Midland 91-1060-91-1110 Service Manual Addendum Download Page 41 | Manualshive

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Midland 91-1060-91-1110 Service Manual Addendum Download Page 41

Chassis Exploded View

Low Current Base Tech 3.5

1. PA Unit Chassis
2. Mounting  Plate
3. Heat Sink Assy
4. Bottom  Cover
5. Right Side Assy
6. Left Side Assy
7. Front  Handle
8. Front Panel Unit Assy
9. Rear Panel Assy
10. Right

Protector

11. Left

Protector

12. Logic Unit PCB Assy

a. Analog
b. Digital

13.  TX Main Unit Assy
14.  RX Main Unit Assy
15.  PA Unit Cover
16.  Screw (3 x 6 mm)
17.  Screw (3 x 8 mm)
18.  Screw (4 x 8 mm)
19.  Screw (4 x 10 mm)
20.  Screw (4 x 12 mm)
21.  Screw (4 x 6 mm)
22.  Screw #4-40 Jack
23.  Hex Standoff (3 x 8

mm)

37

© 2012 Midland Radio Corporation

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Summary of Contents for 91-1060-91-1110

Page 1: ...VICE MANUAL ADDENDUM P25 FM TWO WAY LAND MOBILE RADIO BASE TECH III BASE REPEATER STATION 91 1060 91 1110 91 4050 91 4100 LOW CURRENT MODELS VHF HIGH BAND UHF BAND Part Number 680 100 2049 Revision A 1 12 ...

Page 2: ...ual is designed to facilitate the set up and service of the Midland 91 1060 1110 91 4050 91 4100 P25 Base Tech III series As necessary service manual supplements will be published and distributed on the following forms Manual Addition MA For supplemental information useful in product service or improvement Printed on BLUE paper Change Notice CN For details about changes made during production by m...

Page 3: ...it Schematic 25 VHF RX VCO Unit Schematic 26 VHF TX Main Unit Schematic 27 UHF RX Main Unit Schematic 28 UHF RX VCO Unit Schematic 29 UHF TX Main Unit Schematic 30 Front Panel Unit Layout 31 Analog Logic Unit Layout 32 VHF RX Main Unit Layouts 33 VHF RX VCO Unit Layout 33 VHF TX Main Unit Layouts 34 UHF RX Main Unit Layouts 35 UHF RX VCO Unit Layout 35 UHF TX Main Unit Layouts 36 Chassis Exploded ...

Page 4: ...inuous Digital Controlled Squelch System EEPROM Electrically Erasable Programmable Read Only Memory MIL SPEC Military Specification RX Receive TX Transmit SINAD The ratio in decibels of signal noise distortion to noise distortion VCO Voltage Controlled Oscillator TCXO Temperature Compensated Crystal Oscillator PLL Phase Locked Loop 2012 Midland Radio Corporation iv ...

Page 5: ...able Bandwidth Full Sub Band Maximum Deviation 5kHz wide band 2 5 kHz narrow band Frequency Stability 1 5 ppm std 10 MHz external optional Frequency Response 1 dB 3 dB 300 3000 Hz 1 kHz reference FM Hum and Noise 50 dB 1kHz 70 mod 50 dB Digital mode Modulation Distortion 3 Spurious Harmonics 0 25µW 80 dBc Receiver Switchable Bandwidth Full Sub Band IF Frequencies 1st IF 48 4 MHz 2nd IF 455 kHz Fre...

Page 6: ... 100W continuous Switchable Bandwidth Full sub band Maximum Deviation 5 kHz wide band 2 5 kHz narrow band Frequency Stability 1 5 ppm std 10 MHz external optional Frequency Response Within 1 3dB 300 3000Hz FM Hum and Noise 50 dB 1 kHz 60 mod 50 dB Digital Modulation Distortion 3 Spurious Harmonics 0 25 µW 80 dBc Receiver Switchable Bandwidth Full sub band IF Frequencies 1st IF 73 35 MHz 2nd IF 455...

Page 7: ...locking doors 71 8082 Slide Rails for TX RX Unit 71 8834 Hardware Kit for Cabinets 71 8822 2AS Grounding Kit for 31 Cabinets 71 8822 2AT Grounding Kit for 40 1 4 Cabinets 71 8871 12 1 4 Blank Panel 71 8870 10 1 2 Blank Panel 71 8863 3 1 2 Blank Panel 71 8862 1 3 4 Blank Panel 91 1303B USB Programming Cable 91 1480CD Base Tech III Programming Software 71 2020E 16 Channel Tone Remote Termination 71 ...

Page 8: ...0 Aluminum Rack 71 8881 Shipping Hardware Kit 71 8880 71 8879 Radio Shelf Support Kit Relay Racks Only 71 2315 Palm Microphone 71 2316 Desktop Microphone 71 8155 1 VHF Duplexer 3 5MHz Separation 350W 150 160 MHz 71 8155 2 VHF Duplexer 3 5 MHz Separation 350W 160 174 MHz 71 8152 3 VHF Duplexer 2 MHz Separation 350W 150 160 MHz 71 8152 4 VHF Duplexer 2 MHz Separation 350W 160 174 MHz 71 8455A UHF Du...

Page 9: ...Alignment Procedures Low Current Base Tech 3 5 THIS PAGE INTENTIONALLY LEFT BLANK 5 2012 Midland Radio Corporation ...

Page 10: ...ge could occur 5 RX 0 dBm Level Adjustment This is 600 ohm audio available on pins 20 and 21 of the EXT Option port It is electronically adjusted Ground TP 2 on the Analog Logic Unit PCB and power up the radio See Figure 3 on page 6 The station is now in Adjust Mode Release TP 2 from ground The display should look as follows RXNS Adjust TXN RX 0dbm Out C0001 27 31 AA Use the A and B keys on the fr...

Page 11: ...Alignment Procedures Low Current Base Tech 3 5 FVR001 Tight Squelch FVR002 De mod Bias Figure 1 Receive Module RX Main Unit Alignment Adjustments 7 2012 Midland Radio Corporation ...

Page 12: ...itter in Analog Mode 3 FVR203 Carrier Frequency Trim This potentiometer adjusts carrier frequency Its range will allow for 200 Hz adjustment from the desired programmed frequency 4 FVR204 Exciter Output Power This potentiometer adjusts the exciter s output power level This is nominally 80 mW 5 L303 VCO Alignment The VCO has already been aligned at the factory However if you need to re adjust VCO a...

Page 13: ...t PCB the nearby PA Unit chassis is a good ground point e Apply power to the radio The radio should power on directly into the Adjust mode indicated by Adjust displayed on screen If the radio displays an error message on the fourth line of the LCD check that the Local Remote Switch is in the Local position f Open the ground connection to TP2 g When the desired alignment procedures have been conduc...

Page 14: ...ays REPEAT DEVI b Set the radio to a channel programmed for repeat mode wide or narrow band c Inject a 47 dBm 3 dB RF signal modulated with a 1 kHz tone into the receiver input at 60 system deviation Enable sub audible signaling if the radio repeater is configured as so d At this time the radio repeater should be transmitting e Measure the transmitter deviation level Enable audio filtering of 300 ...

Page 15: ...l h Deactivate PTT 12 C4FM Digital Deviation Alignment a Press the key on the Front Panel until the second line of the LCD displays DIGITAL DEVI b Activate PTT c While monitoring peak FM deviation adjust the deviation level to obtain 2827 Hz 283 Hz positive and negative peak deviation Press the A key to increase or the B key to decrease the transmitter C4FM digital deviation level d Deactivate PTT...

Page 16: ...play when in High Power Mode Press SHIFT then 2 to toggle transmitter Power Mode Note TX Power Change MUST be enabled in software programming to toggle TX Power from the Front Panel 3 FVR402 Transmitter Low Power Alignment This potentiometer allows for fine adjustment of the Low Power level of the transmitter output when the radio is set to Low Power Mode The station must be on a low power channel...

Page 17: ... 2nd IF processor IC001 The 2nd local oscillator crystal signal is directed to IC001 to produce the 2nd local IF signal 455 kHz IC001 amplifies the 2nd local IF signal which then becomes an audio baseband signal through a detector circuit internal to IC001 This audio signal is then directed to the low pass filter inclusive within IC002 after which it is sent to audio processor IC3 3 VCO section Th...

Page 18: ... used as a POCSAG transmitter 4 TX Exciter Section The VCO signal is amplified by Q211 to achieve 80 mW 5 Low Current Improvements An additional 5 5 volt dc source has replaced the 12 V dc source for main on board power An additional 12 volt line has been added for the 7 V dc regulator This significantly reduces current consumption losses to heat POWER AMPLIFIER 1 Power Amplifier VHF 5 110W UHF 2 ...

Page 19: ...OGIC UNIT 1 Microcomputer CPU Section CPU IC1 H8S2239 is the 16 bit processor contained 320kb flash memory 6k RAM inside The CPU controls all functions of Base Tech III A flash memory permits on board up grade when new firmware is released 2 EEROM Section IC6 is the 64k bit EEROM This memory contains all the channel data 3 Audio Processor Section IC2 is for TX and IC3 is for RX audio processors CT...

Page 20: ... indication of Digital operation b Amber LED REP for Repeat mode indication c Orange LED ALM indicates an alarm condition This could be an RX PLL error TX PLL error TX PA error or Low Battery alarm d Red LED TX for indication of transmitter operation e Green LED BUSY for indication of RF carrier is present 3 Audio Amplifier Section IC402 has up to 10 W power into a 4Ω impedance speaker 4 Microphon...

Page 21: ...M on DIG 11 BUSY Channel busy indication O 0 3 3VDC 3 3V busy 12 RSSI Receive signal strength indicator O 0 2 5VDC analog 13 MOD1 External audio modulation input I 50mVrms 1Khz for 3KHz 14 GND 15 PTT Push to talk I 0 3 3VDC 0V transmit 16 MOD2 External modulation input LOW FREQ i e CTCSS DCS IN I 400mVrms 1KHz for 3KHz After limiter and filtering 17 SIMP Simplex mode selected O 0 3 3VDC 0V simplex...

Page 22: ...Circuit Description Low Current Base Tech 3 5 Notes 2012 Midland Radio Corporation 18 ...

Page 23: ...Block Diagram VHF 60 Watt Low Current Base Tech 3 5 19 2012 Midland Radio Corporation ...

Page 24: ...Block Diagram VHF 110 Watt Low Current Base Tech 3 5 2012 Midland Radio Corporation 20 ...

Page 25: ...Block Diagram UHF 50 Watt Low Current Base Tech 3 5 21 2012 Midland Radio Corporation ...

Page 26: ...Block Diagram UHF 100 Watt Low Current Base Tech 3 5 2012 Midland Radio Corporation 22 ...

Page 27: ...Front Panel Unit Schematic Low Current Base Tech 3 5 23 2012 Midland Radio Corporation ...

Page 28: ...Analog Logic Unit Schematic Low Current Base Tech 3 5 2012 Midland Radio Corporation 24 ...

Page 29: ...VHF RX Main Unit Schematic Low Current Base Tech 3 5 25 2012 Midland Radio Corporation ...

Page 30: ...VHF RX VCO Unit Schematic Low Current Base Tech 3 5 2012 Midland Radio Corporation 26 ...

Page 31: ...VHF TX Main Unit Schematic Low Current Base Tech 3 5 27 2012 Midland Radio Corporation ...

Page 32: ...UHF RX Main Unit Schematic Low Current Base Tech 3 5 2012 Midland Radio Corporation 28 ...

Page 33: ...UHF RX VCO Unit Schematic Low Current Base Tech 3 5 29 2012 Midland Radio Corporation ...

Page 34: ...UHF TX Main Unit Schematic Low Current Base Tech 3 5 2012 Midland Radio Corporation 30 ...

Page 35: ...Front Panel Unit Layouts Low Current Base Tech 3 5 31 2012 Midland Radio Corporation ...

Page 36: ...Analog Logic Unit Layouts Low Current Base Tech 3 5 2012 Midland Radio Corporation 32 ...

Page 37: ...VHF RX Main Unit RX VCO Unit Layouts Low Current Base Tech 3 5 RX Main Unit Top Side RX Main Unit Bottom Side RX VCO Unit Top Side RX VCO Unit Bottom Side 33 2012 Midland Radio Corporation ...

Page 38: ...VHF TX Main Unit Layouts Low Current Base Tech 3 5 TX Main Unit Top Side TX Main Unit Bottom Side 2012 Midland Radio Corporation 34 ...

Page 39: ...UHF RX Main Unit RX VCO Unit Layouts Low current Base Tech 3 5 RX Main Unit Top Side RX Main Unit Bottom Side RX VCO Unit Top Side RX VCO Unit Bottom Side 35 2012 Midland Radio Corporation ...

Page 40: ...UHF TX Main Unit Layouts Low Current Base Tech 3 5 TX Unit Top Side TX Unit Bottom Side 2012 Midland Radio Corporation 36 ...

Page 41: ...8 Front Panel Unit Assy 9 Rear Panel Assy 10 Right Protector 11 Left Protector 12 Logic Unit PCB Assy a Analog b Digital 13 TX Main Unit Assy 14 RX Main Unit Assy 15 PA Unit Cover 16 Screw 3 x 6 mm 17 Screw 3 x 8 mm 18 Screw 4 x 8 mm 19 Screw 4 x 10 mm 20 Screw 4 x 12 mm 21 Screw 4 x 6 mm 22 Screw 4 40 Jack 23 Hex Standoff 3 x 8 mm 37 2012 Midland Radio Corporation ...

Page 42: ...THIS PAGE INTENTIONALLY LEFT BLANK 2012 Midland Radio Corporation 38 ...

Page 43: ...Palm Microphone Schematic Low Current Base Tech 3 5 39 2012 Midland Radio Corporation ...

Page 44: ... UHF A Range 400 430 MHz 650 230 0055 13 TX Main Unit Assembly UHF B Range 440 475 MHz 650 230 0056 13 TX Main Unit Assembly UHF C Range 465 500 MHz 650 230 0057 13 TX Main Unit Assembly UHF D Range 485 520 MHz 650 230 0058 14 RX Main Unit Assembly VHF B Range 146 174 MHz 650 110 2015 14 RX Main Unit Assembly UHF A Range 400 430 MHz 650 110 2016 14 RX Main Unit Assembly UHF B Range 440 475 MHz 650...

Page 45: ...BB11A105KA01L C409 C414 C416 C419 C420 GRM188B11C473KA01D C410 EKMG350ELL471MJ16S C411 C412 GRM188B11H562KD01D C413 GRM21BB31A475KA74L C415 GRM1882C1H820JA01D C417 C422 GRM188B11H334KA01D C421 GRM188B11H102KA01D C424 GRM188B11E104KA01D C425 RESISTORS MCR03EZHJ 103 R401 R437 R457 MCR18EZHJ 000 R402 MCR03EZHJ 104 R403 R441 R442 R443 R456 R464 R477 R479 MOSX2 3 9Ω R405 R406 MCR03EZHJ 273 R407 MCR03EZ...

Page 46: ...10 BU4819FVE IC11 TC74HC541AF IC14 BU4SU69 IC15 BU4S01G2 TR IC16 BU4S81G TR IC17 IC25 NJM2073M TE1 IC18 DP7113 IC22 IC23 BU4066BCP IC24 TC7PA53FU TE85L F IC26 IC29 IC31 IC38 TC75W51FU IC27 IC28 IC33 IC34 IC36 IC37 MAX7412EUA IC35 DP7114 IC39 IC40 IC41 BU4S66G2 IC42 BD9778HFP IC43 TRANSISTORS 2SK3018 T106 Q1 Q3 Q4 Q5 Q10 Q11 Q12 DTA144EUA T106 Q2 2SB1698 T00 Q6 RTU002P02 T106 Q7 Q13 RRL035P03 Q8 UM...

Page 47: ...R28 R79 R88 R98 R102 R103 R105 R113 R116 R153 R154 R165 R174 R177 R191 MCR03EZHJ 684 R11 MCR03EZHJ 333 R12 R19 MCR03EZHJ 753 R13 MCR03EZHJ 103 R14 R15 R17 R20 R21 R30 R31 R35 R63 R64 R65 R71 R82 R94 R95 R123 R124 R133 R145 R162 R168 R169 R170 R184 MCR03EZHJ 102 R18 R34 R36 R37 R40 R46 R47 R75 MCR03EZHJ 752 R24 R25 R164 MCR10EZHJ 100 R26 MCR03EZHJ 472 R27 R60 R70 R78 R86 R95 R171 MCR03EZHJ 471 R32 ...

Page 48: ...5 D866 HVU131TRF D867 D868 TCXO CRYSTAL FILTER C TYPE 1 5ppm TCXO801 MF48Q 48 5MHZ XF801 INDUCTORS 3060 SMD 0071 T801 T802 T803 BLM21BD421SN1D BL802 BL803 BL805 BL806 BL808 BL809 BL811 BL812 BL861 FBM3216HM501NT BL801 BL804 LL2012 FHL47NJ L801 KQ1008TTE1R5K L803 KQ1008TTE1R0K L805 KQ1008TTE1R2K L806 KQ1008TTE4R7K L807 L809 LQW31HN39NJ L861 E558CNA 100035 P3 L862 L863 L867 L868 KQ1008TTER68K L865 E...

Page 49: ...EZHJ 153 R810 R865 MCR03EZHJ 103 R811 R813 R814 R815 R816 R817 R854 R855 R869 R871 R874 R876 R823 R887 MCR03EZHJ 432 R812 MCR03EZHJ 472 R819 R832 R846 MCR03EZHJ 244 R820 MCR03EZHJ 183 R821 R818 R843 R856 MCR03EZHJ 273 R822 R883 MCR03EZHJ 221 R825 MCR03EZHJ 152 R827 MCR03EZHJ 272 R829 MCR03EZHJ 101 R830 R845 R824 MCR03EZHJ 393 R833 MCR03EZHJ 332 R840 MCR03EZHJ 823 R841 MCR03EZHJ 154 R844 MCR03EZHJ ...

Page 50: ... C314 GRM1882C1H150JA01D C315 GRM1883C1H3R0CZ01D C317 GRM21BB31A475KA74L C318 TEESVA1A475M8R C319 GRM1882C1H220JA01D C321 GRM188B11H471KD01D C322 C326 TEESVA1A106M8R C324 C330 RESISTORS MCR03EZHJ 000 R306 MCR03EZHJ 221 R307 MCR03EZHJ 472 R308 MCR03EZHJ 752 R309 MCR03EZHJ 471 R310 R311 MCR03EZHJ 101 R312 R323 MCR03EZHJ 104 R314 MCR03EZHJ 473 R315 R322 R328 MCR03EZHJ 332 R316 MCR03EZHJ 102 R317 MCR0...

Page 51: ...H470JA01D C215 C212 C242 GRM188B11E104KA01D C219 C222 C238 C216 C217 GRM1882C1H151JZ01D C223 GRM1882C1H100JZ01D C224 C258 C268 GRM188B11E223KA01D C225 GRM188B11H153KA01D C226 C234 C248 R226 EMVK160ADA100MD55G C228 C229 C231 C232 TEESVB21C106M C233 2AMMSSDC 824JE C237 GRM188B11E333KA01D C240 GRM1882C1H330JA01D C245 C262 GRM188B11E154KA01D C251 C265 GRM188B11H103KA01D C253 GRM188B11C473KA01D C254 GR...

Page 52: ...IC801 XC221A1200MR IC802 IC810 TC7WT125FU TE12L F IC803 IC804 MB1511PFV G BND EFE IC806 NJU7662M T1 TE1 ZZZB IC807 TC4S66F TE85L F IC808 TA75S01F TE85R F IC809 GN2011 IC811 XC6216B702MR IC813 TRANSISTORS 2SK3018 T106 Q801 Q805 Q807 2SD2351 T106 Q802 Q809 MCH3306 TL Q803 UMC2N TR Q804 Q808 RTU002P02 T106 Q806 2SK508 T1B K53 Q810 DTA144EUA T106 Q811 2SC4250 TE85R F Q812 2SC4325 TE85R Q813 Q814 3SK17...

Page 53: ...1A224KA01D C859 GRM1882C1H330JA01D C862 C888 GRM1882C1H4R0CZ01D C864 C867 C870 C872 C873 C874 C875 C884 C887 C889 C890 C895 C897 C898 GRM1884C1HR75CZ01D C868 C869 C886 GRM1882C1H270JA01D C871 GRM1884C1H2R0CZ01D C883 GRM1884C1H1R0CZ01D C885 GRM1882C1H200JA01D C896 GRM1882C1H6R0DZ01D C899 RESISTORS MCR03EZHJ 471 R801 R839 MCR03EZHJ 563 R802 MCR03EZHJ 104 R803 R807 R831 R835 R837 R838 R859 R862 R863 ...

Page 54: ...BLM21BD421SN1D BL302 BL303 FBM3216HM501NT BL301 ELJ FCR47KF L301 KQ1008TTER47K L302 L304 3075 L303 KQ1008TTER27K L305 LL2012 FHL33NJ L306 1091 L308 HK212515NJ L309 CAPACITORS GRM188B11C823KA01D C302 GRM1882C1H4R0CZ01D C303 GRM1882C1H180JA01D C305 GRM1883C1H2R5CZ01D C307 GRM1882C1H9R0DD01D C308 GRM1882C1H6R0DZ01D C309 GRM1882C1H5R0DZ01D C310 GRM1884C1HR50CZ01D C311 D306 GRM188B11H102KA01D C312 C313...

Page 55: ...RB886G T2R D210 SML210VT T86 D214 RB501V 40TE17 D216 TCXO C TYPE 0 5ppm TCXO201 INDUCTORS BLM21BD421SN1D BL202 BL204 BL205 BL206 FBM3216HM501NT BL203 BL01RN1A1D2B BL207 1091 L201 LQW31HN8N8J L202 CAPACITORS TEESVA1C475M8R C201 C247 C249 TEESVA1A106M8R C202 GRM216B11C105KA01L C204 C206 C214 C220 C221 C227 C260 C218 TEESVA1A475M8R C205 TEESVA1V105M8R C207 C213 GRM188B11H102KA01D C208 C209 C243 C244 ...

Page 56: ... 471 R262 MCR03EZHJ 182 R268 R274 MCR18EZHJ 471 R273 MCR03EZHJ 560 R277 MCR03EZHJ 274 R279 MCR03EZHJ 392 R294 G32AT 103 FVR201 FVR204 G32AT 204 FVR202 G32AT 502 FVR203 CONNECTORS RCT TP201 ERTJVR102J TH201 52030 1629 CN202 LPC 2FDS C CS202 LPC 6FDS C CS201 4A S586 CN201 MISCELLANEOUS SE 3 X 6 PCB SEMS SCREW SE 3 X 8 COVER SEMS SCREW 70 033046 FLAT CABLE 16P x 3 4A10 3000 BOSS 4A10 3037 TX COVER 2A...

Page 57: ...1882C1H110JZ01D C837 GRM1882C1H6R0DZ01D C850 C860 C899 GRM1882C1H101JZ01D C854 GRM1882C1H100JZ01D C855 TEESVA1A475M8R C858 GRM188B11A224KA01D C859 GRM1882C1H270JA01D C862 GRM1882C1H4R0CZ01D C864 C870 C872 C874 C887 C895 C897 GRM1882C1H7R0DZ01D C866 GRM1884C1HR50CZ01D C868 C869 C885 C886 GRM1882C1H240JA01D C871 GRM1884C1H2R0CZ01D C883 GRM1882C1H330JA01D C888 GRM1882C1H200JA01D C896 RESISTORS MCR03E...

Page 58: ...HL22NJ L306 1091 L308 HK212515NJ L309 CAPACITORS GRM188B11C823KA01D C302 GRM1882C1H4R0CZ01D C303 C310 GRM1882C1H150JA01D C305 GRM1884C1H2R0CZ01D C307 GRM1882C1H7R0DZ01D C308 GRM1882C1H5R0DZ01D C309 GRM1884C1HR50CZ01D C311 GRM1884C1HR75CZ01D C314 GRM1882C1H100JZ01D C315 C321 GRM188B11H102KA01D C312 C313 C320 C323 GRM21BB31A475KA74L C318 TEESVA1A475M8R C319 GRM1884C1H1R0CZ01D C317 GRM188B11H471KD01D...

Page 59: ...DUCTORS BLM21BD421SN1D BL202 BL204 BL205 BL206 FBM3216HM501NT BL203 BL01RN1A1D2B BL207 1091 L201 LQW31HN8N8J L202 CAPACITORS TEESVA1C475M8R C201 C247 C249 TEESVA1A106M8R C202 GRM216B11C105KA01L C204 C206 C214 C220 C221 C227 C260 C218 TEESVA1A475M8R C205 TEESVA1V105M8R C207 C213 GRM188B11H102KA01D C208 C209 C243 C244 C250 C252 C255 C256 C267 C272 C273 GRM188B11H472KA01D C210 GRM188B11H471KD01D C211...

Page 60: ...CR03EZHJ 472 R229 R247 MCR03EZHJ 183 R230 MCR03EZHJ 221 R235 MCR03EZHJ 272 R239 MCR03EZHJ 101 R242 R260 R234 MCR03EZHJ 150 R244 MCR03EZHJ 271 R245 MCR03EZHJ 151 R246 MCR10EZHJ 2R2 R248 R272 MCR10EZHJ 4R7 R249 MCR10EZHJ 471 R250 MCR18EZHJ 100 R251 MCR03EZHJ 223 R252 R253 MCR03EZHJ 102 R254 R236 R280 MCR03EZHJ 332 R261 MCR03EZHJ 182 R268 R274 MCR18EZHJ 471 R273 MCR03EZHJ 560 R277 MCR03EZHJ 274 R279 ...

Page 61: ...is the Midland Part Number Otherwise you will need to know the Model and Serial numbers of the equipment in which the part is used a part description and the schematic reference designator You may also need to return the old part as a sample 2 Quantity desired 3 Ship to address and billing address if different Mail or Fax your order to Parts Department Midland Radio Corporation 5900 Parretta Drive...

Page 62: ...5900 PARRETTA DRIVE KANSAS CITY MISSOURI 64120 PHONE 816 241 8500 FAX 816 241 5713 www midlandradio com ...

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