Motorola CDM1250 Service & Installation Manual Download | Manualshive

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6880309N15-A

October, 2004

Introduction to the CDM Control Station

CDM Control Station

Preventive Maintenance

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Summary of Contents for CDM1250

Page 1: ...Professional Series Two Way Radio Service Installation Manual CDM Series Control Station ...

Page 2: ... the SOFTWARE MOTOROLA SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF THIS SOFTWARE With respect to the U S Government if acquired under FAR policy 52 227 19 the SOFTWARE is provided with Restricted Rights and if acquired under DFARS policy 227 7202 then the SOFTWARE is provided only with the commercial rights of this Agreement This license is effective until t...

Page 3: ...bility 1 Physical Description 1 CDM Control Station Housing 1 CDM Control Station Fan Assembly 1 CDM Control Station Power Supply 1 CDM Control Station Interface Circuit Boards 2 Cables 2 Preventive Maintenance 3 Visual Inspection 3 Periodic Cleaning 3 Section 2 CDM Control Station Operation Overview 1 General Description 1 Performance 1 General Specifications 1 Control Functions and Indicators 1 ...

Page 4: ...udio Levels 1 Additional Considerations 2 Radio Control Head Speaker 2 Radio Programming Parameters 2 Desk Microphone 2 Basic Disassembly Assembly 2 Disassembling the CDM Control Station Housing 2 Removing the Housing Cover 2 Disassembling the Inner Chassis 2 Assembling the CDM Control Station Housing 3 Installing the Radio 3 Installing the Ground Stud 3 Connecting the Power Supply 3 Attaching the...

Page 5: ...rnment for licensing rules NOTE In the United States of America the CDM Series radios may not legally be used as the transmit radio in a UHF 450 to 512 MHz repeater or base station application with 12 5 kHz channel spacing The 2 5 ppm fre quency stability capability of the radio does not meet the requirements of part 90 of the Rules and Regulations of the Federal Com munications Commission FCC In ...

Page 6: ... CDN6288A Noise Canceling over the ear CDN6285A Over the ear w rear ear support for greater stability CDN6292A Noise canceling over the ear w rear ear support for greater stability CDN6287A Dual Ear CDN6294A Noise canceling dual ear Antennas RDD4527 150 158 MHz VHF 3 dB Gain RDE4556 450 470 MHz UHF 3 8 dB Gain General Accessories RRX4025 Type N Connector Coaxial In line Arrestor RRX4032 Tower Moun...

Page 7: ...R2001 Service Monitor This monitor will substitute for items with an asterisk Frequency deviation meter and signal genera tor for wide range troubleshooting and align ment R1049 Digital Multimeter Two meters recommended for ac dc voltage and current measurements S1100 Audio Oscillator 67 to 200 Hz tones Used with service monitor for injection of PL tones S1053 SKN6009 SKN6001 AC Voltmeter Power Ca...

Page 8: ...vi 6880309N15 A October 2004 Foreword CDM Control Station Test Equipment ...

Page 9: ...bile Radio Compatibility The CDM Control Station was designed to incorporate the CDM750 CDM1250 or CDM1550 mobile radios Physical Description The following paragraphs describe the physical characteris tics of the Control Station CDM Control Station Housing CDM Control Station Fan Assembly CDM Control Station Power Supply CDM Control Station Interface Circuit Boards CDM Control Station Housing The ...

Page 10: ... mobile antenna kits Do not use RG58A U as the coaxial cable that connects the antenna con nector of the Control Station to the antenna The rather small size of the RG58A U can introduce excessive losses in the system that will decrease the effective range of the Control Station Substitute RG400 U for short lengths and RG214 U or 1 2 inch hardline for the longer lengths If the hardline is used con...

Page 11: ...y clean smudges and grime from the exterior housing Use a soft non abrasive cloth moistened in a mild soap and water solution Rinse the surface using a second cloth moistened in clean water and clean any dirt or debris from the fan grill type N male connector 2884476G01 type N 1 2 hardline male TDN6677 type N 1 2 hardline female TDN6678 RG58A U coaxial cable 3000475378 RG400 U coaxial cable 308417...

Page 12: ...1 4 6880309N15 A October 2004 Introduction to the CDM Control Station CDM Control Station Preventive Maintenance ...

Page 13: ... the following sources front panel Transmit but ton desk microphone PTT headset PTT or PTT from an accessory device The Transmit LED located above the Transmit button on the front panel is illuminated whenever the transmitter is keyed in this manner Monitor Before transmitting the selected channel should be checked for co channel activity by using the Monitor function RX squelch is disabled when M...

Page 14: ...isabled by switch programming Volume of radio RX audio is adjustable using the control knob on the mobile s control head Volume of the accessory intercom transmit audio is adjustable via a pot located on the back panel of the inner chassis Headset volume of radio RX audio is adjustable via a pot located on the back panel of the inner chassis NOTE Accessory parallel audio is routed only to the spea...

Page 15: ...trol Station is configured by default to use a desk microphone DIP switch 6 should be in the ON position Headset The Control Station can be configured to operate with a headset DIP switch 7 should be in the ON position Internal Microphone The Control Station comes equipped with an internal microphone intended for use in low noise environ ments The local microphone is active anytime the front panel...

Page 16: ...2 4 6880309N15 A October 2004 CDM Control Station Operation CDM Control Station Operator Instructions ...

Page 17: ...io port This feature is to enable Intercom for desk sets that are not equipped with the ability to monitor TX audio Switch 4 Mute Accessory RX Audio During Intercom When switch 4 is on radio RX audio to the accessory RX Audio line will be muted during Intercom pushing the front panel Intercom button Switch 5 Intercom Audio From Local Mic When switch 5 is on the selected mic source for base station...

Page 18: ...ontrol circuitry installed To install the radio and configure the unit the Con trol Station may have to be completely disassembled With the Control Station disassembled you can begin to install the radio and configure the Interface Module before reassembling the housing Before beginning installation remove all items from the packing container and check them against the items refer enced in one of ...

Page 19: ...he control head is positioned in the opening The inner chassis uses a slotted hole that allows the installer to adjust depth of the radio in the chassis 2 If you are installing the optional Internal RF Cable order part number 3080517U10 3 Remove the nut and lockwasher from the cable 4 Insert the type N female bulkhead connector into the Antenna D hole located on the enclosure back panel beneath th...

Page 20: ...nd ensure all cables are inside of the unit 4 Using a T15 Torx driver secure the cover to the base with the six 6 TT 3 5mm pan head Taptite screws removed in Step 3 Removing the Housing Cover Field Installation To operate the Control Station the AC line cord antenna feed line ground cable and optional accessory cable must exit from the rear of the unit In addition you must connect all of the neces...

Page 21: ...tation 1 9 0180305K03 ASSEMBLY PCB Key Panel CDM 1 Control Station 10 7580384N51 ASSEMBLY Speaker 1 11 0180305K04 ASSEMBLY PCB Interface Module 1 CDM Control Station 12 01 80557U01 FAN with Connector 1 13 13 83852R01 GRILLE Fan 1 14 3080517U10 RF CABLE Internal Mini UHF Male to 1 N Bulkhead Female 15 inches 15 42 85866M01 CLIP Thermal Switch 1 16 30 80137S02 CABLE Internal Radio Interface 1 17 30 ...

Page 22: ...E Housing CDM Control Station 1 7 0180305K02 ASSEMBlY PCB Audio Panel CDM 1 Control Station 8 75 80384N51 KEYPAD CDM Control Station 1 9 0180305K03 ASSEMBLY PCB Key Panel CDM 1 Control Station 10 7580384N51 ASSEMBLY Speaker 1 11 0180305K04 ASSEMBLY PCB Interface Module 1 CDM Control Station 12 01 80557U01 FAN with Connector 1 13 13 83852R01 GRILLE Fan 1 14 3080517U10 RF CABLE Internal Mini UHF Mal...

Page 23: ...justment Speaker audio is muted by signal SPMUTE U6 pin 5 during PTT or during an accessory transmit if switch 8 is on Constant level receiver audio from the radio P3 pin 11 is routed to the accessory device through amplifiers U2C and U5 It is also routed to the headset earpiece through POT3 and amplifier U7A B Digital functions Mic Selection The headset mic is enabled whenever headset PTT is acti...

Page 24: ...4 2 6880309N15 A October 2004 CDM Control Station Theory of Operation CDM Control Station Digital functions ...

Page 25: ...ordingly Interface Module settings on pages 3 1 and page 3 12 Desk Mic does not provide Intercom audio The desk mic must have a jumper in stalled to allow proper operation Desk Microphone on page 3 2 Receive Audio is distorted Ensure that Accessory Configuration RX Audio on the radio is set for Fil tered Audio Radio Programming Parameters on page 3 2 Unable to communicate with field ra dios Ensure...

Page 26: ...5 2 6880309N15 A October 2004 CDM Control Station Troubleshooting CDM Control Station ...

Page 27: ...0KP R41 C13 22pF G5_ONHI G8_ONHI CONRXAUD 600 mVRMS Reference Filtered Audio SPMUTE R53 100 1uF C20 100KP R34 100KP R26 ICLVLCONT MIC SUM G1_ONHI 1 2 3 4 L1 R54 1 R55 1 470 16V C 23 5VA 100KP R64 B C18 1 AGND 1M R46 R66 100KP 100KP R63 1 W into 8 Ohms 2 8VRMS 220 25V C29 C10 1 DMICHI ACC MIC AUD D1 1N4148W 1M R30 1 IO 2 IO 13 CTRL U4 A 4066 C8 1 AGND 220K R17 4 IO 3 IO 5 CTRL U3 B 4066 3 2 1 U1 A ...

Page 28: ...LIC C35 1 SUPERON 3 4 U9 B ACPTT 10V ACCMON 100KP R69 1 2 U8 A 4 7K R124 DSMON DSKPTT 1 2 U11 A HSPTT 11 10 U9 E C41 1 HS_SNS DGND D28 1N4148W 3 4 U11 B 10V LCLPTT 10V D22 1N4148W HS_SNS 10V 3 4 U10 B D17 1N4148W HS_SNS 10V D13 1N4148W 10V 1 2 U10 A G7_ONHI G8_ONHI DGND 10V G6_ONHI G5_ONHI D30 1N4148W G4_ONHI D27 1N4148W G3_ONHI D18 1N4148W G2_ONHI G1_ONHI AUDIO GATING FUNCTIONS TO SHEET 1 AGND B ...

Page 29: ...1 P3 9 P3 7 P3 5 P3 4 P3 2 P3 16 SW_BAT SW_BAT PGND TXAUD EXTSPKR2 ACCAUDGND ACMICH ACC_RX P4 15 P4 13 P4 12 P4 11 P4 9 P4 7 P4 5 P4 4 P4 2 P4 16 P4 1 P3 14 P3 10 P3 8 P3 6 P3 3 P3 1 IGN_DET CONRXAUD RXMON TXPTT EXTSPKR1 ACCPTT ACCMON P4 14 P4 10 P4 8 P4 6 P4 3 R117 1KP R113 1KP P2 10 P2 11 P2 9 P2 8 P2 6 P2 5 P2 3 P2 2 CBL2 11 CBL2 10 CBL2 8 CBL2 9 CBL2 6 CBL2 5 CBL2 3 CBL2 2 R116 1KP RED LED2 P2...

Page 30: ...4 6880309N15 A October 2004 CDM Control Station Circuit Board Details CDM Control Station Audio Panel CSAP CDM Control Station Key Panel CSKP CDM Control Station Interface Module CSIM ...

Page 31: ......

Page 32: ...ogo are registered in the U S Patent and Trademark Office All other product or service names are the property of their respective owners Motorola Inc 2004 All rights reserved Printed in U S A Motorola Inc 8000 West Sunrise Boulevard Ft Lauderdale FL 33322 ...

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