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Manual Ericsson LBI-31629B

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  • Ericsson LBI-31629B - page 1

    LBI-31629B INCLUDES SER VICE SECTIO N . . . . . . . . . . . . . . LBI-31 677 ericssonz Maintenance Manual M-PD  SYSTEM 136-174 MHz PERSON AL TWO-W A Y FM RADIO COMBIN A TION Ericsson Inc. Pri v ate Radio Systems Mountain V iew Roa d L ync hburg, V irginia 24502 1-800- 528-7711 (Ou tside USA, 804-5 28-7711) Printed in U.S.A . ...

  • Ericsson LBI-31629B - page 2

    Copyright © Apr il 1987, General Electric Compan y SPECIFICA TIONS SYSTEM Frequency Ra nge FCC Id en tification Number 136 MHz to 160 MHz AXA9WNTR-145-A 150 MHz to 174 MHz AXA9WNTR-145-B Frequency Stability 5 PPM Battery Drain (at 7.5 VDC) Standby 65 Milliamperes Recei ver (Rated Audio) 195 Milliamperes T ransmitter 1.9 amperes Dimensi o ns ( H x ...

  • Ericsson LBI-31629B - page 3

    DESCRIPTION Ericsson GE’ s M-PD System Pe rsonal Radio is a high- quality , high-performance, two-way , FM, comm unicat ions uni t consis ting of a transmit/r eceiv e circuit with a frequency syn- thesizer cont rolled by a microprocessor . The M-PD Pe rsonal Radio is ideal for use in public services by pro vidin g the fol- lowing features: • 48 ...

  • Ericsson LBI-31629B - page 4

    • Channel Busy Lo ck Out : Personality information in- cludes the ca pability to preve nt the transmitter from op- erating on a channel where carr ier acti vity is present. The "Channel Busy" indicator (BSY) is acti ve duri ng this time. • A utomatic/Manual Power Levels : The desired power lev el on each channel can be progr ammed int ...

  • Ericsson LBI-31629B - page 5

    Assemble these part s into one unit according to the fol- lowing procedure and as sho wn in Figure 1 - M-PD Op erat- ing Controls and Accessories. 1. Screw the antenna or the RF te st connector In its receptacle. A clockwise turn will insert the antenna or RF test connector , while a counter clockwise turn will remove them. 2. Slid e the battery pa ...

  • Ericsson LBI-31629B - page 6

    2. U se the DTMF keypad or use the Recall T elephone Number key (RCL) to enter the digits of the te le- phone nu mb er . 3. Press the secondar y key and the n press the SEND key . An optional tone (sidetone) m ay be heard as each digit is transmitted. 4. When someone answers, pres s the PTT bar and speak d irectly i nto the grille on the radio, or ...

  • Ericsson LBI-31629B - page 7

    Q202. The RF power output from Pin 2 of th e TX-Amp module A201 i s conne cted th rough a resist or atte nuator to Pin 1 of the P A module where it is appli e d to t he in pu t of the RF power amplifier stages. The RF power amplifie r stages amplify the input from the TX-Am p module to a typ ical power output le vel of 6 watts at Pin 5. The output ...

  • Ericsson LBI-31629B - page 8

    Synthesizer Circuit The Synt hesizer circu it co ntains P hase-L ock-l oop mod - ule (PLL) A 102, VCTCXO Referenc e Oscillator module A103, TX/RX V oltage Controlled Oscillator modul e (VCO) A106 and a Low Pas s Filter ampl ifie r (LPF). Refer to Fi g- ure 9 - Synthesizer . The VCO used to gene rate the recei ve and tran smit reference frequencies ...

  • Ericsson LBI-31629B - page 9

    CONTR OLLER CIRCUIT This co ntroller circuit consists of contr ol circuits and audio ci rcuits. Physi cally , this circuit consists of three cir- cuit boards as follo ws: • Contr ol Boar d • Signal in g Board • LCD Board Contr ol Board The Cont rol board cons ists of the following circ uits (see Figure 2): • CMOS Micr ocomput er (A1) • RA ...

  • Ericsson LBI-31629B - page 10

    Charger comb inations for charging the battery packs a re av ailable with char ge times of 1 hour , 3 hours and 16 h ours. A combination can be a single unit desk or a vehicular char ger . It can also be a wall mounted multiple charger . Charge Le vel A fully charged battery pack should provide a te rminal voltage greater than 7.5V . A fully discha ...

  • Ericsson LBI-31629B - page 11

    Figure 11 - Disassembly Figure 12 - Disassembly Step 1 Figure 13 - Disassembly Step 2 Figure 14 - Disassembly Step 3 LBI-31629 10 ...

  • Ericsson LBI-31629B - page 12

    Figure 15 - Disassembly Step 4 Figure 16 - Disassembly Step 5 Figure 17 - Disassembly Step 6 Figure 18 - Disassembly Step 7 LBI-31 629 11 ...

  • Ericsson LBI-31629B - page 13

    INTRINSICALL Y SAFE USA GE Selected personal radios with appropriat e factory installed F4 Options are certi fied as Intrinsically Safe by the Fa ctory Mu tual Research Corp oration for use in Class 1 , Di vision 1 o r 2, hazardous locations in the pres ence of Groups C a nd D at- mospheres; Non-incendi ve Class 1, Di vis ion 2, h az ar do us loc a ...

  • Ericsson LBI-31629B - page 14

    1. The battery is continuously overchar ged for lo ng pe ri- ods of time. 2. A regularly performed duty cycle which allo ws the battery to expend only a limited por tion of i ts capa c- ity . If the nickel-cadmium battery is only sparingly or s eldom used and is left on continuous charge for one or two months at a time, it could d evelop the " ...

  • Ericsson LBI-31629B - page 15

    INTERCONNECTION DIA GRAM LBI-31629 14 ...

  • Ericsson LBI-31629B - page 16

    RADIO BO ARD A4WE0373 9/40 OUTLINE DIA G RAM COMPONENT SIDE SOLDER SI DE LBI-31 629 15 ...

  • Ericsson LBI-31629B - page 17

    SCHEMA TIC DIA GRAM RADIO SCHEMA TIC DIA GRAM WITH TYPI CAL V OL T A GE A4WE0373 9/40 LBI-31629 16 ...

  • Ericsson LBI-31629B - page 18

    Contr oller Board A4WE0402 3 OUTLINE DIA G RAM COMPONENT SIDE SOLDER SI DE LBI-31 629 17 ...

  • Ericsson LBI-31629B - page 19

    SCHEMA TIC DIA GRAM Contr oller Board A4WE0402 3 LBI-31629 18 ...

  • Ericsson LBI-31629B - page 20

    Signalli ng Board A4WE0402 4 OUTLINE DIA G RAM SCHEMA TIC DIA GRAM COMPONENT SIDE SOLDER SI DE M-PD Signaling Board A4WE0402 4 LBI-31 629 19 ...

  • Ericsson LBI-31629B - page 21

    LCD Board A4WE0373 7 OUTLINE DIA GRAM COMPONENT SIDE SOLDER SIDE LBI-31629 20 ...

  • Ericsson LBI-31629B - page 22

    SCHEMA TIC DIA GRAM LCD 1 Board A4WE0373 7 LBI-31 629 21 ...

  • Ericsson LBI-31629B - page 23

    SCHEMA TIC & OUTLINE DIA GRAM Battery Packs LBI-31629 22 ...

  • Ericsson LBI-31629B - page 24

    MECHANICAL P ARTS BREAKDO WN M-PD EXPLODED VIEW SYSTEM TYPE A1WL09 006 LBI-31 629 23 ...

  • Ericsson LBI-31629B - page 25

    PA R T S L I S T LBI-31629 24 ...

  • Ericsson LBI-31629B - page 26

    PA R T S L I S T LBI-31 629 25 ...

  • Ericsson LBI-31629B - page 27

    PA R T S L I S T LBI-31629 26 ...

  • Ericsson LBI-31629B - page 28

    PA R T S L I S T LBI-31 629 27 ...

Manufacturer Ericsson Category Radio

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- or energy labels Ericsson LBI-31629B
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-31629B.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Ericsson LBI-31629B, service manual, brief instructions and user manuals Ericsson LBI-31629B. 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-31629B.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Ericsson LBI-31629B by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Ericsson LBI-31629B.

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-31629B - 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-31629B, 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-31629B, that we can find in the current document
3. Tips how to use the basic functions of the device Ericsson LBI-31629B - which should help us in our first steps of using Ericsson LBI-31629B
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5. FAQ - Frequently Asked Questions
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