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Havit Optical Computer Mouse Fixed

By on October 15, 2016
how-to-repair-mouse

 

 

 

 

 

 

 

 

 

Received a mouse for repair and the Optical USB Mouse complaint was not working at all.

mouse-repair

I have connected this mouse to my computer’s USB port and there was no arrow pointer on my computer screen. In visualize inspection I have found the LED below the Mouse should be light up RED when you connect the mouse to USB port but here there was no light indication that means something was wrong with the mouse.




Hence I have opened the mouse for further investigation.

mouse-repairing

On visualize checking everything seems to look ok there is no burnout, dry solder or physical damage on PCB. So by plugged in USB I have checked working 5 Volt on USB connector on PCB (Here white wire is +5V and Blue is Ground). Voila!! 5V is missing on this pin that means something is damaged in between computer to Mouse that is USB cable.

I have checked this cable with multimeter continuity check and found both the wires were open circuit (white and Blue).

Most of the time in any electronic equipment color code of power or VCC wire should be red for positive and black for Negative or Ground. So now what is the option? I have decided to use USB cable from my Junk Box. I always dismantle the equipment which is not repairable and salvage the parts like cables, connectors’ etc…  for this types of use.

Hence I arranged one USB Cable for one of USB keyboard from my junk box. Here I confused about Color code of cables because both were different (see the above photo). Normally color code is as follows.

repair-mouse

For this confusion I have to trace the circuit for respected stage which wire going where? I have found the Data of M16183 optical sensor as follows.

how-to-repair-a-computer-mouse

 

Here is PCB side Pin out of Optical sensor

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So through help of optical sensor IC Data I managed to hook up the USB wire

how-to-fix-mouse

After soldering the cable I have connected the mouse to the computer I have seen light of life. Yes Red Led is lighted up.

fixing-mouse

Now I have assembled the mouse temporary to check whether it works or not on testing I found the mouse was working fine. Hence it is time for finishing work.

With the help of plastic cable tie I have tied the end of striped sleeve of usb cable to hold the cable inside the mouse and will not come out on strain on wire.

how-to-repair-computer-mouse

Now mouse is ready for work.

troubleshooting-computer-mouse

Thanks!

 

yogesh

This article was prepared for you by Yogesh Panchal who works as a Computer Hardware Engineer in Mumbai India.




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Note: You can check his previous repair articles in the link below:

https://jestineyong.com/sony-laptop-with-distortion-display-repaired/

 

Likes(87)Dislikes(1)

22 Comments

  1. suranga Electronics

    October 15, 2016 at 3:15 pm

    Hi, MR,
    Yogesh Panchal

    Nice Repair !
    Like it.

    Likes(4)Dislikes(0)
    • Yogesh Panchal

      October 17, 2016 at 12:32 am

      Thank you Suranga.

      Likes(0)Dislikes(0)
  2. Gerald Millward

    October 15, 2016 at 3:49 pm

    Well done Yogesh - many would throw away such a low-cost item and get a new one. Keep up the good work helping reduce waste.

    Likes(2)Dislikes(0)
    • Yogesh Panchal

      October 17, 2016 at 12:33 am

      Thank you Gerald,

      Likes(0)Dislikes(0)
  3. Parasuraman S

    October 15, 2016 at 5:10 pm

    Vow! A real scrap saving work!

    Likes(0)Dislikes(0)
    • Yogesh Panchal

      October 17, 2016 at 12:33 am

      thank you sir.

      Likes(0)Dislikes(0)
  4. Albert van Bemmelen

    October 15, 2016 at 7:55 pm

    A superb repair with most useful detail on the used optical sensor IC, Yogesh!
    I am also never throwing away anything that can be fixed, no matter what its cost price is or was. After all, buying a new one does cost new money too!

    Likes(0)Dislikes(0)
    • Yogesh Panchal

      October 17, 2016 at 12:38 am

      you are right Albert,

      some time to fulfill our curiosity to find out the culprit.

      Likes(1)Dislikes(0)
  5. Shekar Shekar

    October 16, 2016 at 1:37 am

    Very nice,thank-you

    Likes(0)Dislikes(0)
    • Yogesh Panchal

      October 17, 2016 at 12:38 am

      Shekar,

      Thank you.

      Likes(0)Dislikes(0)
  6. Gerald

    October 16, 2016 at 10:31 am

    Well done Yogesh. Yes many USB cables use the wrong colors or inverted colors. I found one with the black for +5V and red for 0V...

    Cheers,
    GM

    Likes(0)Dislikes(0)
  7. biruk aweke

    October 16, 2016 at 4:10 pm

    Very nice explanation thank u.

    Likes(0)Dislikes(0)
    • Yogesh Panchal

      October 19, 2016 at 12:02 am

      Biruk,

      Thanks for comment.

      Likes(0)Dislikes(0)
  8. Robert Calk

    October 17, 2016 at 12:28 am

    Good job, Yogesh. Another device saved from the trash.

    Likes(0)Dislikes(0)
    • Yogesh Panchal

      October 19, 2016 at 12:02 am

      Sir,
      Thanks for comments.

      Likes(0)Dislikes(0)
  9. Yogesh Panchal

    October 17, 2016 at 12:41 am

    Gerald,

    some time it is difficult to trace the circuit when you are taking reference from some other identical unit.

    Likes(0)Dislikes(0)
  10. Henrique Jorge Guimarães Ulbrich

    October 17, 2016 at 12:47 am

    Nice, Yogesh. It's interesting to realise that this site is a common place for those who is concerned with saving anything from the dump (including myself), even when it's not financially interesting. Nature will be thankful!

    Likes(0)Dislikes(0)
    • Yogesh Panchal

      October 19, 2016 at 12:06 am

      Henrique,

      We thankful to jestine sir for providing this platform.

      Likes(0)Dislikes(0)
  11. Humberto

    October 17, 2016 at 11:57 pm

    Nice repair Yogesh. Another saved device.

    Likes(0)Dislikes(0)
  12. Yogesh Panchal

    October 19, 2016 at 12:07 am

    Humberto,

    Thanks for comment.

    Likes(0)Dislikes(0)
  13. Renan Rodrigues

    January 1, 2018 at 4:00 am

    Thanks

    Likes(0)Dislikes(0)
  14. essam

    December 17, 2018 at 12:31 am

    i have an optical wireless mouse after cleaning the buttons the mouse stopped moving it only clicks
    do i have to change to sensor?

    Likes(0)Dislikes(0)

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