Model:         IC-12AT

 Division:      Amateur

 Note:          This service bulletin is meant for technical per-
                sonnel with experience working on solid state com-
                munications equipment.  Damage caused by im-
                properly installing this modification may cause
                ICOM to charge for subsequent repairs to the
                product.  ICOM does not warrant this modification.


 Bulletin #:    28Oct86-019

 Date:          October 28, 1986

 Subject:       Improve RIT and VXO operation

 Procedure

  1.  Replace C116 (1 mf 50V currently) on the Main board with a
      .22 mf 50 V capacitor.