Icom IC-746 PRO (IC 746 PRO IC746PRO) transceiver mods reviews software and diagrams

   
 
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19 April 2024, 1:23 UTC 


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Icom IC-746 PRO (IC 746 PRO IC746PRO)
IC-746 PRO
Programming interface schematics for Icom:
Programming software for Icom IC-746 PRO (IC 746 PRO IC746PRO) :
PDF User Manual for Icom IC-746 PRO (IC 746 PRO IC746PRO) : Icom IC-746 PRO Instruction Manual
PDF Adjusments Procedures Manual with schematics for Icom IC-746 PRO (IC 746 PRO IC746PRO) :
Schematics for Icom IC-746 PRO (IC 746 PRO IC746PRO) :

Mods for Icom IC-746 PRO (IC 746 PRO IC746PRO) :
    Icom IC-746 PRO (IC 746 PRO IC746PRO) Heatsink for PA Driver
    Icom IC-746 PRO (IC 746 PRO IC746PRO) backlight problem
    Icom IC-746 PRO (IC 746 PRO IC746PRO) Power adjust
    Icom IC-746 PRO (IC 746 PRO IC746PRO) AM tx improvements
    Icom IC-746 PRO (IC 746 PRO IC746PRO) Transmit Problem
    Icom IC-746 PRO (IC 746 PRO IC746PRO) SSB Monitor Level Fix
    Icom IC-746 PRO (IC 746 PRO IC746PRO) EU version
    Icom IC-746 PRO (IC 746 PRO IC746PRO) TX modification

Icom IC-746 PRO (IC 746 PRO IC746PRO) technical specifications :  Icom IC-746 PRO (IC 746 PRO IC746PRO) technical specifications



Icom IC-746 PRO (IC 746 PRO IC746PRO) TX modification

  1. Remove the bottom cover of IC-746PRO.

  2. Remove DSP subbblock.

  3. Carefully remove two small SMD 0 ohm resistors(jumpers) W1603 and W1604, on the pictures both jumpers already removed, reset of IC-746PRO is not necessary.

  4. Enjoy.`````````````````````.

TX/RX after modification: 0.1 - 0 MHz, 108 - 174 MHz.

Now you can do SWR spot & plot measurement even out of ham bands! Be carefully with transmitting out of 1,8 - 29,7 and 144-148 MHz.

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