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RF AMPLIFIER

TR403

MIXER

AE401

AE402

2nd OSC.

MIXER

455kHz

TR401, TR402

45 MHz

CER

FL402

IC401

MIXER, IF AMP & DET.

TR410, TR414

1st OSC.

FL401

IF AMP

XL402

XL401

TAG11120-1

455kHz

CER

FL403

CV404

AGC CONTROL

TR407

TP403

IMAGE

FILTER

GND

CV407

CV406

CV405

TP405

RSSI

DET

DELAY

FL404

DECODER

TP401

SINAD

FSK

COMP.

FILTER

QUICK
CHARGE

AMP

PHASE

REG

TR406

SUPPLY

TP402

INT.
REF.

RXEN

LOWB

RPR 583

TM1212 Issue 1

Page 3 - 4

Figure 3.2 Receiver Block Diagram

3.2

DUAL CONVERSION RECEIVER

The incoming RF signal is received by the aerial AE401/AE402 which is tuned by
CV404. Capacitors C401 and C441 provide matching to RF amplifier TR401,
TR402. R401, R402 and TR407 provide AGC.

Содержание RPR 583

Страница 1: ...RPR 583 TM1212 Issue 1 Page i TECHNICAL MANUAL for RADIO PAGING RECEIVER MODEL RPR 583 Printed and Published in England...

Страница 2: ...ors In line with the company policy of technical advancement the information within this document may be changed The user should ensure that the correct issue of the document is used Comments or corre...

Страница 3: ...iii Contents Page iv Effective Page List Page v Safety Summary Warning Caution Section 1 Introduction and Specification Section 2 Operating Instructions Section 3 Technical Description Section 4 Inst...

Страница 4: ...4 1 2 1 1 3 5 1 2 2 1 3 6 1 2 3 1 3 7 1 2 4 1 3 8 1 2 5 1 3 9 1 2 6 1 3 10 1 2 7 1 4 1 1 2 8 1 4 2 1 2 9 1 5 1 1 2 10 1 5 2 1 5 3 1 5 4 1 5 5 1 5 6 1 5 7 1 5 8 1 5 9 1 5 10 1 5 11 1 5 12 1 5 13 1 5 1...

Страница 5: ...uld result in personal injury or loss of life CAUTION statements identify conditions or practices that could result in equipment damage WARNING CAUTION STATIC SENSITIVE DEVICES ARE USED WITHIN THIS EQ...

Страница 6: ...RPR 583 TM1212 Issue 1 Page vi INTENTIONALLY BLANK...

Страница 7: ...ODUCTION 1 2 1 2 FEATURES 1 2 1 3 SPECIFICATIONS 1 3 1 3 1 Receiver Performance 1 3 1 3 2 Power Supply 1 4 1 3 3 Code Format 1 4 1 3 4 Memory 1 4 1 3 5 Displays Controls and Alerts 1 5 1 3 6 Operation...

Страница 8: ...plied by a single AAA battery The unit has the facility to be used with an absence charging rack The external contacts provide the interface for charging the rechargeable battery where fitted and for...

Страница 9: ...l Frequencies except Band 4 Local Oscillator Carrier Frequency 45MHz 3 2nd Oscillator 44 545MHz Band 4 45 455MHz Sensitivity The sensitivity figures quoted in Table 1 assume an ambient temperature in...

Страница 10: ...nnel Rejection 6 dB 1 3 2 Power Supply Battery Type Disposable Alkaline AAA 1 5 Volts Nominal Rechargeable Nicad AAA Typical Battery Life disposable 800 hrs 1 3 3 Code Format The Code Type is Multiton...

Страница 11: ...s Control Buttons Three push buttons on the font panel of the unit control all the functions of the pager Audible Alert Various tones which can be selected or muted by using the front panel controls V...

Страница 12: ...RPR 583 TM1212 Issue 1 Page 1 6 INTENTIONALLY BLANK...

Страница 13: ...Date 2 10 2 2 9 Setting the Timed off Time 2 11 2 2 10 Deleting Messages 2 12 2 2 11 Switching the Unit OFF 2 13 2 3 RECEIVING AND STORING MESSAGES 2 14 2 3 1 Introduction 2 14 2 3 2 Receiving a Messa...

Страница 14: ...PRESENT Figure 2 1 Controls and Display WARNING CAUTION PROTECT THE PAGER FROM LIQUIDS STRONG MAGNETIC FIELDS AND EXTREME TEMPERATURES DO NOT LEAVE THE PAGER EXPOSED TO STRONG SUNLIGHT 2 1 CONTROLS A...

Страница 15: ...creen will display the information as described in section 2 2 1 and will then switch to the quiescent state with a blank screen This status will remain until either a call is received one of the user...

Страница 16: ...on and operation of each symbol 2 2 3 Archive a General This option allows the operator to archive messages and also to view messages in the archive store b Archiving Messages Select the required mess...

Страница 17: ...n in paragraph 2 2 2 b Use the or buttons to choose the alarm ON or alarm OFF symbol When the alarm is set to OFF the symbol shows and the alarm time is not shown When the alarm is set to ON the displ...

Страница 18: ...ed as follows a The default audible alert for RIC1 is the Multitone Beep Codes But RIC1 can be programmed to have a personal alert which the operator can choose from seven allocated sounds The symbol...

Страница 19: ...time and the display shows When OFF is selected the display shows ii When the required selection is made push and release the O button to select another option e When all the required selections are m...

Страница 20: ...then proceed as follows a To change the message font select the ABC symbol i Use the or buttons to select the required font There are three available Normal The message screen shows a maximum of two...

Страница 21: ...release the O button to select another option d When all the required selections are made push the O button for one second or wait for the unit to time out The display returns to the standby screen No...

Страница 22: ...the tens of minutes number flashes Set the required figure with the or buttons e Push the O button to make the minutes number flash Set the required figure with the or buttons f Push the O button aga...

Страница 23: ...e To change the START and STOP times i Set the Timed off option to ON then push the O button The first numbers Start Time hours flash If the clock is set to the 12 hour mode the am pm characters also...

Страница 24: ...ges All the messages in the store memory but not those in the archive memory can be deleted in one operation i From the Standby Screen push the O button to show the main menu symbols ii Use the or but...

Страница 25: ...OFF but the pager cannot receive messages while it is set to this state To switch the pager OFF a Select the OFF function on the main menu as shown in paragraph 2 2 2 b The display shows the symbol pl...

Страница 26: ...messages The audible alert uses Multitone Beep Codes only RIC4 Receives information services A maximum of eight information services can be accommodated with each service storing a maximum of ten mess...

Страница 27: ...t part of the message To read another message use the or buttons When the last part of the message is shown push the O button The display shows three symbols To read the message again use the or butto...

Страница 28: ...messages have a thicker circle Use the or buttons to choose the required service number then push the O button to show the message To review other messages on the same service push the or buttons unti...

Страница 29: ...r voltage than disposable batteries This can cause the low battery warning system to operate earlier than necessary If rechargeable batteries are used it is recommended that the Low Battery warning sy...

Страница 30: ...ition to charging the battery the Absence Charging racks have the facility to allow the unit to communicate with the base system Thus the system administrator is advised which units are in the rack Wh...

Страница 31: ...2 PULL THE LOOP THROUGH THE SLOT AS FAR AS POSSIBLE STAGE 3 FEED THE CLIP THROUGH THE LOOP AND PULL TIGHT TAG11372 1 RPR 583 TM1212 Issue 1 Page 2 19 Figure 2 4 Lanyard Assembly 2 5 LANYARD ASSEMBLY...

Страница 32: ...RPR 583 TM1212 Issue1 Page 2 20 INTENTIONALLY BLANK...

Страница 33: ...RECEIVER 3 4 3 3 DECODER 3 7 3 3 1 General 3 7 3 3 2 Message Decoder 3 7 3 3 3 Microprocessor 3 8 3 3 4 EEPROM 3 8 3 3 5 SRAM 3 8 3 3 6 LCD Module 3 8 3 3 7 Display Illumination 3 9 3 3 8 Alerts 3 9...

Страница 34: ...semblies contained in a plastic case The case is constructed in two main parts the case front and the case back A cover on the back of the RPR 583 provides access to the battery compartment The two bo...

Страница 35: ...ceiver operates with battery economy mode When the unit is in standby mode the receiver is powered up at regular intervals equivalent to once per batch to allow the decoder to search for pre amble Whi...

Страница 36: ...V407 CV406 CV405 TP405 RSSI DET DELAY FL404 DECODER TP401 SINAD FSK COMP FILTER QUICK CHARGE AMP PHASE 1V REG TR406 1V SUPPLY 1V TP402 INT REF RXEN LOWB RPR 583 TM1212 Issue 1 Page 3 4 Figure 3 2 Rece...

Страница 37: ...uned to the third harmonic of XL402 by L411 and C459 The circuit provides the correct Local Oscillator frequency and reduces the level of 2nd 4th and higher harmonics The two tuned circuits L413 C463...

Страница 38: ...level at which the circuit starts to operate The value of 68 kilohms sets it to approximately 16dB above the sensitivity threshold The DC output from pin 22 of the IC connects to the AGC control circ...

Страница 39: ...DER 3 3 1 General The Decoder comprises the Decoder Oscillator Microprocessor EEPROM SRAM message memory and switches plus support components and a separate LCD module The signal from the receiver is...

Страница 40: ...rocessor s PGM input pin1 to the paging system controller through the PROG contact at the rear of the unit This allows communication between the unit and the system controller 3 3 4 EEPROM The EEPROM...

Страница 41: ...AA battery BAT1 The supply from the battery B connects directly to the lamp and vibrate motor circuits that require relatively high currents B also connects to the radio board through SK1 PL401 pin 9...

Страница 42: ...RPR 583 TM1212 Issue 1 Page 3 10 INTENTIONALLY BLANK...

Страница 43: ...RPR 583 TM1212 Issue 1 Page 4 1 SECTION 4 INSTALLATION AND COMMISSIONING There are no installation and commissioning procedures for the RPR 583 unit...

Страница 44: ...RPR 583 TM1212 Issue 1 Page 4 2 INTENTIONALLY BLANK...

Страница 45: ...Contacts Removal 5 6 5 6 ASSEMBLY 5 6 5 6 1 Battery Terminal Installation 5 6 5 6 2 Vibrate Motor Installation 5 6 5 6 3 LCD Module Installation 5 8 5 6 4 Board Assembly 5 8 5 6 5 Board Assembly Insta...

Страница 46: ...Board 5 10 5 5 Fault Finding Guide Sheet 1 of 3 5 11 5 6 Fault Finding Guide Sheet 2 of 3 5 12 5 7 Fault Finding Guide Sheet 3 of 3 5 13 5 8 Display Module Connections 5 16 5 9 Decoder Board Waveforms...

Страница 47: ...e spirit or other solvents as they can damage the case 5 3 WORKSHOP PROVISIONS Repair workshops must be free from hostile radio interference or otherwise equipped with Faraday cages Suitable equipment...

Страница 48: ...uired DC Power Supply 1 1 5 volts Cross point Screwdriver Surface Mount Handling Tools Anti static Workstation 5 5 DISASSEMBLY 5 5 1 Case Removal a Refer to Figure 5 1 Use a thumbnail to press down on...

Страница 49: ...moval a Remove the Case Back see paragraph 5 5 1 b Carefully lift the Board Assembly at the long edge next to the LCD Module When the edge of the Board Assembly is clear of the case pull the assembly...

Страница 50: ...ocedures given in paragraphs 5 5 1 5 5 2 and 5 5 3 a through c b Use the correct soldering tools to disconnect the two wires from the board c Use a screwdriver to lever the Vibrate Motor carefully fro...

Страница 51: ...Assembly 8 Battery Door 2 LCD Display 9 Case Fixing Screw 3 Decoder Board Assembly 10 Battery Negative Contact 4 Radio Board Assembly 11 Rubber Mat 5 Case Back Assembly 12 Moulding Bezel LCD 6 Battery...

Страница 52: ...with PL401 and carefully press the two boards together until the connectors are fully connected 5 6 5 Board Assembly Installation a Slide the Board Assembly into the Case Back b Make sure that the Ba...

Страница 53: ...good battery in the unit and switch ON the unit Refer to the Fault Finding Guide Figures 5 5 through 5 7 If it is suspected that the Decoder Board is faulty proceed as follows a Remove the Board Asse...

Страница 54: ...Connect the variable DC power supply to the unit and set the output to 1 05 volts b Switch ON the unit The unit should go through the normal start up procedure beep and vibrate for one second and show...

Страница 55: ...BLANK NO YES SEQUENCE IS BEEP AUDIBLE AT SWITCH ON IS BEEP AUDIBLE AT SWITCH ON DE CASE AND CHECK DISPLAY MODULE VDD AND YES NO DE CASE AND CHECK SP401 TR416 TR415 YES NO INTERCONNECTIONS DE CASE AND...

Страница 56: ...63 AND R465 CHECK IC401 IS DATA PRESENT ON IC401 PIN 11 IS 455kHz PRESENT ON IC401 PIN 10 IS VOLTAGE ON IC401 PIN 17 1 3V CHECK FL404 C425 IC401 FAULTY CHECK R457 CHECK R425 R429 AND IC401 IS 455kHz P...

Страница 57: ...S RF LEVEL AT NO YES YES NO YES NO YES YES YES NO C SHORT JUNCTION OF C407 R445 TO 0V IS IC401 PIN 24 3mV TR414 COLLECTOR 25mV TR403 BASE 3mV AND CV407 IS RF AT TR402 NO COLLECTOR 3mV CHECK TR401 TR 4...

Страница 58: ...Driver Table 5 1 Radio Board DC Voltage Levels TEST POINT DESCRIPTION VOLTAGE SIGNAL 401 Sinad Output 0 56Volts 402 Radio Supply 1 Volt 403 RSSI AGC 0 060Volts 404 Radio Ground 0Volts 405 Second IF 45...

Страница 59: ...Vibrate Motor Drive C5 0 19dc 2 2 V p p 4ms wide XL2 4 19MHz R1 C4 3 00 TR5 Pin4 1 49dc 3 0V p p CLKO 32 768kHz IC5 3 00 pin 1 3 00 pin 2 0 pin 3 Reset IC6 1 4 pin 1 3 00 pin 2 1 4 pin 5 VDD Supply Ta...

Страница 60: ...Connections CONTACT VOLTAGE REMARKS 6 3 00 VDD 7 3 00 VDD 8 0 0 Ground 9 0 0 Ground 10 0 0 Ground 11 0 0 Ground 12 3 00 VDD 13 3 00 VDD 26 0 0 Ground 27 1 48dc 3V p p Cap1 28 1 48dc 3V p p Cap1 29 0 0...

Страница 61: ...V 0 19V 4 19MHz WITHIN THE ENVELOPE 4ms VOLTS TIME 4ms TAG11348 1 WAVEFORM AT C26 0V 3V VOLTS 0V 1 49V WAVEFORM AT R1 C16 WAVEFORM AT IC3 PIN45 TIME RPR 583 TM1212 Issue 1 Page 5 17 Fig 5 9 Decoder Bo...

Страница 62: ...TIME 0V WAVEFORM AT PIN 32 3V VOLTS 0 68ms TIME WAVEFORM AT PIN 29 0V 6V p p VOLTS TIME 0 68ms WAVEFORM AT PIN 30 0V 6V p p VOLTS 0 68ms TIME 0V WAVEFORM AT PIN 27 3V p p VOLTS TAG11334 1 RPR 583 TM12...

Страница 63: ...REG OUT RSSI OUT RSSI IN TAG11349 1 1 4 5 8 VCC SDA A2 IC1 VSS A0 A1 SCL NC EXCEPT FOR THE LCD MODULE ALL DEVICES ARE VIEWED FROM ABOVE 1 16 33 32 48 49 64 17 P IC3 7 1 22 28 21 8 IC4 SRAM Module Rear...

Страница 64: ...ch 18 23 25 34 38 39 P50 P57 P60 P67 P02 P03 Address lines AD00 AD17 24 VSS Ground 35 RESET P reset input signal 36 P00 AREA No valid data input signal 37 P01 ATTN Valid data input signal 40 VDD VDD 4...

Страница 65: ...ddress line AD01 10 A0 Address line AD00 11 D0 Data line D00 12 D1 Data line D01 13 D2 Data line D02 14 VSS Ground 15 D3 Data line D03 16 D4 Data line D04 17 D5 Data line D05 18 D6 Data line D06 19 D7...

Страница 66: ...gnal 16 WR WR LCD write enable input signal 17 RD AD17 read enable input signal 18 25 D0 D7 D00 D07 Data lines 26 VSS Ground 27 CAP1 DC DC voltage converter capacitor 1 28 CAP1 DC DC voltage converter...

Страница 67: ...0 volts Alternatively lift R409 5 8 2 Alignment Procedure a Configure the test equipment as shown in Figure 5 12 Set the signal generator to the channel frequency with an output of 10dBm b Put the Bo...

Страница 68: ...o the alignment pins on the P671A refer to Figure 5 13 g Set the modulation to 1kHz at a deviation of 3 kHz and switch it ON Adjust CV404 to give 12dB sinad with minimum RF input A reading of 98dB sho...

Страница 69: ...85dBm b Install a known good battery in the pager and switch it ON c Put the pager in the P671A and send a sensitivity call from the P645 Increase the signal generator output level if necessary to obt...

Страница 70: ...TAG11124 1 60mm 14mm 52mm 20mm 20mm 20mm 5mm 80mm RPR 583 TM1212 Issue 1 Page 5 26 Fig 5 15 Polystyrene Block for TEM Cell Test Dimensions...

Страница 71: ...ogramming Software Programming Cable IBM PC or equivalent 5 9 3 Procedure Program the receiver as follows a Remove the Battery Door from the Case Back b Put the unit face down in the tray of the P671A...

Страница 72: ...RPR 583 TM1212 Issue 1 Page 5 28 INTENTIONALLY BLANK...

Страница 73: ...OARD PCB 3061 5617 6 3 Capacitors 6 3 Banded Capacitors 6 4 Crystals Filters 6 4 Banded Crystals 6 5 Diodes 6 5 Inductors 6 5 Banded Inductors 6 5 Resistors 6 6 Banded Resistors 6 6 Semiconductors 6 7...

Страница 74: ...SE FRONT DARK BEIGE Style 1 0801 0292 ASSEMBLY CASE FRONT DARK BEIGE Style 2 0801 0304 ASSEMBLY CASE BACK BLACK 0861 5734 BATTERY DOOR 0801 0160 WINDOW MULTITONE style 1 0961 5986 WINDOW MULTITONE sty...

Страница 75: ...P 33p 5 50V 3326 0021 C420 CAP CHIP 220n 10 16V 3301 0337 C432 440 447 CAP CHIP 4p7 0p25 50V 3326 0011 C436 490 CAP CHIP 22u 20 4V0 3412 0005 C437 CAP CHIP 330n 16V 0805 3301 0339 C441 CAP CHIP 1p8 0...

Страница 76: ...99MHz 451 456 999MHz 457 462 999MHz 463 469 999MHz C428 12p 12p 12p 11p C459 10p 10p 8p2 8p2 C463 11p 11p 10p 10p C464 11p 11p 11p 10p DESCRIPTION PART No CAP CHIP 8p2 0p5 50V 3326 0014 CAP CHIP 10p 0...

Страница 77: ...15 XTAL SECOND L O 45 455MHz 3915 0014 Diodes D401 DIODE SWITCHING 3703 0047 Inductors L406 IND CHIP 390n 4111 0045 L407 IND CHIP 15n 5 4103 0244 L408 IND CHIP 270n 5 4103 0264 L409 IND CHIP 470n 5 41...

Страница 78: ...W 3115 0120 R430 RES CHIP 0S 5 62m5W 3115 0001 R433 RES CHIP 1k2 5 62m5W 3115 0076 R434 RES CHIP 15k 5 62m5W 3115 0102 R438 445 RES CHIP 680S 5 62m5W 3115 0070 R440 452 RES CHIP 220S 5 62m5W 3115 0058...

Страница 79: ...1 0004 TR416 TRANS CHIP 2SD1757KS 3602 0038 Banded Semiconductor BAND 1 BAND 2 BAND 3 BAND 4 430 434 999MHz 435 439 999MHz 440 443 999MHz 444 446 999MHz TR408 N F N F N F DTC115TUA BAND 5 BAND 6 BAND...

Страница 80: ...P CHIP 100p 5 50V 3326 0027 C16 26 CAP CHIP 27p 5 50V 3326 0020 C17 18 CAP CHIP 1u0 20 80 16V 3301 0277 Diodes D2 DIODE RB715F 3710 0005 Inductors L2 IND CHIP 100u 4119 0001 Resistors R1 9 RES CHIP 1k...

Страница 81: ...C808 40W 3602 0058 TR4 TRANS 2SD1757KS 3602 0038 TR5 IC BU4S584F 3837 0004 TR7 TRANS NPN 2SC4617 3602 0050 Miscellaneous BAT 2 BAT POLY CAP PAS621L VL5 3331 0002 LCM DISPLAY LCD TLA SEIKO 5206 0020 LP...

Страница 82: ...RPR 583 TM1212 Issue 1 Page 6 10 INTENTIONALLY BLANK...

Страница 83: ...iagram Sheet 2 of 2 7 3 Radio Board PCB 3061 5617 Iss 1 0261 5616 Iss 1 7 7 8 Component Layout Side 1 7 4 Radio Board PCB 3061 5617 Iss 1 0261 5616 Iss 1 7 9 10 Component Layout Side 2 7 5 Decoder Boa...

Страница 84: ...RPR 583 TM1212 Issue 1 Page 7 2 INTENTIONALLY BLANK...

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