Motorola GM Series, Installation Manual

Page 1: ...Professional Radio GM Series Radio Installation Manual 68P64112B30 Issue July 2000 ...

Page 2: ...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...

Page 3: ... Committee for Electrotechnical 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 To assure optimal radio performance and that human exposure to radio frequency electromagnetic energy i...

Page 4: ...king modulator unit refer to the vehicle service manual or contact a dealer for the particular make of the vehicle 2 If the braking modular unit is located on the left side of the vehicle install the radio on the right side of the vehicle and conversely 3 Route all radio wiring including the antenna transmission line as far away as possible from the braking modular unit and associated braking syst...

Page 5: ...ed properly to a sudden panic stop while NOT speaking into the microphone 10 Repeat Step 9 except do so while speaking into the microphone 11 Repeat Steps 9 and 10 except use a vehicle speed of 50 kilometres 30 miles per hour OPERATIONAL WARNINGS Potentially explosive atmospheres Blasting caps and areas WARNING For radios installed in vehicles fuelled by liquefied petroleum gas refer to the U S Na...

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Page 7: ...tallation Procedure 1 6 4 4 Completing the Installation 1 7 5 0 Installation Options 1 9 5 1 Radio Mounting in Dashboard 1 9 5 2 External Speaker Installation 1 10 5 3 Remote Control Head Installation 1 11 6 0 Accessory Connections 1 13 6 1 Accessory Connector Pin Functions 1 13 Chapter 2 REDUCING NOISE INTERFERENCE 1 0 Introduction 2 1 1 1 Noise Sources 2 1 1 2 Radiated Noise 2 1 1 3 Conducted No...

Page 8: ...viii 4 4 Voltage Regulator Noise 2 11 4 5 Hood and Trunk Lid Noise 2 11 4 6 Other Electrical Noises 2 12 4 7 Wheel Static 2 12 4 8 Ground Bonding 2 12 ...

Page 9: ...3 Verify that there will be sufficient space around the mobile unit for air flow and installation 4 Check that there is enough routing space for the power cable connector and the antenna coaxial cable 5 Plan the best place to run connections to minimize pinching crushing and overheating of wires and cables 2 0 DC Power Cable Installation 2 1 Planning the Power Cable Installation The 3 metres 10 fe...

Page 10: ...cle feed the red and black leads without the lugs attached through the access hole and into the engine compartment See Figure 1 1 Power Cable Routing into the Engine Compartment Table 1 1 Power Cables Number Description Rating HKN4137_ Low power cable to battery 1 25W 15A fuse 14 AWG 3m HKN4191_ High Power Cable to battery 25 45W 20A fuse 12 AWG 3m CAUTION Improper handling with the power cable ma...

Page 11: ...onnect the red lead ring lug from the fuse holder to the positive battery terminal Make sure the adapter cable is connected to the main power cable red lead Carefully check that all connections are proper Insert the fuse into the fuse holder and close the cover See Figure 1 2 Power Cable Assembly NOTE Locate a good vehicle ground point The vehicle frame provides the best ground Optimum radio perfo...

Page 12: ...g the trunnion on the transmission hump be careful that the transmission housing is not affected 2 Use the trunnion mounting bracket as a template to mark the hole positions on the mounting surface Use the innermost three holes for a curved mounting surface such as the transmission hump and the three outermost holes for a flat surface such as under the dash 3 Center punch the spots you marked and ...

Page 13: ... attached 4 Rotate the control head and fold the flex circuit to align it to the new position 5 Push the control head into the housing until the protruding tabs snap into place 4 0 Antenna Installation 4 1 Mobile Radio Operation and EME Exposure Observe the following caution and electromagnetic energy exposure EME statements when installing antennas To assure optimal radio performance and that hum...

Page 14: ...osite to the braking modulator box This minimizes radio interference to the modulator box from the radio 6 Motorola offers a glass mount antenna as an accessory It is usually mounted on the rear window This antenna should be placed as high as possible on the vehicle Ensure that a rear window defogger element does not touch the inductive button on the mounting foot of the antenna 7 Make sure the mo...

Page 15: ...e end of its cord Plug the microphone into the control head connector 3 To complete your radio installation plug the power cable into the radio power connector See Figure 1 4 Connections to the Back of Radio Figure 1 4 Connections to the Back of Radio Antenna Connector To Battery via Fuse F1 red Power Connector Vehicle Chassis Ground black Accessory Connector Kit FL0830249 O ...

Page 16: ...sh Mounting Bottom Tab BELOW DASH MOUNTING Mounting Surface Mounting Surface Tab Thumb Screw 2 TRANSMISSION HUMP MOUNTING Tab Thumb Screw 2 Sheet Metal Screws Trunnion Mounting Bracket Trunnion Mounting Bracket 1 84 46mm 2 92 73mm 2 92 73mm 1 84 46mm 1 12 28mm FL0830250 O ...

Page 17: ...o in the Frame 1 Provide the electrical connections to the radio for power antenna and accessories as shown in Figure 1 4 Connections to the Back of Radio 2 Plug in all the connectors and push the radio firmly into the mounting frame until the two springs snap into place NOTE 1 The tabs are easily bent back by twisting a large flat bladed screwdriver in the slot behind the tabs 2 For a more secure...

Page 18: ...cation 5 Mount the trunnion bracket with the screws supplied See Figure 1 7 Mounting the Speaker Under the Dashboard 6 Insert the speaker into the trunnion bracket and tighten the two wing screws 7 Insert the external speaker accessory plug into the accessory connector of the radio NOTE 1 The fixing tabs should be checked for tightness each time the radio is removed The tabs are easily tightened b...

Page 19: ...d onto the Remote Back Housing until ALL the tabs snap into place 5 3 3 To Assemble the Remote Front Housing 1 Connect the flex from the Remote Front Housing to the top small connector in the Transceiver 2 Press the Remote Front Housing onto the Transceiver chassis until the chassis tabs snap into place NOTE 1 To minimise cosmetic damage disassemble from the bottom side label side 2 The Controlhea...

Page 20: ...ng until it snaps into place 6 Snap the assembly into the bracket 7 Adjust the assembly as required then fix it in position with the wing screws supplied Table 1 3 Associated Components Item Description Part Number 1 Wingscrews 0305760W02 2 Remote Bracket 0764275B01 3 Remote Back Housing GM380 GM1280 Remote Back Housing GM340 GM360 GM640 GM660 1564268B01 1564269B01 4 Remote PCB 2 off per kit GLN73...

Page 21: ... This is a digital input only and the primary use for this pin is external PTT This pin must be used if fast DATA PTT is required See Note 1 4 Digital Out 2 This is a digital output only and the primary use for this pin is as an external alarm output See Note 3 5 Flat_TX_Audio NPD Data Out This input is intended for injecting signals into the transmit path that should not be filtered for example t...

Page 22: ...s a mechanical switch so the software will always debounce this input 15 RSSI This is an analog output which indicates the strength of the received signal 16 External Speaker Positive output of radio s audio PA see Pin 1 17 Bus This pin is used for flashing and for programming the radio 18 Boot Control To enter Boot Mode this line must be connected to ground when the radio is switched on 19 Reserv...

Page 23: ...e the radio 18 16 14 12 10 17 15 13 11 9 7 5 3 1 19 8 6 4 2 20 86 85 87 30 12V Ext Alarm 4 86 85 87 30 12V Ext Alarm 4 12V 12V SWB 13 4A 12V Ignition 10 1 16 GND 7 MIC 2 PTT 3 GND 7 Emergency 9 12k GND 7 Alarm Relay Alarm Relay GKN6272 External Alarm Relay and Cable RSN4001 Speaker 13W HSN8145 Speaker 7 5W RMN4027 Visor mounted Microphone RLN4856 Footswitch w Remote PTT RLN4857 Pushbutton w Remote...

Page 24: ...1 16 INSTALLATION ...

Page 25: ...se another noise source remains active at a barely discernible difference in level Consult a service manual for the vehicle to determine what noise reduction provisions the manufacturer applies when AM AM FM or CB radios are installed as original equipment These radios are also subject to electrical noise interference and the manufacturer may install noise suppression components only upon those ve...

Page 26: ...otors and generators also produce arcs 1 3 Conducted Noise Conducted noise enters the radio through the points where the radio is attached to the vehicle s electrical system such as battery cables ignition switch chassis ground etc It can be generated by electrical transients electrical motors poor grounding points or inadequate electrical system filtering from alternators generators voltage regul...

Page 27: ...eration of an automobile ignition system Ignition is necessary in a gasoline engine to ignite the gasoline vapor and the air mixture in its cylinders The system is made up of the battery distributor breaker points coil condenser and spark plugs The battery is the only electrical source of power in an automobile so the lower battery voltage must be stepped up to the high voltage necessary to arc ac...

Page 28: ...he coil secondary causes a spark across the distributor rotor to spark plug wire gap and then across the spark plug gap for a short interval of time when the breaker points open The condenser reduces arcing of the points The secondary circuit of the ignition coil including the distributor rotor gap and the spark gap is the main source of ignition interference The lead inductance and stray capacita...

Page 29: ...pass capacitor which has alligator clips firmly attached can be used on a trial and error basis to locate wiring which needs additional filtering Keep capacitor lead lengths short for best suppression Ceramic disc capacitors are not as suitable or effective as automotive coaxial capacitors See Figure 2 3 TLN8845_ Noise Reduction Kit for Alternator Equipped Vehicles and Figure 2 4 TLN6252_ Noise Re...

Page 30: ...apacitors and the generator filed suppressor assembly are grounded properly This may require bonding straps for proper bypass capacitor effectiveness 2 Items not supplied in kit See auto parts dealer FL0830263 O 1 2 3 4 5 6 1 4 1 4 FL0830263 O Reference Quantity Motorola Description Number Part Number 1 3 0100839913 Lead Lug Assembly 2 1 0180700A88 Lead Lug Assembly 3 1 0882571B02 Capacitor Coaxia...

Page 31: ...l These sources will need to be attacked piecemeal on a trial and error basis alternator whine voltage regulators electric fuel pump and other possible sources Remember that induced noise can result from radio wiring being too close to other vehicle wiring This problem is most easily solved by proper cable routing at the time of installation Radiated noise must be attacked after conducted and indu...

Page 32: ...hicles show the contents of the kits and their usage Motorola also offers wheel static collectors Motorola Part No 0100534254 regular type and 0100563173 small type Use of these items are described in section 4 7 Wheel Static on page 12 Most auto parts dealers can supply 0 05 µF bypass capacitors condensers resistive ignition wires and resistor spark plugs The type of spark suppression used in noi...

Page 33: ...esired the radio power leads may be connected to the battery through a relay which is controlled by the ignition switch 4 3 Alternator Generator Whine This type of interference is characterized by a high pitched whine which varies with engine speed A 0 5 µF coaxial capacitor Motorola Part No 0882571B01 can be used to bypass the whine For generators the capacitors is connected in the armature lead ...

Page 34: ...ution Do not connect capacitor to field teminal Step 2 Disconnect wire dashed from armature post and connect to capacitor using lockwasher and nut FL0830310 O Step 1 Mount Capacitor to 0 5µF Coaxial Type under alternator ground screw Step 2 Disconnect wire from battery post and connect to capacitor using lockwasher and nut Step 3 Connect wire lead to capacitor using lockwasher and nut Step 4 Conne...

Page 35: ...s This friction causes static electricity to build up until arcing occurs This type of noise is suppressed using a Motorola Hood Wipers and Mounting Hardware Kit part of TLN8845_ or TLN6252_ Noise Reduction Kits which provides electrical bonding of the hood or trunk to the vehicle body while permitting them to be opened CAUTION Disconnect the battery ground terminal before attempting to connect co...

Page 36: ...ings Motorola Part No 0100534254 regular type 0100653173 small type 4 8 Ground Bonding If a vehicle is not properly bonded to ground static charges can increase This increase can cause noise from electrical arcing This type of noise is suppressed by bonding the part using one inch wide ground straps keep them as short as possible Some common points where bonding may be helpful are listed below see...