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Manual Ericsson LBI-38848D

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Summary
  • Ericsson LBI-38848D - page 1

    Maintenance Manual LBI- 38848D DUAL FORMAT MDX  806 - 870 MHz MOBILE RADIO TABLE OF CONTENTS RF BOARD . . . . . . . . . . . . . . . . . LBI-3884 9 SYSTEM BOAR D . . . . . . . . . . . . . LBI-38842 AUDIO/LOGIC BOARD . . . . . . . . . . LBI-38843 AUDIO AMPLIFI ER BOARD . . . . . . . LBI-38844 FRONT CAP ASSEMBLY . . . . . . . . . LBI-38 850 LB I-38 ...

  • Ericsson LBI-38848D - page 2

    Copyrigh t© Decem be r 19 92 , Ericsso n GE Mobile Comm un icat ion s Inc. T ABLE OF CONTENT S Page SPE CI FIC A TION S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 GEN ERA L DESC RIPTI ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 R F B O ARD ...

  • Ericsson LBI-38848D - page 3

    GENERAL DESCRIPTION The D u al Fo rm at M DX  Mobile R adio is a s ynthe size d, wideba nd ra dio t hat use s int e grate d circ uits and micro com- puter tec hnology to pro v id e hig h pe rforma nce trunk ed oper a- tio n. Thi s radio operates in the Enhanced Di gital Access Communications System (ED A CS ® ), GE-MARC trunking en- vironments ...

  • Ericsson LBI-38848D - page 4

    AUDIO/LOGIC BOARD The Audio/ Logi c Board pr ovi des all audio and digi tal processing of the receive and transmit audio fo r digital proc essin g by the Log ic Board . The board a lso c ontain s audio filtering, con v entional analog tone processing, and the receiver squ elch. The Aud io/L ogic Bo ard co ntrols the ope ra- tion of the radio and di ...

  • Ericsson LBI-38848D - page 5

    HARDWARE AND HARDWARE OPTIONS The loc ation and pla cement of system har dware op tions are sh o wn o n Sheet 4 of th e 800 MHz Du al Format MD X Mobile Interconnect Diagrams. OPTION CABLE Option Cable Option PMCD7Z (19C851585P14) is used to bring all option con nections from the System Bo ard through th e back of the radio to the outside. This cab ...

  • Ericsson LBI-38848D - page 6

    tone in order for the radio to enter the Ready mode. If no busy tone is present or if th e four-tone sequence isn’ t valid, the mobile will jump to the next channel in the call originate se t and ch eck fo r b usy tone as desc ribed a bov e. Ready Mode Whe n an inco ming call has been detec ted or an i dle ch an- nel has been acquired, the mobile ...

  • Ericsson LBI-38848D - page 7

    In a two-tone call, the mobile sends the collec ted tone for a prog rammab le duration . In the four -t one call, th e mo- bile always se nds a 90-millisecond collect tone which the repe ater re gene rates an d sends fo r the corre ct duration . Group/Individual T ones Group/In di vidu al T ones chose n from the 34 standa rd frequencies follo w the ...

  • Ericsson LBI-38848D - page 8

    ASSEMBLY DIAGRAM (19D904183, Sh. 1, Rev. 17) LBI-38 848D 7 ...

  • Ericsson LBI-38848D - page 9

    ASSEMBLY DIAGRAM (19D904183, Sh. 2, R ev. 17) (19D904183, Sh. 5, Rev. 17) LBI-38848D 8 ...

  • Ericsson LBI-38848D - page 10

    INTERCONNECTI ON DIAG RAM (19D904133, Sh. 1, R ev. 3) LBI-38 848D 9 ...

  • Ericsson LBI-38848D - page 11

    INTERCONNECTION DIAGRAM (19D904133, Sh. 2, Rev. 2) LBI-38848D 10 ...

  • Ericsson LBI-38848D - page 12

    INTERCONNECTI ON DIAG RAM (19D904133, Sh. 3, R ev. 2) LBI-38 848D 11 ...

Manufacturer Ericsson Category Portable Radio

Documents that we receive from a manufacturer of a Ericsson LBI-38848D can be divided into several groups. They are, among others:
- Ericsson technical drawings
- LBI-38848D manuals
- Ericsson product data sheets
- information booklets
- or energy labels Ericsson LBI-38848D
All of them are important, but the most important information from the point of view of use of the device are in the user manual Ericsson LBI-38848D.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Ericsson LBI-38848D, service manual, brief instructions and user manuals Ericsson LBI-38848D. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Ericsson LBI-38848D.

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A complete manual for the device Ericsson LBI-38848D, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Ericsson LBI-38848D by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Ericsson LBI-38848D.

A complete Ericsson manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Ericsson LBI-38848D - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Ericsson LBI-38848D, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Ericsson LBI-38848D, that we can find in the current document
3. Tips how to use the basic functions of the device Ericsson LBI-38848D - which should help us in our first steps of using Ericsson LBI-38848D
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Ericsson LBI-38848D
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Ericsson LBI-38848D in a specific country, if it was not possible to solve the problem on our own.

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