Ericsson LBI-39014 Скачать руководство пользователя

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Mobile Communications

MDX



UHF MOBILE RADIO

Printed in U.S.A.

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

PA BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . LBI-39051
SERVICE SECTION . . . . . . . . . . . . . . . . . . . . . . . LBI-39018

Maintenance Manual

LBI-39014

Содержание LBI-39014

Страница 1: ...O Printed in U S A 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 PA BOARD LBI 39051 SERVICE SECTI...

Страница 2: ...dc Off 0 01 Amperes Maximum Squelched 0 75 Amperes Maximum Unsquelched 3 5 Amperes Maximum at 10 Watts audio External Speaker Transmitter 13 8 Vdc 13 0 Amperes Maximum at 40 Watts RF Channel Spacing 2...

Страница 3: ...NDARD METHODS PROCEDURES Mil 810C Mil 810D Mil 810E High Temperature 501 1 Proc 2 501 2 Proc 2 501 3 Proc 2 Low Temperature 502 1 Proc 2 502 2 Proc 2 502 3 Proc 2 Low Pressure 500 1 Proc 1 500 2 Proc...

Страница 4: ...e Audio Logic Board provides all audio and digital proc essing of the receive and transmit audio for digital processing by the Logic Board This board also contains audio filtering conventional analog...

Страница 5: ...d through programming Both of these important factors must be considered when ad dressing the following instructions USER INTERFACE Operating controls are located on the radio front panel and micropho...

Страница 6: ...hannel 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 POWER s...

Страница 7: ...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 the PTT...

Страница 8: ...cond 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 and P...

Страница 9: ...ted 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 GROUP...

Страница 10: ...at 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 The d...

Страница 11: ...ardware 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 J1To J103 19A704884P4 J2To J102 19B801467...

Страница 12: ...ASSEMBLY DIAGRAM MDX UHF Mobile Radio 19D904183 Sh 5 Rev 0 LBI 39014 LBI 39014 11...

Страница 13: ...ASSEMBLY DIAGRAM MDX UHF Mobile Radio 19D904183 Sh 7 Rev 1 LBI 39014 LBI 39014 12...

Страница 14: ...INTERCONNECTION DIAGRAM MDX UHF Mobile Radio 188D5198 Sh 1 Rev 0 LBI 39014 LBI 39014 13...

Страница 15: ...INTERCONNECTION DIAGRAM MDX UHF Mobile Radio 188D5198 Sh 3 Rev 0 LBI 39014 LBI 39014 14...

Страница 16: ...INTERCONNECTION DIAGRAM MDX UHF Mobile Radio 188D5198 Sh 4 Rev 0 LBI 39014 LBI 39014 15...