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Issue: December 1999

MCX600E

Mobile Radio

Service Manual

www.myradio168.net

Содержание MCX600E

Страница 1: ...Issue December 1999 MCX600E Mobile Radio Service Manual w w w m y r a d i o 1 6 8 n e t ...

Страница 2: ...puter 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 prod ucts shall not be deemed to grant either directly or by implication estoppel or otherwise any license under the copyrights patents o...

Страница 3: ...Standardization CENELEC To assure optimal radio performance and to ensure that your exposure to radio frequency electromagnetic energy is within the guidelines in the above standards always adhere to the following procedures MOBILE RADIO OPERATION AND EME EXPOSURE Transmit only when people inside and outside the vehicle are at least the minimum distance away from a properly installed externally mo...

Страница 4: ... designed or alternately configured for electromagnetic compatibility WARNING Turn off your Two Way radio when you are in any area with a potentially explosive atmosphere unless it is a radio type especially qualified for use in such areas e g FM or Cenelec approved Sparks in a potentially explosive atmosphere can cause an explosion or fire resulting in bodily injury or even death WARNING To avoid...

Страница 5: ...ESDs ANY DEVICES EMPLOYING METAL OXIDE SILICON MOS TECHNOLOGY ARE PARTICULARLY SUSCEPTIBLE CIRCUIT DIAGRAMS MARKED WITH THE ABOVE SYMBOL INDICATE ELECTRONIC CIRCUITS PECs FOR WHICH ESD HANDLING PRECAUTIONS ARE NECESSARY THE USER SHOULD REFER TO BS5783 1984 HANDLING OF ELECTROSTATIC SENSITIVE DEVICES THIS BRITISH STANDARD SUPERSEDES DEF STAN 59 98 ISSUE 2 w w w m y r a d i o 1 6 8 n e t ...

Страница 6: ...Cautions and Warnings iv w w w m y r a d i o 1 6 8 n e t ...

Страница 7: ...VE TAKEN ADEQUATE PRECAUTIONS TO PROTECT THEMSELVES COMPONENTS CONTAINING BERYLLIUM OXIDE ARE USED IN THIS EQUIPMENT DUST FROM THIS MATERIAL IS A HEALTH HAZARD IF INHALED OR ALLOWED TO COME INTO CONTACT WITH THE SKIN GREAT CARE MUST BE TAKEN WHEN HANDLING THESE COMPONENTS WHICH MUST NOT BE BROKEN OR SUBJECTED TO EXCESSIVE HEATING DEFECTIVE COMPONENTS MUST BE DISPOSED OF IN ACCORDANCE WITH CURRENT ...

Страница 8: ...Cautions and Warnings vi w w w m y r a d i o 1 6 8 n e t ...

Страница 9: ...ble the radio for maintenance purposes and gives details on safety precautions The radio tuning procedure is also provided in this chapter 4 0 Theory Of Operation Gives a detailed description about the operation of the radio The information is supplied to circuit reference detail 5 0 Schematic Diagrams and Parts Lists Provides schematic diagrams component location diagrams and associated parts lis...

Страница 10: ...Contents viii Service Manual w w w m y r a d i o 1 6 8 n e t ...

Страница 11: ...0 Introduction 1 2 0 Scope of Manual 1 3 0 How to Use This Manual 1 4 0 Warranty and Service Support 1 4 1 Warranty Period 1 4 2 After Warranty Period 1 4 3 Piece Parts 2 4 4 Technical Support 2 5 0 Specifications 3 5 1 General 3 5 2 Receiver 3 5 3 Transmitter 3 w w w m y r a d i o 1 6 8 n e t ...

Страница 12: ...Table of Contents 1 ii Introduction w w w m y r a d i o 1 6 8 n e t ...

Страница 13: ...anty Claim Form Warranty Claim Forms are obtained by contacting an Authorised Motorola Dealer 4 1 Warranty Period The terms and conditions of warranty are defined fully in the Motorola Dealer or Distributor or Reseller contract These conditions may change from time to time and the following notes are for guidance purposes only In instances where the product is covered under a return for replacemen...

Страница 14: ...ication number All part orders should be directed to your local AAD office Please refer to your latest price pages 4 4 Technical Support Technical support is available to assist the dealer distributor in resolving any malfunction which may be encountered Initial contact should be by telephone wherever possible When contacting Motorola Technical Support be prepared to provide the product model numb...

Страница 15: ...TD 810E Frequency Stability 300MHz 3 ppm Dimensions 168x160x44 HxWxD Weight 1030g 25kHz Sensitivity 12dB SINAD µV 0 35µV Audio Output Power 5 distortion 1kHz with rated audio output 4W internal loudspeaker 13W external loudspeaker Spurious Image Rejection 70dB Selectivity 70dB Intermodulation 65dB Switching Bandwidth No degradation 300MHz 336 390MHz Power Output no degradation 5 25W Maximum Deviat...

Страница 16: ...Specifications 1 4 Introduction w w w m y r a d i o 1 6 8 n e t ...

Страница 17: ...ter 2 Model Chart and Accessories Table of Contents Table of Contents Paragraph Page 1 0 Overview 1 2 0 Model Chart 1 3 0 Accessories 2 3 1 Mechanical Hardware Kits 2 3 2 Speakers 2 3 3 Cables 2 3 4 Other 2 w w w m y r a d i o 1 6 8 n e t ...

Страница 18: ...Table of Contents 2 ii Model Chart and Accessories w w w m y r a d i o 1 6 8 n e t ...

Страница 19: ...CX600E 336 390 MHz 25 kHz 25W MPS MCX600E 336 390 MHz X Indicates one of each required Model AZM08PHN6DL5 _ N Item Description X GBN6147 Packaging Kit X GLN7331 Blank Control Head X GLN7317 MPT Trunnion Kit X PMMN4005 Hand Held Control Head X PMUD1663 MCX600E S T 336 390MHz 25k MPS X GKN6270 Power Cable X 6804111J88 MCX600E User Guide 2 w w w m y r a d i o 1 6 8 n e t ...

Страница 20: ...ector plug GSN6059_ 13W External Speaker square 3 3 Cables GKN6270_ Battery power cable 3m 10A fuse Standard GKN6271_ Ignition switch cable 3 4 Other GKN6272_ Alarm Relay and Cable Kit GLN7323_ External PTT GLN7318_ Base Tray GPN6126_ 24 12V DC Converter 6A GPN6127_ 24 12V DC Converter 15A GPN6133_ EMC approved mains Power Supply HPN4002_ Non EMC approved mains Power Supply HPN8393_ Non EMC approv...

Страница 21: ...e the Top Cover and Control Head 3 4 0 Exploded View Diagrams and Parts 4 5 0 Service Aids 5 6 0 Test Equipment 6 7 0 Radio Tuning Procedure 7 7 1 General 7 7 2 PA Bias Voltage 8 7 3 Transmitter Power 9 7 4 Battery Threshold 9 7 5 Reference Oscillator 10 7 6 Front End Pre Selector 10 7 7 Rated Volume 11 7 8 Squelch 11 7 9 Transmit Voltage Limit 12 7 10 Transmit Deviation Balance Compensation 12 7 ...

Страница 22: ...Table of Contents 3 ii Maintenance w w w m y r a d i o 1 6 8 n e t ...

Страница 23: ... the instructions pertaining to its removal and assembly are the same across models 2 0 Disassemble the Radio 2 1 Remove the Control Head Figure 3 1 Control Head Removal 1 Insert a small flat blade screw driver or similar in the recess between the control head and the transceiver to minimise cosmetic damage to the radio cover start from the bottom side 2 Press until the side of the control head re...

Страница 24: ...ransceiver Board Figure 3 3 Transceiver Board Removal 1 Remove the power and antenna connector retaining clips by inserting a small flat blade screw driver between the clip and the top of the chassis wall and gently prying the clip upwards 2 Remove 13 screws from the transceiver board using a T8 TORX driver Recess Chassis Recess Top Cover Flex Transceiver Board Clip Clip Recess Protruding Tabs w w...

Страница 25: ... reapply thermal grease to the heatsinking pads in the chassis 2 Before installing the connector retaining clips ensure that the board is sitting flush on the chassis mounting surface 3 Install the 13 screws with 0 4 07 NM 4 6 in lbs of torque using a T8 TORX driver 3 2 Replace the Top Cover and Control Head 1 Position the top cover over the chassis and replace Ensure that the cross snaps into the...

Страница 26: ...3202619Y01 Main PCB Flex 8402618Y01 Pad 7502618Y01 Gasket Controlhead 3202620Y01 Antenna Conn 0905901V06 incl Gasket 3205929V01 Chassis 2702608Y01 Shield 2602640Y01 Shield 2602639Y01 Accessory Conn 16Pin 2804503J01 Power Conn 0905902V01 Gasket 3205930V01 Clip 4205938V01 Connector 1580922V01 Gasket Accessory Conn 3202606Y01 Gasket Cover 3202607Y01 Screw M3x10 03S10911A12 w w w m y r a d i o 1 6 8 n...

Страница 27: ...ables connection to the universal connector Allows switching for radio testing RLN4008 Radio Interface Box Enables communications between the radio and the computer s serial communications adapter EPN4040 Power Supply Used to supply power to the RIB 240 VAC EPN4041 Power Supply Used to supply power to the RIB 220 VAC 3080369B72 Computer Interface Cable Connects the computer s serial communications...

Страница 28: ...Series System Analyser This monitor will substitute for items with an asterisk Frequency deviation meter and signal generator for wide range troubleshooting and alignment R1150C Code Synthesizer Injection of audio and digital signalling codes S1053D HM 203 7 SKN6008A SKN6001A 220 VAC Voltmeter 110 VAC Voltmeter Power Cable for Meter Test Leads for Meter 1mV to 300V 10 Mohm Input impedance Audio vo...

Страница 29: ...e read so that the DPS will have the radio s actual tuning values All Service windows read and program the radio codeplug directly you do NOT have to use the DPS Read Radio Write Radio functions to program new tuning values CAUTION DO NOT switch radios in the middle of any Service procedure Always use the Program or Cancel key to close the tuning window before disconnecting the radio Improper exit...

Страница 30: ...ious radios Refer to the DPS on line help for information on the tuning software Perform the following procedures in the sequence indicated Note All tuning procedures must be performed at a supply voltage of 13 2V unless otherwise stated 7 2 PA Bias Voltage Adjustment of the PA Bias is critical for proper radio operation Improper adjustment will result in poor operation and may damage the PA FET d...

Страница 31: ...ter 6 Enter the measured value in the box Point 1 7 Select Point 2 value of the first frequency 8 Measure the transmitter power on your power meter 9 Enter the measured value in the box Point 2 10 Click Toggle PTT to dekey the radio 11 Repeat steps 4 7 for all test frequencies shown in the window 12 Click Program to store the softpot values 7 4 Battery Threshold The radio uses 2 battery threshold ...

Страница 32: ...es across the frequency range 1 Set the test box GTF180 meter selection switch to the Audio PA position and connect a SINAD meter to the METER port 2 From the Service menu select Receiver Alignment 3 Select Front End Filter to open the pre selector tuning window The window will indicate the receive test frequencies to be used 4 Select the first test frequency shown and set the corresponding value ...

Страница 33: ...o noise ratio at which the squelch opens The squelch value needs to be set at 7 frequencies across the frequency range 1 Set the test box GTF180 meter selection switch to the Audio PA position and connect a SINAD meter to the METER port 2 From the Service menu select Receiver Alignment 3 Select Squelch Attenuation to open the squelch attenuation tuning window The window will indicate the receive t...

Страница 34: ...sted The compensation value needs to be set at 7 frequencies across the frequency range 1 From the Service menu select Transmitter Alignment 2 Select Modulation Attenuation to open the deviation balance tuning window The window will indicate the transmit test frequencies to be used 3 Set the Test Box GTF180 meter selector switch to the GEN position and inject a 80 Hz tone at 200 mVrms into the Aud...

Страница 35: ...ate that the radio is transmitting 9 Adjust the transmitter deviation to the value shown in table 3 6 10 Click the Toggle PTT to dekey the radio 11 Repeat steps 8 10 for the remaining test frequencies 12 Click the Program button to store the softpot values 7 12 Signalling Alignments 7 12 1 MPT RSSI Threshold Level The Program buttons must only be activated when the required signal is input to the ...

Страница 36: ...for tuning Values for other frequencies are calculated by the radio software The DTMF Deviation Softpot is used to tune the DTMF signalling deviation Tuning is performed at one frequency The radio generates a DTMF signal for tuning Values for other frequencies are calculated by the radio software 1 From the Service menu select Transmitter Alignment 2 Select Signalling Deviation to open the signall...

Страница 37: ...e SPI 4 2 10 SPEB Serial Interface 5 2 11 General Purpose Input Output 5 2 12 Normal Microprocessor Operation 5 2 13 FLASH Electronically Erasable Programmable Memory FLASH EEPROM 7 2 14 Electrically Erasable Programmable Memory EEPROM 7 2 15 Static Random Access Memory SRAM 8 2 16 Blank Control Head 8 CONTROLLER BOARD AUDIO AND SIGNALLING CIRCUITS 3 0 General 9 3 1 Audio Signalling Filter IC ASFI...

Страница 38: ...ible Data PL DPL and High Speed Data Decoder 16 7 2 Alert Tone Circuits 16 300MHz SPECIFIC CIRCUIT DESCRIPTION 8 0 Receiver Front End 17 8 1 Front End Band Pass Filter Pre Amplifier 17 8 2 Mixer and Intermediate Frequency IF Section 17 8 3 IF IC U5201 18 9 0 Transmitter Power Amplifier PA 5 25W 18 9 1 Power Controlled Stage 18 9 2 PA Stages 19 9 3 Directional Coupler 19 9 4 Antenna Switch 19 9 5 H...

Страница 39: ... controller configuration It consists of a microprocessor support memory support logic signal MUX ICs the On Off circuit and general purpose Input Output circuitry The controller uses the Motorola 68HC11K1 microprocessor U0101 In addition to the microprocessor the controller has 3 external memory devices The 3 memory devices consist of a 32 kByte SRAM U0103 a 256kByte FLASH EEPROM U0102 and an opt...

Страница 40: ...rcuitry which allows radio software and or external triggers to turn the radio on or off without direct user action For example automatic turn on when ignition is sensed and off when ignition is off Q0611 is used to provide SW B to the various radio circuits Q0611 acts as an electronic on off switch controlled by Q0612 The switch is on when the collector of Q0612 is low When the radio is off Q0612...

Страница 41: ...he software detects the line ANALOG 3 changing to low and switches the radio off by setting B CONTROL to low 2 6 Ignition Ignition sense is used to prevent the radio from draining the vehicle s battery because the engine is not running When the IGNITION input J0400 10 goes above 6 volts Q0612 is turned on via line IGNITION CONTROL Q0612 turns on SW B by turning on Q0611 and the microprocessor star...

Страница 42: ...be checked first when debugging the system 2 9 Serial Peripheral Interface SPI The µP communicates to many of the ICs through its SPI port This port consists of SPI TRANSMIT DATA MOSI U0101 1 SPI RECEIVE DATA MISO U0101 80 SPI CLK U0101 2 and chip select lines going to the various ICs connected on the SPI PORT BUS This BUS is a synchronous bus in that the timing clock signal CLK is sent while SPI ...

Страница 43: ...e general purpose line GP I O available on the accessory connector J0400 12 to interface to external options The software and the hardware configuration of the radio model defines the function of the port The port uses an output transistor Q0432 controlled by µP via ASFIC port GCB3 pin B3 An external alarm output available on J0400 pin 4 is generated by the µP via ASFIC port GCB1 pin K3 and transi...

Страница 44: ...hould be high at all times during normal operation Whenever a data or address line becomes open or shorted to an adjacent line a common symptom is that the RESET line goes low periodically with the period being in the order of 20 msecs In the case of shorted lines you may also detect the line periodically at an intermediate level i e around 2 5 V when 2 shorted lines attempt to drive to opposite r...

Страница 45: ...ter power up The high state at collector of Q0103 enables the µP to control the FLASH EN OE U0102 32 input via U0106 4 Chip select U103 30 and read or write operation U103 7 are controlled by µP pins 29 and 33 In normal operating mode VPP is below 5V which switches Q0102 off and Q0103 on Resistor divider pair R0132 and R0133 set up 4 1 V on U0102 9 which reduces the chance of logic transitions The...

Страница 46: ...the radio via the On Off button The stabilized 5 volt is used for the display the display driver K3 only the shiftregister and the keypad buttons 2 16 2 Power On Off The On Off button when pressed switches the radio s voltage regulators on by pulling ON OFF CONTROL to high via D0825 K2 D0925 K3 and connects the base of D0825 K2 D0925 K3 to FLT A This transistor pulls the line ANALOG 3 to low to in...

Страница 47: ... D0200 increases the voltage at the base of Q0200 about 0 6 volts above the 5 volt supply voltage to compensate the base emitter voltage drop of Q0200 3 2 Audio Ground VAG is the dc bias used as an audio ground for the op amps that are external to the Audio Signalling Filter IC ASFIC U0251 1 form this bias by dividing 9 3V with resistors R0251 R0252 and buffering the 4 65V result with a voltage fo...

Страница 48: ...ion with 12 5kHz or 25 kHz channel spacing The FLAT TX AUDIO signal from accessory connector J0400 5 is buffered by op amp U0202 1 and fed to the ASFIC U0201 D7 through C0205 4 2 External Mic Path The external microphone signal enters the radio on accessory connector J0400 pin 2 and connects to the standard microphone input through R0413 Components R0414 R0416 C0413 C0414 C0417 are not used MIC IN...

Страница 49: ...splatter filter to eliminate high frequency spectral components that could be generated by the limiter The audio is then routed to two attenuators which are tuned in the factory or the field to set the proper amount of FM deviation The TX audio emerges from the ASFIC at U0201 H8 MOD IN at which point it is routed to the RF section 5 0 Transmit Signalling Circuits Refer to Figure 4 2 for reference ...

Страница 50: ...used in a trunking system for high speed communication between the central controller and the radio To generate an ISW the µP first programs the ASFIC U0201 to the proper filter and gain settings It then begins strobing U0201 G1 TRK CLK IN with a pulse when the data is supposed to change states U0201 s 5 3 2 State Encoder which is in a 2 state mode is then fed to the post limiter summer block and ...

Страница 51: ...plified filtered attenuated and rectified It is then sent to a comparator to produce an active high signal on CH ACT A squelch tail circuit is used to produce SQ DET U0201 H1 from CH ACT The state of CH ACT and SQ DET is high logic 1 when carrier is detected otherwise low logic 0 FLT RX AUDIO J0400 11 16 1 EXTERNAL SPEAKER INTERNAL SPEAKER ACCESSORY CONNECTOR CONTROL HEAD CONNECTOR HANDSET AUDIO 1...

Страница 52: ...the SPI BUS based on the volume setting The minimum maximum settings of the attenuator are set by codeplug parameters Since sub audible signalling is summed with voice information on transmit it must be separated from the voice information before processing Any sub audible signalling enters the ASFIC from the IF IC at PL IN U0201 J7 Once inside it goes through the PL DPL path The signal first pass...

Страница 53: ...ither of these lines is shorted to ground it is possible that the audio PA will be damaged SPK and SPK are routed to the accessory connector J400 16 and 1 and to the control head connector J0101 1 and 2 6 4 Filtered Audio The ASFIC has an audio whose output at U0201 B2 has been filtered and de emphasized but has not gone through the digital volume attenuator From ASFIC U0201 B2 the signal is AC co...

Страница 54: ...tware determines that it needs to give the operator an audible feedback for a good key press or for a bad key press or radio status trunked system busy phone call circuit failures it sends an alert tone to the speaker It does so by sending SPI BUS data to U0201 which sets up the audio path to the speaker for alert tones The alert tone itself can be generated in one of two ways internally by the AS...

Страница 55: ...ollector current of approximately 11 16 mA is drawn from the voltage 9V3 via L8302 and R8302 A second two pole varactor tuned bandpass filter provides additional filtering to the amplified signal The varactor diodes D8304 and D8305 are controlled by the same signal which controls the pre selector filter A following 1 dB pad R8310 R8314 R8316 stabilizes the output impedance and intermodulation perf...

Страница 56: ...lar stage Q8540 Devices Q8510 Q8520 Q8530 and Q8531 are surface mounted Bipolar Transistor Q8540 is directly attached to the heat sink 9 1 Power Controlled Stage The first stage Q8510 amplifies the RF signal from the VCO line EXCITER PA and controls the output power of the PA The output power of the transistor Q8510 is proportional to its collector current which is adjusted by a voltage controlled...

Страница 57: ...mpedance to 50 Ohms and feed the directional coupler 9 3 Directional Coupler The directional coupler is a microstrip printed circuit which couples a small amount of the forward power off the rf power from Q8541 The coupled signal is rectified to an output power proportional negative DC voltage by the diode D8553 and sent to the power control circuit in the controller section via the line PWR DETEC...

Страница 58: ...TL VLTG to ground via Q0743 PA DISABLE also microprocessor controlled U0101 26 sets BIAS VLTG U0731 4 and VLTG LIMIT SET U0731 13 via D0731 and BIAS VLTG 2 via D0733 in receive mode to low to switch off the biases of the MOS FET devices Q8530 Q8531 and to switch off the power control voltage PWR CNTL Through an Analog to Digital A D input VLTG LIMIT the microprocessor can read the PA control volta...

Страница 59: ...is below 4 6V Diode D8601 located in the PA section acts as protection against transients and wrong polarity of the supply voltage 10 0 Frequency Synthesis The complete synthesizer subsystem consists of the Reference Oscillator U8702 the Fractional N synthesizer U8701 the Voltage Controlled Oscillator Q8802 the RX and TX buffer stages Q8831 Q8851 Q8852 Q8881 and the feedback amplifier Q8841 10 1 R...

Страница 60: ...harmonics at the first and third oscillator fundamental frequency and matches the output to the following buffer stages Buffer Q8831 drives the Pre scaler Buffer Q8841 the PA Buffers Q8851 Q8852 Pout 13dBm and Mixer Buffer Q8881 Pout 10dBm Q8841 draws a collector current of 14 mA from the stabilized 5V Q8851 draws 15mA Q8852 draws 20 mA and Q8881 draws 18 mA form the FLT 9V3 source The buffer stag...

Страница 61: ...high transient of the FRACN CE line When the synthesizer is within the lock range the current is determined only by the resistors connected to CPBIAS 1 CPBIAS 2 or the internal current source A settled synthesizer loop is indicated by a high level of signal LOCK DET U8701 2 Open architecture only LOCK DET adds up with signal SQ DET weighted by resistors R0113 R0114 and is routed to one of the uP s...

Страница 62: ...Frequency Synthesis 4 24 Theory of Operation w w w m y r a d i o 1 6 8 n e t ...

Страница 63: ...roller_IO Schematic Diagram 5 336 390MHz Supply Voltage Schematic Diagram 7 Supply Voltage Parts List 8 336 390MHz Power Control Schematic Diagram 9 Power Control Parts List 10 336 390MHz Power Amplifier 5 25W Schematic Diagram 11 Power Amplifier 5 25W Parts List 12 336 390MHz Synthesizer Schematic Diagram 13 Synthesizer Parts List 14 336 390MHz Voltage Controlled Oscillator Schematic Diagram 15 V...

Страница 64: ...Table of Contents 5 ii PCB Schematic Diagrams and Parts Lists w w w m y r a d i o 1 6 8 n e t ...

Страница 65: ...03 L8531 L8532 L8541 L8542 L8551 L8552 L8553 L8554 L8600 L8611 L8631 L8801 L8802 L8803 L8804 L8805 L8831 L8852 Q0101 Q0102 Q0103 Q0121 Q0123 Q0124 Q0125 Q0141 Q0401 Q0450 Q0731 Q0741 Q0742 Q8301 Q8510 Q8520 Q8621 Q8801 Q8802 Q8831 Q8852 R0104 R0105 R0106 R0108 R0110 R0111 R0112 R0113 R0114 R0115 R0116 R0119 R0120 R0121 R0122 R0123 R0124 R0125 R0126 R0127 R0128 R0129 R0130 R0131 R0132 R0133 R0134 R...

Страница 66: ...851 Q0104 Q0105 Q0106 Q0122 Q0200 Q0411 Q0421 Q0422 Q0431 Q0432 Q0441 Q0601 Q0611 Q0612 Q0711 Q0732 Q5201 Q8302 Q8530 Q8531 Q8540 Q8611 Q8612 Q8841 Q8851 Q8881 R0100 R0101 R0102 R0103 R0107 R0109 R0117 R0118 R0150 R0161 R0200 R0220 R0411 R0412 R0413 R0414 R0415 R0416 R0418 R0419 R0421 R0422 R0425 R0426 R0427 R0428 R0429 R0431 R0432 R0433 R0435 R0440 R0441 R0442 R0602 R0603 R0606 R0611 R0612 R0613 ...

Страница 67: ...336 390MHz Open Controller Schematic Diagram Diagrams and Parts Lists 5 3 336 390MHz Open Controller Schematic Diagram 1 of 2 w w w m y r a d i o 1 6 8 n e t ...

Страница 68: ...it Ref Motorola Part No Description C0410 2113741F17 470pF 50V C0412 2113741F17 470pF 50V C0415 2113741F17 470pF 50V C0416 2113741F17 470pF 50V C0418 2311049A05 TANT CP 470nF 10 25V C0419 2311049A99 TANT CP 47uF 20 10V C0421 2113741F17 470pF 50V C0422 2113741F17 470pF 50V C0423 2113741F17 470pF 50V C0425 2113741F17 470pF 50V C0426 2113741F17 470pF 50V C0427 2113741F17 470pF 50V C0431 2113741F17 47...

Страница 69: ...336 390MHz Open Controller_IO Schematic Diagram Diagrams and Parts Lists 5 5 336 390MHz Open Controller_IO Schematic Diagram 2 of 2 w w w m y r a d i o 1 6 8 n e t ...

Страница 70: ...0662057A81 22k 1 16W 5 R0407 0662057A77 15k 1 16W 5 R0411 0662057A73 10k 1 16W 5 R0412 0662057A65 4k7 1 16W 5 R0413 0662057B47 0 1 16W R0417 0662057A97 100k 1 16W R0418 0662057A18 51 1 16W 5 R0419 0662057A97 100k 1 16W R0420 0662057A35 270 1 16W 5 R0421 0662057A43 560 1 16W 5 R0422 0662057A35 270 1 16W 5 R0423 0662057A65 4k7 1 16W 5 R0424 0662057A35 270 1 16W 5 R0425 0662057A09 22 1 16W 5 R0431 06...

Страница 71: ... C0603 10uF C0602 1uF 1uF R0615 10K SW_B 47uF C0611 3 3K R0613 9V3 R0612 3 3K 0 1uF C0612 0 1uF Q0612 Q0611 SW_B _8 D0611 1 2 3 R0611 820 R0616 10K 1K D0621 1 2 3 R0614 VR0621 5 1V C0621 470pF 47uF 470pF 9V3_8 C0622 47uF R0621 2 2K VIN 4 VOUT 5 LM2941T U0601 ADJ 1 GND 3 ON_OFF 2 FLT_A _8 0 R0606 VR0641 5 1V R0604 R0605 3 3K 22K 10K R0601 Q0601 C0613 470pF 9V3_1_8 022uF 0102725B31 GEPD5402 2 SUPPLY...

Страница 72: ...AL SOT MMBD6100 Q0601 4813824A10 NPN 40V 2A B 50 150 Q0611 4805128M27 PNP SOT89 BSR33 LH Q0612 4813824A10 NPN 40V 2A B 50 150 R0601 0662057A73 RES CHP 10k 1 16W 5 R0602 0660076E70 RES CHIP FILM 7500 1 1 R0603 0660076E51 RES CHIP FILM 1200 1 1 R0604 0662057A61 RES CHP 3k3 1 16W 5 R0605 0662057A81 RES CHP 22k 1 16W 5 R0606 0662057B47 RES CHIP 0 1 16W R0611 0662057A47 RES CHP 820 1 16W 5 R0612 066205...

Страница 73: ...731 SPI_DATA_SRC_7 R0714 12K R0713 3 3K FMC2A 5 2 1 3 4 68K Q0732 R0718 R0715 22K 560K R0716 PWR_CNTL C0714 100uF 0022uF C0716 PWR_CNTL_7 100pF C0713 R0712 0 100pF C0722 15K R0735 R0736 10K 47K R0738 C0738 220uF C0703 PA_TEMP K9V1 0 1uF 4 7K R0734 R0722 10K 22K R0721 1 2 3 100pF C0723 1 2 3 D0721 D0731 R0724 100K R0720 100K VLTG_LIMIT 100K NU Q0731 R1 3 R2 5 R3 12 R4 14 VDD 16 GND 7 47K 47K D_OUT ...

Страница 74: ... Q0741 4880048M01 TSTR NPN DIG 47k 47k Q0742 4805128M27 TSTR PNP SOT89 BSR33 R0701 0662057A93 68k 1 16W 5 R0702 0662057A89 47k 1 16W 5 R0703 0662057A73 10k 1 16W 5 R0704 0662057A93 68k 1 16W 5 R0705 0662057A75 12k 1 16W 5 R0711 0662057A81 22k 1 16W 5 R0712 0662057B47 0 R0713 0662057A61 3k3 1 16W 5 R0714 0662057A75 12k 1 16W 5 R0715 0662057A81 22k 1 16W 5 R0716 0662057B16 560k 1 16W 5 R0717 0662057...

Страница 75: ... C8530 1uF 51 R8614 6 2pF C8554 C8546 3300pF 10pF C8552 25nH L8553 L8551 25nH L8552 25nH C8551 180pF 2 2pF C8633 L8631 470nH 120pF C8632 D8551 001uF C8631 R8541 10 R8501 10pF C8501 4 7 68 R8502 100pF C8623 4 7 R8624 12pF C8544 001uF C8603 0102725B84 GEPD5525 Power Amplifier 100pF C8602 L8601 10uF C8601 NU 10K R8611 01uF C8612 L8539 38nH C8615 001uF NU MRF650 Q8540 13 85nH L8533 3 1 2 4 MRF557 Q852...

Страница 76: ...5 DIODE TRANSORB D8631 4802482J02 DIODE PIN MA COM J8501 0905901V02 CONNECTOR ANTENNA BNC J8601 0905902V04 CONNECTOR POWER W GASKET L8501 2460591C23 SQUARE COIL 16nH 3T L8503 2462587T38 COIL CHIP 22nH 5 Circuit Ref Motorola Part No Description L8531 2460591C23 SQUARE COIL 16nH 3T L8532 2484657R01 Ferrite Bead L8533 2460591C23 SQUARE COIL 16nH 3T L8534 2484657R01 Ferrite Bead L8539 2460591M77 SQUAR...

Страница 77: ... GND 31 IADAPT 29 IOUT 2 LOCK 8 MODIN 28 MODOUT 20 PREIN 17 SUPFCAP 19 SUPFIN 18 SUPFOUT 32 VCP 26 CPBIAS2 5 DATA DC5V1 3 12 DC5V2 22 DC5V3 23 DC5V4 11 FREFOUT 4 GND 13 GND 21 GND 30 U8701 1 AUX3 7 CEX 6 CLK 27 CPBIAS1 VR8701 FRACTN_IC 10V E8701 2 7K used only for 725b85 R8713 2 7K R8712 1 0uF C8724 SPI_CLK NU 1uF C8723 R8715 470 01uF C8706 E8702 LOCK_DET_4 01uF C8704 0 1uF C8703 0102725B85 GEPD55...

Страница 78: ...311049A07 TANT CP 1uF 10 16V C8723 2109720D14 CER LOW DIST 100nF C8725 2109720D14 CER LOW DIST 100nF C8726 2113741F49 10nF 50V C8727 0811051A19 MTLZ POLY 1uF 5 D8701 4802233J09 DIODE TRIPLE SOT143 RH E8701 2605915V01 SHLD PCB MOUNT 1 R8700 0662057B47 0 1 16W R8701 0662057A35 270 1 16W 5 R8702 0662057A35 270 1 16W 5 R8703 0662057A49 1k 1 16W 5 R8705 0662057A89 47k 1 16W 5 R8708 0662057A01 10 1 16W ...

Страница 79: ... 82nH 0102725B87 GEPD5567 VCO L8803 22nH 5V_STAB L8851 15K R8852 10K R8882 R8883 3 3K C8886 43pF 10 10 R8885 100pF C8853 R8853 10K R8886 100 T45 L8804 100 R8801 27pF C8858 10pF C8865 51 R8842 Q8841 270 R8889 10pF C8855 C8842 001uF R8863 10 0 1uF C8869 100pF C8841 150 R8837 270 R8865 R8854 100 22 R8831 270 R8855 NU 12pF C8814 12pF C8857 E8801 12pF Q8852 15pF C8867 68pF C8815 10K R8805 6 8pF C8866 7...

Страница 80: ...L8804 0105950T45 COIL HELICAL MOLDED FIN 175 L8805 2462587T30 COIL CHIP 1uH L8831 2462587T38 COIL CHIP 22nH 5 L8851 2462587T38 COIL CHIP 22nH 5 L8852 2462587T38 COIL CHIP 22nH 5 Q8801 4805921T09 XSTR DUAL ROHM FMG8 Circuit Ref Motorola Part No Description Q8802 4813823A05 TSTR N CH RF JFET MMBU310LT1 Q8831 4813827A07 TSTR NPN SML SIG MMBR9 Q8841 4813827A07 TSTR NPN SML SIG MMBR9 Q8851 4813827A07 T...

Страница 81: ...C8325 3 3pF 270 R8314 NU 330pF 330pF 330pF C8407 10pF C8400 C8406 R8402 560 82pF C8404 9V3_2_3 R8401 51 L8401 470nH L8403 27nH L8404 15nH C8402 15pF C8401 15pF NU C8403 18pF 1 5pF C8326 NU 1 5pF C8327 NU C8329 1 5pF NU 1 5pF NU 330pF C8331 C8328 R8319 82 R8317 TP8301 270 R8318 270 NU D8401 L8409 3 E8301 3 3 VCO_MIXER K9V1 L8406 L8407 L8408 3 RX_IF 9V3 VCO_MIXER_2 FE_CNTL_VLTG 9V3_2 RX_IF_2 PA_RX P...

Страница 82: ...R D8302 4862824C01 DIODE VARACTOR D8303 4880154K03 DUAL SCHOTTKY SOT23 D8304 4862824C01 DIODE VARACTOR D8305 4862824C01 DIODE VARACTOR D8311 4813833C02 DIODE DUAL SOT MMBD6100 D8401 4880174R01 DIODE QUAD SOIC 8 PIN L8302 2462587T23 COIL CHIP 470nH L8401 2462587T23 COIL CHIP 470nH L8402 2462587T17 COIL CHIP 150nH L8403 2462587N46 IND Chip 27 0 N 5 L8404 2462587N43 IND Chip 15 0 N 5 Q8301 4813827A07...

Страница 83: ...2pF C5236 100pF C5225 4 7uF C5226 047uF C5233 100pF C5239 51pF R5221 150K 13K 0 1uF C5238 R5224 R5225 100 C5237 0 1uF C5232 100pF C5228 0 1uF 0015uF C5224 CSQ_DET_3 SQ_ATT_3 0 R5217 0 NU 1 5 3 2 4 SQ_ATT_IN 5V_STAB INSTPAR FL5202 FILTER_6POLE Y5201 4 CASE GND 2 IN 1 OUT 3 FAST_SQ_3 SQ_ATT_OUT_3 0102725B89 GEPD5527 12 5kHz channel spacing ADAPT_3 C5203 100uF 100 R5204 FAST_SQ L5211 1 2uH R5202 33K ...

Страница 84: ...F 5 50V C5234 2113743K15 100nF 16V C5235 2113740F51 100pF 5 50V C5236 2113740F51 100pF 5 50V C5237 2113743K15 100nF 16V C5238 2113743K15 100nF 16V Y5V C5239 2113740F44 51pF 5 50V D5201 4880154K03 Dual Schottky SOT23 FL5201 9180098D06 Filter CER 4 EL 455kHz FL5202 9180097D06 Filter CER 6 EL 455kHz L5201 2462587N69 CHIP IND 1200 NH L5203 2483411T74 Inductor Chip Shielded L5211 2483411T74 Inductor Ch...

Страница 85: ...PL CTCSS Codes A i Appendix A Table of Contents Table of Contents PL Codes Paragraph Page 1 0 PL Codes 1 w w w m y r a d i o 1 6 8 n e t ...

Страница 86: ...Table of Contents A ii PL CTCSS Codes w w w m y r a d i o 1 6 8 n e t ...

Страница 87: ...P C Code Freq Code Freq Code Freq XZ XB YB 1Z 1B 2A 3Z 3B 4A 5Z 6A 7Z M1 M3 67 0 77 0 88 5 100 0 107 2 114 8 123 0 131 8 141 3 151 4 173 8 186 2 203 5 218 1 XA YZ ZA 1A 2Z 2B 3A 4Z 4B 5A 6Z 6B 7A M2 71 9 82 5 94 8 103 5 110 0 118 8 127 3 136 5 146 2 156 7 167 9 179 9 192 8 210 7 WZ WA WB YA ZZ ZB 5B 8Z 69 3 74 4 79 7 85 4 91 5 97 4 162 2 206 5 w w w m y r a d i o 1 6 8 n e t ...

Страница 88: ...PL Codes A 2 PL CTCSS Codes w w w m y r a d i o 1 6 8 n e t ...

Страница 89: ...l Head PMMN4005 B i Appendix B Hand Held Control Head PMMN4005 Table of Contents Table of Contents Appendix B 1 Introduction Theory of Operation B 2 PCB Schematic Diagram and Parts List w w w m y r a d i o 1 6 8 n e t ...

Страница 90: ...Table of Contents B ii Hand Held Control Head PMMN4005 w w w m y r a d i o 1 6 8 n e t ...

Страница 91: ... 0 Theory of Operation 1 2 1 General 1 2 2 Power Supplies 1 2 3 Power On Off 2 2 4 PTT Button 2 2 5 ON OFF Hook Control 2 2 6 Keypad and Top Keys 3 2 7 Status LED and Back Light Circuit 3 2 8 Liquid Crystal Display LCD 4 2 9 Microphone Amplifier 4 2 10 Connections to the Radio 4 2 11 Electrostatic Transient Protection 5 w w w m y r a d i o 1 6 8 n e t ...

Страница 92: ...Table of Contents B 1 ii Introduction Theory of Operation w w w m y r a d i o 1 6 8 n e t ...

Страница 93: ... taken from the host radio s FLT A voltage via connector J0901 pin 8 This voltage is at battery level and is used for the voltage regulator U0971 the indicator LEDs the back light and to power up the radio via the On Off button The voltage regulator U0971 provides the stabilized 5 volt source for the LCD driver the shift register inverter and the keypad buttons The regulated output of U0971 is ena...

Страница 94: ...ne LED CE is also used to write data into the shiftregister U0983 After the serial write process line LED CE is set to low for a few microseconds to update the output of the shiftregister with the new data The low pass filtering provided by C0973 and R0974 filters out these small low periods and prevents disabling of the voltage regulator output 2 4 PTT Button The PTT function is achieved by press...

Страница 95: ...e on the analogue lines depends on which key is pressed 0V for ON OFF Button 1 31V for EMG Button and 2 55V for CLR Button The voltages of these lines ANALOG _1 2 3 are A D converted inside the microprocessor on the mobile radio and are used to specify the pressed button 2 7 Status LED and Back Light Circuit All the indicator LEDs 2 and the back light LEDs 18 are driven by current sources Q0982 Q0...

Страница 96: ...approximately 0 27 mA A low pass filter composed of R0904 and C0907 C0908 filters out any audio frequency components riding on this voltage The output of the first stage is fed via R0906 to the second stage Q0901 which amplifies the audio signal to the radio s input level The supply voltage of the stage is provided by the radio s 9V3 voltage regulator via the load resistor 1k ohm located on the ra...

Страница 97: ...associated capacitors provide Radio Frequency Interference RFI protection Radio Adapter PCB Cable HHCH Description J0101 J0950 P0951 Connector J0901 1 18 18 1 INT SPKR NU 2 17 17 2 INT SPKR NU 13 6 16 3 14 ANALOG 3 4 15 15 4 13 PTT 10 9 9 10 3 ANALOG 1 11 8 8 11 5 ANALOG 2 17 2 4 15 8 FLT A 18 1 1 18 2 ON OFF CONTROL 8 11 14 5 11 LCD CLCK BUF 6 13 13 6 10 SPI DATA BUF 5 14 3 16 1 LED CLCK BUF 7 12...

Страница 98: ...Theory of Operation B 1 6 Introduction Theory of Operation w w w m y r a d i o 1 6 8 n e t ...

Страница 99: ...x B 2 PCB Schematic Diagram and Parts List Table of Contents Table of Contents Description Page HHCH PMMN4005 Diagrams and Parts Lists PCB Layout Component Side 1 PCB Layout Solder Side 1 Schematic Diagram 3 Parts List 4 w w w m y r a d i o 1 6 8 n e t ...

Страница 100: ...Table of Contents B 2 ii PCB Schematic Diagram and Parts List w w w m y r a d i o 1 6 8 n e t ...

Страница 101: ... 1 U0971 C0972 C0975 C0974 C0901 C0902 C0903 C0904 C0906 Q0901 R0902 R0903 VR0929 2 1 J0903 C0905 C0908 C0909 C0907 C0910 C0911 Q0902 R0904 R0906 R0907 R0908 R0909 R0911 R0912 R0913 R0996 C0923 C0922 C0921 R0950 R0951 R0953 R0956 R0957 R0958 R0959 S0901 TP0901 TP0902 VR0922 VR0921 100 80 51 30 U0951 C1003 C0952 C1001 C1002 D1001 Q1001 R0954 R0981 R0955 R0987 R1001 R0997 R1002 S0902 U1001 3 4 S0903...

Страница 102: ...Hand Held Control Head PMMN4005 B 2 2 Diagrams and Parts List w w w m y r a d i o 1 6 8 n e t ...

Страница 103: ...89 NU 1 5K R0988 R0986 22K Q0982 D0972 R0999 10 Q0983 R0987 R0989 100K 5V D0971 470pF C0951 Q0971 470pF C0971 47K 47K R0972 4 7K 0 1uF C0972 R0971 4 7K S0902 SWITCH 3 4 5 6 1 2 7 ON OFF TAB4 TAB5 TAB1 TAB2 TAB3 3 4 5 6 7 S0903 SWITCH 1 2 EMG TAB1 TAB2 TAB3 TAB4 TAB5 CLR 6 7 S0904 SWITCH 1 3 4 5 2 TAB4 TAB5 TAB1 TAB2 TAB3 R0952 4 7K 4 7K 4 7K R0950 R0951 4 7K R0953 5V R0907 1MEG J0903 2 J0903 1 MIC...

Страница 104: ...001 4805218N63 NPN BFQ 67W R0901 0662057A01 10 1 16W 5 R0902 0662057A09 22 1 16W 5 R0903 0662057A51 1k2 1 16W 5 R0904 0662057A51 1k2 1 16W 5 R0906 0662057A47 820 1 16W 5 R0907 0662057B22 1MEG 1 16W 5 R0908 0662057B10 330k 1 16W 5 R0909 0662057B02 150k 1 16W Circuit Ref Motorola Part No Descritpion R0911 0662057A57 2k2 1 16W 5 R0912 0662057A43 560 1 16W 5 R0913 0662057A43 560 1 16W 5 R0931 0662057V...

Страница 105: ... 1999 by Motorola Inc Motorola Technology Sdn Bhd Co No 455657 H Bayan Lepas FIZ Phase III 11900 Penang Malaysia Printed in Malaysia December 1999 6804111J89 6804111J89 O w w w m y r a d i o 1 6 8 n e t ...

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