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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
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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.
Copyright© June 1990, Ericsson GE Mobile Communications Inc.
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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.
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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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