Ericsson MTL-SX User Manual

Maintenance Manu al

LBI-38432A

Mobile Communications

MTL-SX 146 - 174 MHz

PORTABL E TW O - WAY FM RAD I O

TABLE OF CONT EN TS

REAR COVER ASSEMBLY . . . . . . . . . . . . . . . . . LBI-38597

FRONT COVER ASSEMBLY (EARLIER) AND

CONTROL BOARD . . . . . . . . . . . . . . . . . . . . . . LBI-38514

FRONT COVER ASSEMBLY (LATER) LESS

CONTROL BOARD . . . . . . . . . . . . . . . . . . . . . . LBI-38834

SERVICE SECTION . . . . . . . . . . . . . . . . . . . . . . LBI-38515

LBI-38432

TA BLE OF CONTENTS

SPECIFICATIONS............................................................................................................................... 3

OPTIONS AND ACCESSORIES......... .... ..... .... ..... ..... ..... .... ..... .... ..... ..... ..... .... ..... .... ..... ..... ..... .... ..... .. 4

INTRODUCTION ......... ............ ............ ............ ............ ............ ............ ............ ............ ............ ........... 5

FE ATURES.................................................................................................................................... 5

DESCRIPTION..................................................................................................................................... 6

REAR COVER ASSEMBLY........................................................................................................ 6

FRONT COVER ASSEMBLY .................... . ............... . ............... . ... ............. ... ............. ... ............. 6

ANTENNAS.................................................................................................................................. 6

BA TTERY PACKS.............. ................ ................ ................... ................ ................ ................ ....... 6

UNIVERSAL DEVICE CONNECTOR....................................................................................... 7

PROGRAMMI N G .................... ... . ... . ... . ... . ... .... . ... . ... . ... . ... . .... ... . ... . ... . ... . ... .... . ... . ... . ... . ... . .... ... . ... . ... . ... . ... . 8

FEATURES PROGRAMMABLE ON A PER CHANNEL BASIS............................................ 9

FEATURES PROGRAMMABLE ON AN OVERALL RADIO BASIS .................... ............ ... 9

OPERATO R M AN UA L ........ ................. ... ................. ... ................. ... ................. ... ................. ... .......... 9

OPERATING TIPS ............................................................................................................................... 9

INTRINSICALLY SAFE USAGE....................................................................................................... 9

BA TTERY PACKS.............. ................ ................ ................... ................ ................ ................ ....... 9

ACCESSORIES............................................................................................................................. 10

MAINTENANCE ................................................................................................................................. 10

PREVENTIVE MAINTENANCE................................................................................................ 10

ILLUSTRATIONS

Figure 1 - MTL-SX Portable Radio.............................................................................................. 7

Figure 2 - UDC Pin-Out................................................................................................................ 8

Figure 3 - Front Panel Parts.......................................................................................................... 11

Figure 4 - Rear Cover Assembly Block Diagram........................................................................ 12

Figure 5 - Front Cover Assembly Block Diagram....................................................................... 13

Table 1 - UDC Pin Functions...................................................................................................... 8

Page

NOTE

The software contained in this device is copyrighted by Ericsson GE Mobile Communications, Inc. Unpublished rights are reserved under the copyright laws of the United States.

SPECIFICATIONS*

GENERAL

Frequency Ranges 146 - 162 MHz

157 - 174 MHz

FCC Type Acceptance Number AXATR-182-B5 (146 - 162 MHz)

AXATR-182-C5 (157 - 174 MHz) DOC Number TR-182-D2 Channel Capacity 16 Frequency Stability 5.0 ppm Channel Spacing 30 kHz Operating Temperature Range -30°C to +60°C Maximum Relative Humidity 90% at 55°C Battery Voltage 7.5 Vdc (nominal) Dimensions (H x W x D)

less battery, knobs and antenna 140 x 69 x 38 mm (5.52 x 2.72 x 1.50 ") with Extra High Cap. Battery 232 x 69 x 40 mm (9.15 x 2.72 x 1.58 ")

Weight

less battery and antenna 540 grams (19 ounces) with Extra High Cap. Battery 907 grams (32 ounces)

LBI-38432

TRANSMITTER

Rated RF Power Output 6.0 Watts High / Low RF Power Output 6.0 Watts / 1 Watt (programmable on a per channel

basis) Maximum FM Deviation ±5 kHz

FM Hum and Noise -45 dB (companion receiver) Spurious and Harmonic Emissions -75 dBc Audio Response +1 to -3 dB (6 dB/octave pre-emphasis from

300 Hz to 3 kHz) Audio Distortion le ss than 3% (at 1000 Hz tone, ±3 kHz deviation)

RECEIVER

Sensitivity (12 dB SINAD) -116 dBm (0.35 µV) Adjacent Channel Selectivity -80 dB Critical Squelch 10 dB SINAD Modulation Acceptance ±7 kHz Intermodulation -78 dB Spurious and Image Rejection -80 dB Audio Output 500 mW (24-ohm load impedance) Audio Response +2 to -8 dB (6 dB/octave de-emphasis from

300 Hz to 3 kHz) Audio Distortion less than 5% (at 500 mW) * These specifications are intended primarily for the use of the serviceman. See the appropriate Specifications Sheet

for the complete specifications.

LBI-38432 OPTIONS AND ACCESSORIES

Radios, Antennas, Batteries

146-162 MHz HELICAL ANTENNA PANC1C 157-174 MHz HELICAL ANTENNA PANC1D 440-470 MHz HELICAL ANTENNA PANC1F

Carrying Accessories

BELT CLIP

PAHC1C

Swivel Mount Plate

5203

Audio Accessories

HEADSET/MIC

PAAB1A

CARRYING CASE

WITH BELT LOOP

PAHC1E PAHC1F

WITH SWIVEL MT

PAHC1G PAHC1H

SPKR/MIC

PAAE1A

SHOULDER

STRAP

PAHC1K

EXTRA HIGH CAP. BATTERY

PAPA1F (INTRINSICALLY SAFE)

EXTRA HIGH CAP. BATTERY

PAPA1E

Chargers

UNIVERSAL MULTI-CHARGER

CH6RA1 120 VAC 1HR CH6SA1 120 VAC 14HR CH6RA2 230 VAC 1HR CH6SA2 230 VAC 14HR

HIGH CAPACITY B A TTE RY

PAPA1G (INTRINSICALLY SAFE)

HIGH CAPACITY B A TTE RY

PAPA1H

MULTI-CHARGER

H2A2L2A 120 VAC 14 HR H2A2J1A 120 VAC 1 HR H2A2M2A 240 VAC 14 HR H2A2N1A 240 VAC 1 HR

UNIVERSAL DESK CHARGER

CH1RA1 120 VAC 1 HR CH1SA1 120 VAC 14 HR CH1RA2 230 VAC 1 HR CH1SA2 230 VAC 14 HR

INTERFA CE C ON NEC TOR

(Provided with PAAB1A)

COMPACT CHARGER

H2A5C2A - Vehicular Charger H2A6L2A - Desk Charger

GE-STAR LANYARD

PAAC1B

VEHICULAR CHARGER

H2V01 - Vehicular Charger H2V02 - Vehicular Chgr/Rptr Control

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