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World of Ham Radio 1997
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WOHR97_AmSoft_(1997-02-01).iso
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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 # 27
MODEL: TS-700A
SUBJECT: REPLACEMENT OF 9V REGULATOR
Replacement of the 9 volt regulator ic (MFC-4060 with MC-1723CL-A and
X43-1250-00 P.C.B. This board comes complete with mounting hardware and
extended leads for easy installation.
PROCEDURE:
1. Remove old IC MFC4060-A Qll
2. Remove R27 1.5kohm (delete,). Replace with wire
jumper.
3. Remove and reinstall R28 lkohm on foil side of P.C.B.
4. Mount P.C.B. per illustrations (observe lead call-outs
between X43-1250-00, new P.C.B., and old Qll position
(X43-1120-00).
5. Reset VR1 for 9.0V measured at power supply output
terminal.
6. Reset VR2 for 21.0V measured at power supply output
terminal.