Motorola MCS 2000 Service Instructions

List of Figures
Figure 2-1. RF and Power Connector Openings..................................................................................... 2-4
Figure 4-1. Dedicated Test Mode Keys on the Model I Faceplate........................................................... 4-2
Figure 4-2. Dedicated Test Mode Keys on the Model II Faceplate.......................................................... 4-2
Figure 4-3. Dedicated Test Mode Keys on the Nodel III.......................................................................... 4-2
Figure 5-1. Removing the Control Head.................................................................................................. 5-1
Figure 5-2. Removing the Top Cover - Low Power Models..................................................................... 5-2
Figure 5-3. Removing the Top Cover - Mid Power Models...................................................................... 5-3
Figure 5-4. Removing the Cavity Shield.................................................................................................. 5-4
Figure 5-5. Removing the PA Shield (Low and Mid Power Models)........................................................ 5-4
Figure 5-6. Removing the Transceiver Board - Low Power Models (except 800 MHz and 900 MHz) .... 5-5
Figure 5-7. Removing the Transceiver Board - Mid Power Models (except 800 MHz and 900 MHz)..... 5-6
Figure 5-8. Removing the Transceiver Board (800 MHz and 900 MHz only).......................................... 5-7
Figure 5-9. Direction Conventions........................................................................................................... 5-7
Figure 5-10. Removing the Accessory Connector..................................................................................... 5-8
Figure 5-11. Removing the Bottom Cover................................................................................................. 5-8
Figure 5-12. Removing the RF Shield....................................................................................................... 5-9
Figure 5-13. Removing the PA Shield ....................................................................................................... 5-9
Figure 5-14. Removing the PA Board...................................................................................................... 5-10
Figure 5-15. Removing the RF Board ..................................................................................................... 5-10
Figure 5-16. Reassembly ........................................................................................................................ 5-12
Figure 5-17. 40W UHF Torque sequence................................................................................................ 5-14
Figure 5-18. Cover Gasket Location ....................................................................................................... 5-15
Figure 5-19. Wakefield / Thermal Compound Application Area .............................................................. 5-16
Figure 5-20. Inserting Transceiver Board................................................................................................ 5-16
Figure 5-21. Reassembly Screw Down Sequence.................................................................................. 5-17
Figure 5-22. Inserting Audio PA Clip ....................................................................................................... 5-18
Figure 5-23. Installing Cover Gasket....................................................................................................... 5-18
Figure 5-24. Model I Replaceable Pushbuttons...................................................................................... 5-19
Figure 5-25. Model II Replaceable Pushbuttons ..................................................................................... 5-19
Figure 5-26. Model III Replaceable Pushbuttons .................................................................................... 5-19
Figure 5-27. Grasping Pushbutton with Flat End Pliers .......................................................................... 5-21
Figure 5-28. Pulling Pushbutton Away from Control Head...................................................................... 5-21
Figure 6-1. Radio Alignment Test Setup.................................................................................................. 6-1
Figure 6-2. Service Menu Structure for RVN4113...................................................................................6-2
Figure 6-3. Softpot Concept .................................................................................................................... 6-3
Figure 7-1. Clock Distribution Block Diagram........................................................................................ 7-10
Figure 7-2. Transmit Audio Paths.......................................................................................................... 7-18
Figure 7-3. Transmit Signalling Paths ................................................................................................... 7-20
Figure 7-4. Receive Audio Paths........................................................................................................... 7-22
Figure 7-5. Receive Signalling Paths .................................................................................................... 7-25
Figure 10-1. Schematic Diagram Hierarchy ............................................................................................ 10-2
Figure 10-2. Example of Transceiver Board Block Connection Diagram (110 Watt Radio) .................... 10-3
Figure A-1. U0104 - Support Logic SLIC IV, used on Controller Section ................................................A-1
Figure A-2. U0104 - Support Logic SLIC V, used on Controller Section .................................................A-1
Figure A-3. U0200 - Audio Signalling Filter, used on Controller Section .................................................A-2
Figure A-4. U0250 - Hear Clear, used on Controller Section...................................................................A-3
Figure A-5. U6702 - Synthesizer, used on RF Section............................................................................A-3
Figure A-6. U6201 - ZIF, used on RF Section..........................................................................................A-4

Motorola MCS 2000 Specifications

General

Brand	Motorola
Model	MCS 2000
Category	Radio
Language	English