Motorola GP88s - Page 14

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UHF Transmitter Schematic Diagram ................................................................ 9A-20
UHF Harmonic Filter Schematic Diagram.......................................................... 9A-21
UHF Radio Parts List ......................................................................................... 9A-22
8.0 Circuit Board/Schematic Diagrams and Parts List .......................................... 9A-25
UHF (403-470MHz) Main Board Top Side PCB No. 8480672Z04..................... 9A-25
UHF (403-470MHz) Main Board Bottom Side PCB No. 8480672Z04 ............... 9A-26
UHF Controls And Switches Schematic Diagram.............................................. 9A-27
UHF Receiver Front End Schematic Diagram ................................................... 9A-28
UHF Receiver Back End Schematic Diagram.................................................... 9A-29
UHF Synthesizer Schematic Diagram ............................................................... 9A-30
UHF Voltage Controlled Oscillator Schematic Diagram..................................... 9A-31
UHF Transmitter Schematic Diagram ................................................................ 9A-32
UHF Harmonic Filter Schematic Diagram.......................................................... 9A-33
UHF Radio Parts List ......................................................................................... 9A-34
9.0 Circuit Board/Schematic Diagrams and Parts List .......................................... 9A-38
UHF (403-470MHz) Main Board Top Side PCB No. 8480672Z06..................... 9A-38
UHF (403-470MHz) Main Board Bottom Side PCB No. 8480672Z06 ............... 9A-39
UHF Controls And Switches Schematic Diagram.............................................. 9A-40
UHF Receiver Front End Schematic Diagram ................................................... 9A-41
UHF Receiver Back End Schematic Diagram.................................................... 9A-42
UHF Synthesizer Schematic Diagram ............................................................... 9A-43
UHF Voltage Controlled Oscillator Schematic Diagram..................................... 9A-44
UHF Transmitter Schematic Diagram ................................................................ 9A-45
UHF Harmonic Filter Schematic Diagram.......................................................... 9A-46
UHF Radio Parts List ......................................................................................... 9A-47
10.0 Troubleshooting charts.................................................................................... 9A-51
Troubleshooting Flow Chart for Controller......................................................... 9A-51
Troubleshooting Flow Chart for Receiver (Sheet 1 of 2).................................... 9A-52
Troubleshooting Flow Chart for Receiver (Sheet 2 of 2).................................... 9A-53
Troubleshooting Flow Chart for Transmitter ...................................................... 9A-54
Troubleshooting Flow Chart for Synthesizer...................................................... 9A-55
Troubleshooting Flow Chart for VCO................................................................. 9A-56
Section 9B Model Chart and Test Specifications (136-174 MHz)
1.0 Model Chart....................................................................................................... 9B-1
2.0 Specifications .................................................................................................... 9B-2
3.0 Transmitter ........................................................................................................ 9B-3
3.1 General ........................................................................................................ 9B-3
4.0 Receiver ............................................................................................................ 9B-5
4.1 Receiver Front-End...................................................................................... 9B-5
4.2 Receiver Back-End ...................................................................................... 9B-6
4.3 Automatic Gain Control Circuit .................................................................... 9B-7
5.0 Frequency Generation Circuitry ........................................................................ 9B-8
5.1 Synthesizer .................................................................................................. 9B-9