Icom IC-910H (IC 910 H IC910H) transceiver mods reviews software and diagrams

   
 
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19 April 2019, 4:20 UTC 


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Propagation:
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Icom IC-910H (IC 910 H IC910H)
IC-910H
Programming interface schematics for Icom:
Programming software for Icom IC-910H (IC 910 H IC910H) :
PDF User Manual for Icom IC-910H (IC 910 H IC910H) : Icom IC-910H Instruction Manual
PDF Service Manual with schematics for Icom IC-910H (IC 910 H IC910H) : Icom IC-910H Service Manual, diagrams

Mods for Icom IC-910H (IC 910 H IC910H) :
    Icom IC-910H (IC 910 H IC910H) Sensitivity
    Icom IC-910H (IC 910 H IC910H) Improved SLOW/FAST AGC response selection
    Icom IC-910H (IC 910 H IC910H) power protect software overide
    Icom IC-910H (IC 910 H IC910H) mods
    Icom IC-910H (IC 910 H IC910H) Expanded functions

Icom IC-910H (IC 910 H IC910H) technical specifications :  Icom IC-910H (IC 910 H IC910H) technical specifications



Icom IC-910H (IC 910 H IC910H) Expanded functions

Backside of the Displayborad looks something like below:
+------------------------------------------------------------------------------+
|   +----+                                                                     |
|   | r d |                                                                    |
|   | r d |                                                                    |
|   | r d |                                                                    |
|   | r d |                                                                    |
|   +----+                                                                     |
|                +---------+                                                +--+
|                | VFO     |                                                |
|                | ENC-    |                                            +---+
|                | ODER    |                                            |
|                |         |                                            +---+
|                +---------+                                                |
|                                                                           |
|                                                                           |
+---------------------------------------------------------------------------+

Top left is vertikal row with resistors be seen.

Beside the resistors to the right a vertical row with diodes is located.

From top is the diodes called D1, D2, D3, HD4, D5, D6, D7, HD8.

  • To enable RX 136-174MHz Remove D5.

  • To enable RX 420-480MHz Remove D6.

  • To enable RX 1240-1320MHz Remove D7.

  • To enable narrow FM on 1,2GHz band install a 1SS355 diode at HD8.

  • TO enable crossbandrepeater install HD4

To use crossbandrepeater:

  1. Activate [LOCK]

  2. Switch off the radio.

  3. Puch and hold M/S while switch on the radio.

To exit push [LOCK]

(Crossbandrepeat will not be canceled if power is switched off.)

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