Maintenance - Kenwood TH-77A Instruction Manual

6. MAINTENANCE
6-1. GENERAL INFORMATION
Your transceiver has been factory aligned and tested to
specification before shipment. Under normal
circumstances the transceiver will operate in accordance
with these instruction manuals. All adjustable trimmers
and coils in your transceiver has been adjusted at the
factory and should only be readjusted by a qualified
technician with proper test equipment. Attempting
service or alignment without factory authorization can
void the transceivers warranty. When operated
properly, the transceiver will provide many years of
service without requiring realignment. The information
in this section gives some general service procedures
which can be accomplished without sophisticated test
equipment.
6-2. SERVICE
Should it ever become necessary to return' the
equipment to your dealer or service center for repair,
pack it in its original box and packing, and include a full
description of the problems involved. Also include your
telephone number. You need not return accessory
items unless directly related to the service problem.
Service note
Dear OM, if you desire to correspond on a technical or
operational problem, please make your note short,
complete, and to the point, and PLEASE make it
readable.
Please list: Model and serial number.
The problem you are having.
Please give sufficient detail to diagnose. Information
such as other equipment in the station, meter
readings and anything else you feel might be useful in
attempting diagnosis.
Caution
Do not pack the equipment in crushed newspapers for
shipment. Extensive damage may result during
shipment.
Notes
1. Record the date of purchase, serial number and
dealer from whom purchased.
2. For your own information, retain a written record
of any maintenance performed on the unit.
3. When claiming warranty service, please include a
photocopy of the bill of sale, or other proof of
purchase showing the date of sale must accompany
the transceiver.
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