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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 # 865
MODEL: TS-430S
SUBJECT: TS-430S 500KHZ Hetrodyne

Some users of the TS-430S have reported a hetrodyne signal at the 500KHZ 
point on the bands. This tone may be reduced or eliminated by the following 
procedure.

PARTS REQUIRED

	QTY DESCRIPTION	KENWOOD PART NUMBER
	l .00lpf disc cap  CC45B1H102K
	l  220pf disc cap  CC45SL1H221J
	l  470uh coil L40-4711-13

PROCEDURE

1. Remove top and bottom covers. 
2. Turn radio bottom up and locate PLL Unit (X50-1910-00). 
3. Remove the six (6) screws securing the PLL unit to the chassis 
   and fold the unit over to allow access to the foil side of the 
   circuit board. 
4. Remove the jumper wire that is installed between TP-1 and C6. 
   Install the parallel circuit consisting of the 220pf capacitor and 
   the 470uh coil in its place. 
5. Install the .001pf capacitor between the foil that contains TP-1 
   and groung (edge of board)
6. Reinstall the PLL unit and replace the top and bottom covers. 
7. No alignment is required.

*NOTE: This change may be performed at the owners option and may not 
       be performed in warranty.