picture of my home made cable and post it here.
All you need is an old usb cable som small plastic, two pins and a soldering iron. It comes to connecting the right wires to the right pins.
15th June 2013, 03:34 AM |#6  
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Quote:
Originally Posted by mvturnho

Hi, I made the cable and was able to charge my smartwatch. I will make a picture of my home made cable and post it here.
All you need is an old usb cable som small plastic, two pins and a soldering iron. It comes to connecting the right wires to the right pins.

Please can u share how u did??
15th June 2013, 09:03 AM |#7  
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In the image my DIY cable.

I used a small pièce of plastic with pins melted though and hot glue to fix of all.
The cable is an old Mouse cable.
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16th June 2013, 07:33 PM |#8  
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Not sure if anyone is looking for the official Sony cable but last time I checked it was available on the Verizon website. I think it was under $20...
19th June 2013, 10:02 AM |#9  
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DIP IC Socket and a piece of PCB
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24th June 2013, 03:09 AM |#10  
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I lost my original...found a pin layout online from a photo of the board off a disassembled smartwatch. Looks like you guys already have the pinout covered though. What I did to make my cable was I used staples. I straightened out 4 ordinary office staples, bent one end up at a 90° angle...just a few millimeters. Then I used some JB stick (JB weld in putty form...you can buy it at your local hardware store, auto parts store, or Walmart). It hardens in minutes, is hard as steel, and most importantly is non-conductive. I painstakingly arranged the four staples on a bit of the jb putty, put another small layer of the putty over the top (so just the tips if the staples were exposed as well as a few millimeters of the other ends), and quickly wedged the whole thing into my Smartwatch. I pressed the spring clip down using it as a mold, then quickly and carefully pulled it out so it did not adhere to the watch. 5 minutes later the connector was hard as a rock. I then soldered my bare end of my USB cable to the staple ends, put some heat shrink, and dropped a little ball of solder on each of the 4 protruding bent staple tips at the other end of the connector. The 4 balls of solder now make nice shiny contact points to line up with the 4 terminals on the watch. Now I have a rock solid, professional looking diy charging cable. Been working for 4 months now no issues. Took me less than an hour for the whole project once I thought up the design.

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