Ericsson LBI-39014B Maintenance Manual Download

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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-39014B

Maintenance Manual

MDX



UHF MOBILE RADIO

ERICSSONZ

Ericsson Inc.
Private Radio Systems
Mountain View Road
Lynchburg, Virginia 24502
1-800-528-7711 (Outside USA, 804-528-7711)

Printed in U.S.A.

Summary of Contents for LBI-39014B

Page 1: ...IER BOARD LBI 38844 FRONT CAP ASSEMBLY LBI 38850 LBI 38974 PA BOARD LBI 39051 SERVICE SECTION LBI 39018 LBI 39014B Maintenance Manual MDX UHF MOBILE RADIO ERICSSONZ Ericsson Inc Private Radio Systems...

Page 2: ...n Inc NOTICE Repairs to this equipment should be made only by an authorized service technician or facility designated by the supplier Any re pairs alterations or substitution of recommended parts made...

Page 3: ...tenuation from 2500 3000 Hz per EIA TIA 603 Audio Output 10 Watts External Speaker 4 Watts Internal Speaker 7 5 Watts External Speaker with remote mount kit Audio Distortion 5 maximum at 1 kHz Hum and...

Page 4: ...essor and associated memory circuits in cluding an Electrically Programmable Read Only Memory EPROM for controlling the processor and a programmable personality memory an EEPROM to store customer fre...

Page 5: ...se important factors must be considered when ad dressing the following instructions USER INTERFACE Operating controls are located on the radio front panel and microphone The Front panel Light Emitting...

Page 6: ...ed channel from the scan list 5 Repeat preceding steps 2 through 5 for each chan nel to be removed from the scan list REVIEWING THE SCAN LIST 1 Confirm that the radio is turned on If not press the POW...

Page 7: ...scan which would cause big gaps in the receive audio and allows time to respond to a received call The hang time also prevents the radio from immediately leaving the channel and resuming scan when th...

Page 8: ...ry second otherwise If there is only a Priority 1 P1 channel then it is sampled every 2 5 seconds if it has Channel Guard and carrier is detected and every 500 millisec onds otherwise If there are P1...

Page 9: ...ustrated as follows ERICSSON GE TYPE 99 FORMAT INDIVIDUAL CALL FORMAT 1 0 SEC 20 TONE A 200 MS 25 GAP 1 0 SEC 300 0 TONE B GROUP CALL FORMAT 1 0 SEC 20 TONE A 200 MS 25 GAP 1 0 SEC 300 0 TONE D SUPER...

Page 10: ...Format In Group Call application the Tone Group is determined by Table 7 while the frequency is determined by Table 6 Refer to the following examples EXAMPLE 1 Group Call Code 07 also code 27 and 37 T...

Page 11: ...2 MHz KITS 344A4253G1 Hardware Kit No 1 344A4256G3 Hardware Kit No 2 403 440 MHz 344A4256G4 Hardware Kit No 2 440 470 MHz 344A4256G5 Hardware Kit No 2 470 512 MHz CABLES 19A704884P4 J1 To J103 19A7048...

Page 12: ...ASSEMBLY DIAGRAM MDX UHF Mobile Radio 19D904183 Sh 5 Rev 18 LBI 39014B 11...

Page 13: ...ASSEMBLY DIAGRAM MDX UHF Mobile Radio 19D904183 Sh 7 Rev 18 LBI 39014B 12...

Page 14: ...INTERCONNECTION DIAGRAM MDX UHF Mobile Radio 188D5198 Sh 1 Rev 1 LBI 39014B 13...

Page 15: ...INTERCONNECTION DIAGRAM MDX UHF Mobile Radio 188D5198 Sh 3 Rev 1 LBI 39014B 14...

Page 16: ...INTERCONNECTION DIAGRAM MDX UHF Mobile Radio 188D5198 Sh 4 Rev 1 LBI 39014B 15...