ID-5100 modifications

As ICOM doesn’t provide any information concerning TX/RX (MARS/CAP) modifications for the new ID-5100 I investigated the detailed function of the diode matrix responsible for the localization.
Due to the absence of any circuit diagram and the non-descriptive PCB I can’t tell the diode numbers – I can only show them.

To get access to the PCB only the lower cover needs to be removed (8 screws).

The upper 3 diodes need to be removed in order to gain “full functionality”.

ic-5100_pcb
ic-5100_diodesic-5100_mod
before and after the modification
The left picture shows the standard configuration for an IC-5100E that is intended for german use.

( 1 )   ( 2 )
( 3* ) ( 4 )
( 5 )   ( 6 )
( 7 )   ( 8 )
( 9 )   ( 10 )
          ( 11 )
        ( 12* )

        ( 13 )  ( 14* )
        ( 15* ) ( 16* )

* -> installed by default

3 -> TX 70cm ext.
12 -> Crossband
14 -> TX 2m ext.
15 -> the removal converts the transceiver into the japanese version
16 -> the removal converts the transceiver into the american version (IC-5100A)

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Datum: Samstag, 19. April 2014 7:14
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