In IC746DW.JPG you can see the open bottom side from the
transceiver and you will see a red marked area, too.
This marked area you can see again and bigger in the
Now something about IC746SMD.JPG.
There are some green frames. This are diodes which must
be on this place.
There are some red frames. This are diodes which you have to remove.
Where no frame is, there is no diode in my transceiver.
After removing the red marked diodes you should can
RX 60 khz - 60 MHz and 118 Mhz - 176 MHz
TX 100 khz - 60 MHz and 118 Mhz - 176 MHz