Motorola GP Series Service Information
Professional radio
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Also See for GP Series:
- Detailed service manual (494 pages) ,
- Service manual (300 pages) ,
- Service information (108 pages)
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Summary of Contents for Motorola GP Series
- Page 1 MOTOROLA Professional Radio GP Series 300R1 (300 - 350M Hz) Service Information...
- Page 2 Computer Software Copyrights...
- Page 3 Table of Contents Chapter 1 MODEL CHART AND TECHNICAL SPECIFICATIONS Chapter 2 THEORY OF OPERATION Chapter 3 TROUBLESHOOTING CHARTS Chapter 4 PCB/SCHEMATICS/PARTS LISTS...
- Page 4 Chapter 1 MODEL CHART AND TECHNICAL SPECIFICATIONS GP340 Model Chart Professional GP300 Series (300-350MHz) Description Model Item Description GP640 / GP680 Model Chart Professional GP600 Series (300-350MHz) Model Description Item Description...
- Page 5 Technical Spécifications General Spécifications GP340 GP640 GP680 GP340/GP640 GP680...
- Page 6 Transmitter 300R1 Receiver 300R1...
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Page 7: Theory Of Operation
Chapter 2 THEORY OF OPERATION Introduction Transmitter Figure 2-1 Power Amplifier... - Page 8 Antenna Switch Harmonic Filter Antenna Matching Network Power Control Integrated Circuit (PCIC)
- Page 9 Receiver Figure 2-2 Receiver Front-End...
- Page 10 Receiver Back-End...
- Page 11 Automatic Gain Control Circuit...
- Page 12 Frequency Generation Circuitry Figure 2-3 Synthesizer...
- Page 13 Figure 2-4...
- Page 14 Voltage Controlled Oscillator (VCO) Figure 2-5...
- Page 15 Table 2-1 Desired AUX 4 AUX 3 Mode...
- Page 16 Chapter 3 TROUBLESHOOTING CHARTS Troubleshooting Flow Chart for Receiver (Sheet 1 of 2)
- Page 17 Troubleshooting Flow Chart for Receiver (Sheet 2 of 2)
- Page 18 Troubleshooting Flow Chart for Transmitter...
- Page 19 Troubleshooting Flow Chart for Synthesizer...
- Page 20 Troubleshooting Flow Chart for VCO...
- Page 21 Chapter 4 PCB/SCHEMATICS/PARTS LISTS Allocation of Schematics and Circuit Boards Controller Circuits Table 4-1 PCB : 8485726Z01 SCHEMATICS Parts List Table 4-2 PCB : 8485726Z04 SCHEMATICS Parts List...
- Page 22 PCB 8485726Z01 - Schematics г □ ю Ш йГкгМЧ-, L325 с & É^P ï Ш О М (М О п ц ш U Ö □ ПЗ ( г о ▲ О о □ С с м ш ш о Ш Ш...
- Page 23 f i l Ü ,__ , о ы 300R1 (300-350MHz) Main Board Solder Side...
- Page 24 300R1 (300-350MHz) Controls and Switches...
- Page 25 -59.5dBm @ 45.1M H z ■ А А Л г -52.5dBm @ 300.01M H z -53.5dBm @ 349.99M H z x 2 ' -51.5dB m @ 300.01M H z -52.0dB m @ 349.99M H z A M ------------- -49.5dBm @ 300.01M H z -47.0dB m @ 349.99M H z Âi -23.5dBm @ 254.91M H z...
- Page 26 CO U- ^ C H d a t a -47dB m @ 45.1M H z -51.2dB m @ 45.1M H z 0 .706V 300R1 (300-350MHz) Receiver Back End...
- Page 27 < O L o w (m V ) ■ n - O CD CO ю CO CM CO Cl Cl Cl Cl O CL w- г . , , H ig h (3.3V) c lk modin 3.4V@ 300M Hz 9.2V@ 350M Hz "Z.
- Page 28 300R1 (300-350MHz) Voltage Controlled Oscillator...
- Page 29 > У_ 7 .1 9 V Tx 300R1 (300-350MHz) Transmitter...
- Page 30 PCB 8485726Z01 - Parts List Circuit Motorola Circuit Motorola Circuit Motorola Description Description Description Part No. Part No. Part No. Circuit Motorola Description Part No.
- Page 31 Circuit Circuit Circuit Circuit Motorola Motorola Motorola Motorola Description Description Description Description Part No. Part No. Part No. Part No.
- Page 32 Circuit Motorola Circuit Motorola Circuit Motorola Description Description Description Part No. Part No. Part No.
- Page 33 PCB 8485726Z04 - Schematics Ö R 3 3 8 Е Й 1 1 9 lU U U lM J U l Ш В о Ю CO CO “ • > O 300R1 (300-350MHz) Main Board Component Side...
- Page 34 1 0 1 300R1 (300-350MHz) Main Board Solder Side...
- Page 35 300R1 (300-350MHz) Controls and Switches...
- Page 36 300R1 (300-350MHz) Receiver Front End...
- Page 37 - A A A r CO Ç O — Il— □ c l k О со t r i— Щ > 1 û û Ш CO C O O CO CL ^ Ш Ш ce CO C O LL LU CL O _______ CC CC CL CC CC (M СО...
- Page 38 300R1 (300-350MHz) Synthesizer...
- Page 39 300R1 (300-350MHz) Voltage Controlled Oscillator...
- Page 40 300R1 (300-350MHz) Transmitter...
- Page 41 PCB 8485726Z04 - Parts List Circuit Circuit Circuit Motorola Motorola Motorola Description Description Description Part No. Part No. Part No. Circuit Motorola Description Part No. O ÏÏ^ ^ ^ ^ ^ ^ ^ ^ ™ c o n n e c t...
- Page 42 Circuit Motorola Circuit Motorola Circuit Motorola Circuit Motorola Description Description Description Description Part No. Part No. Part No. Part No.
- Page 43 Circuit Circuit Circuit Motorola Motorola Motorola Description Description Description Part No. Part No. Part No.