Motorola GP328 Detailed Service Manual page 14
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Also See for GP328:
- User manual (30 pages) ,
- Quick reference card (23 pages) ,
- Specifications (4 pages)
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8.0 Circuit Board/Schematic Diagrams and Parts List .......................................... 6D-24
330-400MHz Main Board Top Side PCB No. 8485726Z04 ............................... 6D-24
330-400MHz Main Board Bottom Side PCB No. 8485726Z04 .......................... 6D-25
330-400MHz Controls And Switches Schematic Diagram................................. 6D-26
330-400MHz Receiver Front End Schematic Diagram ...................................... 6D-27
330-400MHz Receiver Back End Schematic Diagram ...................................... 6D-28
330-400MHz Synthesizer Schematic Diagram .................................................. 6D-29
330-400MHz Voltage Controlled Oscillator Schematic Diagram ....................... 6D-30
330-400MHz Transmitter Schematic Diagram................................................... 6D-31
330-400MHz Radio Parts List ............................................................................ 6D-32
9.0 Troubleshooting charts.................................................................................... 6D-37
Troubleshooting Flow Chart for Controller ......................................................... 6D-37
Troubleshooting Flow Chart for Receiver (Sheet 1 of 2).................................... 6D-38
Troubleshooting Flow Chart for Receiver (Sheet 2 of 2).................................... 6D-39
Troubleshooting Flow Chart for Transmitter ...................................................... 6D-40
Troubleshooting Flow Chart for Synthesizer...................................................... 6D-41
Troubleshooting Flow Chart for VCO................................................................. 6D-42
Section 6E
Model Charts and Test Specifications (29-42/35-50Mhz)
1.0 Model Charts..................................................................................................... 6E-1
1.1 29-42MHz .................................................................................................... 6E-1
1.2 35-50MHz .................................................................................................... 6E-2
2.0 Specifications .................................................................................................... 6E-3
3.0 Transmitter ........................................................................................................ 6E-4
3.1 General ........................................................................................................ 6E-4
4.0 Receiver ............................................................................................................ 6E-6
4.1 Receiver Front-End...................................................................................... 6E-6
4.2 Receiver Back-End ...................................................................................... 6E-7
4.3 Automatic Gain Control Circuit .................................................................... 6E-7
5.0 Frequency Generation Circuitry ........................................................................ 6E-8
5.1 Synthesizer .................................................................................................. 6E-9
5.2 VCO - Voltage Controlled Oscillator .......................................................... 6E-10
6.0 Notes For All Schematics and Circuit Boards ................................................. 6E-11
7.0 Circuit Board/Schematic Diagrams and Parts List .......................................... 6E-13
Lowband 29-42/35-50MHz Main Board Top Side PCB No. 8486291A02 ......... 6E-13
Lowband 29-42/35-50MHz Controls And Switches Schematic Diagram ........... 6E-15
Lowband 29-42/35-50MHz Overall Receiver Schematic Diagram..................... 6E-16
Lowband 29-42/35-50MHz Receiver Front End Schematic Diagram ................ 6E-17
Lowband 29-42/35-50MHz Receiver Back End Schematic Diagram................. 6E-18
Lowband 29-42/35-50MHz Synthesizer Schematic Diagram ............................ 6E-19
Lowband 29-42/35-50MHz Transmitter Schematic Diagram ............................. 6E-21
Lowband 29-42/35-50MHz Radio Parts List ...................................................... 6E-22
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Troubleshooting
