Icom IC-7700 Service Manual page 2

This service manual describes the latest service information
for the IC-7700 HF/50MHz TRANSCEIVER at the time of
publication.
MODEL
IC-7700
ORDERING PARTS
Be sure to include the following four points when ordering
replacement parts:
1. 10-digit Icom parts numbers
2. Component name
3. Equipment model name and unit name
4. Quantity required
<ORDER EXAMPLE>
1110003491 S.IC
8820001210 Screw 2438 screw
Addresses are provided on the inside back cover for your
convenience.
fineline6
INTRODUCTION
VERSION
USA
EUR
FRA
ITR
ESP
UK
KOR
TA31136FNG IC-7700 MAIN UNIT
IC-7700 Top cover
NEVER connect the transceiver to an AC outlet or to a DC
power supply that uses more than specifed. This will ruin
the transceiver.
DO NOT expose the transceiver to rain, snow or any liquids.
DO NOT reverse the polarities of the power supply when
connecting the transceiver.
DO NOT apply an RF signal of more than 20 dBm (100 mW) to
the antenna connector. This could damage the transceiver's
front-end.
To upgrade quality, any electrical or mechanical parts and
internal circuits are subject to change without notice or
obligation.
1. Make sure the problem is internal before disassembling
the transceiver.
2. DO NOT open the transceiver until the transceiver 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.
insulated tuning tool MUST be used for all adjustments.
5. DO NOT keep power ON for a long time when the
transceiver is defective.
5 pieces
6. DO NOT transmit power into a Standard Signal
10 pieces
Generator or a Sweep Generator.
7. ALWAYS connect a 50 dB to 60 dB attenuator between
the transceiver and a Deviation Meter or Spectrum
Analyzer when using such test equipment.
8. READ the instructions of test equipment throughly
before connecting a test equipment to the transceiver.
of Icom Incorporated (Japan) in the United States, the United
tries.
CAUTION
REPAIR NOTES
An