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5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS

RE2100

5.6

KEYBOARD UNIT (MODULE 6) PART NO. 625636

The keyboard consists of a 4x8 matrix of which 26 keys are used. One side is connected to the
microprocessor data bus by an 8 bit driver. The other side is connected to 4 of the microprocessor ports.
By setting the 4 ports high and reading the data bus alternately it is possible to determine which key has
been activated. In this way the keyboard is scanned 100 times per second.
The keyboard light, consisting of 13 LEDs divided in 5 columns, is controlled by an open collector (Q02)
on the display print PCB, module 7. The power in each column is approx. 8.5 mA.

DIAGRAM KEYBOARD UNIT MODULE 6

This diagram is valid for PCB rev. 25636F

PAGE 5-35

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Содержание RE2100

Страница 1: ...S P RADIO A S AALBORG DENMARK TECHNICAL MANUAL FOR COMPACT HF SSB RE2100...

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Страница 3: ...nd the accompanying documentation is disclaimed The information in this manual is furnished for informational use only is subject to change without notice may contain errors or inaccuracies and repres...

Страница 4: ......

Страница 5: ...NT AND CHECK AFTER REPAIR 3 56 3 9 FUNCTION CHECK 3 58 3 10 SELECTION AND DESCRIPTION OF THE SERVICE PROGRAMMES 3 60 4 MECHANICAL DISASSEMBLING AND MODULE LOCATION 4 1 ADJUSTMENTS AND LOCATIONS 4 1 5...

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Страница 7: ...1 INTRODUCTION 1 1 1 2 DESCRIPTION OF SAILOR HF SSB PROGRAMME 1 1 1 3 GENERAL DESCRIPTION OF SAILOR HF SSB RE2100 1 2 1 4 TECHNICAL DATA complies with SOLAS ITU CEPT MPT DOC FTZ KSR FCC 1 3 1 5 CONTR...

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Страница 9: ...uirements within HF radio communication The SAILOR HF SSB programme consists of one main control unit and three transmitters with different power levels 250W 600W 1200W PEP To obtain maximum performan...

Страница 10: ...to 30 MHz in transmit mode SAILOR HF SSB RE2100 can operate in both simplex and semi duplex SAILOR HF SSB RE2100 includes all ITU channels from 4 MHz to 25 MHz SAILOR HF SSB RE2100 includes channel sc...

Страница 11: ...Operating Temperature Range 15 C to 55 C Frequency Stability Better than 0 34 ppm Primary Voltage 24V DC 10 30 Current Drain Receiver standby 0 9A Transmit voice 7A Transmit two tone 13A T2130 Aerials...

Страница 12: ...0 Hz Squelch Voice activated opens for SINAD 6 dB Audio Power 5 Watt 8 ohm less than 10 distortion 10 Watt 4 ohm less than 10 distortion AERIAL COUPLER AT2110 Power 250W PEP Aerials 7 15m Temperature...

Страница 13: ...Tunes the receive frequency down FREQ Tunes the receive frequency up CLARIF TUNE Switches between clarifier 10 Hz steps and tune of receive frequency RX Selects receive functions or converts a channel...

Страница 14: ...Switches the squelch function on off DEL MODE Selects modulation type J3E R3E H3E and J3E lower side band J3E lower side band is optional SC Selects the scan programme 7 Digits from 1 to 9 and 0 STOP...

Страница 15: ...er for upper sideband 59 27 MHz RECEIVER FRONT END This unit contains input protection circuit input filters mixer and 70 MHz IF The input filter is a mixture of lowpass highpass and bandpass filter t...

Страница 16: ...ilter and an amplifier From the amplifier the signal is fed to the second mixer which converts the frequency from 1 6 MHz to 30 MHz After the mixer a lower side signal is converted to an upper sideban...

Страница 17: ...on Squelch Independent on Squelch Tune Alarm Ringing Tones on off Volume contr Switch Distress driver Tune alarm generator u Processor select SPI adress 5V power supply 5V power supply 5V power supply...

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Страница 19: ...RE2100 CONTENTS 2 INSTALLATION 2 1 MOUNTING POSSIBILITIES 2 1 2 2 DIMENSIONS AND DRILLING PLAN 2 3 2 3 ELECTRICAL CONNECTION AND ASSEMBLING 2 8...

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Страница 21: ...INSTALLATION 2 1 MOUNTING POSSIBILITIES TABLETOP AND DECKHEAD Mounting bracket H2055 which offers the same possibilities for the loudspeakers H2054 and H2074 Mounting kit H2068 and H2055 4 0 25931 4...

Страница 22: ...ting kit H2063 which offers the same possibilities for the loudspeakers H2054 and H2074 Mounting kit H2062 or Mounting kit H2064 IN CONJUNCTION WITH OTHER SAILOR EQUIPMENT Look up the INSTALLATION sec...

Страница 23: ...bletop bulkhead or deckhead For other possibilities such as console installation the SAILOR 19 rack or all units in the Compact programme assembled on the bulkhead see special information concerning i...

Страница 24: ...ATION RE2100 PAGE 2 4 4 0 25934 4 0 25928 4 0 25929 MOUNTING KIT H2068 AND H2055 WEIGHT Lashing kit H2068 1 5 kg Mounting kit H2055 1 5 kg Loudspeaker H2054 5 5 kg Loudspeaker H2074 4 0 kg HF SSB RE21...

Страница 25: ...UNTING KIT H2063 Free distance must be kept to allow freeaircirculationambienttempera ture max 40 C WEIGHT Mounting kit H2063 1 0 kg Loudspeaker H2054 5 5 kg Loudspeaker H2074 4 0 kg HF SSB RE2100 4 5...

Страница 26: ...T H2064 Free distance must be kept to allow freeaircirculationambienttempera ture max 4o C WEIGHT Mounting kit H2064 1 5 kg Loudspeaker H2054 5 5 kg Loudspeaker H2074 4 0 kg HF SSB RE2100 4 5 kg 4 0 2...

Страница 27: ...H2062 Free distance must be kept to allow freeaircirculationambienttempera ture max 40o C WEIGHT Mounting kit H2062 1 5 kg Loudspeaker H2054 5 5 kg Loudspeaker H2074 4 0 kg HF SSB RE2100 4 5 kg 4 0 2...

Страница 28: ...D White Pin no 4 Pin no 4 Mic Blue Pin no 5 GND Shield Pin no 5 Mic key Brown Pin no 6 SP BUS interrupt Red Pin no 6 Ext SQ on off Pin no 7 Orange Pin no 7 Distress Pin no 8 Yellow Pin no 8 Ser Pin no...

Страница 29: ...ANCE CHECK OF SYNTHESIZER UNIT 3 37 3 6 4 MODULE PERFORMANCE CHECK OF EXCITER UNIT 3 40 3 6 5 PERFORMANCE CHECK OF MICROPROCESSOR MODULE 5 3 42 3 6 8 MODULE PERFORMANCE CHECK OF POWER UNIT 3 47 3 7 AD...

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Страница 31: ...d any foreign bodies shall be done at regular intervals not exceeding 12 months Along with each RE2100 a test sheet is delivered in which all the measurements made in the test department of the factor...

Страница 32: ...ency Range 100 Hz 120 MHz Resolution 1 Hz at f 100 MHz Accuracy 1 10 7 Sensitivity 100 mV RMS Input Impedance 1 Mohm 30 pF E g Philips type PM6669 031 HF SIGNAL GENERATOR Frequency Range 100 kHz 100 M...

Страница 33: ...CE RE2100 PAGE 3 3 AA119 AA119 ceramic 1nF 1nF ceramic To multimeter RF Metal tube Insulating material 10 00 12 00 70 00 10 25079 LAYOUT OF THE PROBE TEST PROBE 50 OHM DUMMY LOAD 50 ohm 50 ohm EMF los...

Страница 34: ...100 The testbox has a built in AF amplifier which makes it possible to connect a loudspeaker directly to the testbox The testbox has a built in unit to control the function of the SP BUS output By mea...

Страница 35: ...3 SERVICE RE2100 PAGE 3 5 DIAGRAM TESTBOX...

Страница 36: ...ocated at the back of the RE2100 In this 25 pin connector it is possible to find all the other inputs outputs and testpoints The pin configuration for this connector is listed in chapter 2 3 ELECTRICA...

Страница 37: ...re generated by the RE2100 and they therefore indicate a fault in this unit ERROR CODES 00 Internal power supply is low Check the power connections to the RE2100 or check the internal power regulators...

Страница 38: ...indicate any receiver fault A receiver fault can be in the aerial coupler AT2110 in the transmitter T2130 or in the receiver unit To separate a fault in these units disconnect the aerial cable at the...

Страница 39: ...cludes a number of measurements where a signal generator is needed The output level of the generator is in this manual expressed in terms of the Electromotive Force EMF and it is measured in terms of...

Страница 40: ...e handset button TX 7 Control that the point in the TX frequency window is toggled 8 Press the keyboard buttons while the point is toggled to key in the transmitter frequency 7890 0 kHz 9 Press the ke...

Страница 41: ...check is described in this manual chapter 3 3 PROPOSAL FOR NECESSARY TEST EQUIPMENT This chapter contains the following sections 3 5 2 1 PERFORMANCE CHECK OF RECEIVER SENSITIVITY 3 5 2 2 PERFORMANCE...

Страница 42: ...fully clockwise and make sure that the AGC is operative f Notice the output level by means of a voltmeter g Remove modulation from the generator signal and notice the reduction of the output which ex...

Страница 43: ...t level found in point 4 c e Change the signal generator frequency fG and the generator output level VG according to point 2 in table 7 and control the voltage on 0 dBm output to be above the value fo...

Страница 44: ...output level VG according to point 6 3 Connect a frequency counter to 0 dBm output on the testbox 4 Activate the frequency tune and let the frequency fRX change in 100 Hz steps and control with the c...

Страница 45: ...the voltmeter shall be less than 3 dB 9 Notice the AF output level by means of the voltmeter at the 0 dBm output 10 Turn the AGC OFF and adjust the RF GAIN control to achieve the output level found in...

Страница 46: ...shown in figure SSB decay SSB DECAY A 0 5V div 200 msecs div B 5V div 25 Select test programme SP 04 7 26 Set the timebase on the oscilloscope to 50 msecs div 27 Set the signal generator in amplitude...

Страница 47: ...the RE2100 You will now hear the receiver noise from the loudspeaker 5 Control that the AF output is muted after about 10 secs 6 Connect the signal generator to the aerial socket again 7 Control that...

Страница 48: ...rmance check is described in this manual chapter 3 3 PROPOSAL FOR NECESSARY TEST EQUIPMENT This chapter consists of the following sections 3 5 3 1 Performance Check of Exciter Output Signal 3 5 3 2 Pe...

Страница 49: ...keyboard button TEST ALARM 24 Control that the alarm tone can be heard in the handset earpiece 3 5 3 2 PERFORMANCE CHECK OF EXCITER FREQUENCIES AND CLASSES OF EMISSION 1 If only this section is perfor...

Страница 50: ...21 Select the emission mode TELEX on RE2100 22 Set the testbox switch MIC KEY on 23 Control that the HF output shown on the oscilloscope is 4 0 0 5Vpp 3 5 3 3 PERFORMANCE CHECK OF EXCITER MICROPHONE A...

Страница 51: ...th all modules mounted in the HF SSB RE2100 and if a testbox is available it should be used The RE2100 the power supply and the handset are all connected to the testbox as described in chapter 3 3 PRO...

Страница 52: ...by the Second Mixer because of its relatively large power gain of about 8 dB It is therefore most likely that a degradation of the sensitivity is caused by the mixer but be aware that this is not the...

Страница 53: ...V 3 6 1 3 CHECK OF CRYSTAL FILTERS 2nd IF The selectivity of the second intermediate frequency is given by the crystal filters SSB or AM filter which form an important part of the overall receiver sel...

Страница 54: ...volt at testpoint TP1 1 12 To measure the 6 dB bandwidth increase VG by 6 dB and notice that the measured voltage will increase to about 14 Volt 13 Increase the receiver by means of the upward arrow...

Страница 55: ...l VG by 36 dB relative to VG in point 20 25 To check the stopband attenuation key in the frequencies 982 9 kHz and 997 1 kHz and control in each case the voltage at testpoint TP1 1 to be below 5 volt...

Страница 56: ...stant output level would require an infinite gain of the 2nd IF amplifier The performance of the AGC above the threshold level is checked by measuring the flatness of the AGC characteristic This measu...

Страница 57: ...detector output level use the check procedure given in section 3 6 1 6 If the Front End Unit the 2nd mixer and 2nd IF filter and the AGC amplifier all perform as expected the 2nd IF amplifier must fin...

Страница 58: ...stpoint TP3 1 for measuring the AGC voltage and select AC coupling 3 Connect a probe from testpoint TP4 2 collector of transistor Q01 2 located at front end unit to the external trigger input on the o...

Страница 59: ...voltage of transistor Q14 1 divided by the voltage gain of the AGC amplifier which is built up around transistor Q16 1 1 Connect the generator to the aerial socket at the front end unit module 2 2 Con...

Страница 60: ...tage at testpoint TP2 1 8 Turn the AGC off and adjust the RF gain control to achieve the output level found in point 7 9 To check the 6 dB bandwidth choose the generator frequencies 1990 35 kHz and 19...

Страница 61: ...tput level at testpoint TP2 1 and control the result to be within the range 0 7VRMS 0 9VRMS 6 Measure the earpiece output distortion at testpoint TP2 1 and control the result to be less than 1 5 7 3 6...

Страница 62: ...ve slope trig 10 Change the generator frequency with 1 kHz relative to the frequency specified in point 15 and control in each case the voltage change detector to generate an impulse with a magnitude...

Страница 63: ...1 1 The available power gain Gfront of the Front End Unit can be controlled by the check procedure given in the next section 3 6 2 2 The check procedure in this section is especially useful to contro...

Страница 64: ...w 2 8 1 2 E 3 H 4 1 0 5 4 V u B d 8 W C 0 0 5 4 B S U E 3 J 0 0 0 9 V u B d 8 9 9 9 8 5 1 0 0 9 V u B d 8 0 0 0 9 0 0 0 8 1 V u B d 9 9 9 9 7 1 2 5 3 2 1 V u B d 8 3 5 3 2 1 B S L E 3 J 6 1 0 0 8 1 V...

Страница 65: ...as shown in the figures below where the wanted loading impedance of 800 ohm is realized with a voltage divider consisting of a resistor of 750 ohm in series connection with a resistor of 50 ohm Termin...

Страница 66: ...X TX relay is normally in the non activated state which corresponds to RX mode To obtain the TX mode the relay must be activated This can only be done by means of a service programme when the RE2100 i...

Страница 67: ...al at the output of the buffer is controlled The L01 signal is used in the mixing process from the receiver frequency fRX to the 1st IF at 70 000 640 MHz The frequency of the LO1 signal can be varied...

Страница 68: ...00 MHz 1 Turn the RE2100 on 2 Connect the voltmeter to TP1 3 3 Connect the counter to TP3 3 4 Key in the RX frequency and check the DC voltage on TP1 3 and the frequency on TP3 3 to be in accordance w...

Страница 69: ...9 26912 MHz and 80 73216 MHz 1 Turn the RE2100 on 2 Connect the voltmeter to TP5 3 3 Connect the counter to TP7 3 4 Select receiver mode and check the DC voltage on TP5 3 and the frequency on TP7 3 to...

Страница 70: ...icrophone terminal 2 Connect a scope probe to Q04 4 emitter TP1 4 3 Select service programme SP 05 1 and select J3E mode 4 Adjust the tone generator output voltage from a minimum until the level at th...

Страница 71: ...er response is carried out by changing the frequency of the tone generator and controlling the reading on the scope Max permissible ripple is 2 dB in the frequency range 500 Hz to 2500 Hz and the 6 dB...

Страница 72: ...Place the diode probe on J04 4 and read 1 8V 10 Place the diode probe on top of Q24 4 and read approx 13 5V 3 6 5 PERFORMANCE CHECK OF MICROPROCESSOR MODULE 5 GENERAL To execute a performance check o...

Страница 73: ...TCH DOG CIRCUIT Control of Power Low Circuit Adjust the 9V external power supply to 9 0V When the power is switched on control that the display will read out Error20 there is no connection to T2130 Pr...

Страница 74: ...Q03 and control the voltage to be 14 8V 1 5V Key in a new TX frequency and control that the voltage will go down to approx 0V CHECK OF METER AMPLIFIER Connect a test wire between ground and J03 pin 15...

Страница 75: ...12 Set TB 50 uS Control that the two wave forms are the same The voltage is 5Vpp 0 5V The clock period is 26 uS Check of Timing Between SPI Data and Clock Connect an oscilloscope channel A to U10 pin...

Страница 76: ...en is approx equal to the one shown below The 8 data bit and parities bit will change every time the SP BUS transmitter sends a new byte Transmit speed is 4800 baud and the time between two bytes is a...

Страница 77: ...e scope the voltage to 3 5 Vpp 0 5V 3 7 ADJUSTMENT PROCEDURE This chapter contains the adjustment procedure for all adjustable components in the RE2100 3 7 1 ADJUSTMENT PROCEDURE FOR FRONT END AND REC...

Страница 78: ...ramme mode 3 7 1 2 ADJUSTMENT OF 70 MHz TRANSFORMER Receiver The position number of the 70 MHz transformer is TR01 1 and it is located at the receiver unit module 1 The adjustment is performed by tuni...

Страница 79: ...ent is performed by using a signal generator and an AC voltmeter 1 Connect the signal generator to the aerial socket at the front end unit 2 Connect the AC voltmeter to earpiece output at testpoint TP...

Страница 80: ...scillator TCXO delivers the reference frequency which is common for both PLL1 and PLL2 The adjustment is performed by measuring the TCXO frequency at the output of the TCXO buffer at testpoint TP4 3 c...

Страница 81: ...table 4 until voltage on TP1 3 is 11 0 Volt 4 5 Key in the RX frequencies according to table 6 and check the voltage on TP1 3 to be 3 Volt 1 0 Volt NOTE No adjustments of VCO coils shall be made 6 RX...

Страница 82: ...evel is adjusted by R35 4 and the cutting symmetry is determined by R57 4 1 Connect the scope probe to the emitter of Q04 4 TP1 4 2 Select service programme SP 05 0 3 A combined square wave signal tun...

Страница 83: ...Connect scope probe to emitter of Q19 4 TP4 4 2 Select service programme SP 05 0 3 Press handset key 4 Adjust LO7 4 LO8 4 and TR02 4 to maximum signal 5 Turn R87 4 fully clockwise The signal is cut 6...

Страница 84: ...changes amplitude 9 Adjust R159 4 until the step which changes amplitude is approximately equal to the neighbour steps 10 Press ENT on the keyboard 11 To adjust the RF output power level from the Exci...

Страница 85: ...mally the resistor R33 8 is removed at the factory If the regulator U06 8 has been changed for repair then check the output voltage Connect a voltmeter to R16 8 TP2 8 and measure the output voltage wi...

Страница 86: ...itivity Repair in 2nd IF Amplifier and AGC Circuit Execute 3 7 1 4 Adjustment of 2nd IF Gain and 3 7 1 5 Adjustment of Signal Meter Execute 3 5 2 5 Performance Check of Receiver AGC and 3 5 2 1 Perfor...

Страница 87: ...2 4 Adjustment of the VCO Circuits in PLL2 Execute 3 5 2 1 Performance Check of Receiver Sensitivity 3 5 2 4 Performance Check of Receiver Clarifier and Frequency and 3 5 3 2 Performance Check of Exci...

Страница 88: ...e that the RE2100 is working properly after installation The function check must always be carried out after a repair of the RE2100 Any repair of the RE2100 must be followed by a performance check and...

Страница 89: ...on and control that the leds marked AGC and SQ can be toggled 20 When activating the SQ function control that the noise from the loudspeaker disappears 21 Select the lowest transmitting frequency and...

Страница 90: ...me may be chosen after the keyboard button ENT has been pressed once The display shows SP again and a new three digit number can be keyed in In order to return to normal operation mode press the keybo...

Страница 91: ...CE LEVEL This test programme is used in the adjustment procedure section 3 7 1 6 where it sets up the synthesizer frontend and receiver module for adjustment of the earpiece level SP 04 4 ADJUSTMENT O...

Страница 92: ...erformance check section 3 6 4 6 and module adjustment section 3 7 3 6 SP 05 3 TEST OF EXCITER 70 MHz FILTER This test programme is used in the module performance check section 3 6 4 7 and in module a...

Страница 93: ...RE2100 CONTENTS 4 MECHANICAL DISASSEMBLING AND MODULE LOCATION 4 1 ADJUSTMENTS AND LOCATIONS 4 1...

Страница 94: ......

Страница 95: ...5 501007 501016 501017 501036 501046 4 6 26046 PAGE 4 1 On Off Vol RF Gain Display Remove To disassemble Front plate Rear Chassis Remove To disassemble RE2100 Cable to Processor Unit Main Cable Power...

Страница 96: ...6 26046 Keyboard Foil Light Conductor Front Chassis Keyboard Unit Module 5 Display Module 7 Front Chassis removed Exciter Unit Module 4 Synthesizer Unit Module 3 To disassemble Front Chassis Remove 2...

Страница 97: ...E LOCATION RE2100 RE2100 FOTO NR 501018 501030 501032 501034 501037 501040 501343 4 6 26046 PAGE 4 3 Synthesizer Unit Module 3 Exciter Unit Module 4 Receiver Unit Module 1 RF Shields Processor Unit Mo...

Страница 98: ......

Страница 99: ...PART NO 625632 5 9 5 3 SYNTHESIZER UNIT MODULE 3 PART NO 625633 5 13 5 4 EXCITER UNIT MODULE 4 PART NO 625634 5 23 5 5 PROCESSOR UNIT MODULE 5 PART NO 625635 5 29 5 6 KEYBOARD UNIT MODULE 6 PART NO 62...

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Страница 101: ...filter the signal is fed through the emitter follower Q11 to the detector AGC GENERATOR From the amplifier Q11 the signal is fed to the common emitter amplifier Q16 The voltage gain in this amplifier...

Страница 102: ...and D20 ON SSB D17 and D19 ON AM MODE In AM mode the principle is to remove the modulation from the IF signal through the limiting amplifier pin 1 and leave just the carrier signal This signal is then...

Страница 103: ...nd one or more remote control units The interconnection between the individual switches is shown in the block diagram below BLOCK DIAGRAM AF SWITCHES DISPLAY MODULE 7 RECEIVER MODULE 1 PROCESSOR MODUL...

Страница 104: ...or and hold circuit generates a signal by which the microproc essor controls the squelch switch U07 at the receiver output LIMITING AMPLIFIER U02 2 and U02 1 are connected as amplifier with about 100...

Страница 105: ...gs still detects a high voltage it will stop the scanning for a period of about 3 secs In this period the squelch switch will be turned ON and the AF signal will then reach the loudspeaker SIGNAL STRE...

Страница 106: ...DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 9324 PAGE 5 6 COMPONENT LOCATION RECEIVER UNIT MODULE 1 View from component side with upper side tracks View from component side with lower side tracks PCB r...

Страница 107: ...erator frequency fG 2059 24kHz Generator level VG 117dB V PG 4dBm Generator mode CW The generator signal must be feed to the aerial socket at the Front End Unit This diagram is valid for PCB rev 25631...

Страница 108: ...PAGE 5 8 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100...

Страница 109: ...t is grounded with relay RE01 when the transceiver is switched off PRE FILTERS The pre filters consists of the following units 100 kHz HPF consisting of L01 L02 and C08 385 kHz LPF 1 consisting of L29...

Страница 110: ...T DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 PAGE 5 10 COMPONENT LOCATION FRONT END MODULE 2 View from component side with upper side tracks View from component side with lower side tracks PCB rev 2563...

Страница 111: ...Receiver frequency fRX 2058 24kHz Receiver mode J3E USB Generator frequency fG 2059 24kHz Generator level VG 117dB V PG 4dBm Generator mode CW The generator signal must be feed to the aerial socket a...

Страница 112: ...PAGE 5 12 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100...

Страница 113: ...es to Ni 1 determined by the value of fraction number F By this method the mean frequency of the VCO is increased as illustrated in the example below fvco N x fref i i fvco N 0 25 x fref mean T 1 fref...

Страница 114: ...de is switched on Q24 connected in parallel to C112 constitutes a switch which resets the ramp generator by discharging C112 The switch is open when the gate voltage is at low state and vice versa The...

Страница 115: ...ce current to the D A converter MODULUS CONTROL LOGIC The modulus control logic is constituted by U28 and U23 which as a function of overflow signal from the accumulator prescaler output modulus contr...

Страница 116: ...z f f RF m 25741 fm Modulation frequency fIF2 fLO1 fLO2 fRF fm The modulation frequency fm changes sign meaning that a received upper sideband signal will pass through the 10 7 MHz lower sideband IF f...

Страница 117: ...art of the frequency determining elements D20 and R120 which are connected to the gate of the oscillator transistor prevent the gate source voltage from becoming positive which will cause the oscillat...

Страница 118: ...de 80 732 160 MHz PHASE DETECTOR AND LOOP FILTER The phase detector is an integrated part of U35 The input reference frequency fR is 40 96 kHz which can be monitored on pin 13 and the input variable f...

Страница 119: ...ow waveforms are identified with a signal name which can be found in the diagram of the synthesizer module 3 TEST CONDITIONS Frequency setting fRX 2058 24 kHz Mode J3E USB 4 0 27487 4 0 27488 5 CIRCUI...

Страница 120: ...ESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 PAGE 5 20 9826 COMPONENT LOCATION SYNTHESIZER UNIT MODULE 3 View from component side with upper side tracks View from component side with lower side tracks PCB...

Страница 121: ...5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 SYNTHESIZER UNIT MODULE 3 This diagram is valid for PCB rev 25633F PAGE 5 21 9826...

Страница 122: ...PAGE 5 22 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100...

Страница 123: ...04 cut the peaks of the signal The cutting symmetry is adjusted with R57 CARRIER LIMITER AMPLIFIER To ensure a constant carrier level to the modulator U05 the transistor Q05 works as an amplitude limi...

Страница 124: ...ng on which one is grounded The grounding of the resistors in this attenuator takes place in normal binary code meaning 0000 is equal to non attenuation and 1111 is equal to full attenuation In part t...

Страница 125: ...PAGE 5 25 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100...

Страница 126: ...DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 COMPONENT LOCATION EXCITER UNIT MODULE 4 View from component side with upper side tracks View from component side with lower side tracks PCB rev 25634F PAGE...

Страница 127: ...5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 PAGE 5 27 9739 EXCITER MODULE 4 This diagram is valid for PCB rev 25634F REF GND X 500uSec DIV Y 0 1V DIV 0V 0V X 500uSec DIV REF GND Y 1V DIV...

Страница 128: ...5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 PAGE 5 28...

Страница 129: ...eset to the microprocessor until the VCC is above 4 75V again MEMORY The microprocessor has two memory circuits One for programmes and one for data The programme memory U06 is a 16 or 32 kbyte PROM e...

Страница 130: ...rnal clock frequency of 2 MHz by 26 by means of a duty cycle of 50 per cent The divided frequency is equal to the frequency which must be added to the internal serial communication interface SCI of th...

Страница 131: ...5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 PAGE 5 31...

Страница 132: ...DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 COMPONENT LOCATION PROCESSOR UNIT MODULE 5 View from component side with upper side tracks View from component side with lower side tracks PCB rev 25635M PAGE...

Страница 133: ...5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 PROCESSOR UNIT MODULE 5 This diagram is valid for PCB rev 25635M PAGE 5 33 9606...

Страница 134: ...PAGE 5 34 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100...

Страница 135: ...he microprocessor ports By setting the 4 ports high and reading the data bus alternately it is possible to determine which key has been activated In this way the keyboard is scanned 100 times per seco...

Страница 136: ...PAGE 5 36 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100...

Страница 137: ...es low DUMMY LOAD AND TUNE LED For read out of the dummy load and tune functions 2 separate LED s are used These LEDs cannot be reduced or switched off after the functions have been selected The two L...

Страница 138: ...IT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 COMPONENT LOCATION DISPLAY MODULE 7 View from component side with upper side tracks View from component side with lower side tracks PCB rev 25637D PAGE 5 3...

Страница 139: ...5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 DISPLAY UNIT MODULE 7 This diagram is valid for PCB rev 25637D PAGE 5 39 9435...

Страница 140: ...5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 PAGE 5 40...

Страница 141: ...icroprocessor shuts down the regulators U01 and U02 This takes place via the shift register U07 4 in the exciter module and the transistors Q01 and Q02 This is done to save power consumption in the st...

Страница 142: ...T DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 COMPONENT LOCATION POWER UNIT MODULE 8 View from component side with upper side tracks View from component side with lower side tracks PCB rev 25638D PAGE 5...

Страница 143: ...5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 POWER UNIT MODULE 8 This diagram is valid for PCB rev 25638D PAGE 5 43 9433 0V Y 0 1V DIV X 500uSec DIV REF GND X 500uSec DIV REF GND Y 0 1V DIV 0V...

Страница 144: ...PAGE 5 44 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100...

Страница 145: ...5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 5 9 INTERCONNECTION CABLE PLAN 25918B CONNECTION CABLING 25917B PAGE 5 45 9324...

Страница 146: ...5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100 BLOCK DIAGRAM SUPPLY CABLING 25919B PAGE 5 46 9324 MAIN BLOCK DIAGRAM 25920A...

Страница 147: ...RE2100 CONTENTS 6 MICROTELEPHONE INSTALLATION 6 1 NORMAL INSTALLATION RE2100 AND C2140 6 3 6 2 NORMAL INSTALLATION RE2100 OR C2140 WITH 2 MICRO TELEPHONES 6 4 6 3 MECHANICAL DIMENSIONS FOR HANDSET 6 5...

Страница 148: ......

Страница 149: ...IRSCHMANN P1701 YELLOW MIC PRE AMP MC1701 6 1 4 2 5 3 MC1 R1 1k8 C1 100u 10n C2 D1 1N4148 8k2 R3 R5 2k7 2k2 R7 R9 2k7 R10 120k R2 1k8 C3 10u u47 C4 R4 18k MIC PRE AMPLIFIER 100 33u C10 39k R11 4k7 R6...

Страница 150: ...RAMIC 27pF 10 N750 500VDC KCK RT HM60 SK UJ 270 K 16 062 C14 CAPACITOR CERAM SMD 0805 15pF 5 NPO 50VDC MURATA GRM40 COG 150 J 50 PT 323 076 D1 DIODE 1N4148 HIGH SPEED PHILIPS 1N4148 143 25 131 MC1 MIC...

Страница 151: ...26232A Hook 1 IN HOOK TELEPHONE WITH MICRO S1 S2 SHOWN MIC PRE AMP MC1 P8 NORMAL RE2100 C2140 MICROTELEPHONE TC1 1 HAND KEY S1 RED YELLOW WHITE BROWN BLUE TO RE2100 J3 C2140 J1 BLACK BLUE BROWN WHITE...

Страница 152: ...C PRE AMP IN HOOK TELEPHONE P3 NORMAL RE2100 C2140 MICROTELEPHONE 1 TC1 BROWN BLUE YELLOW WHITE RED 5 S1 S2 A P2 MICROTELEPHONE RE2100 C2140 P1 P1 3 1 2 J1 P5 P3 B C P4 D E P6 330R R3 330R R2 1 2 3 P8...

Страница 153: ...TALLATION RE2100 PAGE 6 5 6 3 MECHANICAL DIMENSIONS FOR HANDSET 64 151 275 80 43 65 43 80 32 32 4 5 4 5 81 27946 MECHANICAL DIMENSIONS FOR HANDSET HOLDER WITH MICROSWITCH 151 64 103 275 80 43 65 43 80...

Страница 154: ...LLATION RE2100 9437 PAGE 6 6 MECHANICAL DIMENSIONS FOR HANDSET 4 5 65 80 80 32 32 4 0 29938 275 78 132 62 4 5 MECHANICAL DIMENSIONS FOR HANDSET HOLDER WITH MICROSWITCH 4 5 4 5 65 43 80 80 32 32 43 4 0...

Страница 155: ...RE2100 CONTENTS 7 PARTS LIST...

Страница 156: ......

Страница 157: ...ND MODULE 2 RE2100 ECI A S 5 0 25632H 4 0 25632K 625632 3 SYNTHESIZER MODULE 3 RE2100 TCXO 0 34ppm ECI A S 625633 w 0 34ppm TCXO 727070 4 EXCITER MODULE 4 RE2100 ECI A S 5 0 25634F 4 0 25634M 625634 5...

Страница 158: ...YF 103 Z 15 170 C55 1 CAPACITOR ELECTROLYTIC 100uF 10 50 25VDC ERO EKM 00 CC 310 E G5 14 610 C57 1 CAPACITOR ELECTROLYTIC 10uF 20 35VDC ELNA RJ2 35 V 100 M T58 14 512 C58 1 CAPACITOR ELECTROLYTIC 10uF...

Страница 159: ...KCK RT HE70 SK YF 103 Z 15 170 C130 1 CAPACITOR CERAMIC 220pF 10 500VDC CL2 KCK RT HM60 SK YB 221 K 16 090 C131 1 CAPACITOR ELECTROLYTIC 22uF 20 25VDC ELNA RJ2 25 V 220 M T58 14 514 C132 1 CAPACITOR...

Страница 160: ...ET COAX 30 DEG PCB VERSION TAIKO TMP J02X A1 78 516 J2 1 SOCKET COAX 30 DEG PCB VERSION TAIKO TMP J02X A1 78 516 J3 1 SOCKET PCB VERSION 2x3 POLES u MATCH AMP 0 215079 6 78 192 J4 1 SOCKET COAX 30 DEG...

Страница 161: ...RESISTOR MF 100 OHM 5 0 33W PHILIPS 2322 187 73101 02 448 R29 1 RESISTOR MF 390 OHM 5 0 33W PHILIPS 2322 187 73391 02 462 R30 1 RESISTOR MF 10k OHM 5 0 33W PHILIPS 2322 187 73103 02 496 R31 1 RESISTOR...

Страница 162: ...HM 5 0 33W PHILIPS 2322 187 73331 02 460 R104 1 RESISTOR MF 620 OHM 5 0 33W PHILIPS 2322 187 73621 02 467 R105 1 RESISTOR MF 47 OHM 5 0 33W PHILIPS 2322 187 73479 02 440 R106 1 RESISTOR MF 100 OHM 5 0...

Страница 163: ...77 1 RESISTOR MF 100 OHM 5 0 33W PHILIPS 2322 187 73101 02 448 R178 1 RESISTOR MF 1k8 OHM 5 0 33W PHILIPS 2322 187 73182 02 478 R179 1 RESISTOR MF 100 OHM 5 0 33W PHILIPS 2322 187 73101 02 448 R180 1...

Страница 164: ...34689 15 120 C20 2 CAPACITOR CERAMIC 120pF 2 N150 100VDC PHILIPS 2222 689 34121 15 143 C21 2 CAPACITOR CERAMIC 10nF 20 80 CL2 50VDC KCK RT HE70 SK YF 103 Z 15 170 C22 2 CAPACITOR CERAMIC 10nF 20 80 CL...

Страница 165: ...0 MOTOROLA MPN3700 26 115 D9 2 DIODE SWITCH MPN3700 MOTOROLA MPN3700 26 115 D10 2 DIODE SWITCH MPN3700 MOTOROLA MPN3700 26 115 D11 2 DIODE SWITCH MPN3700 MOTOROLA MPN3700 26 115 D12 2 DIODE SWITCH MPN...

Страница 166: ...M 5 0 33W PHILIPS 2322 187 73101 02 448 R13 2 RESISTOR MF 100 OHM 5 0 33W PHILIPS 2322 187 73101 02 448 R14 2 RESISTOR MF 100 OHM 5 0 33W PHILIPS 2322 187 73101 02 448 R15 2 RESISTOR MF 18k OHM 5 0 33...

Страница 167: ...3 CAPACITOR CERAMIC 39pF 5 N150 50VDC KCK RT HE50 SK PH 390 J 15 090 C19 3 CERAMIC CAPACITOR 22pF 5 N150 50VDC KCK RT HE40 SK PH 220 J 15 075 C20 3 CAPACITOR MKT 220nF 10 63VDC PHILIPS 2222 370 78224...

Страница 168: ...0nF 20 80 CL2 50VDC KCK RT HE70 SK YF 103 Z 15 170 C91 3 CAPACITOR CERAMIC 470pF 10 500VDC KCK RT HM60 SK YB 471 K 16 095 C92 3 CAPACITOR CERAMIC 470pF 10 500VDC KCK RT HM60 SK YB 471 K 16 095 C93 3 C...

Страница 169: ...APACITOR CERAMIC 470pF 10 500VDC KCK RT HM60 SK YB 471 K 16 095 C184 3 CAPACITOR CERAMIC 10nF 20 80 CL2 50VDC KCK RT HE70 SK YF 103 Z 15 170 C185 3 CAPACITOR CERAMIC 470pF 10 500VDC KCK RT HM60 SK YB...

Страница 170: ...0 SIEMENS B78108 T1392 K 20 354 L10 3 CHOKE FIXED 3u9H 10 SIEMENS B78108 T1392 K 20 354 L11 3 CHOKE FIXED 470uH 5 SIEMENS B78108 S1474 J 20 318 L12 3 CHOKE FIXED 3u9H 10 SIEMENS B78108 T1392 K 20 354...

Страница 171: ...A BF199ZL1 28 178 Q39 3 TRANSISTOR AF BC548 NPN TO 92 PHILIPS BC548 A B C 126 28 070 Q40 3 TRANSISTOR RF BF199 MOTOROLA BF199ZL1 28 178 R1 3 RESISTOR MF 100 OHM 5 0 33W PHILIPS 2322 187 73101 02 448 R...

Страница 172: ...ESISTOR MF 1k0 OHM 5 0 33W PHILIPS 2322 187 73102 02 472 R72 3 RESISTOR MF 10k OHM 5 0 33W PHILIPS 2322 187 73103 02 496 R73 3 RESISTOR MF 10k OHM 5 0 33W PHILIPS 2322 187 73103 02 496 R74 3 RESISTOR...

Страница 173: ...46 3 RESISTOR MF 100 OHM 5 0 33W PHILIPS 2322 187 73101 02 448 R147 3 RESISTOR MF 5k6 OHM 5 0 33W PHILIPS 2322 187 73562 02 490 R148 3 RESISTOR MF 100k OHM 5 0 33W PHILIPS 2322 187 73104 02 520 R150 3...

Страница 174: ...HC08N 34 517 U24 3 SERIAL INPUT PLL SYNTHES MC145158P2 MOTOROLA MC145158P2 33 492 U25 3 QUAD EXCL NOR GATE 74HC266 PHILIPS PC74HC7266P 34 500 U26 3 DUAL D FF POS TRIG 74HC74 TEXAS SN74HC74N 34 501 U27...

Страница 175: ...10nF 20 80 CL2 50VDC KCK RT HE70 SK YF 103 Z 15 170 C56 4 CAPACITOR ELECTROLYTIC 3 3uF 20 50VDC ELNA RJ2 50 V 3R3 M T34 14 508 C57 4 CAPACITOR CERAMIC 10nF 20 80 CL2 50VDC KCK RT HE70 SK YF 103 Z 15 1...

Страница 176: ...22nF 5 100VDC PHILIPS 2222 370 89223 11 169 C129 4 CAPACITOR MKT 22nF 5 100VDC PHILIPS 2222 370 89223 11 169 C130 4 CAPACITOR ELECTROLYTIC 47uF 20 25VDC ELNA RJ2 25 V 470 M F1 14 524 C131 4 CAPACITOR...

Страница 177: ...TO 92 PHILIPS BC548B 126 28 076 Q21 4 TRANSISTOR AF BC548B NPN TO 92 PHILIPS BC548B 126 28 076 Q22 4 TRANSISTOR AF BC548B NPN TO 92 PHILIPS BC548B 126 28 076 Q23 4 TRANSISTOR AF BC548B NPN TO 92 PHIL...

Страница 178: ...4 RESISTOR MF 220 OHM 5 0 33W PHILIPS 2322 187 73221 02 456 R74 4 RESISTOR MF 10k OHM 5 0 33W PHILIPS 2322 187 73103 02 496 R75 4 RESISTOR MF 3k9 OHM 5 0 33W PHILIPS 2322 187 73392 02 486 R76 4 RESIS...

Страница 179: ...7 4 RESISTOR MF 120 OHM 5 0 33W PHILIPS 2322 187 73121 02 450 R148 4 RESISTOR MF 110 OHM 1 0 25W PHILIPS 2322 157 11101 02 211 R149 4 RESISTOR MF 15k OHM 5 0 33W PHILIPS 2322 187 73153 02 500 R150 4 R...

Страница 180: ...SHUNT CONNECTOR FEMALE 2 POLES AMP 142270 1 78 325 C1 5 CAPACITOR CERAMIC 10nF 20 80 CL2 50VDC KCK RT HE70 SK YF 103 Z 15 170 C2 5 CAPACITOR CERAMIC 10nF 20 80 CL2 50VDC KCK RT HE70 SK YF 103 Z 15 170...

Страница 181: ...7610 6002 JL 78 251 Q1 5 TRANSISTOR AF BC548 NPN TO 92 PHILIPS BC548 A B C 126 28 070 Q2 5 TRANSISTOR AF BC548 NPN TO 92 PHILIPS BC548 A B C 126 28 070 Q3 5 TRANSISTOR AF BC558 PNP TO 92 PHILIPS BC558...

Страница 182: ...TION MANUFACTOR TYPE PART NO D1 6 LED SUB MIN YELLOW 0 4mCd 2mA H P HLMP 7019 OPTION 1S1 25 649 D2 6 LED SUB MIN YELLOW 0 4mCd 2mA H P HLMP 7019 OPTION 1S1 25 649 D3 6 LED SUB MIN YELLOW 0 4mCd 2mA H...

Страница 183: ...5V6 5 0 4W BZX79C5V6 PHILIPS BZX79C5V6 26 530 D16 7 DIODE 1N4148 HIGH SPEED PHILIPS 1N4148 143 25 131 D17 7 DIODE 1N4148 HIGH SPEED PHILIPS 1N4148 143 25 131 J1 7 SOCKET 2x3 POLES AMP 0 215079 6 78 1...

Страница 184: ...ITOR MKT 0 1uF 10 63VDC PHILIPS 2222 370 78104 11 136 C20 8 CAPACITOR POLYSTYRENE 68p0F 1 630VDC PHILIPS 2222 431 86809 10 396 C21 8 CAPACITOR POLYSTYRENE 68p0F 1 630VDC PHILIPS 2222 431 86809 10 396...

Страница 185: ...LIPS 2322 181 53202 01 207 R21 8 RESISTOR MF 12 OHM 5 0 4W PHILIPS 2322 181 53129 01 152 R22 8 RESISTOR MF 270 OHM 5 0 4W PHILIPS 2322 181 53271 01 185 R23 8 RESISTOR MF 27 OHM 5 0 33W PHILIPS 2322 18...

Страница 186: ...MESS SKRUER 81 001 ST2 TERMINAL BLOCK 9 POLES 1 5mm2 PTR AK500 9DS m MESS SKRUER 81 002 HANDSET HOLDER F C2140 REMOTE CONTROLLED RE2100 ECI A S 0 0 26233 726233 POSITION DESCRIPTION MANUFACTOR TYPE PA...

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