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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 # 1029
MODEL: TM-742A/TM-942A
SUBJECT: 28 MHz/50 MHz RC TX Failure 

Symptom:
The 28 MHz and 50 MHz modules do not transmit after direct frequency entry 
from the microphone when the radio is switched to the RC function.

Corrective Action:

Replace IC1 on the Control Unit X53-3460 B/2 and IC1 on the Display Unit
X54-3130 A/3.  

Parts Required:

Qty     Description     Kenwood Part No.                Circuit Description

1       Control Unit microprocessor     HD6433388A07F           IC1
1       Display Unit microprocessor     HD404719A32H            IC1


Caution:   This modification requires soldering equipment rated for CMOS type
circuits.  It also requires familiarity with surface mount soldering
techniques.  If you do not have the proper equipment or knowledge do not
attempt this modification yourself.  Seek qualified assistance.

Time required for this modification is 1.5 hours or less.
Service code A:84 B:X53-3460 B/2 C:IC1 D:91