Motorola CDM1250 Basic Service Manual Download

Page: 29 / 92

&'0/6DQG&'0/6

5DGLR&HDG([SORGHG0HFKDQLFDO9LHZDQG3DUWV/LVW

,WHP

0RWRUROD3DUW1XPEHU

'HVFULSWLRQ

+/1$

/DEHO&0'/6

+./1$

/DEHO&'0/6

&'0/6

9+)/DEHO

+RXVLQJ)URQW

.H\SDG

3LQ0LFURSKRQH-DFN

.QRE9ROXPH

3RWHQWLRPHWHU

*/1$

3&%

%DFN+RXVLQJ

,QFOXGLQJ*URXQG&OLS

,QFOXGLQJ2ULQJ

/&'*ODVV

)UDPH/&'

&RQQHFWRU(ODVWRPHULF

7XEH6SHDNHU

6SHDNHU

)OH[3RVLWLRQ&RQQHFWRU

QRWVKRZQ

3OHDVHUHIHUWRVHFWLRQRQSDJHLQ&KDSWHU

$FFHVVRULHVIRUDFRPSOHWHOLVWRISDUWQXPEHUVIRU

.H\SDG%XWWRQV

:KHQXVLQJQHZ%DFNKRXVLQJ%IRU

&HDG*&1$ZLWK3&%*/1$

%WKHJURXQGLQJFOLSVPXVWEH

UHPRYHG

6SHDNHUDQG7XEHDUHJOXHGWRJHWKHUXVLQJ

VHOIDGKHVLYHPDWHULDO,IUHSODFHPHQWLVUHTXLUHGLW

LVUHFRPPHQGHGWKDWERWKSDUWVDUHRUGHUHG

ZWG0130200-P1

Summary of Contents for CDM1250

Page 1: ...CDM Series Professional Series Two Way Mobile Radio Basic Service Manual ...

Page 2: ......

Page 3: ...CDM Series Professional Series Two Way Mobile Radio Basic Service Manual Motorola Inc 8000 West Sunrise Boulevard Fort Lauderdale Florida 33322 6881091C62 D ...

Page 4: ... 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 license to use that arises by operation of law in the sale of a product Document Copyrights No...

Page 5: ...adio Model Information 1 4 Chapter 2 Maintenance 2 1 2 1 Introduction 2 1 2 2 Preventive Maintenance 2 1 2 2 1 Inspection 2 1 2 2 2 Cleaning Procedures 2 1 2 3 Safe Handling of CMOS and LDMOS Devices 2 2 2 4 Repair Procedures and Techniques General 2 2 2 5 Disassembling and Reassembling the Radio General 2 3 2 6 Radio Disassembly Detailed 2 3 2 6 1 Control Head Removal 2 3 2 6 2 Top Cover Removal ...

Page 6: ... Parts List 2 15 2 11 CDM1550 Radio Control Head Exploded Mechanical View and Parts List 2 16 2 12 CDM1550 LS and CDM1550 LS Radio Control Head Exploded Mechanical View and Parts List 2 17 2 13 Service Aids 2 19 2 14 Test Equipment 2 20 2 15 Programming Test Cable Configuring and Wiring 2 21 Chapter 3 Transceiver Performance Testing 3 1 3 1 General 3 1 3 2 Setup 3 1 3 3 RF Test Mode 3 2 Chapter 4 ...

Page 7: ...End Filter Tuning 4 12 4 5 2 Rated Volume Tuning 4 15 4 5 3 Squelch Tuning 4 16 Chapter 5 Power Up Self Test 5 1 5 1 Error Codes Conventional Radios 5 1 5 2 CDM1550 LS PassPort Tone Options 5 2 5 3 CDM1550 LS Special Diagnostic Functions 5 3 5 4 CPS PPCPS Programming Setup 5 4 Chapter 6 Accessories 6 1 6 1 Accessories 6 1 6 1 1 Antennas 6 1 6 1 2 Mounting 6 2 6 1 3 Remote Mount 6 2 6 1 4 Loudspeak...

Page 8: ...nventional LTR 7 3 7 4 UHF 450 512 MHz Conventional LTR 7 3 7 5 UHF 403 470 MHz Conventional LTR PassPort 7 4 7 6 UHF 450 512 MHz Conventional LTR PassPort 7 5 7 7 LowBand 29 7 36 MHz 7 6 7 8 LowBand 36 42 MHz 7 6 7 9 LowBand 42 50 MHz 7 7 7 10 VHF 136 174 MHz 7 8 7 11 VHF 136 174 MHz LTR and PassPort 7 9 7 12 Specifications 7 10 Glossary Glossary 1 ...

Page 9: ... time and the following subsections are 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...

Page 10: ...d as Depot ONLY The part is available from the Customer Care and Services Division No part number is assigned The part is not normally available from Motorola The part number is appended with an asterisk The part is serviceable by a Motorola Depot only A parts list is not included Generally no user serviceable parts are available for that kit or assembly The Customer Care and Services Division CCS...

Page 11: ...butor in resolving any malfunction which may be encountered For service contact the Service Depot in your area If your area does not have a depot please contact your Business Development Manager Distributor or contact Motorola Technical Support When contacting Motorola Technical Support keep the product model number and the unit s serial number handy For service contact one of the following Depots...

Page 12: ...of Unit Model Series Freq Band Power Level Physical Packages Channel Spacing Protocol Feature Level Model Revision Model Package AA M 25 K VHF 136 174MHz H 1 25W A No Display No Keypad 9 AA 1 4 Chan A N R UHF1 403 470MHz K 25 40W C No Display Basic Key pad DU LTR 2 64 Chan S UHF2 450 512MHz D 1 Line Display Limited Keypad DP PassPort 5 128 Chan B Low Band R1 29 7 36 0MHz F 1 Line Display Standard ...

Page 13: ...isual inspection reveals the presence of smudges grease and or grime The only recommended agent for cleaning the external radio surfaces is a 0 5 solution of a mild dishwashing detergent in water The only factory recommended liquid for cleaning the printed circuit boards and their components is Isopropyl alcohol 100 by volume Cleaning External Plastic Surface Apply the 0 5 detergent water solution...

Page 14: ... supply of alcohol and a clean container to prevent contamination by dissolved material from previous usage CAUTION This radio contains static sensitive devices Do not open the radio unless you are properly grounded Take the following precautions when working on this unit l Store and transport all CMOS devices in conductive material so that all exposed leads are shorted together Do not insert CMOS...

Page 15: ...y particular attention to the snaps and tabs and how parts align with each other The following tools are required for disassembling the radio l Small flat blade screwdriver l TORX T20 screwdriver l Dismantling Tool If a unit requires more complete testing or service than is customarily performed at the basic level send the unit to a Motorola Authorized Service Center See Chapter 1 Introduction for...

Page 16: ...on Removal 4 Remove the flexible connection from the socket on the control head board 2 6 2 Top Cover Removal 1 Insert the dismantling tool in the middle of the radio assembly side groove as shown in Figure 2 3 2 Press on the dismantling tool until the snap connectors on the side of the cover release from the radio chassis Dismantling Tool Flexible Connection ...

Page 17: ... Removal 2 6 3 Transceiver Board Removal 1 Remove six screws nine for LowBand from the diecast cover using the T20 TORX driver as shown in Figure 2 4 2 Lift the cover from the chassis Figure 2 4 Diecast Cover Removal Dismantling Tool Diecast Cover Screws 6 or 9 Radio Chassis ...

Page 18: ...board up from the radio chassis The transceiver board may stick to the radio chassis as a result of the thermal material that is used between the heat dissipating devices and the radio chassis Con tinue applying an up and down force to the transceiver board until the various components become unstuck and the transceiver board becomes loose enough to remove from the radio chassis 6 Once the transce...

Page 19: ...aining leads on one side of the LDMOS device Once one side of the device leads are soldered continue with the other side while pressing the LDMOS device to the board with the dismantling tool Finish soldering all leads taking care not to cause any shorts to nearby components or shorts across the device leads 6 This step is necessary only if Step 2 from above was required that is if the thermal pad...

Page 20: ...re 2 7 Control Head Board Knob Removal 4 Remove the board from the control head housing by stretching the control head housing and pull ing up on the board as shown in Figure 2 7 and Figure 2 8 5 Remove the keypad from the control head housing by lifting up the rubber keypad Note DO NOT touch or contaminate the conductive pads on the under side of the keypad or the conductive contacts on the print...

Page 21: ...control head CDM750 Figure 2 6 2 Disconnect the speaker socket and remove the speaker Figure 2 9 with tube by stretching the control head housing and pulling out the tube Figure 2 9 Speaker and Speaker Tube Removal 3 Remove the board from the control head housing by stretching the control head housing and pull ing up on the board as described for control head CDM750 Figure 2 8 4 Remove the keypad ...

Page 22: ... housing counter clockwise 5 Align the board with the rubber keypad attached with the control head inserting the on off con trol spindle and accessory connector through the holes in the control head 6 Ensure that the keypad on off control spindle and microphone connector are aligned with the control head then press the board into place until it clicks 7 Insert the speaker and speaker tube with spe...

Page 23: ...ng the die cast cover 5 Replace the die cast cover over the radio chassis making sure the black carbon on the bottom of the pressure pad is positioned properly over the switch printed on the transceiver board 6 Secure the die cast cover to the radio chassis with the nine screws previously removed 7 Torque the nine screws to 17 in lbs 1 9 NM using the T20 TORX driver Tighten the die cast cover scre...

Page 24: ... it is damaged for more information please see the exploded view diagrams and parts list beginning in section 2 9 CDM750 Radio Control Head Exploded Mechanical View and Parts List on page 14 of this chapter 3 Fit the back housing to the control head Ensure that the tags on the back housing align with the snap catch grooves on the control head Press the back housing into place until it snaps into p...

Page 25: ...NHW RYHU 9 RSWLRQDO RQQHFWRU RXVLQJ RSWLRQDO DVNHW FFHVVRU RQQHFWRU SDUW RI LWHP DVNHW RYHU SDUW RI LWHP DVNHW RYHU SDUW RI LWHP DVNHW RYHU RYHU RYHU RYHU RYHU 3ODVWLF RYHU 3ODVWLF RYHU 3ODVWLF 0 6FUHZ 7 DQG 6FUHZ 7 6FUHZ 0 6LOLFRQ 3UHVVXUH 3DG IRU 026 3RZHU HYLFHV SDUW RI LWHP 6LOLFRQ 3UHVVXUH 3DG IRU 026 3RZHU HYLFHV 3DVV3RUW RDUG OH RQWUROOHU H SDG UDPH 2SWLRQ RDUG 5 6FUHZ 77 8 ZWG0130202 B 13 ...

Page 26: ... QRE 9ROXPH RXVLQJ URQW Á H SDG 3LQ 0LFURSKRQH DFN 9 3RWHQWLRPHWHU DFN KRXVLQJ DFN KRXVLQJ 2 ULQJ 1 DEHO 6SHDNHU 1 3 OH 3RVLWLRQ RQQHFWRU Á 3OHDVH UHIHU WR VHFWLRQ RQ SDJH LQ KDSWHU FFHVVRULHV IRU D FRPSOHWH OLVW RI SDUW QXPEHUV IRU H SDG XWWRQV KHQ XVLQJ DFN KRXVLQJ IRU RQWURO HDG 1 ZLWK 3 1 WKH JURXQGLQJ FOLSV PXVW EH UHPRYHG ...

Page 27: ...WRU ODVWRPHULF RQQHFWRU ODVWRPHULF 6SHDNHU OH 3RVLWLRQ RQQHFWRU QRW VKRZQ 3OHDVH UHIHU WR VHFWLRQ RQ SDJH LQ KDSWHU FFHVVRULHV IRU D FRPSOHWH OLVW RI SDUW QXPEHUV IRU H SDG XWWRQV Á KHQ XVLQJ DFN KRXVLQJ IRU RQWURO HDG 1 ZLWK 3 1 WKH JURXQGLQJ FOLSV PXVW EH UHPRYHG 6SHDNHU DQG 7XEH DUH JOXHG WRJHWKHU XVLQJ VHOI DGKHVLYH PDWHULDO I UHSODFHPHQW LV UHTXLUHG LW LV UHFRPPHQGHG WKDW ERWK SDUWV DUH RUGHU...

Page 28: ...RQQHFWRU ODVWRPHULF 7XEH 6SHDNHU 6SHDNHU OH 3RVLWLRQ RQQHFWRU QRW VKRZQ 3OHDVH UHIHU WR VHFWLRQ RQ SDJH LQ KDSWHU FFHVVRULHV IRU D FRPSOHWH OLVW RI SDUW QXPEHUV IRU H SDG XWWRQV Á KHQ XVLQJ QHZ DFN KRXVLQJ IRU RQWURO HDG 1 ZLWK 3 1 WKH JURXQGLQJ FOLSV PXVW EH UHPRYHG 6SHDNHU DQG 7XEH DUH JOXHG WRJHWKHU XVLQJ VHOI DGKHVLYH PDWHULDO I UHSODFHPHQW LV UHTXLUHG LW LV UHFRPPHQGHG WKDW ERWK SDUWV DUH RUG...

Page 29: ...QHFWRU ODVWRPHULF RQQHFWRU ODVWRPHULF 7XEH 6SHDNHU 6SHDNHU OH 3RVLWLRQ RQQHFWRU QRW VKRZQ 3OHDVH UHIHU WR VHFWLRQ RQ SDJH LQ KDSWHU FFHVVRULHV IRU D FRPSOHWH OLVW RI SDUW QXPEHUV IRU H SDG XWWRQV Á KHQ XVLQJ QHZ DFN KRXVLQJ IRU RQWURO HDG 1 ZLWK 3 1 WKH JURXQGLQJ FOLSV PXVW EH UHPRYHG 6SHDNHU DQG 7XEH DUH JOXHG WRJHWKHU XVLQJ VHOI DGKHVLYH PDWHULDO I UHSODFHPHQW LV UHTXLUHG LW LV UHFRPPHQGHG WKDW ...

Page 30: ... ...

Page 31: ...ming Soft ware CPS and Tuner CD ROM Programs customer option and channel data Tunes hardware parameters front end power deviation etc Conventional products AARKN4081 Programming Cable with Inter nal RIB Includes radio interface box RIB capability RLN4853 10 to 20 Pin Adapter Used with RKN4081 AARKN4083 Mobile Programming Test Cable Connects radio to RIB RLN4008 RLN4008 Radio Interface Box Enables ...

Page 32: ...rtnet Sys tems Service Monitor This monitor will substitute for items listed below with an asterisk Frequency deviation meter and sig nal generator for wide range trouble shooting and alignment R1049 Digital Multimeter Two meters recommended for AC DC voltage and current measure ments S1100 Audio Oscillator 67 to 200Hz tones Used with service monitor for injec tion of PL tones S1053 SKN6009 SKN600...

Page 33: ...sory Connector SPEAKER EXTERNAL MIC DIGITAL IN 1 EXT PTT DIGITAL OUT 2 EXT ALARM FLAT TX AUDIO SENSITIVITY DIGITAL IN 3 MPT MAP 27 RX GND DIGITAL IN OUT 4 MPT MAP 27 TX DIGITAL IN 5 w WAKEUP EMG IGNITION FLAT FILTERED RX AUDIO DIGITAL IN OUT 7 SWITCHED BATTERY VOLTAGE DIGITAL IN OUT 8 RSSI SPEAKER BUS FOR CPS AND FLASHING BOOT CONTROL N C N C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AUDI...

Page 34: ...2 22 Service Aids Notes ...

Page 35: ... calibration schedule 3 2 Setup Supply voltage is provided using a 13 2Vdc power supply The equipment required for alignment procedures is connected as shown in the Radio Tuning Test Equipment Setup Diagram Figure 4 4 on page 4 3 Initial equipment control settings should be as indicated in Table 3 1 The remaining tables in this chapter contain the following related technical data Table 3 1 Table C...

Page 36: ...elected blocks all test modes l FPA entry selected and RF TEST not selected blocks RF test mode l FPA entry selected and RF TEST selected enables all test modes Table 3 2 Initial Equipment Control Settings Service Monitor Test Set Power Supply Monitor Mode Power Monitor Spkr set A Voltage 13 2Vdc RF Attn 70 Spkr load Speaker DC On Standby Standby AM CW FM FM PTT OFF Volt Range 10V Oscilloscope Sou...

Page 37: ...r three seconds switches the radio to the control head test mode LCD Test appears on the display 7 Pressing P1 causes the radio to turn on all the dots of the first character Another P1 press turns on all the dots of the next character and so on until the last character character 14 8 Pressing P1 at the end of the LCD test activates the Icon Test The next P1 press turns on the first icon 9 Pressin...

Page 38: ...o tone 192 8Hz 2 Digital Private Line RX unsquelch if carrier and digital code 131 detected TX mic audio digital code 131 3 Dual Tone multiple frequency RX unsquelch if carrie detected TX selected DTMF tone pair 9 MDC1200 HSS RX unsquelch if carrier detected TX 1500Hz tone 5 Unsquelch Open RX constant unsquelch TX mic audio 11 CMP RX if carrier detected TX mic audio 12 LLE RX if detected TX mic au...

Page 39: ...5 37 225 43 125 142 350 414 175 461 675 462 850 TX 3 10 31 025 38 225 44 525 148 625 425 325 473 325 475 650 RX 3 10 31 125 38 325 44 425 148 650 425 350 473 350 475 675 TX 4 11 32 125 39 125 46 125 154 975 436 475 484 975 488 475 RX 4 11 32 225 39 225 46 025 155 025 436 525 485 025 488 525 TX 5 12 33 025 40 225 47 525 161 225 447 650 496 650 501 325 RX 5 12 33 125 40 325 47 425 161 250 447 675 49...

Page 40: ...ms at AC DC test set jack As above As above meter selector to mic Deviation 2 5 kHz Max 12 5 kHz Ch Sp 4 kHz Max 20 kHz Ch Sp 5 kHz Max 20 kHz Ch Sp LowBand 5 kHz Max 25 kHz Ch Sp Voice Modulation internal Mode PWR MON 4th channel test frequency atten to 70 input to RF In Out TEST MODE Test Channel 4 carrier squelch output at antenna Remove modulation input Deviation 2 5 kHz Max 12 5 kHz Ch Sp 4 k...

Page 41: ...ve 4th channel test frequency BW to narrow TEST MODE Test Channel 4 TPL DPL As above Deviation 0 25 0 5 kHz 12 5 kHz Ch Sp 0 4 0 8 kHz 20 kHz Ch Sp 0 5 1 0 kHz 25 kHz Ch Sp Table 3 6 Transmitter Performance Checks Continued Test Name Communications Analyzer Radio Test Set Comment ...

Page 42: ... TEST MODE Test Channel 4 carrier squelch PTT to OFF center meter selector to Audio PA Set volume control to 8 12Vrms Distortion As above except to distortion As above As above Distortion 5 0 Sensitivity SINAD As above except SINAD lower the RF level for 12dB SINAD As above PTT to OFF center RF input to be 0 3µV Noise Squelch Threshold only radios with conventional system need to be tested RF leve...

Page 43: ...ing Setup 4 2 CPS Programming Setup The CPS programming setups shown in Figure 4 1 through Figure 4 3 are used to program the radio Description Kit Number Customer Programming Software CPS CD Includes CPS and PPCPS HVN9025_ Note Refer to the appropriate program on line help files for detailed programming proce dures Figure 4 1 CPS Programming Setup with RIB RIB RLN 4008 Rx Gnd Data Tx Data Cable 3...

Page 44: ...ure 4 3 CPS Programming Setup Cable with Internal RIB and Rear Adapter Cable Power Supply 13 2VDC Programming Cable AARKN4081 Rx Data Gnd Tx Data DB25 Radio DC RF ACC ZWG0130339 0 Programming AARKN4081 Cable Adapter AARLN4853 Cable Rx Data Gnd Tx Data DB25 Radio DC RF ACC Power Supply 13 2VDC ZWG0130340 0 ...

Page 45: ...e Monitor Test Set Power Supply Monitor Mode Power Monitor Speaker set A Voltage 13 2Vdc RF Attenuation 70 Speaker load Speaker DC on standby Standby AM CW FM FM PTT OFF Volt Range 20V Oscilloscope Source Mod Oscilloscope Horizontal 10mSec Div Oscilloscope Vertical 2 5 kHz Div Oscilloscope Trigger Auto Monitor Image Hi Monitor BW Nar Monitor Squelch mid CW Monitor Volume 1 4 CW Current 20A Wattmet...

Page 46: ...ble the PA bias softpot 4 Increase softpot value to obtain Y until Y X is within the range given for PA current in Table 4 3 5 Press Toggle Bias for the first bias again to disable the PA bias softpot 6 Repeat Steps 5 7 for the remaining Toggle Bias buttons 7 Program the bias softpot values into the radio by pressing the Program button 8 Exit the PA bias high power function Note 1 If using the reg...

Page 47: ...rogram button 8 Exit the reference oscillator warp function RF Band PA Type Voltage Value Bias 1 Current Bias 2 Current Bias 3 Current UHF 403 470 MHz 25 40W 95 100 150mA 130 170mA Not Used UHF 403 470 MHz 1 25W 95 Not Used 130 170mA Not Used UHF 450 512 MHz 25 40W 95 100 150mA 130 170mA Not Used UHF 450 512 MHz VMOS 1 25W 95 100 150mA 130 170mA Not Used UHF 450 512 MHz LDMOS 1 25W 22 Not Used 370...

Page 48: ...er is within the specification limits 6 Repeat Steps 3 5 for DAC2 7 Press PTT Toggle again to dekey the radio 8 Exit the DAC tuning function Table 4 5 DAC1 DAC2 Power Specifications These values are up to date as of the print date For the latest values and procedures refer to the Tuner online help RF Band Target UHF 450 527 MHz 30 Hz UHF 450 512 MHz 30 Hz UHF 403 470 MHz 30 Hz VHF 136 174 MHz 30 H...

Page 49: ...follows 1 Under the Tx Align menu select PA Voltage Limit 2 Press Auto Tune and wait until all PA voltage limit softpots have been tuned 3 Exit the PA voltage limit tuning function Note 1 Tuning of the PA BIAS must be performed first 2 DAC Tuning must be performed first LowBand radios only 3 IMPORTANT To set the transmitter power for customer applications use the Cus tomer Programming Software CPS...

Page 50: ...d repeat Steps 5 6 and 7 until the Tx deviation remains the same 8 Press PTT Toggle to dekey the radio Choose the next frequency key up then repeat Steps 3 to 7 until all seven tuning points are completed 9 Program the softpot value by pressing the Program button 10 Exit the modulation balance function Note 1 When using test box RLN4460B C inject the signal into the radio at the METER IN terminal ...

Page 51: ... 25 kHz tuning channel spacing For 12 5 20 kHz channel spacing only F7 is used for tuning The 30 kHz channel spacing which uses 5 0 kHz maximum system deviation are covered by the 25 kHz tuning 2 When using test box RLN4460 set the METER OUT toggle switch to the MIC PORT position and METER OUT selector switch to MIC Inject 1 kHz tone and 800mVrms to AUDIO IN The 800mVrms should be measured at the ...

Page 52: ...viation is within the range as defined in Table 4 6 on page 4 9 Press ENTER to confirm the selection 6 Press PTT Toggle to dekey the radio 7 Program the softpot value by pressing the Program button 8 Exit the VCO attenuation 20 kHz function 4 4 10 VCO Attenuation 12 5 kHz Perform the 12 5 kHz VCO attenuation procedure as follows 1 Under the Tx Align menu select VCO Attn 12 5 kHz 2 Press PTT Toggle...

Page 53: ... Align menu select MDC1200 Signaling 2 Press PTT Toggle to key the radio up Monitor the deviation obtained 3 Adjust the slider spin or edit control until a deviation of about 3 3 3 7kHz is obtained Press ENTER to confirm the selection 4 Press PTT Toggle again to dekey the radio 5 Program the softpot value into the radio by pressing the Program button 6 Exit the MDC1200 deviation function 4 5 Recei...

Page 54: ...by subtracting the default softpot value for tuned frequency from the tuned softpot value for the tuned frequency 2 When using the test box RLN4460 measure the RSSI voltage with a DC voltmeter connected to the METER OUT terminals of the test box Select DISC on the METER OUT rotary switch 3 Tuning is only performed for 25kHz channel spacing 4 Warping of the reference oscillator must be accomplished...

Page 55: ...es for UHF 450 512 MHz 40W Table 4 11 Default Softpot Values for UHF 450 512 MHz 25W VMOS Frequency Point Softpot Value Decimal F1 63 F2 67 F3 75 F4 77 F5 81 F6 91 F7 101 Frequency Point Softpot Value Decimal F1 61 F2 65 F3 71 F4 85 F5 95 F6 101 F7 109 Frequency Point Softpot Value Decimal F1 61 F2 65 F3 71 F4 83 F5 95 F6 101 F7 107 ...

Page 56: ...47uF be added at the input of the voltmeter to reduce RSSI noise Call this V1 6 Change the softpot value by the Step Value specified in one of the Table 4 7 through Table 4 12 A positive step value must be added while a negative value must be subtracted from the current softpot value Call this SP 7 Re measure the RSSI voltage Call this V2 8 Calculate the RSSI voltage change in percent using the fo...

Page 57: ... commit the softpot value into the radio 4 Exit the rated volume tuning function Table 4 13 Front End Filter Deviation Values Channel Spacing Rated System Deviation Signal Generator Deviation 12 5 kHz 2 5 kHz 1 5 kHz 20 kHz 4 0 kHz 2 4 kHz 25 kHz 5 0 kHz 3 0 kHz 30 kHz 5 0 kHz 3 0 kHz Table 4 14 Front End Tuning Parameters RF Band Frequency Point RF Level Start Value Step Value Target Value UHF 40...

Page 58: ...lues Channel Spacing Rated System Deviation Signal Generator Deviation 12 5 kHz 2 5 kHz 1 5 kHz 20 kHz 4 0 kHz 2 4 kHz 20 kHz LowBand 20 kHz systems in North America 5 0 kHz 3 0 kHz 25 kHz 5 0 kHz 3 0 kHz 30 kHz 5 0 kHz 3 0 kHz Note 1 Squelch tuning can only be accomplished after front end filter tuning and refer ence oscillator warping 2 When using the test box RLN4460 the received audio output i...

Page 59: ...ing for frequency points F2 F7 6 Press Program to commit the softpot values into the radio 7 Exit the squelch tuning function Auto Tune When you press the Auto Tune button the radio automatically returns an optimum squelch value After you press the button the radio may need time to produce an optimal setting for the squelch attenuation The following steps describe the auto tune process Auto Tuning...

Page 60: ...4 18 Radio Programming and Tuning Procedures Notes ...

Page 61: ...d related corrections are listed in Table 5 1 Table 5 1 Power Up Error Codes If the error code displayed is then there is a To correct the problem RAM TST ERROR RAM test failure Retest the radio by turning it off and turning it on again If message reoccurs replace RAM U0122 EEPRM HW ERROR Codeplug structure mis match or non existence of codeplug Reprogram codeplug with correct version and retest r...

Page 62: ...the site RSSI drops below required levels A second tone following the first LOS Tone indicating that LOS was caused by complete LOS of PassPort data from the site and not low RSSI can be activated with the Enable LOS CRC Search start tone option Enable just the Enable LOS Search start tone option Allow the radio to register Turn off the Home repeater The radio will sound a single tone and start to...

Page 63: ...ect Keys to activate or deactivate this function This diagnostic momentarily displays the ASID and RSSI of all received site IDLE messages in the format WXXX YYY ZZZ where W is a on an Idle channel and a on a busy one XXX is the ASID of the site YYY is the RSSI of the message just received and ZZZ is the current running average RSSI This can be helpful in determining RSSI roaming settings Also whi...

Page 64: ...lug Note Refer to appropriate program on line help files for the codeplug programming procedures Figure 5 1 CPS PPCPS Programming Setup RIB RLN4008 RIB Power Supply Rx Gnd Data Tx Data Radio Computer Interface Cable Program HKN9217 Cable 3080369B72 DB15 DB9 120 230 Vac Power Supply 12VDC NOTE Ribless Programming Cable is part number RKN4075 ...

Page 65: ... MHz 3dB Gain Roof Mount Mini U UHF 1 403 470 MHz HAE4002 403 430 MHz 1 4 Wave Roof Mount Mini U HAE4010 406 420 MHz 3 5 dB Gain Roof Mount Mini U UHF 2 450 520 MHz ferrule connector HAE4003_R 450 570 MHz 1 4 Wave Roof Mount Mini U HAE4004 470 512 MHz 1 4 Wave Roof Mount Mini U HAE4011_R 450 470 MHz 3 5 dB Gain Roof Mount Mini U HAE4012 470 494 MHz 3 5 dB Gain Roof Mount Mini U HAE4013 494 512 MHz...

Page 66: ...0 RLN4802 Remote Mount Kit Control Head CDM1250 CDM1550 RKN4077 Remote Mount Cable 3m RKN4078 Remote Mount Cable 5m RKN4079 Remote Mount Cable 7m HKN4137 12V 10 Foot Cable to Battery 1 25W HKN4192 12V 20 Foot Cable to Battery VHF UHF and LowBand 1 45W HKN9402_R 12V LowBand Cable to Battery 40 60W RSN4001 External Speaker 13W HSN8145 External Speaker 7 5W AARMN4025 Microphone Enhanced Compact AARMN...

Page 67: ...ncy Footswitch L3144 Control Local C200 Basic Extended L3145 Control Remote C200 Basic DC L3146 Control Remote C200 Basic L3147 Control Local C200 Advanced Extended L3148 Control Remote C200 Advanced DC L3149 Control Remote C200 Advanced Tone HKN9019 Connector Enhanced GKN8266 Cable Mini UHF BNC to PL259 HLN9557 Cable Mini UHF M to PL259 AARMN4030 Desktop Microphone Base Control ...

Page 68: ... 8 inch wires with pins attached and an extra housing 6686119B01 Control Head Removal Tool AAHLN9725B Voice Storage Option Board field installation only AAHHLN4182 DTMF Mobile Option Board field installation only CDM1250 and CDM1550 compatible only RLN5499 PassPort Upgrade Kit PassPort Board Installation Instructions Label Customer Specific RLN4829 Button Kit Mon Scan CDM750 compatible only RLN483...

Page 69: ...0 CDM1550 LS CDM1550 LS 3886134B03 3886134B04 3886134B05 3886134B06 3886134B08 3886134B09 3886134B10 3886134B12 3886134B13 3886134B14 3886134B15 3886134B16 3886134B17 3886134B18 3886134B19 3886134B20 3886134B21 3886134B22 Mon Scan TA Opt Aux 1 Aux 2 Hi Lo Data P1 P2 P3 P4 Mon Home Scan H L TA Opt Light Zone Call Aux 1 ...

Page 70: ...86134B27 3886134B28 3886134B29 3886134B30 3886134B33 3886134B37 3886134B38 3886134B39 3886134B40 3886134B42 3886134B46 3886134B54 3886134B57 3886134B80 3886134B81 Aux 2 Stat 1 Stat 2 Stat 3 Msg 1 Msg 2 Msg 3 Hi Lo V Str Memo Call 1 Call 2 Call 3 X Pand Phone Data ...

Page 71: ...ode displayed is then there is a To correct the problem ESN BAD PTCB Defective Replace PTCB AppCode Fail PTCB Firmware Defective Reprogram PTCB FLASH ROM BackDoor Turn radio off and restart ERR Watchdog Firmware Failure Resulted in Watch dog Timer Interrupt Restart radio Unprogrammed Programming is not correct Use CPS and PPCPS to properly program radio and PTCB ERROR NO PTG Use PPCPS to program t...

Page 72: ...6 8 Accessories Notes ...

Page 73: ... 25 kHz Item Description X X GCN6112 Control Head CDM750 X X GCN6113 Control Head CDM1250 X X GCN6114 Control Head CDM1550 X X X IMUE6027 Tanapa UHF 403 470 MHz 1 25W 12 5 20 25 kHz X X X IMUE6027_S Replacement Board UHF 403 470 MHz 1 25W 12 5 20 25 kHz X X X IMUE6024 Tanapa UHF 403 470 MHz 25 40W 12 5 20 25 kHz X X X IMUE6024_S Replacement Board UHF 403 470 MHz 25 40W 12 5 20 25 kHz X X X X X X H...

Page 74: ...50 450 512 MHz 25 40W 12 5 20 25 kHz Item Description X X GCN6112 Control Head CDM750 X X GCN6113 Control Head CDM1250 X X GCN6114 Control Head CDM1550 X X X IMUE6028 Tanapa UHF 450 512 MHz 1 25W 12 5 20 25 kHz X X X IMUE6028_S Replacement Board UHF 450 512 MHz 1 25W 12 5 20 25 kHz X X X IMUE6025 Tanapa UHF 450 512 MHz 25 40W 12 5 20 25 kHz X X X X X X HAE4003_R Antenna 450 570 MHz 1 4 Wave Roof M...

Page 75: ... MHz 25 40W 12 5 20 25 kHz X X HAE4002 Antenna 403 430 MHz 1 4 Wave Roof Mount Mini U X X HAE4010 Antenna 406 420 MHz 3 5dB Gain Roof Mount Mini U X X 6881093C32 User Guide CDM1550 LS X Indicates one of each is required CDM Series UHF 450 512 MHz LTR Model Description AAM25SHF9DU5_N CDM1550 LS 450 512 MHz 1 25W 12 5 20 25 kHz AAM25SKF9DU5_N CDM1550 LS 450 512 MHz 25 40W 12 5 20 25 kHz Item Descrip...

Page 76: ...z X PMUE1754_S Service Kit CDM1550 LS 403 470 MHz 1 25W X PMUE1756 Tanapa LS CDM1550 LS 403 470 MHz 25 40W 12 5 20 25 kHz X PMUE1756_S Service Kit CDM1550 LS 403 470 MHz 25 40W X PMUE1939 Tanapa LS CDM1550 LS 403 470 MHz MDC Conventional 1 25W 12 5 20 25 kHz X PMUE1940 Tanapa LS CDM1550 LS 403 470 MHz MDC Conventional 25 40W 12 5 20 25 kHz X PMUE1939A_S Service Kit CDM1550 LS 403 470 MHz MDC Conve...

Page 77: ...1550 LS X PMUE1755 Tanapa 450 512 MHz 1 25W X PMUE1755_S Service Kit CDM1550 LS 450 512 MHz 1 25W X PMUE1757 Tanapa 450 512 MHz 25 40W X PMUE1757_S Service Kit CDM1550 LS 450 512 MHz 25 40W X PMUE1941 Tanapa 450 512 MHz MDC Conventional 1 25W X PMUE1942 Tanapa 450 512 MHz MDC Conventional 25 40W X PMUE1941A_S Service Kit CDM1550 LS MDC Conventional 1 25W X PMUE1942A_S Service Kit CDM1550 LS MDC Co...

Page 78: ...4002_RB Antenna 29 7 36 MHz 1 4 Wave Base Loaded Mini U X 6881091C54 User Guide CDM750 X 6881091C55 User Guide CDM1250 X 6881091C56 User Guide CDM1550 CDM Series LowBand 36 42 MHz Model Description AAM25CKC9AA1_N CDM750 36 42 MHz 40 60W 20 kHz AAM25CKD9AA2_N CDM1250 36 42 MHz 40 60W 20 kHz AAM25CKF9AA5_N CDM1550 36 42 MHz 40 60W 20 kHz Item Description X GCN6112 Control Head CDM750 X GCN6113 Contr...

Page 79: ...kHz AAM25DKF9AA5_N CDM1550 42 50 MHz 40 60W 20 kHz Item Description X GCN6112 Control Head CDM750 X GCN6113 Control Head CDM1250 X GCN6114 Control Head CDM1550 X X X IMUB6002 Tanapa 42 50 MHz 40 60W 20 kHz X X X RAB4004_RB Antenna 42 50 MHz 1 4 Wave Base Loaded Mini U X 6881091C54 User Guide CDM750 X 6881091C55 User Guide CDM1250 X 6881091C56 User Guide CDM1550 X Indicates one of each is required ...

Page 80: ...50 LS 136 174 MHz 25 45W 12 5 20 25 kHz MDC1200 on Conv and LTR QCII Item Description X X GCN6112 Control Head CDM750 X X X X X X GCN6113 Control Head CDM1250 X X GCN6114 Control Head CDM1550 X X X X X IMUD6014 Tanapa VHF 136 174 MHz 1 25W 12 5 20 25 kHz X X X X X IMUD6014_S Replacement Board VHF 136 174 MHz 1 25W 12 5 20 25 kHz X X X X X IMUD6015 Tanapa VHF 136 174 MHz 25 40W 12 5 20 25 kHz X X X...

Page 81: ...PORT Main Board X X X X PMLD4289 CDM1550 LS VHF R1 45W PASSPORT Main Board X PMUD2076A Tanapa VHF 136 174 MHz 25W 16CH X PMUD2077A Tanapa VHF 136 174 MHz 25W 160CH w MDC X PMUD2078A Tanapa VHF 136 174 MHz 45W 16CH X PMUD2079A Tanapa VHF 136 174 MHz 45W 160CH w MDC X X X X HAD4006 Antenna 136 144 MHz Wave Roof Mount Mini U X X X X HAD4007 Antenna 146 150 8 MHz Wave Roof Mount Mini U X X X X HAD4008...

Page 82: ...P6_N AAM25RHC9AA1_N AAM25RKC9AA1_N AAM25RHD9AA2_N AAM25RKD9AA2_N AAM25RHF9AA5_N AAM25RKF9AA5_N AAM25SHC9AA1_N AAM25SKC9AA1_N AAM25SHD9AA2_N AAM25SKD9AA2_N AAM25SHF9AA5_N AAM25SKF9AA5_N AAM25RHF9DU5_N AAM25RKF9DU5_N AAM25SHF9DU5_N AAM25SKF9DU5_N AAM25RHF9DP5_N AAM25SHF9DP5_N AAM25RKF9DP5_N AAM25SKF9DP5_N AAM25RHF9DP6_N AAM25RKF9DP6_N AAM25SHF9DP6_N AAM25SKF9DP6_N Frequency Range 29 7 36 MHz 36 42 M...

Page 83: ...mm 10 02 X 7 28 X 2 83 255mm X 185mm X 72mm 6 97 X 6 93 X 2 2 177mm X 176mm X 56mm 7 32 X 7 05 X 2 34 186mm X 179mm X 59mm 7 4 X 7 28 X 2 83 188mm X 185mm X 72mm 7 4 X 7 28 X 2 83 188mm X 185mm X 72mm 7 44 X 6 93 X 2 2 189mm X 176mm X 56mm 7 8 X 7 05 X 2 34 198mm X 179mm X 59mm 7 87 X 7 28 X 2 83 200mm X 185mm X 72mm 7 87 X 7 28 X 2 83 200mm X 185mm X 72mm Weight Low power 1 25W High power 25 45W ...

Page 84: ... o C Humidity 95 RH 8 Hr ESD IEC 801 2 KV Water Intrusion IP54 Packing Test Impact Test Transmitter Specification LowBand VHF UHF Power Output 40 60W 1 25W 25 45W 1 25W 25 40W Conducted Radiated Emissions 26 dBm 36 dBm 1 GHz 30 dBm 1 GHz Audio Response from 6 dB oct Pre Emphasis 300 to 3000Hz TIA603 and ETS300 CEPT 84 Annex 2 Audio Distortion 1000 Hz 60 Rated Maximum Deviation 3 Typical Modulation...

Page 85: ... 12 5 kHz UHF Spurious Rejection 80 dB 80 dB 25 kHz 75 dB 12 5 kHz 75 dB 25 kHz 70 dB 12 5 kHz Rated Audio 3W Internal 13W External Audio Distortion Rated Audio 3 Typical Hum and Noise 45 dB 40 dB 12 5 kHz 45 dB 25 kHz Audio Response TIA603 and ETS300 CEPT 84 Annex 2 Conducted Spurious Emission per FCC Part 15 57 dBm 1 Ghz 47 dBm 1 Ghz Specifications subject to change without notice All electrical...

Page 86: ...7 14 Model Chart and Test Specifications NOTES ...

Page 87: ... Information cannot be altered or reprogrammed FGU Frequency Generation Unit GaAs Gallium Arsenide a type of crystalline material used in some semiconductors ISW Inbound Signalling Word data transmitted on the control channel from a subscriber unit to the central control unit LCD Liquid Crystal Display a module used to display the radio s current operating channel or system and scan status LDMOS L...

Page 88: ...ng through a frequency divider PPCPS PassPort Customer Programming Software PTT Push To Talk the switch located on the left side of the radio which when pressed causes the radio to transmit RAM Random Access Memory the radio s RAM is loaded with a copy of the EEPROM data Registers Short term data storage circuits within the microcontroller Repeater Remote transmit receive facility that retransmits...

Page 89: ...d OSW System Select The act of selecting the desired operating system with the system select switch also the name given to this switch TOT Time Out Timer a timer that limits the length of a transmission TPL Tone Private line µC Microcontroller UHF Ultra High Frequency µP Microprocessor VCO Voltage Controlled Oscillator an oscillator whereby the frequency of oscillation can be varied by changing a ...

Page 90: ...Glossary 4 Glossary Notes ...

Page 91: ......

Page 92: ...881091C62 D 6881091C62 MOTOROLA the Stylized M Logo 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 2005 ...

Search results

Summary of Contents for CDM1250

Reviews:

Related manuals for CDM1250

Brands by name

Popular brands

Motorola CDM1250, Basic Service Manual

Search results

Summary of Contents for CDM1250

Reviews:

Related manuals for CDM1250

Brands by name

Popular brands