Motorola GP340 ATEX Service Information - Page 3

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Also for Motorola GP340 ATEX: Specification Sheet (5 pages), User Manual (31 pages), Specification Sheet (2 pages), User Manual (30 pages), User Manual (30 pages), Basic User's Manual (10 pages), Service Information (32 pages), Service Information (26 pages), Service Information (24 pages), Service Information (31 pages), Service Information (43 pages), Service Information (30 pages)

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Chapter 1

1.0 GP320/GP340/GP360/GP380 Model Chart.........................................................1-1

2.0 GP140 Model Chart .............................................................................................1-2

3.0 GP640/GP680 Model Chart .................................................................................1-2

4.0 GP1280 Model Chart ...........................................................................................1-3

5.0 GP240/GP280/GP540/GP580 Model Chart.........................................................1-4

6.0 Technical Specifications ......................................................................................1-5

Chapter 2

1.0 Introduction ..........................................................................................................2-1

2.0 VHF Transmitter...................................................................................................2-1

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

3.0 VHF Receiver.......................................................................................................2-3

3.1 Receiver Front-End ........................................................................................2-3

3.2 Receiver Back-End.........................................................................................2-4

3.3 Automatic Gain Control (AGC) .......................................................................2-5

4.0 Frequency Generation Circuit ..............................................................................2-6

4.1 Synthesizer.....................................................................................................2-7

4.2 Voltage Controlled Oscillator (VCO)...............................................................2-8

5.0 Voice Storage (GP1280)....................................................................................2-10

Chapter 3

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

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