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23 

         

 

 

Maintenance 

 
Introduction 

 

In general, because of the pitch and size of the components in 2000 series transceivers, Barrett 
Communications recommends any maintenance outside our factory facility be limited to module 
replacement.  
 
A comprehensive and reasonably priced module replacement program which enables modules to 
be sent anywhere in the world in less than three days is operated by Barrett Communications. Call 
you dealer or Barrett Communications directly for details. 
 

This section does however provide maintenance and fault finding procedures that can be carried out on 
Barrett 2000 series transceivers. 

 

 
Opening the 2050 for PCB access 

 
 

 

 

 
Remove the plastic capstan covers by hand, then using the Barrett tool or a M10 Allen key remove the M10 
set screws from the side locks 

        

 

 

Using the Barrett tool or a M4 Allen key remove the four M4 x 50mm hex head cap screws from the control 

head front panel, the control head should now be free. 

  

 

Summary of Contents for 2000 Series

Page 1: ...ibra Lake Western Australia 6163 Alton Shawnee P O Box 1214 Bibra Lake Western Australia 6965 Hampshire GU34 1HG Kansas 66216 AUSTRALIA UNITED KINGDOM UNITED STATES OF AMERICA Toll free number within Australia 1800 999 580 Telephone 618 9434 1700 Telephone 44 1420 542254 Telephone 1 913 322 6231 Facsimile 618 9418 6757 Facsimile 44 1420 543373 Facsimile 1 913 273 0779 Email information barrettcomm...

Page 2: ...oprocessor section 14 Reference oscillator 22 7275 kHz 14 Microprocessor 14 DDFS and VCO 14 VCO 14 Phase detector 14 VCO divider ratio 15 Selcall if enabled 15 Audio mute 15 Audio Filtering 15 Noise reduction 15 Microprocessor RF PCB RF section 15 First mixer 16 Post mixer amplifier Q5 16 First IF filter F1 F2 16 Second mixer U48 16 455 kHz IF amplifier 17 AGC 17 Carrier insertion generator 17 Thi...

Page 3: ...ot receive but displays OK 33 No receiver noise 33 Receiver noise present but does not receive 33 Main microprocessor faults 34 VCO faults 34 Transmitter faulty 34 Expected signal levels 35 Adjustments 37 Front panel 37 Master oscillator frequency adjustment 37 Microprocessor RF Audio PCB 37 VCO frequency adjustment 37 45MHz IF Filter 38 Power amplifier PA PCB 38 Driver bias setup 38 Power Amplifi...

Page 4: ...transceiver 48 2040 manpack adaptor 48 Parts lists 49 2050 transceiver Micro Processor RF PCB 49 2050 transceiver Power Amplifier PCB 63 2050 Transceiver Front panel PCB 69 2050 Transceiver Rear panel PCB 69 2050 transceiver Control head and display transition PCB s 70 2050 transceiver Control head transition PCB 73 2040 Manpack adapter Front Panel PCB 74 2040 Manpack adapter Base PCB 76 2040 Manp...

Page 5: ... to 30 MHz continuous Channel capacity Up to 500 programmable channels simplex or semi duplex Frequency resolution 10 Hz program mode 1 Hz tunable receiver Frequency stability 10 Hz or better than 0 3 PPM over temperature range 30 C to 70 C Intermediate frequencies 45 MHz and 455 kHz double conversion Operating modes J3E USB LSB H3E AM J2A CW J2B AFSK Optional J2B AFSK with narrow filter Note Only...

Page 6: ...mp off Selectivity J3E 1 kHz and 4 kHz better than 50dB 2 kHz and 5 kHz better than 55dB 5 kHz and 8 kHz better than 60dB Selectivity J2B opt 500 Hz and 500 Hz better than 60dB The level of an unwanted signal above the level of a wanted signal that will reduce the SINAD of the wanted signal from 20dB SINAD to 14dB SINAD Blocking MUS 20 kHz and 20 kHz better than 71dB The level of an unwanted signa...

Page 7: ... RMS from a 50 ohm source Transmitter Specifications RF output power 100 watt PEP two tone 1 5dB 125 watt PEP voice 1 5dB or 25 watt PEP two tone 1 5dB 30 watt PEP voice 1 5dB or 8 watt PEP two tone 1 5dB 10watt PEP voice 1 5dB Duty cycle 100 two tone input signal with fan option Protection Safe under all load conditions thermal protection against excessive power transistor temperatures Sideband s...

Page 8: ...d the Barrett 2050 HF Transceiver have been tested and comply with the Federal Communications Commission FCC RF exposure limits for the General Population Uncontrolled exposure environment In addition it complies with the following Standards and Guidelines FCC 96 326 Guidelines for Evaluating the Environmental Effects of Radio Frequency Radiation FCC OET Bulletin 65 Edition 01 01 2001 Supplement C...

Page 9: ... voice communication For FCC compliance when the 2050 transceiver is used at a power level of 100 watts PEP the antenna s used with this transceiver should be located at least 3 metres from the operator and should not be co located or operating in conjunction with any other antenna or transmitter For FCC compliance when the 2040 transceiver is used at a power level of 30 watts PEP the antenna s us...

Page 10: ...10 ...

Page 11: ...ltered as required by an inbuilt Digital Signal Processor In addition some of the receiver audio tones such as alarm tones and SELCALL send audio are generated and switched by the DSP This has removed the need for much of the circuitry required for the formerly complex audio switching The receiver s automatic gain control time constants are also handled by the DSP This makes possible specialised A...

Page 12: ...ne and control head cable are made by RJ 45 8 way connectors The control head communicates to the main body of the transceiver using RS 232 protocol at 33 6k baud The control head can be operated up to 50 meters from the transceiver main body The loudspeaker output connector is by a 3 5 mm jack Programming of the transceiver can be done from the infrared port located on the lower front centre wind...

Page 13: ...of the microprocessor board to 10 W 25 W or 125 W PEP depending on the power setting or whether the transceiver is mated with the 2040 manpack adaptor Seven low pass filters provide harmonic rejection over the full frequency range reduce receiver LO radiation and enhance image rejection in the receiver The PA PCB also contains the power protection circuitry guarding against over voltage and revers...

Page 14: ...croprocessor is loaded with the offset and an algorithm takes care of the compensation required Microprocessor The microprocessor is a large programmable gate array PGA U1 and is configured as a microprocessor by a program stored in flash memory U44 DDFS and VCO The synthesiser employs a Direct Digital Frequency Synthesiser U13 This synthesizer has a built in DAC which saves on external support co...

Page 15: ...ones Tones used are as follows International and OEM Selcall format High tone 1870 Hz Low tone 1700 Hz Centre tone 1785 Hz CCIR 493 4 International Standard format High tone 1785 Hz Low tone 1615 Hz Centre tone 1700 Hz Audio mute The DSP is used to provide three types of receiver muting These are SELCALL mute mutes the receiver until it receives a SELCALL addressed to it SSL mute mutes the receive...

Page 16: ...econdly it supplies some gain to overcome the loss of the first mixer but only sufficient to minimise its overload in the presence of strong unwanted signals Thirdly in combination with the attenuator formed by resistors R142 to R144 it provides a flat impedance match to the 45 MHz roofing filter F1 which follows another TR switch U54 Note that the TR switches and the mixers are all of the same pa...

Page 17: ...ly by the microprocessor U39 and are CMOS level square waves Third mixer Product detector This is a high level circuit around U62 and U57B and IF signal is switched by the carrier re insert signal CIO RX This mixer works in a different way to the previous mixers In this mixer the output voltage from the IF amplifier is converted to a current in R32 This current is either shunted to ground via C90 ...

Page 18: ...plugged into the small Remote Head Interface Board From here the audio signal passes to the Front panel Interface Board via an eight way cable with RJ45 connector at each end This cable is a long one where the head is used remotely or a very short cable when it is used as a front panel From the Front Panel Interface board the microphone audio is connected to the Microprocessor RF board Line input ...

Page 19: ...dance matching transformer T1 and the noise gate U40 switched through and then to the second mixer U48 The square wave CMOS level local oscillator LO2 is fed to pin 6 of U48 The second mixer output feeds the 45MHz filter after passing through TR switches U49 and U50 The two stage 45 MHz crystal filter removes the unwanted mixer products First mixer The now 45MHz signal is routed via TR switch U54 ...

Page 20: ...has the NAME of PRE AMP To turn the pre amp on RL10 must be SET Assume it starts off RESET The microprocessor causes the SET line which is common to all relays to the high state 12 volts Then the PRE AMP line on RL10 is put momentarily LOW This action causes RL10 to be SET and select the RF pre amp Conversely the amplifier can only be turned off or reset by taking the RESET line high and momentari...

Page 21: ...ct and no current will flow into the transceiver Auxiliary antenna socket A relay controlled by the microprocessor and mounted on the rear panel PCB allows a second antenna to be used to permit for instance a separate receiving antenna See operators manual for further details The second antenna socket position in the chassis can also be used to locate the GPS BNC antenna socket when the internal G...

Page 22: ...device D21 is located underneath the Enter button on the front panel When it detects a primary infrared device all other processes and button presses except the power are suspended Using the Barrett Programming Software data packs can be uploaded or downloaded to the transceiver at a baud rate of19200 This process takes between 20 to 45 seconds The front panel communicates with the body of the tra...

Page 23: ...e days is operated by Barrett Communications Call you dealer or Barrett Communications directly for details This section does however provide maintenance and fault finding procedures that can be carried out on Barrett 2000 series transceivers Opening the 2050 for PCB access Remove the plastic capstan covers by hand then using the Barrett tool or a M10 Allen key remove the M10 set screws from the s...

Page 24: ...eather proofing cover then remove the short RJ 45 interconnect cable Using the Barrett tool or a 2 Philips head screw driver remove the central panel screw Grasp both side lock slides and pull out Using the Barrett tool or an M4 Allen key remove two M4 x 16 cap screws on the rear panel ...

Page 25: ...ng suitable UNC 4 40 hex nut driver remove the two screw locks from the DB 7 power connector and the two screw locks from the DB 25 auxiliary connector Lift the PA section and hinge to one side Remove the ribbon cable connector and the two SMA connectors on the coaxial cables from the PA the PA is now free ...

Page 26: ... from the rear panel PCB IDC connector The 2050 is now disassembled Note To reassemble the 2050 transceiver use this process in reverse making sure ribbon connectors and coaxial connectors are reinstalled and that rubber and foam gaskets that were removed during disassembly are replaced in their original positions to maintain sealing ...

Page 27: ...s shown Using an M3 hex driver remove the cap screws as shown Grasp the front panel of the 2040 adaptor and gently pull away from the connectors Using a flat blade screw driver remove the wires from the terminal block to the connector on the battery cartridge housing ...

Page 28: ... cables before disassembly to enable re assembly The front panel is now free and can be removed Grasp the PCB edge of the automatic antenna tuner PCB and slide out Grasp the PCB edge of the battery charger PCB and gently pull out ...

Page 29: ...29 To access components on the battery charger PCB the RF shield must be un soldered ...

Page 30: ...d by carefully heating the solder joint on each remaining lead individually then carefully withdrawing the lead from the PCB using a pair of pliers Avoid pulling on the lead before the solder has fully melted around the lead as damage to plated through holes or layers of the PCB may occur Once the component has been removed use solder wick or a solder sucker to clear the remaining solder from the ...

Page 31: ...r PCB this can be achieved by unplugging the coaxial cable from the RF Audio PCB to the PA If working on the whole system with the power amplifier connected caution should be exercised when connecting probes in the input area of the PA board as a probe can cause instability which can drive the power amplifier to full power without ALC action being available resulting in damage to the power amplifi...

Page 32: ...he circuit diagram should be examined for parallel paths across these junctions caused by low resistance devices such as inductors before you remove a transistor that fails these tests Transistor tests dynamic some transistor faults can be diagnosed by measuring voltages within the circuit One of the most significant voltage measurements is the base emitter voltage The polarity of this will depend...

Page 33: ... DSP input Inject a low level 100mV audio signal into pin 3 of the product detectors amplifier U57 If the signal is not heard then the problem lies in the DSP unit The board should be exchanged Receiver noise present but does not receive Tune the receiver to a low frequency around 4 MHz touch the antenna input with a short piece of wire or a screwdriver Clicks and extra noise should be heard in th...

Page 34: ...icrophone socket or whistle into the microphone with the PTT activated A signal of approx 200mV P P should be observed If this signal is absent or very low then the fault is likely to lie in the RF Audio PCB if not re connect the cable between the two PCBs Now check link LK2 on the PA If it has blown then investigate the possibility of PA transistor failure before reconnecting the power If it is n...

Page 35: ... 3 3V 2 3V 15 Line audio input depending on input 3V P P nom 16 3rd Tx mixer output 455kHz 4V P P 17 Transmit audio Mixer 3 input 4V P P 18 I F Amplifier output 50dBm at antenna 1 3V P P 19 Rx audio from product detector for 50dBm signal input to Rx 1 7V P P 20 VCO frequency 10 4 5 7 5 MHz 21 Second local oscillator L O 2 Square wave 22 Carrier Insert Oscillator approx 455 KHz C I O Tx Square wave...

Page 36: ...0K BC 200K In the event of transistor damage continue as described Carefully remove all four M3 crosshead screws which hold the PA transistors in place Store them safely De solder the large 100R resistors the MRF455 s Prize up the collector leads carefully until they are clear of the PCB The collectors have a bevelled tab Prize up both opposed emitter tabs carefully Extra heat is required here as ...

Page 37: ...d in the factory using a software package and should require no further adjustment To check the transceivers frequency use the Tune function note that when using a frequency counter to measure the RF that the tune function emits a carrier 1 6kHz above the Suppressed Carrier Frequency SCF displayed frequency e g a channel programmed to 3000 00 kHz will measure as 3001 60kHz Microprocessor RF Audio ...

Page 38: ... RV2 All PA potentiometers have been factory set and should only be adjusted in the event of PA or driver transistor replacement No other adjustments are provided Driver bias setup If the driver FETs have been replaced RV3 RV4 should be set fully anticlockwise Power can then be applied to the transceiver and PTT operated Set the transceiver to about 7 MHz and apply a two tone test signal to the li...

Page 39: ...ied to the transceiver and PTT operated but with no audio input RV2 should be carefully adjusted to obtain 0 67 V on TP09 LK2 DC feed to the PA can then be used to monitor PA current With PTT active and no applied audio RV2 should be readjusted to obtain 350 mA current feeding the PA stage Replace the two links and test with a two tone signal as for driver bias setup ...

Page 40: ...the factory and require an export licence Note PIN numbers relate to the electronic serial number of the transceiver A PIN number issued by the factory for an option installation will only operate with a transceiver with a serial number that it was specified for Internal jumper settings The 2050 transceiver has no internal jumpers Internal PCB options Pactor III Modem Clover 2000 modem Features an...

Page 41: ...Bs P2 is the connection point for the Automatic Tuning Antenna and provides the internal tuner with control signals power supplies and the RF connections from the 2050 transceiver P3 provides the connections to the internal charger PCB The internal charger PCB transfers the battery voltage through to the 2050 Transceiver via P7 and provides the signal lines from the front panel PCB through to the ...

Page 42: ...his operates as a step down converter with L1 C7 and C8 smoothing the ripple D4 is a high speed freewheeling diode R10 11 and 27 form a voltage divider for giving feedback voltage to the controller IC U1 BQ 24700 VR2 and VR1 provide voltage to U1 for setting Input and output current limits respectively These currents are senses by the drop across R7 and R8 respectively and fed to pins 11 12 and 16...

Page 43: ...e load to the transmitter so that it can provide a full 20W during tuning Whenever the pad is used a phase detector is also switched in This comprises of a current sense transformer T3 and a voltage sense capacitor C26 These two signals are mixed and rectified via a diode network and generate a DC voltage whose polarity directly relates to either leading or lagging load The signal is converted to ...

Page 44: ... above resonance where the inductance is small The impedance transformer will try to match the whip to the transmitter to give highest feed current If the feed current is not high enough the tuner assumes that a long wire antenna is connected Generally use of the long wire will involve tuning out much larger inductances so shunt capacitors C21 and C22 are employed to make the wire appear slightly ...

Page 45: ...45 Rear panel connectors ...

Page 46: ... Aux dig out 2 Linear LPF select Active low 0V 17 Aux dig out 3 Linear LPF select Active low 0V 18 Aux dig out 4 Linear LPF select Selcall alarm Active low 0V 19 Aux dig out 5 Linear LPF select Audio mute Active low 0V 20 Aux dig in 2 Future use Active low 0V 21 PTT C Mute PTT Out Receiver Cross Mute Active low 0V 22 Not Used Not Used 23 13 8 V Fused Out 13 8V Output to power auxiliary equipment 1...

Page 47: ...RX GPS TTL data input Fan connector 1 13 8VDC 2 Fan control active low Automatic antenna 1 Tune Initiates tune 911 preamp active low 910 2 13 8VDC interrupted for 910 tune initiate 3 Tuned Tune successful low going pulse 4 Ground 0V Power connector 1 Fan control out Active low 0V 2 Speaker out External speaker 0 10V 3 N C 4 N C 5 N C A1 13 8VDC input 13 8VDC A2 13 8VDC Ground 13 8VDC Ground ...

Page 48: ...view Rear Panel PCB schematic and overlay Click here to view Control Head PCB schematic and overlay Click here to view Control Head Transition PCB schematic and overlay 2040 manpack adaptor Click here to view Front Panel PCB schematic and overlay Click here to view Base PCB schematic and overlay Click here to view Automatic antenna tuner PCB schematic and overlay Click here to view Internal charge...

Page 49: ...03 X7R NB CP 11666 C18 Cap 100nF 5 50V 0603 X7R NB CP 11666 C19 Cap 100nF 5 50V 0603 X7R NB CP 11666 C20 Cap 100nF 5 50V 0603 X7R NB CP 11666 C21 Cap 100nF 5 50V 0603 X7R NB CP 11666 C22 Cap 100nF 5 50V 0603 X7R NB CP 11666 C23 Cap 100nF 5 50V 0603 X7R NB CP 11666 C24 Cap 100nF 5 50V 0603 X7R NB CP 11666 C25 Cap 1uF 5 16V 0805 Y5V CP 11674 C26 Cap 100nF 5 50V 0603 X7R NB CP 11666 C27 Cap 100nF 5 5...

Page 50: ...0V 0603 X7R NB CP 11666 C68 Cap 10nF 5 50V 0603 X7R NB CP 11667 C69 Cap 100nF 5 50V 0603 X7R NB CP 11666 C70 Cap 47uF 16v 10 Case D CP 11665 C71 Cap 470uF 20 Electro Case G 25V SMD CP 11719 C72 Cap 100nF 5 50V 0603 X7R NB CP 11666 C73 Cap 100nF 5 50V 0603 X7R NB CP 11666 C74 Cap 1nF 5 50V 0603 NPO NB CP 11668 C75 Cap 100nF 5 50V 0603 X7R NB CP 11666 C76 Cap 100nF 5 50V 0603 X7R NB CP 11666 C77 Cap...

Page 51: ... 0805 Y5V CP 11674 C120 Cap 1uF 5 16V 0805 Y5V CP 11674 C121 Cap 100nF 5 50V 0603 X7R NB CP 11666 C122 Cap 1uF 5 16V 0805 Y5V CP 11674 C123 Cap 1uF 5 16V 0805 Y5V CP 11674 C124 Cap 10uF 16v Y5V 80 20 1206 NB CP 11710 C125 Cap 10uF 16v Y5V 80 20 1206 NB CP 11710 C126 Cap 10uF 16v Y5V 80 20 1206 NB CP 11710 C127 Cap 10nF 5 50V 0603 X7R NB CP 11667 C128 Cap 22uF Tant 16V C or D case CP 01590 C129 Cap...

Page 52: ...B CP 11710 C172 Cap 56pF 5 50V 0603 NPO NB CP 11677 C173 Cap 150pF 5 50V 0603 NPO NB CP 11686 C174 Cap 22pF 5 50V 0603 NPO NB CP 11675 C175 Cap 39pF 5 50V 0603 NPO NB CP 11691 C176 Cap 180pF 5 50V 0603 NPO NB CP 11688 C177 Cap 100nF 5 50V 0603 X7R NB CP 11666 C178 Cap 100nF 5 50V 0603 X7R NB CP 11666 C179 Cap 56nF 5 50V 0603 Y5V NB CP 11700 C180 Cap 470nF 5 50V 0603 Y5V NB CP 11696 C181 Cap 470nF ...

Page 53: ...6V 0805 Y5V CP 11674 C224 Not Fitted C225 Cap 100nF 5 50V 0603 X7R NB CP 11666 C226 Cap 10nF 5 50V 0603 X7R NB CP 11667 C227 Cap 3n3 5 50V 0603 X7R NB CP 11692 C228 Cap 3n3 5 50V 0603 X7R NB CP 11692 C229 Cap 10uF 16v Y5V 80 20 1206 NB CP 11710 C230 Cap 10uF 16v Y5V 80 20 1206 NB CP 11710 C231 Cap 1uF 5 16V 0805 Y5V CP 11674 C232 Cap 1uF 5 16V 0805 Y5V CP 11674 C233 Cap 10uF 16v Y5V 80 20 1206 NB ...

Page 54: ...03 NPO NB CP 11701 C277 Cap 10pF 5 50V 0603 NPO NB CP 11701 C278 Cap 18pF 5 50V 0603 NPO NB CP 11689 C279 Cap 18pF 5 50V 0603 NPO NB CP 11689 C280 Cap 8p2 0 5pF 50V 0603 NPO NB CP 11695 C281 Cap 33pF 5 50V 0603 NPO NB CP 11714 C282 Cap 10pF 5 50V 0603 NPO NB CP 11701 C283 Cap 10nF 5 50V 0603 X7R NB CP 11667 C284 Cap 100nF 5 50V 0603 X7R NB CP 11666 C285 Cap 10uF 16v Y5V 80 20 1206 NB CP 11710 C286...

Page 55: ...ky DI 03356 D11 Di ZHCS400 SOD323 Schottky DI 03356 F1 Crystal Filter 45E2F2 FI 07603 F2 Crystal Filter 45E2F2 FI 07603 F4 Crystal Filter 455Khz XOOF05A FI 07602 F5 Ceramic Filter CFJ455K5 FI 07604 F6 Ceramic filter SFE10 7ML FI 07601 F7 Ceramic filter SFE10 7ML FI 07601 F8 45MHz NEW OPTIONAL F9 CFJ455K OPTION J1 Header 16W M Dual ST PCB SMD 2 5mm SPC Pegged CN 24142 L1 Ind 10uH 1210 IN 03600 L2 I...

Page 56: ... IDC 10W F RA CN 24144 P7 Header 10W M Dual ST PCB SMD 2 5mm SPC Pegged CN 24140 P8 Cable 2000 RF to PA Coax SA 20010 P9 Conn Jack 3 5mm F Mono RA PCB CN 24139 P10 Conn Jack 3 5mm F Mono RA PCB CN 24139 Q1 Trans BSP17 SOT223 Mosfet TR 02207 Q2 Trans SST309 SMD TR 02259 Q3 Trans BFR92A SOT23 TR 02260 Q4 Trans SST309 SMD TR 02259 Q5 Trans BFQ17 SOT89 1GHz Wideband NPN TR 02288 Q6 Trans BFR92A SOT23 ...

Page 57: ... 063W 0603 NB RE 10291 R28 Res 10k 5 0 063W 0603 NB RE 10277 R29 Res 10k 5 0 063W 0603 NB RE 10277 R30 Res 10k 5 0 063W 0603 NB RE 10277 R31 Res 10k 5 0 063W 0603 NB RE 10277 R32 Res 10k 5 0 063W 0603 NB RE 10277 R33 Res 10k 0 063W 1 0603 NB RE 10304 R34 Res 10k 0 063W 1 0603 NB RE 10304 R35 Res 10k 5 0 063W 0603 NB RE 10277 R36 Res 10k 5 0 063W 0603 NB RE 10277 R37 Res 10k 5 0 063W 0603 NB RE 102...

Page 58: ...63W 0603 NB RE 10287 R80 Res 47k 0 063W 5 0603 NB RE 10326 R81 Res 680R 0 063W 5 0603 NB RE 10329 R82 Res 33k 0 063W 5 0603 NB RE 10318 R83 Res 2k2 5 0 063W 0603 NB RE 10280 R84 Res 3k9 0 063W 5 0603 NB RE 10324 R85 Res 22k 0 063W 5 0603 NB RE 10311 R86 Res 56R 5 0 063W 0603 NB RE 10286 R87 Res 220k 5 0 063W 0603 NB RE 10289 R88 Res 220k 5 0 063W 0603 NB RE 10289 R89 Res 15k 0 063W 5 0603 NB RE 10...

Page 59: ... RE 10278 R132 Res 6k2 0 063W 5 0603 NB RE 10331 R133 Res 220R 5 0 063W 0603 NB RE 10279 R134 Res 22k 0 063W 5 0603 NB RE 10311 R135 Res 100k 5 0 063W 0603 NB RE 10291 R136 Res 220R 5 0 063W 0603 NB RE 10279 R137 Res 680R 0 063W 5 0603 NB RE 10329 R138 Res 10R 5 0 063W 0603 NB RE 10278 R139 Res 56R 5 0 063W 0603 NB RE 10286 R140 Res 330R 0 063W 5 0603 NB RE 10317 R141 Res 15R 0 063W 5 0603 NB RE 1...

Page 60: ... NB RE 10286 R184 Res 10k 5 0 063W 0603 NB RE 10277 R185 Res 100k 5 0 063W 0603 NB RE 10291 R186 Res 39k 0 063W 5 0603 NB RE 10322 R187 Not Fitted R188 Res 100R 5 0 063W 0603 NB RE 10283 R189 Res 10k 5 0 063W 0603 NB RE 10277 R190 Res 10R 5 0 063W 0603 NB RE 10278 R191 Res 39k 0 063W 5 0603 NB RE 10322 R192 Res 39k 0 063W 5 0603 NB RE 10332 R193 Res 56R 5 0 063W 0603 NB RE 10286 R194 Res 3k3 0 063...

Page 61: ...GS SO8 IC 20023 U4 IC OP279GS SO8 IC 20023 U5 IC OP279GS SO8 IC 20023 U6 IC OP279GS SO8 IC 20023 U7 IC OP279GS SO8 IC 20023 U8 IC LM358M SMD IC 02706 U9 IC NC7SZ14M5X SOT23 5 IC 20010 U10 IC NC7SZ00M5X SOT23 5 IC 20030 U11 IC NC7SB3157P6X MAA06A IC 20035 U12 IC AD9831AST ST 48 IC 20019 U13 IC ULN2003AD SO16 SMD IC 02717 U14 IC LT1616ES6 SOT 23 IC 20008 U15 IC ULN2003AD SO16 SMD IC 02717 U16 IC ULN...

Page 62: ...20035 U49 IC NC7SB3157P6X MAA06A IC 20035 U50 IC NC7SB3157P6X MAA06A IC 20035 U51 IC NC7SB3157P6X MAA06A IC 20035 U53 IC NC7SB3157P6X MAA06A IC 20035 U54 IC NC7SB3157P6X MAA06A IC 20035 U55 IC NC7SZ14M5X SOT23 5 IC 20010 U56 IC 74AC74 SMD IC 02702 U57 IC OP279GS SO8 IC 20023 U58 IC LT1616ES6 SOT 23 IC 20008 U59 IC OP279GS SO8 IC 20023 U60 IC 78l05ACM SO8 IC 00076 U61 IC NC7SB3157P6X MAA06A IC 2003...

Page 63: ...B CP 00066 C19 Cap 680pF 5 500V 1206 NPO NB CP 00068 C20 Cap 470pF 5 500V 1206 NPO NB CP 00066 C21 Cap 470pF 5 500V 1206 NPO NB CP 00066 C22 Cap 39pF 5 500V 1206 NPO NB CP 00054 C23 Cap 180pF 5 500V 1206 NPO NB CP 00061 C24 Cap 820pF 5 500V 1206 NPO NB CP 00069 C25 Cap 39pF 5 500V 1206 NPO NB CP 00054 C26 Cap 470pF 5 500V 1206 NPO NB CP 00066 C27 Cap 39pF 5 500V 1206 NPO NB CP 00054 C28 Cap 820pF ...

Page 64: ... 5 50V 0603 NPO NB CP 11673 C75 Cap 100pF 5 50V 0603 NPO NB CP 11673 C76 Cap 820pF 5 500V Silver mica CP 02134 C77 Cap 820pF 5 500V Silver mica CP 02134 C78 Cap 680pF 5 500V 1206 NPO NB CP 00068 C79 Cap 680pF 5 500V 1206 NPO NB CP 00068 C80 Cap 560pF 1206 10 50V CP 11658 C81 Cap 330pF 5 63V 1206 NPO NB CP 00160 C82 Cap 56pF 5 500V 1206 NPO NB CP 00056 C83 Cap 39pF 5 500V 1206 NPO NB CP 00054 C84 C...

Page 65: ...NB CP 11668 C127 Cap 1n5 5 50V 0603 NPO NB CP 11707 C128 Cap 100pF 5 50V 0603 NPO NB CP 11673 C129 Cap 100nF 5 50V 0603 X7R NB CP 11666 C130 Cap 100nF 5 50V 0603 X7R NB CP 11666 C131 Cap 100nF 5 50V 0603 X7R NB CP 11666 C132 Cap 33pF 5 50V 0603 NPO NB CP 11714 C133 Cap 100uF 20 Electro Case SMD CP 11705 C134 Cap 100nF 5 50V 0603 X7R NB CP 11666 C135 Cap 100nF 5 50V 0603 X7R NB CP 11666 C137 Cap 10...

Page 66: ... 2000 PA IN 15028 L4 Ind 22T L3 4 28 2000 PA IN 15028 L5 Ind 17T L5 29 2000 PA IN 15029 L6 Ind 18T L6 2000 PA IN 15030 L7 Ind 13T L7 8 30 2000 PA IN 15031 L8 Ind 13T L7 8 30 2000 PA IN 15031 L9 Ind 11T L9 10 31 2000 PA IN 15032 L10 Ind 11T L9 10 31 2000 PA IN 15032 L11 Ind 9T L11 12 32 2000 PA IN 15033 L12 Ind 9T L11 12 32 2000 PA IN 15033 L13 Ind 7T L13 14 33 2000 PA IN 15034 L14 Ind 7T L13 14 33...

Page 67: ... Res 47R 1 1 8W 1206 NB RE 00113 R5 Res 47R 5 0 063W 0603 NB RE 10281 R6 Res 47R 5 0 063W 0603 NB RE 10281 R7 Res 470R 5 0 063W 0603 NB RE 10285 R8 Res 47k 0 063W 5 0603 NB RE 10326 R9 Res 100k 5 0 063W 0603 NB RE 10291 R10 Res 100R 1 1 8W 1206 NB RE 00117 R11 Res 100R 1 1 8W 1206 NB RE 00117 R12 Res 100R 5 0 063W 0603 NB RE 10283 R13 Res 10k 5 0 063W 0603 NB RE 10277 R14 Res 68k 0 063W 5 0603 NB ...

Page 68: ...TCHING SMD RL 00077 RL4 Relay EA2 12T LATCHING SMD RL 00077 RL5 Relay EA2 12T LATCHING SMD RL 00077 RL6 Relay EA2 12T LATCHING SMD RL 00077 RL7 Relay EA2 12T LATCHING SMD RL 00077 RL8 Relay EA2 12T LATCHING SMD RL 00077 RL9 Relay EP1 3LIS NEC RL 05020 RL10 Relay EA2 12T LATCHING SMD RL 00077 RL11 Relay EA2 12T LATCHING SMD RL 00077 RL12 Relay EA2 12T LATCHING SMD RL 00077 RV2 Pot 500R 0 25W 20 4mm...

Page 69: ... Cap 100nF 5 50V 0603 X7R NB CP 11666 C2 Cap 1uF 5 16V 0805 Y5V CP 11674 C3 Cap 10uF 20 Tant 25V Case C CP 01575 D1 Di BAV70 SMD DI 03316 D2 Di BAV70 SMD DI 03316 D3 Di GF1A DO 214BA Power DI 03354 P1 Conn Header M 34W Dual ST CN 24153 P2 Cable 2000 PA Control Loom SA 20008 P3 Conn Minifit 6pin PCB St CN 24152 P4 Conn Minifit 4pin PCB St CN 03953 P5 Conn Chassis C32 08 REC11 2 UHF S HOL MOUNT CN 0...

Page 70: ... 11674 C19 Cap 22uF Tant 16V C or D case CP 01590 C20 Cap 100nF 5 50V 0603 X7R NB CP 11666 C21 Cap 1uF 5 16V 0805 Y5V CP 11674 C22 Cap 100nF 5 50V 0603 X7R NB CP 11666 C23 Cap 100nF 5 50V 0603 X7R NB CP 11666 C24 Cap 100nF 5 50V 0603 X7R NB CP 11666 C25 Cap 100nF 5 50V 0603 X7R NB CP 11666 C26 Cap 100nF 5 50V 0603 X7R NB CP 11666 C27 Cap 100nF 5 50V 0603 X7R NB CP 11666 C28 Cap 22uF Tant 16V C or ...

Page 71: ... 10R IN 03601 L2 Ind 100uH 1210 10 10R IN 03601 L3 100uH 3DF TOKO IN 15025 L5 10uH 3DF TOKO IN 15007 L6 10uH 3DF TOKO IN 15007 L7 10uH 3DF TOKO IN 15007 P1 Header 20W M Dual ST PCB SMD 2 5mm SPC Pegged CN 24154 P2 Conn Ribbon 20W 0 5mm RA SMD CN 24157 P3 Conn Ribbon 20W 0 5mm RA SMD CN 24157 Q1 Trans NDT456 SOT 223 P CH Power FET TR 02292 Q2 Trans 2N7002 LT 1 Fet SOT23 TR 02282 Q3 Trans BSP17 SOT2...

Page 72: ...R35 Res 1k 5 0 063W 0603 NB RE 10287 R36 Res 100R 5 0 063W 0603 NB RE 10283 R37 Res 1k 5 0 063W 0603 NB RE 10287 R38 Res 47k 0 063W 5 0603 NB RE 10326 R39 Res 47k 0 063W 5 0603 NB RE 10326 R40 Res 470k 0 063W 5 0603 NB RE 10325 R41 Res 47R 5 0 063W 0603 NB RE 10281 R42 Res 47R 5 0 063W 0603 NB RE 10281 R43 Res 10k 5 0 063W 0603 NB RE 10277 R44 Res 10k 5 0 063W 0603 NB RE 10277 R45 Res 1k 5 0 063W ...

Page 73: ...schematic and overlay PC 2000P04 A0 Control Head Transition PCB Parts List Designator Description Barrett Part Number P1 Conn IDC 20W Low Profile Header CN 24155 P2 Conn RJ45 Dual RA Gang Lo Prof Shielded Inverted CN 24156 P3 Plug 6 pin Polarised CN 14106 P4 Conn Jack 3 5mm F Mono RA PCB CN 24139 ...

Page 74: ... NB CP 11666 C25 Cap 1uF 5 16V 0805 Y5V CP 11674 C26 Cap 100nF 5 50V 0603 X7R NB CP 11666 C27 Cap 22uF Tant 16V Case C CP 01590 C28 Cap 10nF 5 50V 0603 X7R NB CP 11667 C29 Cap 10nF 5 50V 0603 X7R NB CP 11667 C30 Cap 100nF 5 50V 0603 X7R NB CP 11666 C31 Cap 100nF 5 50V 0603 X7R NB CP 11666 C32 Cap 100nF 5 50V 0603 X7R NB CP 11666 C3 Cap 100nF 5 50V 0603 X7R NB CP 11666 C4 Cap 100nF 5 50V 0603 X7R N...

Page 75: ... Res 180k 0 063W 5 0603 NB RE 10309 R2 Res 10k 5 0 063W 0603 NB RE 10277 R20 Res 10k 5 0 063W 0603 NB RE 10277 R21 Res 10k 5 0 063W 0603 NB RE 10277 R22 Res 10k 5 0 063W 0603 NB RE 10277 R23 Res 10k 5 0 063W 0603 NB RE 10277 R24 Res 10k 5 0 063W 0603 NB RE 10277 R25 Res 10k 5 0 063W 0603 NB RE 10277 R26 Res 10k 5 0 063W 0603 NB RE 10277 R27 Res 1k 5 0 063W 0603 NB RE 10287 R28 Res 1k 5 0 063W 0603...

Page 76: ...er P1 Conn D25M ST Wire Wrap CN 24180 P2 Conn Header M 14W Dual ST CN 24190 P3 Conn Header M 40W Dual ST CN 24191 P4 Conn Pin UHF M PCB ST Custom CN 20419 Conn RF Shell UHF M PCB ST Custom CN 20424 P5 Conn Pin UHF M PCB ST Custom CN 20419 Conn RF Shell UHF M PCB ST Custom CN 20424 P7 Conn D 7W 2P 5D F ST Cable CN 24166 Contact F 30A Cable For 2P 5D CN 24168 ...

Page 77: ...P 11668 C18 Cap 10nF 5 50V 0603 X7R NB CP 11667 C19 Cap 100nF 5 50V 0603 X7R NB CP 11666 C21 Cap 220pF 5 500V 1206 NPO NB CP 00062 C22 Cap 220pF 5 500V 1206 NPO NB CP 00062 C24 Cap 10uF 16v Y5V 80 20 1206 NB CP 11710 C25 Cap 10uF 16v Y5V 80 20 1206 NB CP 11710 C26 Cap 10pF 5 50V 0603 NPO NB CP 11701 C27 Cap 100nF 5 50V 0603 X7R NB CP 11666 C28 Cap 10uF 16v Y5V 80 20 1206 NB CP 11710 CP1 Cap Net 1n...

Page 78: ...elay EA2 12T LATCHING SMD RL 00077 RL6 Relay DK1a L2 12V Latching RL 00193 RL7 Relay DK1a L2 12V Latching RL 00193 RL8 Relay DK1a L2 12V Latching RL 00193 RL9 Relay DK1a L2 12V Latching RL 00193 RL10 Relay DK1a L2 12V Latching RL 00193 RL11 Relay DK1a L2 12V Latching RL 00193 RL12 Relay EA2 12T LATCHING SMD RL 00077 RL13 Relay DK1a L2 12V Latching RL 00193 RL14 Relay EA2 12T LATCHING SMD RL 00077 ...

Page 79: ... CP 11666 C18 Cap 1uF 50v Y5V 80 20 1206 NB CP 11723 C19 Cap 100nF 5 50V 0603 X7R NB CP 11666 C20 Cap 100nF 5 50V 0603 X7R NB CP 11666 C21 Cap 100nF 5 50V 0603 X7R NB CP 11666 C22 Cap 100nF 5 50V 0603 X7R NB CP 11666 C23 Cap 100nF 5 50V 0603 X7R NB CP 11666 C24 Cap 100nF 5 50V 0603 X7R NB CP 11666 C25 Cap 100nF 5 50V 0603 X7R NB CP 11666 C26 Cap 100nF 5 50V 0603 X7R NB CP 11666 C27 Cap 100nF 5 50V...

Page 80: ...5 0603 NB RE 10338 R13 Res 10k 5 0 063W 0603 NB RE 10277 R14 Res 10k 5 0 063W 0603 NB RE 10277 R15 Res 10k 5 0 063W 0603 NB RE 10277 R16 Res 10k 5 0 063W 0603 NB RE 10277 R17 Res 10k 5 0 063W 0603 NB RE 10277 R19 Res 10k 5 0 063W 0603 NB RE 10277 R20 Res 10k 5 0 063W 0603 NB RE 10277 R21 Res 10k 5 0 063W 0603 NB RE 10277 R24 Res 18k 0 063W 5 0603 NB RE 10338 R25 Res 100R 5 0 063W 0603 NB RE 10283 ...

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