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EXPANDING MAXON HCB-40WX TO 120 CHANNELS

 

  1. REMOVE VDC POWER
  2. OPEN UNIT AND EXPOSE PCB WITH MICROPROCESSOR ( IC-501 ).
    NOTE: THE TWO PCB'S WILL NEED TO BE SEPARATED.
    REMOVE SMALLER PCB FROM FRONT COVER ( 4 SCREWS ).

    3.  

  3. REMOVE SHEILD PLATE FROM PCB

    4.  

  4. LOCATE AND REMOVE R-01 AND R-02 ( 0 OHMS ).

    5.  

  5. REPLACE R-01 AND R-02 IN THE OPEN POSITION DESIGNATED R-03 AND R-04.

    6.  

    NOTE: R-01 AND R-02 WILL APPEAR BLANK ( 0 OHMS ).

    R-03 AND R-04 ARE OPEN ON THE PCB.

     

  6. CHANNEL 9 BUTTON WILL CONTROL CHANNEL BAND OPERATION.

    7.  

    CHARACTER

    BAND

    FREQUENCY RANGE

    +

    High

    27.415 ~ 27.855 MHz

    NA

    Normal CB

    26.965 ~ 27.405 MHz

    -

    Low

    26.515 ~ 26.955 MHz

     

  7. IF EXPANDABLE MODE IS NOT SEEN IMMEDIATELY, DISCONNECT VDC POWER FOR SEVERAL HOURS WITH THE POWER SWITCH LEFT IN THE ON POSSITION.


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