Icom IC-91A Service Manual
Vhf/uhf fm transceiver
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Also See for IC-91A:
- Instruction manual (134 pages) ,
- Service manual (50 pages) ,
- Instruction manual (131 pages)
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Summary of Contents for Icom IC-91A
- Page 1 SERVICE MANUAL VHF/UHF FM TRANSCEIVER VHF/UHF DIGITAL TRANSCEIVER S-14230HZ-C1 May. 2006 fineline6...
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Page 2: Ordering Parts
8. READ the instructions of test equipment thoroughly before connecting equipment to the transceiver. Icom, Icom Inc. and logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries. - Page 3 TABLE OF CONTENTS SECTION SPECIFICATIONS SECTION INSIDE VIEWS SECTION DISASSEMBLY INSTRUCTIONS SECTION UT-121 UNINSTALLATION SECTION CIRCUIT DESCRIPITON RECEIVER CIRCUITS............5-1 TRANSMITTER CIRCUITS .
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Page 4: Specifications
25/30/50/100/125 and 200 kHz : 50 Ω (SMA type) • Antenna impedance • Power supply : 10.0–16.0 V DC for external DC power, or specifi ed Icom’s battery pack † • Digital transmission speed : 4.8 kbps † • Voice coding speed : 2.4 kbps... - Page 5 SECTION 4 UT-121 UNINSTALLATION RECOMMENDATION: Critical technique is necessary for the UT-121 uninstallation, therefore, we recommend you to uninstall it at your dealer or service center. q Turn the power OFF, and remove the battery pack. w Unscrew 2 screws to remove the unit cover. 2 screws Unit cover e Insert the tweezers into the notches of the UT-121, and remove it as shown below.
- Page 6 S-14230HZ-C1 1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan © 2006 Icom Inc. fineline6...