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                        Kenwood Service Centers

   Kenwood Service Corporation             Kenwood Service Center, East
   2201 East Dominguez Street              829 Lynnhaven Parkway, Suite 130
   Long Beach, California 90801            Virginia Beach, Virginia 23452
   Telephone 1-310-639-5300                Telephone 1-804-340-1702

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BULLETIN # 51
MODEL: TS-120S
SUBJECT: FINAL PROTECTION
                                                        
    TS-120S Final Protection
     
    If for any reason work is performed in the Final unit,
    install two additional parts to the Filter unit X51-1200-00.
      
               This will improve protection action.
      
               Procedure:
               1. Remove top and bottom covers.
               2. Remove Final unit (6screws).
               3. Filter unit X51-1200-00 will be exposed. Install
                  between Q3 Base, and TP-1, series wired diode and
                  resistor D14 and R34.
           
         No adjustments are necessary.
         
         New Part number D14  lS1555  V11-0076-05
                         R34 4.7K ohm
      
        PLEASE NOTATE YOUR SERVICE MANUAL