Motorola GP328 Detailed Service Manual page 12
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Also See for GP328:
- User manual (30 pages) ,
- Quick reference card (23 pages) ,
- Specifications (4 pages)
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VHF Receiver Front End Schematic Diagram ................................................... 6B-20
VHF Receiver Back End Schematic Diagram.................................................... 6B-21
VHF Synthesizer Schematic Diagram................................................................ 6B-22
VHF Voltage Controlled Oscillator Schematic Diagram..................................... 6B-23
VHF Transmitter Schematic Diagram ................................................................ 6B-24
VHF Radio Parts List ......................................................................................... 6B-25
8.0 Circuit Board/Schematic Diagrams and Parts List .......................................... 6B-29
VHF (136-174MHz) Main Board Top Side PCB No. 8486062B16..................... 6B-29
VHF (136-174MHz) Main Board Bottom Side PCB No. 8486062B16 ............... 6B-30
VHF Controls And Switches Schematic Diagram .............................................. 6B-31
VHF Receiver Front End Schematic Diagram ................................................... 6B-32
VHF Receiver Back End Schematic Diagram.................................................... 6B-33
VHF Synthesizer Schematic Diagram................................................................ 6B-34
VHF Voltage Controlled Oscillator Schematic Diagram..................................... 6B-35
VHF Transmitter Schematic Diagram ................................................................ 6B-36
VHF Radio Parts List ......................................................................................... 6B-37
9.0 Troubleshooting charts.................................................................................... 6B-41
Troubleshooting Flow Chart for Controller ......................................................... 6B-41
Troubleshooting Flow Chart for Receiver (Sheet 1 of 2).................................... 6B-42
Troubleshooting Flow Chart for Receiver (Sheet 2 of 2).................................... 6B-43
Troubleshooting Flow Chart for Transmitter ...................................................... 6B-44
Troubleshooting Flow Chart for Synthesizer...................................................... 6B-45
Troubleshooting Flow Chart for VCO................................................................. 6B-46
1.0 Model Chart....................................................................................................... 6C-1
2.0 Specifications .................................................................................................... 6C-2
3.0 Transmitter ........................................................................................................ 6C-3
3.1 General ........................................................................................................ 6C-3
4.0 Receiver ............................................................................................................ 6C-5
4.1 Receiver Front-End...................................................................................... 6C-5
4.2 Receiver Back-End ...................................................................................... 6C-6
4.3 Automatic Gain Control Circuit .................................................................... 6C-7
5.0 Frequency Generation Circuitry ........................................................................ 6C-8
5.1 Synthesizer .................................................................................................. 6C-9
5.2 VCO - Voltage Controlled Oscillator .......................................................... 6C-10
6.0 Notes For All Schematics and Circuit Boards ................................................. 6C-12
7.0 Circuit Board/Schematic Diagrams and Parts List .......................................... 6C-13
UHF Band 2 Controls And Switches Schematic Diagram.................................. 6C-15
UHF Band 2 Receiver Front End Schematic Diagram....................................... 6C-16
UHF Band 2 Receiver Back End Schematic Diagram ....................................... 6C-17
UHF Band 2 Synthesizer Schematic Diagram ................................................... 6C-18
UHF Band 2 Voltage Controlled Oscillator Schematic Diagram ........................ 6C-19
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Troubleshooting
