Icom IC-740 (IC 740 IC740) transceiver mods reviews software and diagrams

   
 
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26 February 2021, 5:22 UTC 


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Icom IC-740 (IC 740 IC740)
IC-740
Programming interface schematics for Icom:
Programming software for Icom IC-740 (IC 740 IC740) :
PDF User Manual for Icom IC-740 (IC 740 IC740) :Icom IC-740 Instruction Manual
PDF Adjusments Procedures Manual with schematics for Icom IC-740 (IC 740 IC740) :
Schematics for Icom IC-740 (IC 740 IC740) :

Mods for Icom IC-740 (IC 740 IC740) :
    Icom IC-740 (IC 740 IC740) FM-Unit EX242 zum (selber) nachbauen
    Icom IC-740 (IC 740 IC740) enable TX on WARC bands
    Icom IC-740 (IC 740 IC740) Display/distortion problems IC-740 HF rig

Icom IC-740 (IC 740 IC740) technical specifications :  Icom IC-740 (IC 740 IC740) technical specifications



Icom IC-740 (IC 740 IC740) enable TX on WARC bands

Original, the IC-740 is not able to transmit on 12 and 17 m band.

Just make the following steps :

  1. In the RF Board. located to left side, cut jumper located between D31 and "C" wire.

  2. Reassemble the radio.

It's ready to TX on 17m and 12m bands.

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