Icom IC-T70A Service Manual page 2

INTRODUCTION
This service manual describes the latest technical
information for the IC-T70A and IC-T70E VHF/UHF DUAL
BAND FM TRANSCEIVER, at the time of publication.
To upgrade quality, any electrical or mechanical parts
and internal circuits are subject to change without notice
or obligation.
MODEL VERSION
BATTERY PACK
TPE
USA
KOR
IC-T70A
AUS
EXP
EXP-01
EUR
UK
IC-T70E
CHN
RSP
UNIT ABBREVIATIONS:
AC: ACCESSORY
CH: CHASSIS
M: MAIN UNIT
ORDERING PARTS
Be sure to include the following four points when ordering
replacement parts:
1. 10-digit Icom part number
2. Component name
3. Equipment model name and unit name
4. Quantity required
<ORDER EXAMPLE>
1110007320 NJM2591V
8310075430 3253 WINDOW PLATE
Addresses are provided on the inside back cover for your
convenience.
Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incorporated (Japan) in Japan, the United States, the
United Kingdom, Germany, France, Spain, Russia and/or other countries.
All manuals and user guides at all-guides.com
SUPPLIED SUPPLIED
CHARGER
BC-167SA
–
BC-167SV
BP-264
BC-167SA
BC-167SD
BC-167SD
–
–
BP-264 BC-167SD
IC-T70A MAIN UNIT 2 pieces
IC-T70E CHASSIS 10 pieces
CAUTION
NEVER connect the transceiver to an AC outlet or to a DC
power supply that uses more than the specified voltage.
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.
REPAIR NOTES
1. Make sure that 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.
6. DO NOT transmit power into a Standard Signal
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 the test equipment throughly
before connecting it to the transceiver.
(IC-T70A)
An