S1 Service manual
3
General
INTRODUCTION
SCOPE OF THIS MANUAL
This manual is intended for use by experienced technicians familiar with similar types of
commercial grade communications equipment. It contains all required service information for the
equipment and is current as of the publication data. Changes which may occur after publication are
covered by either Service Bulletins or Manual Revisions. These are issued as required.
ORDERING REPLACEMENT PARTS
When ordering replacement parts or equipment information, the full part identification number
should be included. This applies to all parts: components, kits, or chassis. If the part number is not
known, include the chassis or kit number of which it is a part, and a sufficient description of the
required component for proper identification.
PERSONAL SAFETY
The following precautions are recommended for personal safety：
DO NOT transmit until all RF connectors are verified secure and any open
connectors are properly terminated.
SHUT OFF and DO NOT operate this equipment near electrical blasting caps or in
an explosive atmosphere.
This equipment should be serviced by a qualified technician only.
SERVICE
This radio is designed for easy servicing. Refer to the schematic diagrams, printed circuit board
views, and alignment procedures contained within.
MODEL CHANNEL NO.
RF POWER
OUTPUT
DH 16 1W
DL 16 1W
PMR 16 0.5W
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