Thrane&Thrane SAILOR RT2048 VHF Installation Manual
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Thrane&Thrane SAILOR RT2048 VHF Installation Manual

Thrane&Thrane SAILOR RT2048 VHF Installation Manual

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INSTALLATION MANUAL
SAILOR RT2048 VHF

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  • Page 1 INSTALLATION MANUAL SAILOR RT2048 VHF...
  • Page 2 Disclaimer Any responsibility or liability for loss or damage in connection with the use of this product and the accompany- ing documentation is disclaimed by Thrane & Thrane. The information in this manual is provided for information purposes only, is subject to change without notice, may contain errors or inaccuracies, and represents no com- mitment whatsoever by Thrane &...
  • Page 3 RT2048 CONTENTS INTRODUCTION 1.1. GENERAL DESCRIPTION 1.2. TECHNICAL DATA 1.3. CONTROLS 1.4. PRINCIPLE OF OPERATION INSTALLATION 2.1. MOUNTING POSSIBILITIES 2.2. HANDSET 2.3. MICROTELEPHONE CONNECTOR 2.4. POWER SUPPLY 2.5. POWER CONNECTOR + EXT. LOUDSPEAKER 2.6. ANTENNAS 2.7. SPECIAL OPTIONS 2.8. REAR VIEW OF VHF RT2048 2-11 2.9.
  • Page 5 RT2048 CONTENTS INTRODUCTION 1.1. GENERAL DESCRIPTION 1.2. TECHNICAL DATA 1.3. CONTROLS 1.4. PRINCIPLE OF OPERATION 9403...
  • Page 7 RT2048 INTRODUCTION The RT2048 VHF radiotelephone has been designed to comply with the increasing demands of a highly technological product, which means high quality, small size, etc. The RT2048 is furthermore designed to fit into the Compact 2000 module programme. The RT2048 can either be installed and operated as an independent unit, or in combination with other elements of the Compact 2000 programme.
  • Page 8 1 INTRODUCTION RT2048 1.1. GENERAL DESCRIPTION VHF RT2048 is an all solid state constructed microcomputer controlled VHF radiotelephone, intended for ship/ship and ship/shore communication. VHF RT2048 can operate in both simplex and semi-duplex mode. VHF RT2048 includes all 55 international and U.S. VHF marine channels, and is as standard prepared for up to 10 private channels, selected as simplex or semi-duplex channels in the frequency band 154.4 - 163.75 MHz.
  • Page 9 1 INTRODUCTION RT2048 1.2. TECHNICAL DATA Fulfils the international CEPT regulations. GENERAL All international maritime VHF channels Private channels: 10, may be extended to 40 Operation: Simplex and semi-duplex Modulation: G3EJN (Phase) Antenna impedance: 50 ohm Frequency stability: +/- 10 ppm (Spec. vers. +/- 5 ppm) Temperature range: C to +55 Nominal power supply:...
  • Page 10 1 INTRODUCTION RT2048 1.3. CONTROLS SCAN SCAN SCAN DELETE SELCALL SCAN D.W. T / R TIME U.S. SHIFT 29656 Indication of ON/OFF/VOL turn-style knob operation. Squelch sensitivity control knob with turn-style operation. Quick selection of the call and distress channel 16. SCAN Digits from 1 to 0 Activates the functions marked in orange on the keyboard.
  • Page 11 1 INTRODUCTION RT2048 Selects the scan time from 1 to 99 seconds. SCAN TIME The time chosen is the listening time on one of the secondary channels receiving SHIFT a signal. D.W. Selects the dual watch facility. SHIFT Selects 1W reduced power output. SHIFT U.S.
  • Page 12 1 INTRODUCTION RT2048 1.4. PRINCIPLE OF OPERATION FREQUENCY GENERATION All the internal frequencies are referenced to a crystal oscillator, running on 14.85 MHz. The 14.85 MHz is divided by 4 in the REFERENCE DIVIDER, to generate a 3.7125 MHz signal, which is the input to the PLL-reference divider and clock-signal for the microcomputer.
  • Page 13 1 INTRODUCTION RT2048 BLOCK DIAGRAM 9403 Page 1-7...

  • Page 15: Table Of Contents

    RT2048 CONTENTS INSTALLATION 2.1. MOUNTING POSSIBILITIES 2.2. HANDSET 2.3. MICROTELEPHONE CONNECTOR 2.4. POWER SUPPLY 2.5. POWER CONNECTOR + EXT. LOUDSPEAKER 2.6. ANTENNAS 2.7. SPECIAL OPTIONS 2.8. REAR VIEW OF VHF RT2048 2-11 2.9. STANDARD FREQUENCY TABLE 2-12 9403...
  • Page 17 RT2048 INSTALLATION Before installation of a SAILOR VHF RT2048 the following points must be observed: Which facilities have to be enabled? Selcall, private channels, US-mode, dual watch, scanning facilities, etc. The procedure how to enable the facilities is described in the manual: INSTRUCTIONS FOR IDENTITY AND SERVICE PROGRAMMING OF SAILOR VHF RT2048.
  • Page 18 2 INSTALLATION RT2048 2.1. MOUNTING POSSIBILITIES The VHF RT2048 cabinet is designed in a module called a mini 1/4 box. For this module we can supply a wide variety of installation brackets etc. which will be described below. We have made a drawing including dimensions and drilling plan for each type and we kindly ask you to look at the drawing for the type in question.
  • Page 19 2 INSTALLATION RT2048 H2067 MOUNTING BRACKET FOR TABLETOP, BULKEHAD OR DECKHEAD MOUNTING FOR MINI 1/4 BOX This mounting bracket is used when RT2048 is to be mounted next to other SAILOR units in the Compact 2000 programme mounted in H2055 mounting brackets. For example when installing the RT2048 next to the scrambler CRY2001 it is possible to tilt both units in the same angle.
  • Page 20 2 INSTALLATION RT2048 H2057 ANGLE HINGES FOR TABLETOP, BULKHEAD OR DECKHEAD MOUNTING FOR MINI 1/4 BOX H2057 is designed for stationary installation. It offers a lot of mounting possibilities using the different holes in the angle hinges when tilting the VHF. H2057 25534 25530...
  • Page 21 2 INSTALLATION RT2048 H2063 CONSOLE MOUNTING KIT FOR 1/4 BOX This mounting kit is used for console flush mounting of 1/4 box and mini 1/4 box. Free distance must be kept to allow free air circulation, ambient temperature max. 40 H2063 25663 Weight:...
  • Page 22 2 INSTALLATION RT2048 2.2. HANDSET The handset can be placed anywhere near the VHF set. The cable is five-cored and connected to the rear of the VHF through a 9-pole Sub-D connector. Installation of the cable, see the drawings of the mounting brackets. The cable grommet must be placed in the most convenient groove in the mounting bracket.

  • Page 23: Installation

    2 INSTALLATION RT2048 2.5. POWER CONNECTOR + EXT. LOUDSPEAKER VIEW FROM MOUNTING SIDE Pin No. 1 Ext. loudspeaker Pin No. 2 Ext. mute* Pin No. 3 +12V power supply Pin No. 4 on/off for 24V supply Pin No. 5 -12V power supply Pin No.
  • Page 24 2 INSTALLATION RT2048 With AUX INTERFACE OPTION installed S.P. No. 625473 (AUX1, AUX2 and MUTE functions) (Distress and Selcall functions are also mounted). AUX2, when information on certain channels is wanted, i.e. controlling a watch keeping receiver, the AUX2 information can be used, a relay is controlled from the microprocessor. Max.
  • Page 25 2 INSTALLATION RT2048 COMPONENT LOCATION FOR 626945 Seen from soldering side Seen from soldering side with soldering side tracks. with component side tracks. PCB rev. 26945 DIAGRAMMES FOR SPECIAL OPTIONS 625660 625661 9346 Page 2-9...
  • Page 26 2 INSTALLATION RT2048 625473 626945 Page 2-10 9346...
  • Page 27 2 INSTALLATION 2 INSTALLATION RT2048 RT2048 DELAYED KEY OPTION To make a repeater station on a duplex channel, you need two pcs. of RT2048, one for receiving on Lo band, one for transmitting on Hi band. To get this function, the function code has to be reprogrammed for the specified channel in both sets.

  • Page 28: Rear View Of Vhf Rt2048

    2 INSTALLATION RT2048 2.8. REAR VIEW OF VHF RT2048 25567 Page 2-11 9350...

  • Page 29: Standard Frequency Table

    2 INSTALLATION RT2048 2.9. STANDARD FREQUENCY TABLE TRANSMITTING RECEIVING FREQUENCY (MHz) CHANNEL FREQUENCY US-MODE INT'L MODE (MHz) (A.-CHANNELS) (INT.-CHANNELS) 156.050 156.050 160.650 156.100 160.700 156.150 160.750 156.200 160.800 156.250 156.250 160.850 156.300 156.300 156.350 156.350 160.950 156.400 156.400 156.450 156.450 156.500 156.500 156.550...
  • Page 31 RT2048 CONTENTS SERVICE 3.1. MAINTENANCE 3.2. ALIGNMENT INSTRUCTIONS 3.3. PROPOSAL FOR NECESSARY MEASURING INSTRUMENTS 3.4. TEST PROBE 3.5. ADJUSTMENT PROCEDURE 3.6. TROUBLESHOOTING 3.7. REPLACEMENT OF COMPONENTS 3.8. REPLACEMENT OF MODULES 3.9. NECESSARY ADJUSTMENTS AFTER REPLACEMENT OF MODULE 3.10. PIN CONFIGURATIONS 9350...

  • Page 33: Service

    RT2048 SERVICE 3.1. MAINTENANCE PREVENTIVE MAINTENANCE If SAILOR RT2048 has been installed in a proper way the maintenance can be reduced to an overhaul at each visit of the service staff. Then inspect the set, the antenna, cables, and plugs for mechanical damages, salt deposits, corrosion, and any foreign material.

  • Page 34: Test Probe

    3 SERVICE RT2048 3.4. TEST PROBE All measurings made by means of a test probe will be relative measurements. For quantitative measurings the diode probe should be calibrated by means of a signal generator at a certain impedance level (50 ohm) as a function of frequency.

  • Page 35: Troubleshooting

    3.5.2. ADJUSTMENT OF RX/TX UNIT Alignment of Internal Power Supply Select channel 6. Select 1W output level and key the transmitter. Connect a DC-voltmeter to the test point at the output of U01. Adjust the output voltage to 8V +50 mV by means of potentiometer R04. Alignment of RF and IF Amplifier Select channel 6.

  • Page 36: Replacement Of Components

    3 SERVICE RT2048 3.7. REPLACEMENT OF COMPONENTS When replacing transistors, diodes, resistors, capacitors and similar components you must use a small „pencil“ soldering iron of 30 to 75 Watt rating. The soldering must be performed rapidly to avoid overheating, and the use of a tin sucker is recommended, as otherwise there is a risk that both the components and the printed circuit will be spoiled.

  • Page 37: Pin Configurations

    3 Service RT2048 3.10. PIN CONFIGURATIONS Page 3-5...
  • Page 38 3 SERVICE RT2048 Page 3-6...
  • Page 39 3 Service RT2048 Page 3-7...
  • Page 40 3 SERVICE RT2048 Page 3-8...
  • Page 41 RT2048 CONTENTS MODULE LOCATION 4.1. MECHANICAL DISASSEMBLING RT2048 9350...
  • Page 43 RT2048 MODULE LOCATION Squelch Read-out Power connector for 12V or N420 Antenna connector Thread for cover allen screw Fuse cover with spare-fuse Loudspeaker Keyboard (module 1) Thread for cover allen screw Loudspeaker On/Off/Vol Microphone connector Strap for connection Strap for connection to N420 (24V) to external sypply (12V)
  • Page 44 RT2048 4.1. MECHANICAL DISASSEMBLING RT2048 To disassemble the RT2048 remove the two allen screws with the black covers on the rear of the set and pull the front plate and cabinet from each other. Front « Page 4-2...
  • Page 45 RT2048 CONTENTS CIRCUIT DESCRIPTION AND SCHEMATIC DIACRAMS 5.1. KEYBOARD UNIT (MODULE 1) 5.2. INTERFACE UNIT (MODULE 2) 5.3. SYNTHESIZER UNIT (MODULE 3) 5.4. Rx/Tx UNIT (MODULE 4) 5-10 5.5. SELCALL UNIT (MODULE 5) OPTIONAL 5-14 5.6. INTERCONNECTION CABLE DIAGRAM 5-16 9350...

  • Page 47: Circuit Description And Schematic Diacrams

    RT2048 CIRCUIT DESCRIPTION AND SCHEMATIC DIACRAMS 5.1. KEYBOARD UNIT (MODULE 1) The keyboard unit comprises the 3 point 4 push button matrix, which is used for all the entries from the front panel e.g. channel selection, 1W etc. Besides the LED-diodes for keyboard illumination is placed on this board. View from component side View from component side with upper side tracks.
  • Page 48 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 Page 5-2...

  • Page 49: Interface Unit (Module 2)

    5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 5.2. INTERFACE UNIT (MODULE 2) 5.2.1. +5V POWER SUPPLY The internal power supply for the logic circuitries is generated from the internal +8V power supply, by means of the integrated voltage regulator U09. The input voltage for U09 is fed to pin 3 via D01, which secures an appropriate voltage decay on C12 when the set is switched off.
  • Page 50 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 INTERFACE UNIT (MODULE 2) View from component side with upper side tracks. View from component side with lower side tracks. PCB rev. 25450L Page 5-4 9725...
  • Page 51 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 INTERFACE UNIT MODULE 2 This diagram is valid for PCB rev. 25450L 0404 Page 5-5...

  • Page 52: Synthesizer Unit (Module 3)

    5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 5.3. SYNTHESIZER UNIT (MODULE 3) 5.3.1. VCO with Buffer The voltage controlled oscillator, built around the Field Effect Transistor Q18, is oscillating either on the transmitting frequency or on the first receiver local oscillator frequency, which means the receiving frequency less 15.3 MHz. To reach this function, the oscillator is implemented with a bandshift by means of the bandswitch diode D6 and the two capacitors C47 and C78.
  • Page 53 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 RT2048 5.3.6. Loop Amplifier/Filter The loop amplifier is realized as a discrete operational amplifier with transistors Q10 and Q11 forming the input differential pair and Q8, Q9 the output stage. The loop dynamic performance is mainly controlled via the feed-back components in the loop amplifier, this means capacitors C29, C30, C31 and R49.
  • Page 54 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 SYNTHESIZER (MODULE 3) View from component side with upper side tracks. PCB rev. 25448M View from component side with lower side tracks. PCB REV. 25451H Page 5-8...
  • Page 55 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 SYNTHESIZER UNIT MODULE 3 9519 Page 5-9 This diagram is valid for PCB rev. 25451H...
  • Page 56 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 5.4. RX/TX UNIT (MODULE 4) The RX/TX unit comprises the following circuits: The receiver including detector AF power amplifier RF power amplifier Harmonic filter RF power control 8V power supply 5.4.1. RECEIVER FRONT-END The RF amplifier covers the frequency range 154.400 MHz to 163.600 MHz and consists of the low noise Dual Gate Si-Mos-FET Q11 surrounded by two high Q double-tuned bandpass filters.
  • Page 57 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 5.4.9. RF POWER CONTROL The power adjustment loop consists of Q04, Q03, Q05 and Q1. Q04 is the power detector which together with Q03 forms a differential circuit. The differential circuit controls Q05 and Q01 which are made as a Darlington transistor. C22, R17, and R15 make a feed-back in order to slow down the loop.

  • Page 58: Rx/Tx Unit (Module 4)

    5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 Rx/Tx UNIT (MODULE 4) View from component side with upper side tracks. View from component side with lower side tracks. PCB rev. 25448M Page 5-12 9804...
  • Page 59 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 Rx/Tx UNIT MODULE4 This diagram is valid for PCB rev. 25448M Page 5-13...
  • Page 60 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 5.5. SELCALL UNIT (MODULE 5) The input to the selcall is taken from the telephone output. The signal is first amplified and limited in U04/ 2 and then it passes the bandpass filter. Finally the signal is rectified and compared with a reference level in the comparator U04/1.
  • Page 61 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 View from component side with upper side tracks. View from component side with lower side tracks. PCB REV. 25449B Page 5-15...

  • Page 62: 5.6. Interconnection Cable Diagram

    5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 5.6. INTERCONNECTION CABLE DIAGRAM Page 5-16...
  • Page 63 RT2048 CONTENTS MICROTELEPHONE INSTALLATION 6.1. SPECIAL INSTALLATION WITH 2 MICROTELEPHONES 6.2. SPECIAL INSTALLATION WITH 3 MICROTELEPHONES 6.3. MECHANICAL DIMENSIONS FOR HANDSET 9350...
  • Page 65 RT2048 MICROTELEPHONE INSTALLATION VHF RT2047 SCRAMBLER CRY2001, RE2100, RT2047 prepared for DSC and RT2048 SHORTWAVE S130X YELLOW YELLOW WHITE BROWN BROWN BROWN TC801 TC1701 HAND KEY HAND KEY HAND KEY S801 S1701 P1701 P803 MIC PRE-AMP MIC PRE-AMP MIC PRE-AMP HIRSCHMANN CONNECTOR BLUE...
  • Page 66 6 MICROTELEPHONE INSTALLATION RT2048 MICROTELEPHONE WITH ELECTRET MIC. AMP. ECI A/S 4-6-24025D/4-0-24025E 600875 POSITION DESCRIPTION MANUFACTOR TYPE PART NR. CAPACITOR ELECTROLYTIC 100uF 20% 10VDC EKI 00 BB 310 C M0E 14.607 CAPACITOR CERAMIC 10nF -20/+80% CL2 50VDC RT-HE70 SK YF 103 Z 15.170 CAPACITOR ELECTROLYTIC 10uF 20% 35VDC...
  • Page 67 RT2048 6.1. SPECIAL INSTALLATION WITH 2 MICROTELEPHONES: H2086 FOR SCRAMBLER CRY2001 AND RT2048 H2087 FOR VHF RT2047 AND SSB T2031 MICROTELEPHONE ONE WITH PREFERENCE Page 6-3...
  • Page 68 6 MICROTELEPHONE INSTALLATION RT2048 6.2. SPECIAL INSTALLATION WITH 3 MICROTELEPHONES: H2088 FOR SCRAMBLER CRY2001 AND RT2048 H2089 FOR VHF RT2047 AND SSB T2031 MICROTELEPHONE ONE WITH PREFERENCE Page 6-4...
  • Page 69 RT2048 6.3. MECHANICAL DIMENSIONS FOR HANDSET ø4.5 ø4.5 27946 MECHANICAL DIMENSIONS FOR HANDSET HOLDER WITH MICROSWITCH ø4.5 ø4.5 26999 Page 6-5...
  • Page 70 6 MICROTELEPHONE INSTALLATION RT2048 MECHANICAL DIMENSIONS FOR HANDSET ø4.5 ø4.5 4-0-29938 MECHANICAL DIMENSIONS FOR HANDSET HOLDER WITH MICROSWITCH ø4.5 ø4.5 4-0-29937 Page 6-6 9438...
  • Page 71 RT2048 CONTENTS PARTS LIST 9350...
  • Page 73 RT2048 PARTS LIST SIMPLEX / SEMIDUPLEX VHF RT2048 STANDARD ECI A/S VHF RT2048 (STANDARD) 802048 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. VARIOUS KEYBOARD FOIL RT2048 ECI A/S 1-0-25434C 225434 VARIOUS MINI 1/4 BOX CABINET SAILOR GREEN 225435 GRØN RILSAN 22543500 ALUMINIUM VARIOUS POWER CABLE WITH PLUG...
  • Page 74 7 PARTS LIST RT2048 SIMPLEX / SEMIDUPLEX VHF RT2048 (RHEIN) S.P. RADIO A/S VHF RT2048 (RHEIN) 842048 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. VARIOUS MINI 1/4 BOX CABINET SAILOR GREEN 225435 GRØN RILSAN 22543500 ALUMINIUM VARIOUS KEYBOARD FOIL RT2048 NEDERLAND (16) ECI A/S 1-0-25577 225577...
  • Page 75 7 PARTS LIST RT2048 BASE UNIT RT2048 STD. ECI A/S 702048 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. VARIOUS SILICONE SEAL FOR CABINET NORD.ELEKTR. 0-4-25397A 48.585 632-2456-00-X VARIOUS KNOB Ø10mm SANDER PLAST 0-3-25432A 48.693 VARIOUS FUSE COVER SANDER PLAST Tg.Nr: 0-3-25362B 48.696 VARIOUS COVER FOR ALLEN SCREW...
  • Page 76 7 PARTS LIST RT2048 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. C12-2 CAPACITOR ELECTROLYTIC 2m2F 20% 16VDC SAMHWA ELEC. SV-2200uF-16WV 14.713 C13-2 CAPACITOR MKT 470nF 5% 63VDC MKT 1826-447/06 4-G 11.187 C14-2 CAPACITOR MKT 15nF 5% 63VDC PHILIPS 2222 370 89153 11.173 C15-2 CAPACITOR ELECTROLYTIC...
  • Page 77 7 PARTS LIST RT2048 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. R29-2 RESISTOR ARRAY 4x10k OHM 5% 1/8W PANASONIC EXBF8V103G (4X10K) 08.615 R30-2 RESISTOR MF 3k3 OHM 5% 0.4W PHILIPS 2322 181 53332 01.212 R31-2 RESISTOR MF 100k OHM 5% 0.4W PHILIPS 2322 181 53104 01.250...
  • Page 78 7 PARTS LIST RT2048 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. C28-3 CAPACITOR CERAMIC 10nF -20/+80% CL2 50VDC RT-HE70 SK YF 103 Z 15.170 C29-3 CAPACITOR MKT 1uF 5% 63VDC MKT 1826-510/06 4-G 11.190 C30-3 CAPACITOR MKT 470nF 5% 63VDC MKT 1826-447/06 4-G 11.187 C31-3 CAPACITOR MKT...
  • Page 79 7 PARTS LIST RT2048 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. L9-3 TRANSFORMER RF 110nH ADJUSTABLE TOKO E526-110436 38.407 P1-3 PLUG PCB 2x5 POLES RIGHT ANGLE 7610-5002-JL 78.252 Q1-3 TRANSISTOR BF 506 SIEMENS BF506-E6327 28.202 Q2-3 TRANSISTOR RF BF199 PHILIPS BF199 28.178 Q3-3 TRANSISTOR RF SWITCH...
  • Page 80 7 PARTS LIST RT2048 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. R55-3 RESISTOR MF 39k2 OHM 1% 0.6W PHILIPS 2322 156 13923 03.439 R56-3 RESISTOR MF 6k19 OHM 1% 0.6W PHILIPS 2322 156 16192 03.399 R57-3 RESISTOR MF 10k0 OHM 1% 0.6W PHILIPS 2322 156 11003 03.427...
  • Page 81 7 PARTS LIST RT2048 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. C12-3 CAPACITOR ELECTROLYTIC 47uF 20% 25VDC ELNA RJ2-25-V-470-M-F1 14.524 C13-3 CAPACITOR MKT 220nF 5% 63VDC PHILIPS 2222 370 79224 11.182 C14-3 CAPACITOR ELECTROLYTIC 22uF 20% 35VDC ELNA RJ2-35-V-220-M-F1 14.516 C15-3 CAPACITOR ELECTROLYTIC 10uF 20% 35VDC ELNA...
  • Page 82 7 PARTS LIST RT2048 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. D5-3 DIODE 1N4148 HIGH SPEED PHILIPS 1N4148-143 25.131 D6-3 DIODE SWITCH FACTORY SELECTED MPN 3700 ECI A/S C1082A / 0-0-25550 725550 D7-3 DIODE SWITCH BA282 BA 282 TAPED 25.390 D8-3 DIODE SWITCH BA282 BA 282 TAPED...
  • Page 83 7 PARTS LIST RT2048 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. R28-3 RESISTOR MF 60k4 OHM 1% 0.6W PHILIPS 2322 156 16043 03.238 R29-3 RESISTOR MF 100k OHM 5% 0.4W PHILIPS 2322 181 53104 01.250 R30-3 RESISTOR MF 30k OHM 5% 0.4W PHILIPS 2322 181 53303 01.236...
  • Page 84 7 PARTS LIST RT2048 RX/TX MODULE RT2048 ECI A/S 5-0-25448M / 4-0-25448K 625448 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. VARIOUS SHUNT CONNECTOR FEMALE 2 POLES 142270-1 78.325 VARIOUS FUSECLIP FOR 20x5mm FUSELINK KEYSTONE CAT.NO.3521 78.396 C1-4 CAPACITOR CERAMIC 2p7F +/-0.25pF NPO 100VDC PHILIPS 2222 689 09278 15.320...
  • Page 85 7 PARTS LIST RT2048 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. C67-4 CAPACITOR CERAMIC 470pF 10% 500VDC RT-HM60 SK YB 471 K 16.095 C68-4 CAPACITOR MKT 10nF 20% 100VDC PHILIPS 2222 370 38103 11.168 C69-4 CAPACITOR CERAMIC 470pF 10% 500VDC RT-HM60 SK YB 471 K 16.095 C70-4 CAPACITOR CERAMIC...
  • Page 86 7 PARTS LIST RT2048 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. Q8-4 TRANSISTOR N-CHAN. JFET TIS88A1 MOTOROLA TM 00 044 -1 29.735 Q9-4 TRANSISTOR N-CHAN. JFET TIS88A1 MOTOROLA TM 00 044 -1 29.735 Q10-4 TRANSISTOR MOSFET DUAL GATE N-CHAN.BF964SA BF964SA 28.240 Q11-4 TRANSISTOR MOSFET DUAL GATE N-CHAN.BF964SA...
  • Page 87 7 PARTS LIST RT2048 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. R65-4 RESISTOR MF 27k OHM 5% 0.4W PHILIPS 2322 181 53273 01.235 R66-4 RESISTOR MF 68k OHM 5% 0.4W PHILIPS 2322 181 53683 01.245 R67-4 RESISTOR MF 56k OHM 5% 0.33W PHILIPS 2322 187 73563 02.514...
  • Page 88 7 PARTS LIST RT2048 SELCALL ALARM (MODULE 6) SPECIAL OPTION FOR RT2048 ECI A/S 4-0-25660 / 5-0-25473 625660 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. DIODE HIGH SPEED 1N4448 PHILIPS 1N4448 25.147 PLUG 1/10" SIL 12 POLES EURO DIP SL 12 O Z 78.328 TRANSISTOR DARLINGTON NPN BC618...
  • Page 89 7 PARTS LIST RT2048 ATIS BASE MODULE FOR RT2048 (6) ECI A/S 5-0-28652A / 4-0-28652B 628652 POSITION DESCRIPTION MANUFACTOR TYPE PART NO. VARIOUS SHIELD FOR BASE PCB RT2048 ECI A/S 1-0-26448A 226448 C1-6 CAPACITOR CERAM. SMD 0805 100nF 10% X7R 25VDC MURATA GRM40 X7R 104 K 25 PT 328.348...
  • Page 92 M2048GB Issue: D/0549 Thrane & Thrane A/S info@thrane.com www.thrane.com • •...

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