Motorola GM140 Manual, Service Information

Manual, Service Information for Motorola GM140 Radio, Two-Way Radio (32 pages)

Specifications:

926/926410-gm140.pdf file (07 Sep 2023)
  • Manufacturer: Motorola
  • Category of Device: Radio, Two-Way Radio
  • Document: GM140, File Type: PDF Service Information
  • Updated: 07-09-2023
  • Count of Pages: 32
Download GM140 Manual (32 pages)

Read PDF Document Online:

Data: UPD 7th September 2023

Motorola GM140 Radio, Two-Way Radio PDF Service Information (Updated: Thursday 7th of September 2023 04:20:43 AM)

Rating: 4.4 (rated by 30 users)

Compatible devices: APX 2000 MODEL 2, GP308, TETRA MTP850 EX, TN20 - MOTONAV - Automotive GPS Receiver, MCX600E, MT350CLR, APX900 2, EMS APX 7500.

Recommended Documentation:

Text Version of Motorola GM140 Radio, Two-Way Radio Manual (Summary of Contents)

(Ocr-Read of Motorola GM140 Document (Main Content), UPD: 07 September 2023)
  • 30, 3-12 TROUBLESHOOTING CHARTS 3.6 Display Backlight U0871 Pin 24 is toggling ? Base of Q0963 > 0.7V ? Collector of Q0963 >5V & < 11V ? Check / Replace Q0961 / R0975 / R0977 YES YES YES NO NO NO Check / Replace Q0963 / U0941 / R0961 R0963 / R0969 / R0971 Check for shortage …

  • 11, Controlhead Model for GM160, GM360 and GM660 2-5 3.3 Microprocessor Circuit The controlhead uses the Motorola 68HC11E9 microprocessor (µP) (U0831) to control the LED’s and the LCD and to communicate with the host radio. RAM and ROM are contained within the microprocessor itself. The micr…

  • 17, Motorola GM140 Controlhead Model for GM380, and GM1280 2-11 output of the op-amp to rise and to reduce the base to emitter voltage of Q0943. This decreases the current of Q0941 until the loop has settled. The back light for the LCD module uses a similar circuitry. The only differences are that µP por…

  • 18, 2-12 THEORY OF OPERATION informs the µP about the pressed PTT button. The µP will inform the host radio about any status change on the PTT IRDEC line via SBEP bus. When line PTT IRDEC is connected to FLT A+ level, transistor Q0851 is switched on through diode VR0851 and thereby pulls the level o…

  • 22, 3-4 TROUBLESHOOTING CHARTS 2.2 Microprocessor Power Up Alert Tone is OK but volume knob does not operate and no indicator is on NO YES YES NO YES NO YES NO YES EXTAL U0831 Pin 31 = 8.00 MHz ? RESET TP0833 = HIGH ? Check / Replace C0833 / R0832 / Check radio controller Data Signa…

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Recommended:
DK10i, GURU CLOCK, BLP60, AVR-1908

ML801, XP-100D, G01, AZ1040/17, MASTR II
  • CaracterísticasVista frontalVista posteriorVista lateralFelicitaciones por comprar un producto de alta calidad de Insignia. Su NS-HDRAD representa lo último de la tecnología de HD Radio y está concebido para brindar un rendimiento seguro y sin problemas.Contenido del paquete• HD ...

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  • CD Radio Cassette RecorderAZ 1040AZ 1040CD RADIO CASSETTE RECORDERPROGBANDBATTLOWMODESTOPPLAY•PAUSESEARCHDIGITAL TUNER CD SYNCHRO START RECORDINGPRESETPROGAZ 1040CD RADIO CASSETTE RECORDERBANDBATTLOWMODEPRESETSTOPPLAY•PAUSESEARCHDIGITAL TUNERCD SYNCHRO START RECORDINGRECORDPLAYSEARCHSTOP-OPENPA ...

    Model & Doc Type: AZ1040/17 12

  • 222 HARTREY AVL, EVANSTON. I L. 60204 U.S A. DATA MODEL 526T a AREA CODEJI~/~~~-~OOO . CABLE. SHUREMICRO SHEET MICROPHONE BASE STATION CITIZENS BAND POWER MICROPHONE GENERAL The Shure Model 526T SUPER PUNCH base station power microphone is designed specifically for Citizens Band transce ...

    Model & Doc Type: 526T Series II Super Punch 4

  • 1. Power / Stand-by Button2. Stand-by / Mute Indicator3. FM Stereo Indicator4. Stereo Headphone Jack5. Bass Boost (BBS) Button6. Cassette Door7. Volume Up / Down Button8. Tuning Knob9. Dial Pointer and Dial Scale10. Function Selector - CD, Tape, Tuner11. Radio Wave Band Selector1 ...

    Model & Doc Type: JX-CD1000 10

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