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World of Ham Radio 1997
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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 <<<
==============================================================================
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
==============================================================================
BULLETIN # 888
MODEL: TS-430S
SUBJECT: Intermittent PLL Unlock in FM/AM
Some owners of the TS-430S have reported intermittent loss of transmit
and Receive when operating in the FM or AM modes, along with a loss of
the digital display.
The cause of this may be due to a loss of the FM/AM Heterodyne Oscillator
signal. Replacing the components listed below will correct most instances
of this failure.
Procedure:
ON the Control Unit (X53-1290-XX) change R131 to a 22 K ohm 1/4 watt
carbon resistor, and change C144 to a 3 pF 25v Disc ceramic capacitor.
Time required for this modification is 30 minutes.
No realignment is required.