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Mobile Communications
MTD™ SERIES
900 MHz, 10-WATT,
DATA ONLY MOBILE RADIO
TABLE OF CONTENTS
RF BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LBI-38545
AUDIO BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . LBI-38546
LOGIC BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . LBI-38616
SERVICE SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . LBI-38711
Maintenance Manual
LBI-38710
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Table of Contents
Related Manuals for Ericsson GE MTD SERIES
Summary of Contents for Ericsson GE MTD SERIES
- Page 1 LBI-38710 Mobile Communications MTD™ SERIES 900 MHz, 10-WATT, DATA ONLY MOBILE RADIO TABLE OF CONTENTS RF BOARD ....... LBI-38545 AUDIO BOARD .
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Page 2: Table Of Contents
SQUELCH TAIL ELIMINATION (STE)..................PC PROGRAMMING OPTIONS ....................NOISE SUPPRESSION KIT OPTION ..................REMOTE DATA TERMINAL OPTION..................POWER CABLE..........................SYSTEM DESCRIPTION ........................MAINTENANCE..........................INTERCONNECTION DIAGRAM..................... ILLUSTRATED MECHANICAL PARTS BREAKDOWN..............MECHANICAL PARTS LIST ......................Copyright© May 1993, Ericsson Ge Mobile Communication Inc. -
Page 3: Specifications
LBI-38710 SPECIFICATIONS GENERAL 13.8 volts ±20% Operating Voltage Battery Drain Transmit3.5 Amperes Receive 0.6 Amperes Channel Spacing 12.5 kHz ±1.5 PPM Frequency Stability Temperature Range -30°C to +60°C (-22°F to +140°F) Dimensions (H x W x D) (Less Accessories) Height 43.5mm (1.7 inches) Width 160.2mm (6.3 inches) -
Page 4: General Description
LBI-38710 The circuit boards are mounted in a main casting to GENERAL DESCRIPTION provide easy access for servicing. Interconnect plugs are used to connect the boards to eliminate pinched wires and other wiring problems. The MTD™ SERIES DATA ONLY 900 MHz mobile is a synthesized, wideband radio that uses integrated circuits and microcomputer technology to provide high performance RF BOARD... -
Page 5: Audio Board
LBI-38710 AUDIO BOARD NOISE SUPPRESSION KIT OPTION All of the data signals to and from the transceiver are Noise Suppression Kit Option PD1A (19A148539G1) is processed by the audio board. Functions provided by the audio available for installations where excessive alternator or elec- board circuitry include the receiver noise squelch, received trical noises present on the power cable do not permit the radio data filtering and amplification, transmit data filtering and... -
Page 6: Maintenance
MAINTENANCE • Receiver Voltage Readings • Maintenance information for the MTD SERIES 900 MHz IC and Surface Mount Component Replacement Pro- DATA ONLY mobile radio is provided in the Service Section cedures. Manual LBI-38711, listed in the Table of Contents of this... -
Page 7: Interconnection Diagram
INTERCONNECT DIAGRAM LBI-38710 MTD SERIES 900 MHz, 10 WATT DATA ONLY MOBILE RADIO (19C851523, Sh. 4, Rev. 2) -
Page 8: Illustrated Mechanical Parts Breakdown
LBI-38710 ILLUSTRATED MECHANICAL PARTS BREAKDOWN MTD SERIES 900 MHz, 10 WATT DATA ONLY MOBILE RADIO (19C851519, Sh. 6, Rev. 3) -
Page 9: Mechanical Parts List
MECHANICAL PARTS LIST LBI-38710 MTD SERIES 900 MHz, 10 WATT DATA ONLY MOBILE RADIO 19C851519G20 SYMBOL PART NUMBER DESCRIPTION — — — CIRCUIT BOARDS — — 19D902151G3 Logic Board, MTD. 19D902132G3 RF Board, MTD. 19D902304G2 Audio Board, MTD. — — — ASSOCIATED PARTS — —...
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