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Modification Of Circuit Boards

By on October 6, 2012

Sometimes when we do the repair work we will encounter problems like burnt components in circuit board, missing parts or we just won't able to find out the fault. The only way to solve this kind of problem is through modification of other board into the equipment. Let say your LCD Monitor power supply section burnt beyond recognition due to lightning strike and you have confirmed that other circuit boards have no problem by comparing with another good working monitor.

In order to solve this problem you might need to buy an external power supply to modify into the monitor. It may be very challenging  to peform this kind of work. If the original monitor power supply output voltages are 5 and 12 volt 4amp then you may need to find the external power supply that have roughly the same specification.

It may take some times to do such modification but at least the monitor can be brought back to life again. I have heard some people are good in modifying the mainboard too especially the repair tech from China. Since they have all the first hand information in repairing, they should have no problem in modifying many types of equipment.

Conclusion- I do not know what type of electronic equipment you are dealing with, if the equipment circuit board is really beyond repair you may need to think of a way how you can modify another similar type of board into it to make it working. As for consumer electronics equipment I believe it will have little problem but for some specialize boards like medical electronics, automotive electronics, industrial electronics it will be a problem because usually you will not be able to buy a ready made circuit board.



  1. Bradley Brake

    October 6, 2012 at 4:40 pm

    Nice article. I also listened to your National Anthem which was very beautiful music and I know all in your country are proud of your independence.
    Also, I like your flag. It is similiar to ours.

    • Jestine Yong

      October 6, 2012 at 9:04 pm

      Hi Bradley,

      Thanks. Your country flags has more stars but the overall design is almost similar.



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