Question about Ranger Communications RCI-6900F-25 CB Radio

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Hi i have a ranger 6900f turbo

Hoped in the car one morning and radio wont turn on has no power what so ever could you please tell me what could be wrong and can it be fixed thanks

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  • deane houia Dec 11, 2008

    yep all fuses a good but still wont go some one told me it is a power diode but want to ask exspert first thanks deane

  • deane houia Dec 12, 2008

    thanks very much i will look at it now thank you

  • deane houia Dec 12, 2008

    thanks very much i will look at it now thank you

  • Rob Duron
    Rob Duron May 11, 2010

    Have you verified the fuse at the radio and the fuse at the fuse block are good? Basicly make sure you have power to the back of the radio.



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Http://www.rangerusa.com/downloads.html

This link will get you to the service manual and schematic. These two PDF will give you enough data to build new boards from scratch. Unfortunately radios are very complicated so it's pretty hard to nail down a problem like this without taking it apart. I don't thinkit's the power diode for a couple reasons 1st they are rated at 200v and 1kv piv (the amount of reverse bias voltage it will survive) 2nd the diodes are rated for a forward surge of 30A which is easily supplied by your battery but the fuses would have blown. If your handy I would disconnect the power and pop it open to look for burnt components. the only solution I have is re check the power connections On rare (very rare won the lottery) occasions
a bad connection will show voltage but when the radio loads it down it won't carry current.

Sorry this is much help. I'm happy to answer any more questions.
Rob

Posted on Dec 12, 2008

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