INTRODUCTION
This service manual describes the latest service information
for the DS-100 CLASS D/DSC TERMINAL at the time of
publication
DANGER
NEVER connect the terminal unit to an AC outlet or to a DC
power supply that uses more than 16 V. This will ruin the
terminal unit.
DO NOT expose the terminal unit to rain, snow or any liquids.
DO NOT reverse the polarities of the power supply when
conecting the terminal unit.
DO NOT apply an RF signal of more than 20 dBm (100 mW)
to the antenna connector. This could damage the terminal
unit’s front end.
ORDERING PARTS
Be sure to include the following four points when ordering
replacement parts:
1. 10-digit order numbers
2. Component part number and name
3. Equipment model name and unit name
4. Quantity required
<SAMPLE ORDER>
1110003200 S.IC TA31136FN DS-100 MAIN UNIT 5 pieces
8810006050 Screw Icom screw E7 DS-100 Rear panel 10 pieces
Addresses are provided on the inside back cover for your
convenience.
REPAIR NOTES
1. Make sure a problem is internal before disassembling the
terminal unit.
2. DO NOT open the terminal unit until the terminal unit is
disconnected from its power source.
3. DO NOT force any of the variable components. Turn
them slowly and smoothly.
4. DO NOT short any circuits or electronic parts. An insu-
lated tuning tool MUST be used for all adjustments.
5. DO NOT keep power ON for a long time when the termi-
nal unit is defective.
6. READ the instructions of test equipment thoroughly
before connecting equipment to the terminal unit.
To upgrade quality, any electrical or mechanical parts and
internal circuits are subject to change without notice or
obligation.
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