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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 # 956
MODEL: TM-531A
SUBJECT: 20MHZ OFFSET MODIFICATION						   01/09/90


The TM-531A offset can be changed from 12MHz to 20MHz by performing 
the following modification. Once the modification is done, only 20MHz 
can be selected. It is recommended that this modification be performed 
at the dealer level since they have the correct tools to disassemble 
the transceiver.

REQUIRED TOOLS:

SPANNER WRENCH		PART# W05-T004		FOR MIC JACK NUT
11mm WRENCH		PART# W05-T009		FOR ROTARY ENCODER NUT

1.	Disconnect the power supply and antenna.

2.	Remove the top and bottom covers (2 screws on each cover).

3.	Pull the 3 knobs off the front panel.

4.	Remove the nut from the microphone jack.

5.	Remove the nut from the rotary encoder.

6.	Remove the 4 screws from the front panel assembly 
        (1 on each side, 1 on the top, and 1 on the bottom).

7.	Pull the front panel off the body of the transceiver.

8.	Remove the 3 screws from the TX-RX board (X57-3340-11 B/2).

9.	Pull the board off the body of the transceiver, but do not 
        disconnect the wire harness.

10.	Locate D208 on the foil side of the TX-RX board (FIGURE 1).

11.	Desolder and remove the diode.

12.	Assemble the transceiver by reversing steps 1 - 9.

This is an optional change that is not covered under warranty.
Time required to perform this modification is 0.5 hrs.