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                             K E N W O O D
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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 # 66
MODEL: SM-220
SUBJECT: FEEDBACK INTO IF OUT OF RADIO
     
We have found a few cases of feedback when the pan display
option was installed in the SM-220 Station Monitor. This is
due to the isolated ground of the BS-5 or BS-8 pan display option.
It may be remedied by grounding the case of the input transformer
in the BS-5 or BS-8 to the case. This change will be incorporated in 
all future deliveries of the BS-5 and BS-8.