Motorola Radius Cm200 Cm300 Pm400 Detailed 6881098c00 A Manual
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CM200/CM300/PM400 Radios UHF2 (438-470 MHz) 25-40 W Service Information Issue: November, 2007 M
ii Computer Software Copyrights The Motorola products described in this manual may include copyrighted Motorola computer programs stored in semiconductor memories or other media. Laws in the United States and other countries preserve for Motorola certain exclusive rights for copyrighted computer programs, including the exclusive right to copy or reproduce in any form, the copyrighted computer program. Accordingly, any copyrighted Motorola computer programs contained in the Motorola products described in this manual may not be copied or reproduced in any manner without the express written permission of Motorola. Furthermore, the purchase of Motorola products shall not be deemed to grant, either directly or by implication, estoppel or otherwise, any license under the copyrights, patents or patent applications of Motorola, except for the normal non-exclusive royalty-free license to use that arises by operation of law in the sale of a product.
iii Table of Contents Chapter 1MODEL CHART AND TECHNICAL SPECIFICATIONS 1.0 CM200/CM300/PM400 Model Chart .................................................................... 1-1 2.0 Technical Specifications ...................................................................................... 1-2 Chapter 2THEORY OF OPERATION 1.0 Introduction .......................................................................................................... 2-1 2.0 UHF (438-470 MHz) Receiver ............................................................................. 2-1 2.1 Receiver Front-End...................................................................................... 2-1 2.2 Receiver Back End ...................................................................................... 2-2 3.0 UHF Transmitter Power Amplifier (438-470 MHz) ............................................... 2-2 3.1 First Power Controller Stage........................................................................ 2-2 3.2 Power Controlled Driver Stage.................................................................... 2-3 3.3 Final Stage................................................................................................... 2-3 3.4 Directional Coupler ...................................................................................... 2-3 3.5 Antenna Switch ............................................................................................ 2-3 3.6 Harmonic Filter ............................................................................................ 2-4 3.7 Power Control .............................................................................................. 2-4 4.0 UHF (438-470 MHz) Frequency Synthesizer ....................................................... 2-4 4.1 Reference Oscillator .................................................................................... 2-4 4.2 Fractional-N Synthesizer ............................................................................. 2-5 4.3 Voltage Controlled Oscillator (VCO) ............................................................ 2-6 4.4 Synthesizer Operation ................................................................................. 2-7 5.0 Controller Theory of Operation............................................................................ 2-8 5.1 Radio Power Distribution ............................................................................. 2-8 5.2 Protection Devices ..................................................................................... 2-10 5.3 Automatic On/Off ....................................................................................... 2-10 5.4 Microprocessor Clock Synthesiser ............................................................ 2-11 5.5 Serial Peripheral Interface (SPI) ................................................................ 2-12 5.6 SBEP Serial Interface ................................................................................ 2-12 5.7 General Purpose Input/Output ................................................................... 2-12 5.8 Normal Microprocessor Operation ............................................................. 2-13 5.9 Static Random Access Memory (SRAM) ................................................... 2-14 6.0 Control Board Audio and Signalling Circuits ...................................................... 2-14 6.1 Audio Signalling Filter IC and Compander (ASFIC CMP) .......................... 2-14 7.0 Transmit Audio Circuits ...................................................................................... 2-15 7.1 Microphone Input Path............................................................................... 2-15 7.2 PTT Sensing and TX Audio Processing .................................................... 2-16 8.0 Transmit Signalling Circuits ............................................................................... 2-17 8.1 Sub-Audio Data (PL/DPL).......................................................................... 2-17 8.2 High Speed Data ....................................................................................... 2-18 8.3 Dual Tone Multiple Frequency (DTMF) Data............................................. 2-18
iv 9.0 Receive Audio Circuits....................................................................................... 2-19 9.1 Squelch Detect .......................................................................................... 2-19 9.2 Audio Processing and Digital Volume Control ........................................... 2-20 9.3 Audio Amplification Speaker (+) Speaker (-) ............................................. 2-20 9.4 Handset Audio ........................................................................................... 2-21 9.5 Filtered Audio and Flat Audio .................................................................... 2-21 10.0 Receive Signalling Circuits ................................................................................ 2-21 10.1 Sub-Audio Data (PL/DPL) and High Speed Data Decoder........................ 2-21 10.2 Alert Tone Circuits ..................................................................................... 2-22 Chapter 3TROUBLESHOOTING CHARTS 1.0 Troubleshooting Flow Chart for Receiver RF (Sheet 1 of 2) ................................ 3-2 1.1 Troubleshooting Flow Chart for Receiver (Sheet 2 of 2) ............................. 3-3 2.0 Troubleshooting Flow Chart for 40 W Transmitter (Sheet 1 of 3) ........................ 3-4 2.1 Troubleshooting Flow Chart for 40 W Transmitter (Sheet 2 of 3) ................ 3-5 2.2 Troubleshooting Flow Chart for 40 W Transmitter (Sheet 3 of 3) ................ 3-6 3.0 Troubleshooting Flow Chart for Synthesizer........................................................ 3-7 4.0 Troubleshooting Flow Chart for VCO................................................................... 3-8 5.0 Troubleshooting Flow Chart for DC Supply (1 of 2) ............................................. 3-9 5.1 Troubleshooting Flow Chart for DC Supply (2 of 2) ................................... 3-10 Chapter 4UHF2 PCB/ SCHEMATICS/ PARTS LISTS 1.0 Allocation of Schematics and Circuit Boards ....................................................... 4-1 1.1 UHF2 and Controller Circuits....................................................................... 4-1 2.0 UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics ....................................... 4-3 UHF 2 Interconnection between Main Board and Power Amplifier Compartment ...................................................................................................... 4-3 UHF2 (438-470 MHz) 25-40 W 8486577Z01, Top Side .................................... 4-4 UHF2 (438-470 MHz) 25-40 W 8486577Z01, Bottom Side ................................ 4-5 UHF2 (438-470 MHz) 25-40 W Main Circuit (Sht 1 of 2) .................................... 4-6 UHF2 (438-470 MHz) 25-40 W Main Circuit (Sht 2 of 2) .................................... 4-7 UHF2 (438-470 MHz) 25-40 W Transmitter (Sht 1 of 2) ..................................... 4-8 UHF2 (438-470 MHz) 25-40 W Transmitter (Sht 2 of 2) ..................................... 4-9 UHF2 (438-470 MHz) 25-40 W Synthesiser and VCO (Sht 1 of 2) .................. 4-10 UHF2 (438-470 MHz) 25-40 W Synthesiser and VCO (Sht 2 of 2) .................. 4-11 UHF2 (438-470 MHz) 25-40 W Receiver Front and Back End (Sht 1 of 2) ...... 4-12 UHF2 (438-470 MHz) 25-40 W Receiver Front and Back End (Sht 2 of 2) ...... 4-13 UHF2 (438-470 MHz) 25-40 W DC and Audio Circuits (Sht 1 of 2) .................. 4-14 UHF2 (438-470 MHz) 25-40 W DC and Audio Circuits (Sht 2 of 2) .................. 4-15 UHF2 (438-470 MHz) 25-40 W Microprocessor and Controller Circuits (Sht 1 of 2) ........................................................................................... 4-16 UHF2 (438-470 MHz) 25-40 W Microprocessor and Controller Circuits (Sht 2 of 2) ........................................................................................... 4-17 UHF2 (438-470 MHz) 25-40 W Power Control Circuit ...................................... 4-18 2.1 UHF2 PCB 8486577Z01 Parts List 25-40 W ............................................. 4-19
v 3.0 UHF 25-40 W Band 4 PCB 8486577Z03 / Schematics ..................................... 4-31 UHF2 Interconnection between Main Board and Power Amplifier Compartment ..................................................................................... 4-31 UHF 2 (438-470 MHz) 25-40 W 8486577Z03, Top Side ................................ 4-32 UHF2 (438-470 MHz) 25-40 W 8486577Z03, Bottom Side .............................. 4-33 UHF2 (438-470 MHz) 25-40 W Main Circuit (Sht 1 of 2) .................................. 4-34 UHF2 (438-470 MHz) 25-40 W Main Circuit (Sht 2 of 2) .................................. 4-35 UHF2 (438-470 MHz) 25-40 W Transmitter (Sht 1 of 2) ................................... 4-36 UHF2 (438-470 MHz) 25-40 W Transmitter (Sht 2 of 2) ................................... 4-37 UHF2 (438-470 MHz) 25-40 W Synthesiser and VCO (Sht 1 of 2) ................... 4-38 UHF2 (438-470 MHz) 25-40 W Synthesiser and VCO (Sht 2 of 2) ................... 4-39 UHF2 (438-470 MHz) 25-40 W Receiver Front and Back End (Sht 1 of 2) ...... 4-40 UHF2 (438-470 MHz) 25-40 W Receiver Front and Back End (Sht 2 of 2) ...... 4-41 UHF2 (438-470 MHz) 25-40 W DC and Audio Circuits (Sht 1 of 2) .................. 4-42 UHF2 (438-470 MHz) 25-40 W DC and Audio Circuits (Sht 2 of 2) .................. 4-43 UHF2 (438-470 MHz) 25-40 W Microprocessor and Controller Z Circuits (Sht 1 of 2) ........................................................................................... 4-44 UHF2 (438-470 MHz) 25-40 W Microprocessor and Controller Circuits (Sht 2 of 2) ........................................................................................... 4-45 UHF2 (438-470 MHz) 25-40 W Power Control Circuit ...................................... 4-46 3.1 UHF2 PCB 8486577Z03 Parts List 25-40 W ............................................. 4-47
Chapter 1 MODEL CHART AND TECHNICAL SPECIFICATIONS 1.0 CM200/CM300/PM400 Model Chart UHF2, 25-40 W, 438-470 MHz Model Description AAM50RPC9AA1ACM200 438-470 MHz, 25-40 W, 4 CH AAM50RPF9AA1AN CM300 438-470 MHz, 25-40 W, 32 CH AAM50RPF9AA3ANPM400 438-470 MHz, 25-40 W, 64 CH Item Description X PMUE2007_ CM200 Super Tanapa UHF2, 25-40 W, 4 CH XPMUE2010_CM300 Super Tanapa UHF2, 25-40 W, 32 CH X PMUE2091_ PM400 Super Tanapa UHF2, 25-40 W, 64 CH XPMUE2032_CM200 Tanapa UHF2, 25-40 W, 4 CH X PMUE2034_ CM300 Tanapa UHF2, 25-40 W, 32 CH XPMUE2034_PM400 Tanapa UHF2, 25-40 W, 64 CH X PMLN4598_ Control Head XPMLN4599_Control Head X FLN3108_AN Control Head XPMUE2032_SCM200 UHF2 Service Board X PMUE2034_S CM300 UHF2 Service Board XPMUE2034_SPM400 UHF2 Service Board X 6902966C30 CM200 User Guide (bilingual) X6881096C22CM300 User Guide (bilingual) X 6881096C32 PM400 User Guide (bilingual) XXHKLN4220CM200/CM300 User Guide CDROM (bilingual) X HKLN4219 PM400 User Guide CDROM (blilingual) x = Indicates one of each is required.
1-2 MODEL CHART AND TECHNICAL SPECIFICATIONS 2.0 Technical Specifications Data is specified for +25°C unless otherwise stated. General Specification UHF2 Frequency Range:438-470 MHz Frequency Stability (-30°C to +60°C, 25°C Ref.)±2.5 PPM Channel Capacity:CM200 - 4 CM300 - 32 PM400 - 64 Channel Spacing: 12.5/25 kHz Power Supply:13.6 Vdc (10.88 Vdc - 16.32 Vdc) negative Vehicle ground Dimensions (L x W x H)4.65” X 6.67” X 1.73” (118mm X 169.5mm X 44mm) Weight2.25 lbs (1.01 kg) FCC Description ABZ99FT4048 Operating Temperature-30 to 60° C (Display only -20°C to 60°C) Storage Temperature -40 to 85° C Thermal Shock-40 to 80° C High Humidity 95% RH @ 50° C for 8 hrs ESD15KV air discharge Packing Test Impact Test
Technical Specifications1-3 Transmitter Specification UHF2 Power Output25-40W Conducted/Radiated Emissions:-26 dBm Audio Response: (from 6 dB/ oct. Pre-Emphasis, 300 to 3000Hz) TIA603 and CEPT Tx Audio Distortion < 3% Modulation Limiting:±2.5 kHz @ 12.5 kHz ±4.0 kHz @ 20 kHz ±5.0 kHz @ 25 kHz FM Hum and Noise: -35 [email protected] kHz -40 dB@25 kHz Receiver Specification UHF2 Sensitivity (12 dB SINAD):0.35 μV @ 12.5 kHz 0.3 μV @ 25 kHz Intermodulation: 60 [email protected] kHz 70 dB@25 kHz Adjacent Channel Selectivity:60 dB @ 12.5 kHz 70 dB @ 25 kHz Spurious Response 70 dB Rated Audio Power4 W (typ.) Internal 7.5 W @ 5 % External Audio Distortion < 5 % Hum and Noise:-35 dB @ 12.5 kHz -40 dB @ 25 kHz Audio Response TIA603 and CEPT Conducted Spurious Emission per FCC Part 15:-57 dBm 1 Ghz Specifications subject to change without notice. All electrical specifications and methods refer to EIA/TIA 603 standards.
1-4 MODEL CHART AND TECHNICAL SPECIFICATIONS Notes