vi Table of Contents
December 3, 2003 HKLN4215A
List of Figures
Figure 2-1. Major Assemblies Block Diagram............................................ ... ......................................2-1
Figure 2-2. Transceiver Block Diagram ............................................................... ...............................2-2
Figure 3-1. Programming/Test Cable......................................................................... .... .....................3-4
Figure 3-2. Wiring of the Connectors...... ............................................................................................ 3-4
Figure 4-1. Radio Tuning Setup.............................................. ............................................................ 4-1
Figure 4-2. Side Button Locations........................................................................ ...............................4-2
Figure 5-1. CPS Programming Setup ................................................................................................. 5-1
Figure 5-2. Radio Tuning Setup.............................................. ............................................................ 5-2
Figure 5-3. Reference Oscillator Warp Window.................................................................................. 5-3
Figure 5-4. Modulation Balance Window ............................................................................................5-4
Figure 5-5. Transmit Power Window (High Power).................................................... .........................5-5
Figure 5-6. VCO Attenuation Window (12.5 kHz) ............................................................................... 5-7
Figure 5-7. DTMF Deviation Tuning Window.................................................... ... ... ... .........................5-9
Figure 5-8. MDC-1200 Deviation Tuning Window ............................................... .............................5-10
Figure 5-9. Rated Volume Tuning Window............. ... ... ... .... ............................................................. 5-11
Figure 5-10. Squelch Tuning Window................................................. ... ... ... ... .... ... .............................5-12
Figure 5-11. RSSI Tuning.. ... ... ........................................................................................................... 5-13
Figure 5-12. Side Button Locations..................................................................... ................................5-15
Figure 6-1. Battery Removal...................... ... ... ... .... ... ... ... ................................................................... 6-3
Figure 6-2. Antenna and Knob Removal........................................................................... ... ...............6-4
Figure 6-3. Chassis Removal..................................................................................... .........................6-4
Figure 6-4. Keyboard Flex Connection ............................................................................................... 6-5
Figure 6-5. Microphone and Speaker Connections ....................................................... ... ... ... ... .... .....6-5
Figure 6-6. Dust Cover Disassembly .................................................................................................. 6-6
Figure 6-7. Removal Speaker-Microphone Assembly ......................................................... ... ... .... ... .. 6-6
Figure 6-8. Keypad Removal .............................................................................................................. 6-7
Figure 6-9. PTT Removal............................................................................................... ... ... ... . .. .........6-8
Figure 6-10. Removal of Main Board from Chassis........ ... .... ... ... ... ...................................................... 6-8
Figure 6-11. Dust Cap Re-assembly......................................................................... ... .... ... ... ... ............6-9
Figure 6-12. Microphone Re-assembly........................................ ....................................................... 6-10
Figure 6-13. Speaker Re-assembly .................................................................................................... 6-10
Figure 6-14. Keypad Re-assembly ........................................................................ ... ..........................6-11
Figure 6-15. LCD/Keypad Board Re-assembly................................................................... ... .............6-11
Figure 6-16. Keyboard Retainer Re-assembly....................................................... .............................6-12
Figure 6-17. Main Board onto Chassis Re-assembly ............................................ .............................6-13
Figure 6-18. Microphone and Speaker Wires Re-assembly ............................................................... 6-14
Figure 6-19. Keyboard Flex Cable Connection............................ ....................................................... 6-14
Figure 6-20. Fastening the Chassis............. ... ... ... .... ... ... .................................................................... 6-15
Figure 6-21. PTT Re-assembly........................................................... ... ... ... ... ....................................6-15
Figure 6-22. EP450 Full Keypad Radio Exploded View............................................................ ..........6-16
Figure 7-1. Battery Removal...................... ... ... ... .... ... ... ... ................................................................... 7-3
Figure 7-2. Antenna and Knob Removal........................................................................... ... ...............7-4
Figure 7-3. Chassis Removal..................................................................................... .........................7-4
Figure 7-4. Microphone and Speaker Connections ....................................................... ... ... ... ... .... .....7-5
Figure 7-5. Dust Cover Disassembly .................................................................................................. 7-5
Figure 7-6. Removal Speaker-Microphone Assembly ......................................................... ... ... .... ... .. 7-6
Figure 7-7. PTT Removal............................................................................................... ... ... ... . .. .........7-7
Figure 7-8. Removal of Main Board from Chassis........... .... ............................................................... 7-7
Figure 7-9. Dust Cap Re-assembly................................................................................ .....................7-8
Figure 7-10. Microphone Re-assembly........................................ ......................................................... 7-8