Motorola GP320 Manual, Service Information

Manual, Service Information for Motorola GP320 Portable Radio, Radio (32 pages)

Specifications:

1128/1128540-gp320.pdf file (05 Apr 2024)
  • Manufacturer: Motorola
  • Category of Device: Portable Radio, Radio
  • Document: GP320, File Type: PDF Service Information
  • Updated: 05-04-2024
  • Count of Pages: 32
Download GP320 Manual (32 pages)

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Data: UPD 5th April 2024

Motorola GP320 Portable Radio, Radio PDF Service Information (Updated: Friday 5th of April 2024 12:30:32 AM)

Rating: 4.6 (rated by 43 users)

Compatible devices: T5403 Series, GP360, PM1500, Pro3100, Astro XTSTM 5000, T5200 - AA Radios, MOTOTRBO DP4400, ASTRO XTS 2500 III.

Recommended Documentation:

Text Version of Motorola GP320 Portable Radio, Radio Manual (Summary of Contents)

(Ocr-Read of Motorola GP320 Document (Main Content), UPD: 05 April 2024)
  • 31, Allocation of Schematics and Circuit Boards 4-3 Table 4-4 UHF Diagrams and Parts Lists PCB : 8480450Z13/14 Main Board Top Side Main Board Bottom Side Page 4-31 Page 4-32 SCHEMATICS Controls and Switches Receiver Front End Receiver Back End Synthesizer Voltage Controlled Oscillator Tra ns mi t …

  • 10, 1-6 MODEL CHART AND TECHNICAL SPECIFICATIONS *Availability subject to the laws and regulations of individual countries. Transmitter UHF *Frequencies - Full Bandsplit UHF 403-470 MHz Channel Spacing 12.5/20/25 kHz Frequency Stability (-25°C to +55°C, +25° Ref.) ±1.5 ppm Power 403 - 4…

  • 4, iv Chapter 4 UHF PCB/SCHEMATICS/PARTS LISTS 1.0 Allocation of Schematics and Circuit Boards .......................................................4-1 1.1 Controller Circuits...........................................................................................4-1 1.2 Voice Storage Facility...…

  • 27, Motorola GP320 Troubleshooting Flow Chart for VCO 3-5 5.0 Troubleshooting Flow Chart for VCO Tx Carrier? L253 Open Circuit? VCTRL 0V or 13V? START No LO? VCO OK Check R260 TRB = 5V? @U241 Pin 19 U241 Pin 10 >1V? Change L253 Change U241 AUX 3 High? Check U201 Pin 2 for 3.2V U241 Pin 19 =0…

  • 11, Chapter 2 THEORY OF OPERATION 1.0 Introduction This Chapter provides a detailed theory of operation for the UHF circuits in the radio. For details of the theory of operation and trouble shooting for the the associated Controller circuits refer to the Controller Section of this manual. 2.0 U…

  • 16, 2-6 THEORY OF OPERATION 4.0 Frequency Generation Circuit (Refer to Figure 2-3 and the UHF Frequency Synthesizer schematic diagram) The frequency generation circuit, shown in Figure 2-3, is composed of Fractional-N synthesizer U201 and VCO/Buffer IC U241. Designed in conjunction t…

DOC-a7843f2:

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