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INTRODUCTION
This service manual describes the latest service information
for the
IC-7800
THE TRANSCEIVER at the time of publica-
tion (include FCC and R&TTE versions).
DANGER
NEVER
connect the transceiver to an DC power supply or to
an AC outlet that uses more than 265 V. This will ruin the
transceiver.
DO NOT
expose the transceiver to rain, snow or any liquids.
DO NOT
apply an RF signal of more than 20 dBm (100 mW)
to the antenna connector. This could damage the transceiv-
er’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>
1110003870 S.IC
NJM2058M
IC-7800
MAIN UNIT
5 pieces
8810008450 Screw BiH M4
×
8 ZK IC-7800
Top cover
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
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. An insu-
lated tuning tool
MUST
be used for all adjustments.
5.
DO NOT
keep power ON for a long time when the trans-
ceiver is defective.
6.
DO NOT
transmit power into a 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 ana-
lyzer when using such test equipment.
8.
READ
the instructions of test equipment thoroughly
before connecting equipment to the transceiver.
To upgrade quality, any electrical or mechanical parts and
internal circuits are subject to change without notice or
obligation.
MODEL
IC-7800
SYMBOL
VERSION
USA
EUR
FRA
ITR
KOR
ESP
UK
U.S.A.
Europe
France
Italy
Korea
Spain
United Kingdom
Icom, Icom Inc. and are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom,
Germany, France, Spain, Russia and/or other countries.
Summary of Contents for IC-7800
Page 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 65 VOLTAGE DIAGRAM 67 Dec 2009 ...
Page 79: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 60 VOLTAGE DIAGRAM 64 Feb 2009 ...
Page 157: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 57 VOLTAGE DIAGRAM 59 Aug 2008 ...
Page 245: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 57 VOLTAGE DIAGRAM 59 Jul 2008 ...
Page 333: ...THE TRANSCEIVER i7800 SERVICE MANUAL S 14015HZ C1 2 Mar 2006 ...
Page 555: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14015HZ C1 2 C 2004 2006 Icom Inc ...