Visit our newest sister site!
Hundreds of free aircraft flight manuals
Civilian • Historical • Military • Declassified • FREE!


TUCoPS :: Radio :: ic02at_2.txt

Modification for Icom 02at #2




IC02AT.2

                 BAND EXPANSION MODIFICATION FOR IC-02AT
                      FOR SERIAL NUMBERS ABOVE 34000
                        BY LTC STEVE PETERS, CAP
------------------------------------------------------------------------


  1.  Remove back from radio (5 screws) and bottom plate (4 screws).

  2.  Carefully remove radio chassis from front case by pulling out top of
      radio and lifting slightly (to remove battery contacts from bottom
      case).  Be extremely careful of ribbon cable and heat sink compound
      on power amplifier module.

  3.  Remove diode D2 from matrix board.

  4.  Add diode D4 (any small diode 1N4148; 1SS211).

  5.  The following is a schematic of the matrix board:

       ADD D4                REMOVE D2
      I--+        --+--      --+--        +
      V D4        ID3 I      ID2 I       D1
      I           I   I      I   I
      +    +      +---+      +---+      +   +

  6.  Install radio chassis back into front cover.  Leave back off temporarily.
CONTINUED IN FILE IC02AT.10
 


TUCoPS is optimized to look best in Firefox® on a widescreen monitor (1440x900 or better).
Site design & layout copyright © 1986-2014 AOH