Icom IC-781 (IC 781 IC781) transceiver mods reviews software and diagrams
   
 
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20 November 2024, 2:42 UTC 


Transceivers
Motorola

Icom IC-781 (IC 781 IC781)
IC-781
Programming interface schematics for Icom:
Programming software for Icom IC-781 (IC 781 IC781) :
PDF User Manual for Icom IC-781 (IC 781 IC781) :Icom IC-781 Instruction Manual
PDF Adjusments Procedures Manual with schematics for Icom IC-781 (IC 781 IC781) :
Schematics for Icom IC-781 (IC 781 IC781) :

Mods for Icom IC-781 (IC 781 IC781) :
    Icom IC-781 (IC 781 IC781) filter modification
    Icom IC-781 (IC 781 IC781) Reduce the internal heat by the speaker
    Icom IC-781 (IC 781 IC781) ALC Circuit problem
    Icom IC-781 (IC 781 IC781) General coverage transmit mod

Icom IC-781 (IC 781 IC781) technical specifications :  Icom IC-781 (IC 781 IC781) technical specifications



Icom IC-781 (IC 781 IC781) General coverage transmit mod

  1. Remove power and ant.
  2. Remove screws open case.
  3. Locate and cut resistor r80 on logic b board.
  4. Reset cpu.
  5. Reassemble radio.


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