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Manual GE LBI-38378C

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Summary
  • GE LBI-38378C - page 1

    LBI-38378 C Mobile Comm unications M-P A  VHF POR T ABLE FM RADIO T ABLE OF CONTE NTS REAR CO VER ASSEMBL Y . . . . . . . . . . . . LBI-38597 FR ONT CO VER ASSEMBL Y ( EARLIER) AND CONTR OL BO AR D . . . . . . . . . . . . . LBI-38384 FR ONT CO VER ASSEMBL Y ( LA T ER) LESS CONTR OL BO ARD . . . . . . . . . . . . . LBI-388 34 CONTR OL BO ARD (LA ...

  • GE LBI-38378C - page 2

    Copyright© No vember,1989, General Electric Com pany T ABLE OF CO NTENTS Page SPECIFIC A TIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 OPT IONS AND A CCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 INTR ODUCTION . . . . . . . . . . . . . ...

  • GE LBI-38378C - page 3

    SPECIFICA TIONS* GENERAL Frequency Bands 136 - 150. 8 M Hz (FCC T ype Acce ptanc e Number) 146 - 162 MHz (AXA TR-182-B5) 157 - 174 M Hz (AXA TR- 182-C 5 ) DOC Number TR-182- D2 Frequency Stability 5.0 ppm Channel Capacity Select Model 16 Scan Mode l 192 System Mode l 192 Maximum Freque ncy Sep aration full bandsplit Channe l Spacing 30 kHz Oper ati ...

  • GE LBI-38378C - page 4

    OPTIONS AND A CCESSORIES Chargers A udio Accessories Radios, Antennas, Batteries Carrying Accessories LBI-38378 4 ...

  • GE LBI-38378C - page 5

    INTR ODUCTION The M-P A radi o is a hig h quality microprocessor con- trolled synthesized portable FM radio . M-P A ope rati on is high lighted by the radio’ s prog ramming versatility . This al- lows t ailored operation of the port able radio to meet the needs of the radio system and the i nd i vidual us e rs. Thre e ( 3) different M-P A radio m ...

  • GE LBI-38378C - page 6

    • Programmable Multi-T one Channel Guard (CTCSS) - Channel Guard tone frequenc ies withi n the rang e of 67 Hz to 21 0.7 Hz, including all of the standard EIA fre q uenci es, ca n be progra mmed fo r enc od ed /decoded op eration. • Programmab le Multi-Code Digital Channe l Guard - Simi lar capability as with tone Channel Guard is pro vided. ? ...

  • GE LBI-38378C - page 7

    Figure 1 - System Model Figure 2 - Scan Mode l Figure 3 - Select Model Figure 4 - Side View (All Models) LBI-38 378 7 ...

  • GE LBI-38378C - page 8

    REAR CO VER ASSEMBL Y The Rear Cover Assembl y houses the R F Board in the die-cast al uminum case. The complete assemb ly consists of the VHF RF Board, aluminum case, top antenna jack, side (UDC) antenna jac k an d various hardwa re . The RF B oard’ s circuitry includes the transmitter , re- ceive r and the frequency synthesizer . This FM circui ...

  • GE LBI-38378C - page 9

    pack in need of a char ge will cause the low battery "B A T" status flag on the radio to turn on. This flag w ill tur n on when the battery pack’ s volt age drops be low appr oxima tely 6.8 V olts. The low batt ery alert tone will also be heard wh en the ba t tery pack needs ch arging. RECHARGEABLE B A TTER Y P A CK DISPOSAL The product ...

  • GE LBI-38378C - page 10

    T ABLE 2 - UDC PIN FUNCTIONS PIN NAME INPUT OR OUTPUT USE 1 GR OUND ------- Case Ground 3 UDC RX A UDIO Output T e st Point For Spea ker Audio 4 SWB A TT Output Switched Accesso ry Powe r 5 EXT PTT Input External M icropho ne PTT Inpu t 6 TX D A T A Input For Prog rammi ng 7 RX D A T A Output For Programming 8S P A R E 9 UDC V OL T ------ - Option/ ...

  • GE LBI-38378C - page 11

    • T wo in dividual T y pe 99 T one Grou p Sets • Control Knob selects Channels, Modes or Ch annel Guard* • Menu Selections* • Home Mode or Home Channel (dependi ng on Control Knob pr ogramming ) or Disabled* • Scan Enable d or Disa bled* • Scan with Channe l Guard En ab led or Disab led * • Scan Acro ss Modes E nabled or Disabled* • ...

  • GE LBI-38378C - page 12

    P ANC1B Antenna , 136 - 151 MHz, Helica l (19B23 4804P1) P ANC1C Antenna , 146 - 162 MHz, Helica l (19B23 4804P2) P ANC1D Antenna , 15 7 - 17 4 MHz, Helica l (19B23 4804P3) P AHC1C Belt Clip P AHC1D Swivel Mount with Belt Loop P AHC1E Case, Leather , with Belt Loop (Short C ase) P AHC1F Case, Leather , with Belt Loop (T all Case) P AHC1G Case, Leat ...

  • GE LBI-38378C - page 13

    DISASSEMBL Y / REASSEMBL Y In the event internal service is required, disassemble the radio in accordance with the follo wing outlined steps. See Figures 6 - 10. Reassembl e the unit by following the steps in re verse order . O bserve scr ew le n gths and do not over tighten the screws when reassemb ling th e unit. T orque specif ications are liste ...

  • GE LBI-38378C - page 14

    RF Board Access Holes are located in t he RF Board shield for alignment of the Reference Oscillator ( U3 ), Modulation Balance pot ( R18 ), VCO Mod ulation pot ( R19 ), 2nd Local Oscillator Adjustment ( T1 ), an d the Qu adrature D etector Adjustment ( T2 ). T o align th ese items, shie ld remo val is not nece ssar y . If remov al of the RF Board f ...

  • GE LBI-38378C - page 15

    TION: In stallat ion of sc re ws that are longer than the origi- nals may damage the LCD Board, flex cir cuits or the threads. T o remove the Control Board, remov e the T orx scre w ( E ) in the lower left-hand corner that supplies battery po wer to the board. An earli er Front Cover Assembly has an addi- tional scre w located just below connectors ...

  • GE LBI-38378C - page 16

    BLOCK DIA GRAM Figur e 11 - Rea r Cover Assem bly Block Diag ram LBI-38378 16 ...

  • GE LBI-38378C - page 17

    BLOCK DIA GRAM Figure 12 - Fro nt Cover Assembly (Earlier) And Contr ol Board Blo ck Diagram LBI-38 378 17 ...

  • GE LBI-38378C - page 18

    Later Front Cove r Assembly Keypad Flex Removal T o remove the Ke ypad Fl ex, f irst remove the UDC Flex/UD C/M onito r Button/PTT Switch assembly as pre- viou sly stat ed. Next re move the screw securing the emer - genc y switc h supp ort ( G ) then remove the support. Remo ve the knobs using the he x dri ver . W ith a span ner wrenc h, r e- move ...

Manufacturer GE Category Portable Radio

Documents that we receive from a manufacturer of a GE LBI-38378C can be divided into several groups. They are, among others:
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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 GE LBI-38378C.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals GE LBI-38378C, service manual, brief instructions and user manuals GE LBI-38378C. 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 GE LBI-38378C.

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A complete manual for the device GE LBI-38378C, 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 GE LBI-38378C by users. Manuals are usually written by a technical writer, but in a language understandable to all users of GE LBI-38378C.

A complete GE 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 GE LBI-38378C - 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 GE LBI-38378C, 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 GE LBI-38378C, that we can find in the current document
3. Tips how to use the basic functions of the device GE LBI-38378C - which should help us in our first steps of using GE LBI-38378C
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with GE LBI-38378C
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of GE LBI-38378C in a specific country, if it was not possible to solve the problem on our own.

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