Motorola EP350 - Page 13

List of Figures ix
List of Figures
Figure 2-1. Programming/Test Cable (PMDN4077_R)....................................................................... 2-3
Figure 2-2. Cloning Cable (PMDN4076_R) ........................................................................................ 2-3
Figure 2-3. Wiring of the Connectors.................................................................................................. 2-3
Figure 3-1. DC Power Distribution Block Diagram.............................................................................. 3-1
Figure 4-1. RX Audio Circuit ............................................................................................................... 4-1
Figure 4-2. TX Audio Circuit ............................................................................................................... 4-3
Figure 5-1. UHF2 Receiver Block Diagram ........................................................................................ 5-1
Figure 5-2. UHF2 Transmitter Block Diagram .................................................................................... 5-3
Figure 5-3. UHF2 Frequency Generation Unit Block Diagram ........................................................... 5-4
Figure 5-4. Keypad Block Diagram..................................................................................................... 5-6
Figure 7-1. Four–Layer Circuit Board: Copper Steps in Layer Sequence .......................................... 7-3
Figure 7-2. Speaker and Microphone Schematic ............................................................................... 7-3
Figure 7-3. UHF2 (435–480 MHz) Receiver Schematic Diagram....................................................... 7-4
Figure 7-4. VCO and PLL Schematic Diagram................................................................................... 7-5
Figure 7-5. Transmitter Schematic Diagram....................................................................................... 7-6
Figure 7-6. Microprocessor and Keypad Schematic Diagram ............................................................ 7-7
Figure 7-7. Audio Power Amplifier and External Audio Schematic Diagram ...................................... 7-8
Figure 7-8. Switches and Battery Schematic Diagram ....................................................................... 7-9
Figure 7-9. Transmitter Audio Filter and Sub-tone Schematic Diagram ........................................... 7-10
Figure 7-10. UHF2 (435–480 MHz) Mainboard Top Side: PCB No. 8431BEACON200..................... 7-11
Figure 7-11. UHF2 (435–480 MHz) Mainboard Bottom Side: PCB No. 8431BEACON200 ............... 7-12
Figure 7-12. UHF2 (435–480 MHz) Sub Circuit Board Top View: PCB No. 8421BEACON100......... 7-13
Figure 7-13. UHF2 (435–480 MHz) Sub Circuit Board Bottom View: PCB No. 8421BEACON100.... 7-14
Figure 7-14. UHF2 (435–480 MHz) Keypad Board: PCB No. 8422BEACON100 .............................. 7-15
Figure 8-1. VHF Receiver Block Diagram...........................................................................................8-1
Figure 8-2. VHF Transmitter Block Diagram....................................................................................... 8-3
Figure 8-3. VHF Frequency Generation Unit Block Diagram.............................................................. 8-4
Figure 8-4. Keypad Block Diagram..................................................................................................... 8-6
Figure 10-1. Four–Layer Circuit Board: Copper Steps in Layer Sequence ........................................ 10-3
Figure 10-2. Speaker and Microphone Schematic ............................................................................. 10-3
Figure 10-3. VHF (136–174 MHz) Receiver Schematic Diagram....................................................... 10-1
Figure 10-4. VCO and PLL Schematic Diagram................................................................................. 10-2
Figure 10-5. Transmitter Schematic Diagram..................................................................................... 10-3
Figure 10-6. Microprocessor and Keypad Schematic Diagram .......................................................... 10-4
Figure 10-7. Audio Power Amplifier and External Audio Schematic Diagram .................................... 10-5
Figure 10-8. Switches and Battery Schematic Diagram ..................................................................... 10-6
Figure 10-9. Transmitter Audio Filter and Sub-tone Schematic Diagram ........................................... 10-7
Figure 10-10. Receiver Audio Filter and Sub-tone Schematic Diagram ............................................... 10-8
Figure 10-11. VHF (136–174 MHz) Mainboard Top Side: PCB No. 8431BEACON400....................... 10-9
Figure 10-12. VHF (136–174 MHz) Mainboard Bottom Side: PCB No. 8431BEACON400................ 10-10
Figure 10-13. VHF (136–174 MHz)Sub Circuit Board Top View: PCB No. 8421BEACON100 .......... 10-11
Figure 10-14. VHF (136–174 MHz)Sub Circuit Board Bottom View: PCB No. 8421BEACON100..... 10-12
Figure 10-15. VHF (136–174 MHz) Keypad Board: PCB No. 8422BEACON100 .............................. 10-13
Figure 11-1. UHF1 Receiver Block Diagram ...................................................................................... 11-1
Figure 11-2. UHF1 Transmitter Block Diagram .................................................................................. 11-3
Figure 11-3. UHF1 Frequency Generation Unit Block Diagram ......................................................... 11-4
Figure 11-4. Keypad Block Diagram................................................................................................... 11-6
Figure 13-1. Four–Layer Circuit Board: Copper Steps in Layer Sequence ........................................ 13-3
Figure 13-2. Speaker and Microphone Schematic ............................................................................. 13-3
Figure 13-3. UHF1 (403–447 MHz) Receiver Schematic Diagram..................................................... 13-1