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World of Ham Radio 1997
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WOHR97_AmSoft_(1997-02-01).iso
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asb0912.txt
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1997-02-01
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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 # 912
MODEL: TS-940S
SUBJECT: TRANSMITTER HUM IN SSB
For reports of a low level audio hum sunerimposed on the normal
transmitted audio, especially when the Speech Processor is used perform
the following modification.
Parts required
C285 .01 uF 50 v disk ceramic capacitor CK45FlH103Z
Procedure:
On the IF UNIT (X48-1430-00) make the following changes:
a. Cut the foil patterns labeled A-E in figure 1.
b. Add the jumpers wires labeled F-H in figure 1.
c. Add capacitor C285 .01 uF 50 v as shown.
This change will be included on all units shipped after 9-15-86.