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Text File  |  1999-04-07  |  986b  |  38 lines
  1. Subject: Icom IC-Delta1A Mod 
  2.  
  3.  
  4. Remove diode D14
  5. Replace diode D13 with MA132HK
  6. Replace diode D15 with a MA132WK
  7.  
  8.  
  9.  
  10. IC-Delta1A Logic Unit:
  11.  
  12.  
  13. /---------|
  14. |         \___________________________
  15. |                           D D D D D | <-Matrix D14 D13 D15 Q21 Q22
  16. |                             D D D R |              D11 D12 D10 R78 R79 
  17. |                                     |
  18. |                                     |
  19. |                                     |
  20. \_____________________________________/
  21.                           ____ 
  22.   Replacement of D13 -   =|  |       MA132HK
  23.                           | /|=k
  24.                         a=|/_|
  25.                           
  26.   Replacement of D15 -    ____       MA132WK
  27.                         a=|\ |
  28.                           | >|=k
  29.                         a=|/_|
  30.  
  31.   1N916 or 1N914 can be used too.
  32.   Reset The Radio When Finished     
  33.  
  34. ---
  35.  Tidhar Teucher - 4Z5CA
  36.  Td@Tx.Techion.Ac.Il  
  37.  4Z5CA@Haifa.ampr.org
  38.