Specifications

ManualsBrandsMDX ManualsRadioLBI-33055

TABLE OF CONTENTS

RF BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . LBI-39017

SYSTEM BOARD . . . . . . . . . . . . . . . . . . . . . . . . LBI-38842

AUDIO/LOGIC BOARD . . . . . . . . . . . . . . . . . . . . . LBI-39016

AUDIO AMPLIFIER BOARD . . . . . . . . . . . . . . . . . . LBI-38844

FRONT CAP ASSEMBLY . . . . . . . . . . . . . . . . . . . . LBI-38850

LBI-38974

PA BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . LBI-39051

SERVICE SECTION . . . . . . . . . . . . . . . . . . . . . . . LBI-39018

LBI-3305

Maintenance Manual

MDX



UHF MOBILE RADIO

ericssonz

Ericsson Inc.

Private Radio Systems

Mountain View Road

Lynchburg, Virginia

1-800-528-7711 (Outside USA, 804-528-7711)

Printed in U.S.A.

Summary of content (12 pages)

PAGE 1
LBI-33055 Maintenance Manual MDX UHF MOBILE RADIO TABLE OF CONTENTS RF BOARD . . . . . . . . . . . . . . . . . . . . . SYSTEM BOARD . . . . . . . . . . . . . . . . . AUDIO/LOGIC BOARD . . . . . . . . . . . . . . AUDIO AMPLIFIER BOARD . . . . . . . . . . . FRONT CAP ASSEMBLY . . . . . . . . . . . . . LBI-39017 LBI-38842 LBI-39016 LBI-38844 LBI-38850 LBI-38974 PA BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . LBI-39051 SERVICE SECTION . . . . . . . . . . . . . . . . . . . . . . .
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LBI-33055 SPECIFICATIONS* TABLE OF CONTENTS Page GENERAL SPECIFICATIONS* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Operating Voltage 13.8 Volts ±15% DESCRIPTION . . . . . . . . . . . RF BOARD . . . . . . . . . . Synthesizer . . . . . . Transmitter . . . . . . Receiver . . . . . . . POWER AMPLIFIER BOARD AUDIO/LOGIC BOARD . . . FRONT CAP ASSEMBLY . . SYSTEM BOARD . . . . . . . Battery Drain Receiver (13.
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LBI-33055 Continued Continued SPECIFICATIONS* ENVIRONMENTAL RECEIVER STANDARD METHODS PROCEDURES Frequency Range High Split Radio 485 - 490 MHz Mechanical Shock 516.2/Proc 1 516.3/Proc 1-6 516.4/Proc 1-6 Sensitivity (12 dB SINAD) -116 dBm (maximum) Humidity 507.1 507.2 507.3 Spurious Rejection -70 dB (maximum) Salt Fog 509.1/Proc 1 509.2/Proc 1 509.3/Proc 1 Blowing Dust 510.1/Proc 1 510.2/Proc 1 510.3/Proc 1 Image Rejection -70 dB (maximum) Driven Rain 506.1/Proc 1 506.
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LBI-33055 DESCRIPTION The UHF MDX Mobile Radio is a synthesized, wide band radio that uses integrated circuits and microcomputer technology to provide high performance in conventional communications systems. The UHF MDX Mobile radio provides 40 Watts of RF power output in the 403-440, 440-470 or 470512 MHz bands. All radio functions are stored in a programmable Electrically Erasable PROM (EEPROM).
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LBI-33055 RADIO OPERATION 1. Confirm that the radio is turned on. If not, press the POWER switch. A complete set of operating instructions for the MDX UHF radio are provided in Operator’s Manual. 2. If the SCAN indicator is lit, press and release the SCAN switch to disable the scan function. In the conventional mode of operation, the user selects a channel and communicates on that channel in the conventional mode.
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PARTS LIST ASSEMBLY DIAGRAM LBI-33055 MDX  UHF MOBILE RADIO ASSEMBLY 19D904183P5 Issue 1 SYMBOL PART NO. DESCRIPTION ---------------------ASSEMBLIES-------------------- A1 188D5062G4 RF Board (470 - 512 MHz) A3 19D901891G3 System Board A4 19D904025G2 Audio Amplifier Board A5 19D903963G2 Audio/Logic Board 19D904792G3 Power Amplifier Board (470 - 512 MHz) ---------------------KITS-------------------- 344A4253G1 Hardware Kit No. 1 344A4256G5 Hardware Kit No.
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LBI-33055 MDX UHF Mobile Radio (19D904183, Sh. 5, Rev.
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ASSEMBLY DIAGRAM LBI-33055 MDX UHF Mobile Radio (Made From 19D904183, Sh. 7, Rev.
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LBI-33055 MDX UHF Mobile Radio (188D5198, Sh. 1, Rev.
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INTERCONNECTION DIAGRAM LBI-33055 MDX UHF Mobile Radio (188D5198, Sh. 3, Rev.
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LBI-33055 MDX UHF Mobile Radio (188D5198, Sh. 4, Rev.
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