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                             K E N W O O D
   >>>   A M A T E U R   R A D I O   S E R V I C E   B U L L E T I N   <<<
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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 # 851
MODEL: TS-830S
SUBJECT: NOISE BLAMKER OPTIONAL IMPROVEMENTS

Receiver Cross-modulation while using the noise blanker may be improved 
by these optional component changes and additions. Realignment is not 
required.

At the Noise Blanker level control VR8, change Rl9 from 22 ONHS to 
15 OHMS (RD14BB2E150J)

On the AF AVR unit X49-1140-00 (vicinity of Q20) change: D22 from an 
MV-13 to an MV-203 (V11-3379-16), R96 from 2.2k to 820 OHMS (RD14CB2E821J)

(vicinity of Q24)

R112 from 47K to 56K (RD14CB2E563J)
Across T2, add a 12KQ (RD14CB2E123J)

At Q21 add 2 pcs. 680 OHMS (RD14CB2E681J)

                        
                          Q21
            NBI ___ 680 ___|/---
                         | |\___
            GND ---      |     |
                   |    680   R106
                   |     |     |
                   -------------

	NOTE:1. Applies to various units before serial: 2010000,1120950, 
                and 1112058.