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INTRODUCTION
This service manual describes the latest service information for
the IC-T90A MULTIBAND FM TRANSCEIVER at the time of
publication.
T90A
U.S.A.
General
Canada
S.E. Asia
USA
GEN
CAN
SEA
To upgrade quality, all electrical or mechanical parts and inter-
nal circuits are subject to change without notice or obligation.
DANGER
NEVER connect the transceiver to an AC outlet or to a DC
power supply that uses more than 12 V. Such a connection
could cause a fire hazard and/or electric.
DO NOT expose the transceiver to rain, snow or any liquids.
DO NOT reverse the polarities of the power supply when
connecting the tranceiver.
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.
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>
1130006220 S.IC TC4W53FU IC-T90A LOGIC UNIT 1 piece
8930054290 2372 Main seal IC-T90A Chassis 5 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 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 signal generator or a sweep generator.
7. ALWAYS connect a 40 dB or 50 dB attenuator between the transceiver and a deviation meter or spectrum analyser when
using such test equipment.
8. READ the instructions of test equipment thoroughly before connecting equipment to the transceiver.
Communication Equipment
Himmelgeister Str. 100, D-40225 D sseldorf, Germany
Phone: 0211 346047 Fax : 0211 333639
URL : http://www.icomeurope.com
Unit 9, Sea St., Herne Bay, Kent, CT6 8LD, U.K.
Phone: 01227 741741 Fax : 01227 741742
URL : http://www.icomuk.co.uk
Zac de la Plaine, Rue Brindejonc des Moulinais
BP 5804, 31505 Toulouse Cedex, France
Phone: 561 36 03 03 Fax : 561 36 03 00
URL : http://www.icom-france.com
Crta. de Gracia a Manresa Km. 14,750
08190 Sant Cugat del Valles Barcelona, SPAIN
Phone:
(
93
)
590 26 70 Fax :
(
93
)
589 04 46
URL : http://www.icomspain.com
<
Corporate Headquarters
>
2380 116th Avenue N.E., Bellevue, WA 98004, U.S.A.
Phone:
(
425
)
454-8155 Fax :
(
425
)
454-1509
URL : http://www.icomamerica.com
<
Customer Service
>
Phone:
(
425
)
454-7619
Glenwood Centre #150-6165
Highway 17 Delta, B.C., V4K 5B8, Canada
Phone:
(
604
)
952-4266 Fax :
(
604
)
952-0090
URL : http://www.icomcanada.com
A.B.N. 88 006 092 575
290-294 Albert Street, Brunswick, Victoria, 3056, Australia
Phone: 03 9387 0666 Fax : 03 9387 0022
URL : http://www.icom.net.au
146A Harris Road, East Tamaki,
Auckland, New Zealand
Phone: 09 274 4062 Fax : 09 274 4708
URL : http://www.icom.co.nz
6F No. 68, Sec. 1 Cheng-Teh Road, Taipei, Taiwan, R.O.C.
Phone: (02) 2559 1899 Fax : (02) 2559 1874
1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan
Phone : 06 6793 5302
Fax : 06 6793 0013
URL : http://www.icom.co.jp/world/index.html
MODEL VERSION SYMBOL
IC-T90A (2,3)