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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 # 67
MODEL: TS-180S
SUBJECT: DFC INSTABILITY
TS-180S operators may report intermittent DFC instability,
especially at 10Xhz even points. This may be characterized
in some cases as FM'ing.
On the VCO unit X50-1550-00, install a 330K ohm resistor between
Qll G1, and the 8V line. Connect from L7 at C12 to Qll G1, at
R35.
No adjustments are necessary.
NOTE:
On page 37 of the Service Manual, the Board view of the VCO
unit contains reversed callouts for Qll & Q15 FET's.
D & S, and G1 & G2 are transposed.
Please notate your Service Manual.