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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 # 1017
MODEL: TS-950
SUBJECT: Noise with Sub-Band Noise Blanker ON

Symptom:

Noise is generated when NB1 is switched on for the sub-receiver.

Cause:

Switching noise from the noise-blanker gate enters the AF amplifier via 
the +15V line causing the noise.
 
Parts Required:

Qty     Description                                     Kenwood Part No.
1       100 uF/ 16V  Electrolytic capacitor             CE04KW1C101M    
1       120 ohm Resistor                                RD14BB2B121J    

Procedure:
1. Cut the pattern of the 15 V line  on the IF Unit (X48-3060-00) 
   component side, near Q34's emitter and add the 120 ohm resistor as 
   shown in the accompanying diagram.
2. Add the electrolytic capacitor from the end of the resistor that was
   added (end closest to L28) to the shield of L28. Quickly solder the 
   negative lead to the metal shield of L28. 


Time required for this modification is 15 minutes or less.                      
Service code A:09 B:X48-3060 C:ADDR D:91