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Summary of Contents for Icom IC-E90
- Page 1 MULTIBAND FM TRANSCEIVER ie90...
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Page 2: Ordering Parts
INTRODUCTION This service manual describes the latest service information for the IC-E90 MULTIBAND FM TRANSCEIVER at the time of publication. MODEL VERSION SYMBOL Europe Europe-1 EUR-1 United Kingdom Italy Spain France To upgrade quality, all electrical or mechanical parts and inter- nal circuits are subject to change without notice or obligation. - Page 3 TABLE OF CONTENTS SECTION 1 SPECIFICATIONS SECTION 2 INSIDE VIEWS SECTION 3 DISASSEMBLY INSTRUCTIONS SECTION 4 CIRCUIT DESCRIPTION 4 - 1 RECEIVER CIRCUITS ....................4 - 1 4 - 2 TRANSMITTER CIRCUITS .................... 4 - 4 4 - 3 PLL CIRCUITS......................... 4 - 5 4 - 4 POWER SUPPLY CIRCUITS ..................
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Page 4: Specifications
SECTION 1 SPECIFICATIONS GENERAL • Frequency range (Unit: MHz) Version 50 MHz 145 MHz 440 MHz Receiving 430 – 440 50 – 52 0.495–999.990 430 – 434 50 – 51 435 – 438 144 – 148 50.000–52.000, 144.000–146.000, 430.000–440.000 – 430 –... -
Page 5: Inside Views
SECTION 2 INSIDE VIEWS • LOGIC UNIT • LOGIC UNIT Top view Bottom view RESET IC Crystal oscillator for CPU clock (IC142: S-80928CNMC) (X1: CR-687, 6.7584 MHz, Q40: UN9215) EEPROM (IC1: M30220MA-114RP) (IC2: HN58X24128FPI, Q2: UN9115) AF regulator (Q201: 2SB1201, Q202: XP1501) +3 regulator (Q8: 2SB1132,... - Page 6 S-13903MZ-C2 1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan 2002 Icom Inc.