Question about Panasonic NV-DS60 Mini DV Digital Camcorder

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Completlly stop working after wrong polarity lead been plugged In

Hi accidentally used a wrong polarity lead from a 7.6 v DC power supply
plugged in to nv-ds60, after that no more response, pulled the circuit board out under the battery, trying to find a fuse or protraction circuit, find a component call FL1201 but still got a circuit through.
is there any other fuse or protraction device? what damage it down when the supply is wrong polarity?
Any one can help me? how to solve the problem?

thank you

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  • avar May 25, 2009

    thank you for the solution, I will have a good look again.



  • avar Jun 21, 2009

    Thank you for the advice it actually blow the smaller fuse, I followed the circuit found the fuse and bypassed and it worked again.
    thank you for you help. appreciated.
    Alex


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One of the first things that go are is the protection diode coming off the + input. Then a fuse and so on. Surface mount fuses are light in color (usially green with white text). Attempt to bypass these components with a small wire or paperclip. Once you follow the lead from positive input you will run into a black rectangular block about the size of a grain of rice with 3 leads. That will be your voltage regulator. Its set at the correct voltage, and since you already have a power supply with a set voltage, then you dont need it. Its also the first thing that blows when you switch polaritys. (voltage regulators have 3 pins - input output and ground) when you switch polaritys that ground becomes the "input" and ..... go to all http://www.alldatasheet.com/ and type in the text you see on that component. It will then identify the component and list its voltage output and at which pin.  Apply set voltage to lead and ... pray? 

Best of luck.

Posted on May 25, 2009

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