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Professional Radio

GM Series

Detailed Service Manual

6864115B62-B

Содержание GM Series

Страница 1: ...Professional Radio GM Series Detailed Service Manual 6864115B62 B ...

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Страница 3: ...ugust 2002 iii Professional Radio GM Series Detailed Service Manual 6864115B62 B Contents Section 1 Service Maintainability Section 2 Controlhead Service Information Section 3 Controller Service Information Section 4 VHF Service Information Section 5 UHF Service Information Section 6 Lowband Service Information ...

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Страница 5: ...Professional Radio GM Series Service Maintainability Issue August 2002 ...

Страница 6: ...he 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 cop...

Страница 7: ...rdering 1 2 2 5 EMEA Test Equipment Support 1 2 2 6 Technical Support 1 3 2 7 Related Documents 1 3 3 0 Radio Model Information 1 4 Chapter 2 MAINTENANCE 1 0 Introduction 2 1 2 0 Preventive Maintenance 2 1 2 1 Inspection 2 1 2 2 Cleaning 2 1 3 0 Safe Handling of CMOS and LDMOS 2 2 4 0 General Repair Procedures and Techniques 2 2 5 0 Notes For All Schematics and Circuit Boards 2 5 Chapter 3 SERVICE...

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Страница 9: ...munications Authority Radiocommunications Electromagnetic Radiation Human Exposure Standard 1999 applicable to wireless phones only To assure optimal radio performance and make sure human exposure to radio frequency electromagnetic energy is within the guidelines set forth in the above standards always adhere to the following procedures Phone operation When placing or receiving a phone call hold y...

Страница 10: ... ear opposite the pacemaker to minimize the potential for interference turn the radio OFF immediately if you have any reason to suspect that interference is taking place Hearing Aids Some digital wireless radio products may interfere with some hearing aids In the event of such interference you may want to consult your hearing aid manufacturer to discuss alternatives Other Medical Devices If you us...

Страница 11: ...ith great force If a portable radio is placed in the air bag deployment area and the air bag inflates the radio product may be propelled with great force and cause serious injury to occupants of vehicle NOTE The areas with potentially explosive atmospheres referred to above include fueling areas such as below decks on boats fuel or chemical transfer or storage facilities areas where the air contai...

Страница 12: ...sure to radio frequency electromagnetic energy is within the guidelines set forth in the above standards The antenna must be mounted outside the building Mount the antenna on a tower if at all possible If the antenna is to be mounted on a building then it must be mounted on the roof As with all fixed site antenna installations it is the responsibility of the licensee to manage the site in accordan...

Страница 13: ... for guidance purposes only In instances where the product is covered under a return for replacement or return for repair warranty a check of the product should be performed prior to shipping the unit back to Motorola This is to ensure that the product has been correctly programmed or has not been subjected to damage outside the terms of the warranty Prior to shipping any radio back to the appropr...

Страница 14: ...er Care Centre Tel 49 6128 70 2618 Please use these numbers for repair enquiries only 2 4 Parts Identification and Ordering Request for help in identification of non referenced spare parts should be directed to the Customer Care Organisation of Motorola s local area representation Orders for replacement parts kits and assemblies should be placed directly on Motorola s local distribution organisati...

Страница 15: ... Repair Operations Telephone 7 095 785 01 89 Italy Ugo Gentile Telephone 39 0 2822 0325 Fax 39 0 2822 0334 Email C13864 email mot com Scandinavia Telephone 46 8 735 9282 Fax 46 8 735 9280 Email TCW275X email mot com Middle East Africa Ralph Schubert Telephone 33 0 4 4230 5887 Fax 33 0 4 4230 4784 Email ralph schubert motorola com Central Europe Germany Benelux Austria Switzerland Customer Connect ...

Страница 16: ...xample MDM25KHC9AN1AE Type of Unit Model Series Freq Band Power Level Physical Packages Channel Spacing Protocol Feature Level Model Revision Model Package MD M 25 K VHF 136 174MHz H 1 25W C GM140 GM340 GM640 9 Program mable AN Conventional 5 Tone 1 GM140 GM340 GM640 A E R UHF 1 403 470MHz K 25 40W 40 60W N GM380 GM1280 AA Conventional MDC O Databox 5Tone S UHF 2 450 527MHz F GM160 GM360 GM660 CK ...

Страница 17: ...yl alcohol 70 by volume 1 Cleaning External Plastic Surfaces The detergent water solution should be applied sparingly with a stiff non metallic short bristled brush to work all loose dirt away from the radio A soft absorbent lintless cloth or tissue should be used to remove the solution and dry the radio Make sure that no water remains entrapped near the connectors cracks or crevices 2 Cleaning In...

Страница 18: ...rts should be used If the identical replacement component is not locally available check the parts list for the proper Motorola part number and order the component from the nearest Motorola Communications parts center listed in the Piece Parts section of this manual Rigid Circuit Boards The family of radios uses bonded multi layer printed circuit boards Since the inner layers are not accessible so...

Страница 19: ...he pads To replace a chip component using a soldering iron 1 Select the appropriate micro tipped soldering iron and apply fresh solder to one of the solder pads 2 Using a pair of tweezers position the new chip component in place while heating the fresh solder 3 Once solder wicks onto the new component remove the heat from the solder 4 Heat the remaining pad with the soldering iron and apply solder...

Страница 20: ...b the part with a pair of tweezers and turn off the vacuum pump 9 Remove the circuit board from the R1070 circuit board holder To replace the shield 1 Add solder to the shield if necessary using a micro tipped soldering iron 2 Next rub the soldering iron tip along the edge of the shield to smooth out any excess solder Use solder wick and a soldering iron to remove excess solder from the solder pad...

Страница 21: ...ply Voltage for Digital Circuitry 9V3 Regulated 9 3V Supply Voltage 9V3FLT Filtered 9 3V Supply Voltage A 13 2V Supply Voltage ADDR P Address Lines AN Analog Lines to Analog to Digital Converter ANALOG INPUT 2 External Keypad Matrix Column Signal ANALOG INPUT 3 External Keypad Matrix Row Signal BATTERY VOLTAGE Battery Voltage Sense Line BL A GREEN Back Light Anode Green BL A RED Back Light Anode R...

Страница 22: ... Row Signal EXT MIC External from Accessory Connector Microphone Input EXT SWB External Switched 13 2V Supply Voltage F1200 Interrupt Line from ASFIC CMP FECTRL 1 Control Voltage for Front End Filter FECTRL 2 Control Voltage for Front End Attenuator Switch FLASH CE Flash Chip Select FLASH OE Flash Output Enable FLAT RX SND Option Board Audio Output Signal FLAT TX RTN Flat TX Input from Option Boar...

Страница 23: ...ck In Data Out LVZIF CS LVZIF Chip Select not used MIC Microphone Input MISO Serial Peripheral Interface Receive Line MODIN Modulation Signal into the Synthesizer MOSBIAS 2 PA Bias Voltage for second Stage MOSBIAS 3 PA Bias Voltage for third Stage NOISE BLNKR Noise Blanker Enable Low Band only ON OFF CONTROL Service Request Line from Control Head Manual Switching On of the Radio s Voltage Regulato...

Страница 24: ...l TEMP SENSE Temperature Sense Line for LCD TEMPSENSE Temperature Sense Line from PA to P TRB TX RX VCO Switch Signal TX AUD RTN Option Board Output to Transmit Audio Path TX AUD SND Microphone Audio to Option Board TXINJ RF Signal from the VCO into the Transmitter PA U DRIVER Supply Voltage for PA Driver U PREDRIVER Supply Voltage for PA Pre driver UNSW 5V Permanent 5V Supply URX SND Filtered Aud...

Страница 25: ...icrophone Path VS RAC Voice Storage Row Address Clock Signal VSF Voltage Super Filtered 5V VSTBY 5V Supply for P when the Radio is switched off 4 LAYER CIRCUIT BOARD DETAIL VIEWING COPPER STEPS IN PROPER LAYER SEQUENCE LAYER 1 L1 LAYER 2 L2 LAYER 3 L3 LAYER 4 L4 INNER LAYERS SIDE 1 SIDE 2 ...

Страница 26: ...2 10 MAINTENANCE ...

Страница 27: ...munications between radio and computer s serial communications adapter HLN8027_ Mini UHF to BNC Adaptor Adapts radio antenna port to BNC cabling of test equipment GPN6133_ Power Supply Provides the radio with power when bench testing EPN4040_ Wall Mounted Power Supply Used to supply power to the RIB UK EPN4041_ Wall Mounted Power Supply Used to supply power to the RIB Euro 8180384J59 Housing Elimi...

Страница 28: ...requency deviation meter and signal generator for widerange troubleshooting and alignment R1072_ Digital Multimeter AC DC voltage and current measurements R 1377_ AC Voltmeter 100µV to 300V 5Hz 1MHz 10Megohm input impedance Audio voltage measurements WADN133 Delay Oscilloscope 2 Channel 40MHz bandwidth 5mV cm 20 V cm Waveform measurements R1440_ 0180305F17 0180305F31 0180305F39 RLN4610 T1013_ Watt...

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