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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 # 13
MODEL: TS-820
SUBJECT: RIT MODIFICATION
We have had a few reports of the TS-820 RIT tuning being
"rubbery". The following information will solve this.
HOW TO MODIFY
1. Remove resistor R27 (lK ohm) on AF-AVR UNIT (X49-1080-00).
2. Install a 10K ohm resistor on foil side of AF-AVR UNIT
--- see Figure 1.
3. Install a lKohm resistor on RIT control --- see Figure 2.
4. Install a capacitor (3.3uF - 10uF) between RIT control and
ground --- see Figure 2.
5. Adjust VR-2 on AF-AVR UNIT (X49-1080-00) for the same
frequency as the center position of the RIT control.