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Text File  |  1991-03-06  |  2KB  |  44 lines
  1. IC2SAT.11
  2.  
  3. Yeah, the above is crude, just meant to give the relative locations of the
  4. mysterious diode, SP1, R38, R39, R41, R42, R43, and R61.  The 3-terminal
  5. box with an arrow drawn to it (the arrow is in the original image) looks
  6. like the below.  A diode is connected from the lower left tab to the upper tab.
  7.                 ___
  8.                 | |
  9.         --------------------
  10.         |       /          |
  11.         |     ---          |
  12.         |     /_\          |
  13.         |  ____|           |
  14.         | /                |
  15.         | |                |
  16.         --------------------
  17.          | |            | |
  18.          ---            ---
  19. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
  20. [diode matrix programming]
  21.  
  22. To simplify/fool-proof this, if the schematic has:
  23.  
  24.                 (X) --->|--- (Y)
  25.  
  26. I'll say "from X to Y".  From the "IC-2SAT IC-2SET SCHEMATIC DIAGRAM":
  27.  
  28.         Japan Version           D6:     DA115   from KEYI2 to KEYS2
  29.         Europe Version          D5:     DA115   from KEYI0 to KEYS3
  30.                                 D6:     DA115   from KEYI2 to KEYS2
  31.         Italy Version           D5:     DAN202U from KEYI1 to KEYS3 and
  32.                                                 from KEYI0 to KEYS3
  33.                                 D6:     DA114   from KEYI0 to KEYS2
  34.         U.S.A. Version          D4:     DA115   from KEYI2 to KEYS3
  35.                                 D9:     ISS254  from KEYI1 to KEYS2
  36.         Australia Version       D5:     DA114   from KEYI1 to KEYS3
  37.                                 D6:     DA115   from KEYI2 to KEYS2
  38.         Asia Version            D4:     DA115   from KEYI2 to KEYS3
  39.  
  40. Now, can anyone use this to figure out the Icom-Europe memo???
  41.  
  42.                                         Bob  KC9RG
  43.                                         cromwell@ecn.purdue.edu
  44.