iii
Table of Contents
Chapter 1
MODEL CHART AND TECHNICAL SPECIFICATIONS
2.0 GP640 / GP680 Model Chart................................................................................1-1
3.0 Technical Specifications.......................................................................................1-2
Chapter 2
THEORY OF OPERATION
2.1 Power Amplifier...............................................................................................2-1
2.2 Antenna Switch................................................................................................2-2
2.3 Harmonic Filter................................................................................................2-2
2.4 Antenna Matching Network.............................................................................2-2
2.5 Power Control Integrated Circuit (PCIC)........................................................ 2-2
3.1 Receiver Front-End.........................................................................................2-3
3.2 Receiver Back-End..........................................................................................2-4
3.3 Automatic Gain Control Circuit....................................................................... 2-5
4.1 Synthesizer......................................................................................................2-6
4.2 Voltage Controlled Oscillator (VCO)................................................................ 2-8
Chapter 3
TROUBLESHOOTING CHARTS
1.0 Troubleshooting Flow Chart for Receiver (Sheet 1 of 2)...................................... 3-1
2.0 Troubleshooting Flow Chart for Receiver (Sheet 2 of
)...................................... 3-2
3.0 Troubleshooting Flow Chart for Transmitter........................................................ 3-3
4.0 Troubleshooting Flow Chart for Synthesizer........................................................ 3-4
5.0 Troubleshooting Flow Chart for VCO................................................................... 3-5
Chapter 4
PCB/SCHEMATICS/PARTS LISTS
Allocation of Schematics and Circuit Boards......................................................4-1
2.0 PCB 8485726Z01 - Schematics........................................................................... 4-3
3.0 PCB 8485726Z01 - Parts List............................................................................ 4-11
4.0 PCB 8485726Z04 - Schematics......................................................................... 4-14
5.0 PCB 8485726Z04 - Parts List............................................................................ 4-22
Содержание GP340 ATEX
Страница 1: ...MOTOROLA Professional Radio GP Series 300R1 300 350MHz Service Information Issue June 2002 ...
Страница 16: ...Chapter 3 TROUBLESHOOTING CHARTS 1 0 Troubleshooting Flow Chart for Receiver Sheet 1 of 2 Check FGU ...
Страница 18: ...Troubleshooting Flow Chart for Transmitter 3 3 3 0 Troubleshooting Flow Chart for Transmitter ...
Страница 19: ...3 4 TROUBLESHOOTING CHARTS 4 0 Troubleshooting Flow Chart for Synthesizer ...
Страница 28: ...PCB 8485726Z01 Schematics 4 9 R X _ IN J ZMY0130403 O V S F 300R1 300 350MHz Voltage Controlled Oscillator ...
Страница 36: ...PCB 8485726Z04 Schematics 4 17 DACRx 300R1 300 350MHz Receiver Front End ...
Страница 38: ...PCB 8485726Z04 Schematics 4 19 300R1 300 350MHz Synthesizer ...
Страница 39: ...4 20 PCB 8485726Z04 Schematics VSF IVCTRL 300R1 300 350MHz Voltage Controlled Oscillator ...
Страница 40: ...PCB 8485726Z04 Schematics 4 21 TX_OUT E101 BEAD R102 ZMY0130811 O 300R1 300 350MHz Transmitter ...