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RPR 550IS Series

TM1188 Issue 1

Page 5 - 1

SECTION 5

SERVICING

CONTENTS:

ROUTINE MAINTENANCE

SERVICE POLICY

WORKSHOP PROVISIONS

TEST EQUIPMENT, TOOLS AND ANCILLARIES

Test Equipment

Tools and Ancillaries

SERVICING

10.

Clip Removal and Replacement

11.

Case Removal

12.

PCB Separation

13.

Display Removal

14.

Re-assembly

15.

FAULT-FINDING

16.

Power Supply Voltage Adjustment

17.

Battery Low Circuit Test

20.

ALIGNMENT PROCEDURE RPR 550IS SERIES

21.

Receiver Sensitivity Measurement (Coarse)

22.

Receiver Sensitivity Measurement (Fine)

24.

PROGRAMMING THE PAGER

TABLES

Page

RPR 551IS Radio Board DC Voltage Levels

5-16

RPR 552IS Radio Board DC Voltage Levels

5-16

RPR 553IS Radio Board DC Voltage Levels

5-16

RPR 550IS Main Board Decoder Circuit DC Voltage Levels

5-17

Decoder Circuit Detailed Test Sequence

5-19

Display Connections

5-21

IC2, Gate Array Pin Connections

5-22

IC3, Microprocessor Pin Connections

5-25

Summary of Contents for RPR 551IS

Page 1: ...ntinually taking place It is not company policy that the technical manual should cover all previous issues of products but only the latest design state To this end where an amendment changes either th...

Page 2: ...of Multitone Electronics plc PCN Nos 4883 4899 5031 5183 TPF003 01 August 1996 Page 2 6 5 6 6 Component change D9 13 15 16 17 18 6 7 6 8 Component change R72 7 1 7 2 Contents List updated 7 9 7 10 Dra...

Page 3: ...RPR 550IS Series TM1188 Issue 1 AL2 Oct 98 Page i TECHNICAL MANUAL for RADIO PAGING RECEIVERS MODELS RPR 551IS RPR 552IS AND RPR 553IS Printed and published in England...

Page 4: ...es or errors 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...

Page 5: ...nts Page iv v Effective Page List Page vi Safety Summary Warnings Page vii Cautions FCC Part 15 Compliance Section 1 Introduction and Specification Section 2 Operating Instructions Section 3 Technical...

Page 6: ...24 1 1 1 1 AL2 2A 3 1 3A 9 1 5 25 1 1 2 1 AL2 2A 4 1 3A 10 1 5 26 1 1 3 1 2A 5 1 4 1 1 5 27 1 1 4 1 2A 6 1 4 2 1 5 28 1 1 5 1 3 1 1 5 1 1 5 29 1 1 6 1 AL2 3 2 1 5 2 1 5 30 1 1 7 1 3 3 1 5 3 1 5 31 1...

Page 7: ...1 AL1 7 1 1 AL2 7 13 1 7 27 1 6 4 1 AL1 7 2 1 AL2 7 14 1 7 28 1 AL1 6 5 1 AL1 7 3 4 1 7 15 16 1 7 29 30 1 6 6 1 AL2 7 31 32 1 6 7 1 AL2 7 6 1 7 18 1 7 33 1 6 8 1 AL1 6 9 1 AL1 7 8 1 7 20 1 6 10 1 AL1...

Page 8: ...apply WARNING statements identify conditions or practices that could result in injury or loss of life CAUTION statements identify conditions or practices that could result in equipment damage WARNING...

Page 9: ...to this device may void the user s authority to operate the equipment Important Intrinsic Safety Information THIS RADIO PAGING RECEIVER HAS BEEN CERTIFIED TO EUROPEAN HARMONISED SPECIFICATIONS FOR INT...

Page 10: ...RPR 550IS Series TM1188 Issue 1 AL2 Oct 98 Page viii INTENTIONALLY BLANK...

Page 11: ...ver Performance 6 RPR 552IS Receiver Performance 7 RPR 553IS Receiver Performance 9 Power Supply 10 Code Format 11 Display Controls and Alerts 12 Memory 13 Beep Code Alpha 14 Operational Environment 1...

Page 12: ...ded Call capacity of up to 40 000 individual address codes 10 000 per system number Choice of languages for display indications Eight different audible tone alert patterns beep codes plus one silent a...

Page 13: ...ineering use only Detachable Lanyard Beep code alpha pre programmed messages related to four beep codes SPECIFICATIONS RPR 551IS Receiver Performance 5 The receiver performance is as follows a Frequen...

Page 14: ...Hz to 54MHz and assume an ambient temperature in the range 18EC to 25EC RPR 552IS Receiver Performance 6 The receiver performance is as follows a Frequency Range 138MHz to 174 999MHz b Frequency Bands...

Page 15: ...iver performance is as follows a Frequency Range 430MHz to 470MHz b Frequency Bands 4 430MHz to 438 999MHz 0 439MHz to 444 999MHz 1 445MHz to 452 999MHz 2 453MHz to 460 999MHz 3 461MHz to 470 000MHz c...

Page 16: ...hannel rejection 5dB NOTE The figures quoted in d to k are typical for the frequency range 430MHz to 470MHz and assume an ambient temperature in the range 18EC to 25EC 8 For the RPR 550IS Series the v...

Page 17: ...16s uncancelled no Extended alert speech 4s with 30s mean speech time User time e g Status Memory Recall 20s hour Code Format 10 The code format is Manchester Encoded Multitone Mk7 Radio Paging Code D...

Page 18: ...al at 2 7kHz with LED and vibrate If vibrate fitted two seconds on two seconds off for the alert duration f Audible Alert Out of Range and Low Battery Buzz 2 7kHz tone modulated with 512Hz tone Memory...

Page 19: ...al Pager Weights Operational Environment 14 The operational environment is as follows a Temperature 10EC to 55EC b Humidity 90 RH Non Condensing c Storage Temperature 20EC to 70EC NOTE There may be so...

Page 20: ...RPR 550IS Series TM1188 Issue 1 Page 1 10 INTENTIONALLY BLANK...

Page 21: ...ert 15 Extended Alert 16 Vibrate Alert 17 Message Calls 20 Speech Calls 22 Tone Only Calls 23 Calls in Mute Mode 24 Receiving Another Call Before the Previous Alert Has Finished 25 Memory Recall 30 Sw...

Page 22: ...ction 2 describes the operation of the RPR 550IS Series of pagers consisting of RPR 551IS RPR 552IS and RPR 553IS The use and location of the different buttons and the various functions they control a...

Page 23: ...first 0 5s the pager emits a 2 7kHz beep the Light Emitting Diode LED illuminates all segments are displayed and the vibrate if fitted operates see Figure 2 If the battery is low the pager emits a bu...

Page 24: ...as changed status or a button has been pressed b Continuous display the display is always active showing the highest priority status information except when receiving a call In the quiescent display c...

Page 25: ...and the pager is not out of range Mute mute 3 pager is in Mute mode On on 3 no other status messages to display Receiving a Paging Call 9 There are eight different audible tone alert patterns beep co...

Page 26: ...g the Cancel button The beep LED and vibrate cease but the message is replayed from the beginning Escalating Alert 13 The escalating alert has three stages the first two lasting 4s each and the last o...

Page 27: ...full volume for the whole of the programmed alert time Extended Alert 15 If enabled and the call is not cancelled the pager enters extended alert after the normal alert has finished During extended a...

Page 28: ...cess may be repeated Speech Calls 20 When a speech call is received the pager always alerts for 4s at stage 3 entry point full volume This is irrespective of the programmed alert type or duration Afte...

Page 29: ...sage screen and consists of a time stamp if Time of Day is active on the system or by Mx where x is 1 5 if Time of Day is disabled plus the initial part of the message or the whole message if 14 chara...

Page 30: ...of the pager display to find out the current status of the pager If in normal mode the pager emits one pip and the display shows on If in Mute mode the pager emits two pips and the display shows mute...

Page 31: ...lapsed the pager display returns to the quiescent condition Pressing Cancel when the pager is out of range also causes the warning buzz to be generated Beep Code Alpha 37 Beep Code Alpha is when one m...

Page 32: ...n as normal but any message or speech is ignored 42 Manual speech is available in test mode The speech channel opens if the Cancel button is pressed and held for 2s and remains open indefinitely until...

Page 33: ...ery is shown on the display In quiescent mode if Time of Day is enabled then the shortened form bat appears to the right of the time indication In status interrogation low battery is shown in full The...

Page 34: ...contains a rack message which may be up to a maximum of nine characters in length The factory programmed default rack message absent may be changed to a user name by using P648H programming software...

Page 35: ...ithdrawing the pager The LED extinguishes and the pager goes through the switch on sequence before reverting to its normal operational mode 53 If the pager is inserted into a rack that has charging di...

Page 36: ...RPR 550IS Series TM1188 Issue 1 Page 2 16 INTENTIONALLY BLANK...

Page 37: ...ng to use the programming equipment ENGINEERING STATES 2 Press the Mute button during the first four seconds of the switch on sequence The first engineering state E0 bytes 0 3 of the EEPROM is shown o...

Page 38: ...racters 4 Engineering states E0 E3 contain 16 hexadecimal numbers representing eight bit binary words stored in the EEPROM Interpretation of the binary words relating to the first two screens indicate...

Page 39: ...4 5 6 7 8 BINARY 0000 0001 0010 0011 0100 0101 0110 0111 1000 9 A B C D E F 1001 1010 1011 1100 1101 1110 1111 Conversion of the sample engineering mode displays previously shown 9 0 1 5 6 C E 6 1001...

Page 40: ...Cont 00 Enable 1 Dis able 0 Enable 1 Dis able 0 Lamp only 00 Quiet Alert 01 Full Alert 10 Enable 1 Dis able 0 None 00 10s 01 30s 10 150s 11 0 0 0 0 01 0 1 01 0 1 10 6 7 8 9 Low Battery Warning Call Co...

Page 41: ...e for Beep Code Alpha Slot 3 Time Stamp for message Time of Day Fixed Enable 1 Dis able 0 Enable 1 Dis able 0 10 0011 1000 0101 1 1 10 14 15 16 Fixed Mk7 System Number Fixed Fixed Address Digits Displ...

Page 42: ...tart point Quiet Speech Enabled Speech time out 30s Low battery audible and visual warning Enabled Call comparator Disabled Out of Range audible and visual warning Enabled Mute mode Enabled Permanent...

Page 43: ...er 15 RPR 552IS RADIO BOARD FRONT END 16 Antenna 17 RF Amplifier 18 SAW Filter 19 Local Oscillator 20 Mixer 21 RPR 553IS RADIO BOARD FRONT END 22 Antenna 23 RF Amplifier 24 SAW Filter 25 Local Oscilla...

Page 44: ...E RACK REGISTRATION AND CHARGING TABLE Page 1 LCD Module 3 14 FIGURES 1 RPR 551IS Hardware Components 3 4 2 RPR 552IS 553IS Hardware Components 3 4 3 Overall Block Diagram 3 5 4 RPR 551IS Radio Board...

Page 45: ...PR 551IS by means of two plugs and their corresponding sockets b RPR 552IS by means of a plug and socket and two soldered aerial connections c RPR 553IS by means of a plug and socket and two soldered...

Page 46: ...PSG 10436 1 PSG 10437 1 RPR 550IS Series Page 3 4 TM1188 Issue 1 Figure 1 RPR 551IS Hardware Components Figure 2 RPR 552IS 553IS Hardware Components...

Page 47: ...lock diagram of the functional areas of the RPR 550IS Series Full circuit diagrams for the radio and main board of each type of pager appear in Section 7 Signal Processing 8 The RF signal is detected...

Page 48: ...R101 via the matching network C101 and C102 TR101 is in the common base mode Improved stability is given to the amplifier by C108 The amplified output from the collector of TR101 is tuned by the reson...

Page 49: ...R 552IS RADIO BOARD FRONT END 15 Figure 5 shows the functional block diagram of the radio board front end Antenna 16 The incoming RF signal is detected by the tuned loop antenna AE1 which is fixed to...

Page 50: ...put 455kHz above the RF input is fed to the mixer via C215 The frequency of the crystal is calculated by the following formula Crystal XL201 frequency MHz Receiver channel frequency MHz 0 455MHz 3 Mix...

Page 51: ...e third overtone quartz element The oscillator is trimmed to the correct frequency by C314 before the output is fed to TR305 via C322 The non linear action of TR305 triples the frequency and the third...

Page 52: ...FILTER AMPLIFIER FL1 FL2 IC1 AMP AND DETECTOR IC1 AGC NETWORK AUDIO AMP TR1 TR2 TR10 DATA FILTER TR11 TR12 TR31 TR29 INCOMING IF FROM FRONT END BOARD BEEP DRIVER TR24 TR20 ON ICON DRIVER TR18 LED DRI...

Page 53: ...nabling data filter TR11a and allowing data to pass to TR29 which is also enabled Data then passes to pin 15 of IC1 for squaring On leaving IC1 via pin 16 the data is inverted by TR12a This ensures th...

Page 54: ...ing data from the receiver Multitone Mk7 data then passes to the microprocessor The interrupt signal reset LED drive and tone waveforms are all generated by the gate array IC2 also monitors the contro...

Page 55: ...ed an alert is generated comprising audible tone alert flashing LED text displayed on the LCD and optionally speech and or vibration Clocks 38 The two clocks on the main board control the timing of th...

Page 56: ...forming a bias chain The driver chip interfaces to microprocessor IC3 via a four bit port with three control lines and an additional line to turn the bias chain on and off The lines are shown in Table...

Page 57: ...VDD affect the voltage on the base of TR14b subsequently causing TR14b collector to alter This changes the VBE of TR5a and therefore the amount of base drive of oscillator TR16 Diodes D17 and D18 inf...

Page 58: ...to alter This changes the VBE of TR19a and via TR19b and TR4 the amount of base drive of oscillator TR22 Diodes D4 and D5 infallibly limit the output voltage of the convertor under fault conditions Lo...

Page 59: ...teword 23 In Range IDLE ADDRESS AND MESSAGE CODEWORDS 24 Idleword 25 Address Codeword 30 Message Codeword 33 Speech Messages 35 GROUP ADDRESS TABLE Page 1 Beep Code Patterns 3A 8 FIGURES 1 Example of...

Page 60: ...Mk7 paging format is transmitted by Manchester code In Manchester modulation bits are represented by a change of state i e 1 s are represented by a change from low to high and 0 by a change from high...

Page 61: ...ucture 10 A Batch consists of 16 codewords belonging to one system Each codeword consists of 32 bits therefore each batch consists of 512 bits The first three codewords are reserved forming a Batch he...

Page 62: ...wing the Bose Chaudhuri Hocquenhen BCH method c Bit 32 Parity Bit Gives an even bit parity check of the whole codeword 13 Codewords are transmitted with the first bit Bit 1 as the most significant Eve...

Page 63: ...does not preclude the programming of paging receivers to display midnight as 00 00 00 if required 18 Time of Day information is taken from the internal Access 3000 system clock On other systems where...

Page 64: ...bits 22 31 and Parity bit 32 are not shown 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 BIT No DATA NOTE Check bits 22 31 and Parity bit 32 are not shown 1 1 1 0 0 0 1 1 1 0 0 0 1 1...

Page 65: ...fies Beep Code message wait and address value Its structure is shown in Figure 8 26 Bit 1 Message flag is always set to 0 Bit 7 is reserved for future development of the code it is currently set to 1...

Page 66: ...SINGLE BEEP 2 0 0 1 0 DOUBLE BEEP 3 0 0 1 1 TRIPLE BEEP 1 0 1 0 0 CONTINUOUS BEEP 4 0 1 0 1 SINGLE PIP 6 0 1 1 0 DOUBLE PIP 7 OVERRIDE 1 0 1 0 TRIPLE PIP 5 1 0 1 1 CONTINUOUS PIP 8 Table 1 Beep Code P...

Page 67: ...d in calls other than Tone Only or Tone plus Speech calls Speech Messages 33 A speech message is initiated by a Type 1 message codeword DC1 DC1 This switches the paging receiver into speech mode after...

Page 68: ...00 b Ignore the first and last digits 150 c Add 10 in front of number 10150 second address 37 The group of 10 consists of receivers 1500 to 1509 38 Using the same pager address the second address for...

Page 69: ...M1188 Issue 1 Page 4 1 SECTION 4 INSTALLATION AND COMMISSIONING Any relevant information on the installation and commissioning procedures for the RPR 550IS Series of pagers is contained within Section...

Page 70: ...RPR 550IS Series Page 4 2 TM1188 Issue 1 INTENTIONALLY BLANK...

Page 71: ...ge Adjustment 17 Battery Low Circuit Test 20 ALIGNMENT PROCEDURE RPR 550IS SERIES 21 Receiver Sensitivity Measurement Coarse 22 Receiver Sensitivity Measurement Fine 24 PROGRAMMING THE PAGER TABLES Pa...

Page 72: ...ion 5 22 8 IC3 Microprocessor Pin Configuration 5 24 9 IC4 EEPROM Pin Configuration 5 26 10 Semiconductor Lead Details 5 26 11 IC1 Pin Configuration 5 27 12 Diode Lead Details 5 27 13 IC7 Pin Configur...

Page 73: ...ved in order to access components must be refitted flush to the board 4 With reference to Section 7 Figures 13 and 14 If components are replaced in the areas marked A and B then apply two coats of lac...

Page 74: ...supply P645A Test Encoder Software V04 00 RF Signal Generator Oscilloscope RF Millivoltmeter with High Impedance Low Capacitance Probe P637 Alignment and Fault Finding Jig P637F Adaptor Plate RPR 550...

Page 75: ...Surface Mount Handling Tools Anti static Workstation Part No 0160 7888 Lacquer Multicore PC52 Part No 9411 0001 SERVICING 9 Switch the pager off before dismantling it Clip Removal and Replacement 10...

Page 76: ...OTE Take care not to damage the speaker wiring assembly PCB Separation 12 To separate the PCBs refer to Figure 3 and proceed as follows a Using a 2 5mm crosspoint screwdriver remove the crosspoint scr...

Page 77: ...PSG 10444 1 RPR 550IS Series TM1188 Issue 1 Page 5 7 Figure 2 Case Removal...

Page 78: ...l it around until it locates in the correct position Ensure that the contact fingers at the end of the decoder board are not disturbed and that the link wires are correctly located FAULT FINDING 15 Pl...

Page 79: ...ct a dummy battery to a variable DC power supply Plug the dummy battery into the pager and set the PSU output to 1 1V DC 18 Switch on the pager It should go through the normal start up procedure excep...

Page 80: ...NO YES IS LED CORRECT NO YES DECASE AND CHECK DISPLAY MODULE VDD2 VDD TR17 D3 IC3 DECASE AND CHECK DISPLAY MODULE VDD2 TR20 TR24 IC2 IC3 L3 DECASE AND CHECK 1V5 VDD2 GATE ARRAY P EEPROM FOLLOW TABLE...

Page 81: ...kHz TONE AT SK2 PIN 2 FAULTY RADIO BOARD IS 455kHz AT IC1 PIN 5 IS DATA AT R17 PAGER OK NO YES OK 3dBm LOW YES YES NO NO CHECK TR27 TR28 TR3 IC1 PIN 19 R3 NO YES NO NO YES CHECK DATA FILTER AND LIMITE...

Page 82: ...200mV 455kHz p p THE PROBLEM IS THE CONNECTOR OR ON THE MAIN BOARD IS THERE 150 200mV 455kHz p p TRY TUNING L101 TO PEAK SIGNAL AT SK101 PIN 3 REMOVE SCREEN TURN THE SIGNAL GENERATOR OFF PUT A x10 PRO...

Page 83: ...6 R108 R107 R109 TR102 LOCAL OSCILLATOR DOUBLER INJECTION PROBLEM CHECK BIASING OF L103 C117 C114 C109 C112 C113 REMOVE R107 TO DISABLE THE LOCAL OSCILLATOR APPLY 30dBm TO SK102 USING AN RF MILLIVOLTM...

Page 84: ...2dB SINAD CHECK TR201 TR202 AND ASSOCIATED COMPONENTS CAN C209 BE ADJUSTED TO GIVE A PEAK IN THE O P AT SK2 PIN 2 20mV CHECK C317 C318 C319 C336 C322 C323 YES NO YES NO REMOVE SCREEN AND LIFT L201 ARE...

Page 85: ...8 CAN C314 BE ADJUSTED TO GIVE A PEAK IN THE O P AT SK2 PIN 2 20mV CHECK C317 C318 C319 C336 C322 C323 YES NO YES NO REMOVE SCREEN AND C314 ARE DC LEVELS CORRECT FOR TR304 TR305 L307 XL301 CHECK TR301...

Page 86: ...77 0 RF amplifier TR202 0 90 1 0 0 30 RF amplifier TR203 1 0 1 0 0 32 Oscillator TR204 0 75 0 5 0 Mixer XL201 1 0 Local oscillator crystal NOTE The voltages listed above were measured with a battery t...

Page 87: ...Audio pre amp TR10b 1 27 1 0 62 5 1 01 6 Power amp DC operating point TR11a 0 4 0 51 2 1 08 3 Data filter gate TR11b 3 00 1 2 46 5 3 04 6 Data filter gate TR12a 4 0 51 2 0 3 Data inverter TR12b 0 01...

Page 88: ...reset TR26 1 24 1 25 Vibrate enable TR27 1 10 0 70 1 18 1V series regulator TR28 0 70 1 14 0 80 1V regulation TR29 1 08 1 59 1 07 Data filter gate TR31a 0 02 4 0 50 2 0 3 Data filter gate TR31b 1 07...

Page 89: ...pin 3 XL3 Gate array clock crystal 32 768kHz 6 IC2 pin 5 RESB 0 3V on switch on 7 IC3 pin 33 P13 Interrupt 140 S pulse 8 IC2 pin 68 TMI 100 s every 2s 9 IC2 pin 67 SWI Switch activity 10 IC3 pin 22 X...

Page 90: ...PIN 33 SCK INTERRUPT IC2 PIN 68 TMI IC3 PIN 22 XL4 IC2 PIN 26 E IC2 PIN 9 BEC f 32kHz 1V5 3V 0V 3V 0V 0V 3V 0V 3V 0V 1V3 0V 2s NOTE 1 Waveforms are taken in the Battery Economy Mode unless qualified R...

Page 91: ...ries TM1188 Issue 1 Page 5 21 Figure 6 Display Connections Between LCD and Main Board Table 6 Display Connections PIN IC3 LCD1 REMARKS 1 1 VSS 0V 2 10 3 SBY 3 5 IC 2 ON icon oscillator from TR18 4 16...

Page 92: ...put 512 baud 32 768kHz 1200 baud 38 400kHz 5 RESB Reset input 0 reset 7 DIN Data input 9 Radio enable 0 radio on 1 radio off 10 VDD1 Low voltage supply rail 0 9V 1 5V 11 VSS Ground 13 TON Beep drive 0...

Page 93: ...Ground 42 TSF 128Hz output 50 VSS Ground 51 VDD1 Low voltage supply rail 0 9V 1 5V 53 ON On enable 0 switch on 1 quiescent mode 55 S1I On Switch inputs 0 switch closed 1 switch open 57 S2I Off 59 S3I...

Page 94: ...550IS Series Table 7 IC2 Gate Array Pin Connections PIN NAME DESCRIPTION TM1188 Issue 1 Page 5 24 Figure 8 IC3 Microprocessor Pin Configuration 77 VSS Ground 78 QIN VDD 79 VSS Ground NOTE Z high impe...

Page 95: ...ble 11 P50 Display VDD enable 13 P43 Display DB7 14 P42 Display DB6 15 P41 Display DB5 16 P40 Display DB4 17 VSS Ground 18 XT1 Ground 20 RESET Reset 21 X1 Oscillator circuit 22 X2 23 P33 To Register S...

Page 96: ...1 RPR 550IS Series Table 8 IC3 Microprocessor Pin Connections PIN NAME DESCRIPTION TM1188 Issue 1 Page 5 26 Figure 9 IC4 EEPROM Pin Configuration Figure 10 Semiconductor Lead Details 33 P13 TI0 To SCK...

Page 97: ...1V POT GND DATA OUT DATA IN QUADRATURE LC IN NC DISCRIMINATOR OUT NC NC NC NC NOT CONNECTED DE COUPLE DE COUPLE DE COUPLE DE COUPLE PSG 10427 1 1 3 2 BAV 99 B A BAT 74 1 2 3 4 B A PSG 10426 1 RPR 550...

Page 98: ...20 To carry out the alignment procedure configure the equipment as shown in Figure 14 If the meter has a speaker facility ensure that the speaker is switched on Proceed as follows a Read Annexes A an...

Page 99: ...z for 10 12 5kHz channel spacing Adjust the following components for a maximum reading on the AC millivoltmeter 45mV This is not applicable to RPR 551IS i For RPR 552IS Signal level is 20dBm Adjust C2...

Page 100: ...CKET RF IN C212 L2 SK2 TEST SOCKET C209 RF IN C314 L2 SK2 TEST SOCKET L101 or C202 or C327 PSG 10423 1 PSG 10422 1 RPR 550IS Series TM1188 Issue 1 Page 5 30 Figure 15 Tuning Points Figure 16 Dummy Cas...

Page 101: ...and at an output level of 85dBm b Place the radio pager into the P637F c Switch on the pager d Send a sensitivity call from the P645 increasing the signal generator output level if necessary to obtain...

Page 102: ...ns Place the pager in the polystyrene block see Figure 18 positioned centrally in the TEM Cell with the clip facing the input end of the cell A level of 90dBm RPR 551IS 92dBm RPR 552IS or 93dBm RPR 55...

Page 103: ...PSG 10039 RPR 550IS Series TM1188 Issue 1 Page 5 33 Figure 18 Polystyrene Foam Block Dimensions in mm...

Page 104: ...REGULATOR CONTROL IF1 IF2 AMP R26 C46 AGC R32 C57 AUDIO TEST PART OF IC1 19 18 1 4 5 14 15 16 13 L2 C19 SK2 2 PL1 3 DATA OUT AGC TR12b R98 R51 R99 TR29 R53 C58 R24 TR11a R46 R50 TR11b TR31a R49 R58 TR...

Page 105: ...8 B 1V REG R21 TR3 C7 SWITCHED BATTERY TR27 R88 R37 19 18 L2 R23 C1 AUDIO R33 TR1 R47 20 VCC 13 BATT DATA AMP AGC AUDIO PRE AMP PART OF IC1 PL1 1 2 PL1 4 TR28 D14 R94 B R61 R22 LINK Y OR Z B RPR 550IS...

Page 106: ...NG ON FROM OFF B IC2 p53 TR25a R81 C2 ON SELF SWITCH ON FITTING BATTERY B B B R6 TR16 C37 D2a C21 D2b L1 TR5b TR7 R27 R4 IC2p17 OFF VDD TR5a R5 R8 TR14a R18 VDD B IC 2 IC 3 IC 4 LED DRIVER D19 R13 D3...

Page 107: ...1B VIB CONTACT TR6 R9 TR26 B IC2 p15 VIB VIBRATE DRIVE CCTRY B D10b C54 DISPLAY VDD R7 L4 TR22 C35 C39 TR4 R89 B TR19a B R73 IC3p11 TR21b TR21a R19 B R72 R96 DISPLAY 5V SUPPLY D4 TR19b D5 D10a RPR 550...

Page 108: ...32 C46 B B R33 TR10a PRE AMP R39 TR10b R52 TR1 SPEAKER R55 R47 TR2 1V R62 R64 D7b D7a R68 C31 B C40 R57 R56 TR15a TR15b C50 SPEECHEN R94 R93 C62 BEEP RPR 550IS Series TM1188 Issue 1 Page 5 38 Figure 2...

Page 109: ...Capacitors 7 Connectors 8 Crystals 9 Diodes 10 Filters 11 Inductors 12 Integrated Circuits 13 Resistors 14 Switches 15 Transistors 16 Channel Dependent Components RPR 551IS RADIO BOARD COMPONENTS 17 G...

Page 110: ...ector 34 Crystal 35 Filter 36 Inductors 37 Resistors 38 Transistors RPR 552IS BANDED COMPONENTS 39 Band 1 40 Band 2 41 Band 3 RPR 553IS RADIO BOARD COMPONENTS 42 General 43 Capacitors 44 Connector 45...

Page 111: ...0261 2673 COMPRISING OF ASSY CASE FRONT SPEAKER RING 0261 0108 BUTTON CANCEL 0860 9738 COIL SPRING CANCEL BUTTON 1761 0660 LOUDSPEAKER 5003 0007 PLUG 2 WAY 4328 0001 O RING SPEAKER 2501 0001 ADHESIVE...

Page 112: ...580 RPR 553IS LABEL CASE REAR APPROVAL T4 2061 3588 RPR 553IS LABEL CASE FRONT APPROVAL T6 2061 2421 RPR 553IS LABEL CASE REAR APPROVAL T6 2061 2449 4 GENERAL AERIAL PAD RPR 551IS ONLY 1860 9766 CONTA...

Page 113: ...38 42 44 46 49 50 53 57 59 63 CAP CHIP 100n 80 20 16V 3329 0013 C16 CAP CHIP 22n 80 20 50V 3328 0009 C17 CAP CHIP 10n 80 20 50V 3328 0007 C21 CAP CHIP 33 7V 3325 0002 C26 CAP CHIP 68p 5 50V 3326 0025...

Page 114: ...s IC1 IC IF CHIP TK10445M 3827 0001 IC2 IC GATE ARRAY 3807 0006 IC3 IC MICROPROCESSOR 0501 0130 IC4 IC X24LC04S EEPROM 3818 0006 IC7 VOLTAGE DETECTOR 1 15V 6003 0003 13 Resistors R2 93 RES CHIP 1k 5 0...

Page 115: ...8 R39 67 69 84 RES CHIP 1k2 5 0 0625W 3115 0076 R66 RES CHIP 47k 5 0 0625W 3115 0114 R68 81 87 95 RES CHIP 1M0 5 0 0625W 3115 0146 R72 RES CHIP 8k2 5 0 0625W 3115 0096 R78 or R79 RES CHIP 10R 5 0 0625...

Page 116: ...3115 0126 RPR 551IS RADIO BOARD COMPONENTS 17 General CAN RADIO SCREEN 1261 0256 SLEEVE XL101 7803 0001 18 Capacitors C103 107 113 118 CAP CHIP 100n 80 20 25V 3301 0149 C106 111 112 CAP CHIP 10n 10 50...

Page 117: ...171 R109 RES CHIP 150R 5 0 0625W 3105 0151 23 Transistors TR101 TRANSISTOR NE 02133 D 3605 0002 TR102 103 TRANSISTOR BFS17 3602 0001 RPR 551IS BANDED COMPONENTS 24 Band 1 C101 CAP CHIP 75p 5 50V 3301...

Page 118: ...0023 28 Band 5 C101 CAP CHIP 18p 5 50V 3301 0019 C102 CAP CHIP 82p 5 50V 3301 0035 C104 CAP CHIP 22p 5 50V 3301 0021 C105 CAP CHIP 15p 5 50V 3301 0017 C108 CAP CHIP 3p9 0 25p 50V 3301 0008 C114 CAP CH...

Page 119: ...C206 208 214 217 CAP CHIP 1 0 80 20 16V 3307 0002 C210 CAP CHIP 12p 5 50V 3301 0015 C212 CAP TRIM 4 5 20p 3502 0026 C215 CAP CHIP 100p 5 50V 3301 0037 33 Connector SK201 CONNECTOR MODULAR SOCKET 4 WAY...

Page 120: ...133 D 3605 0002 TR202 203 204 TRANSISTOR BFS17 3602 0001 RPR 552IS BANDED COMPONENTS 39 Band 1 C203 CAP CHIP 4p7 0 25p 50V 3301 0009 C204 CAP CHIP 100p 5 50V 3301 0037 C209 CAP TRIM 3 10p 3502 0035 C2...

Page 121: ...HIP 470p 10 50V 3301 0085 C314 327 CAP TRIM 3 10p 3502 0025 C317 318 319 CAP CHIP 15p 5 50V 3301 0017 C322 326 CAP CHIP 2p2 0 25p 50V 3301 0005 C336 CAP CHIP 10p 0 25p 50V 3301 0013 44 Connector SK301...

Page 122: ...STOR BFR35AP 3601 0030 TR304 TRANSISTOR BFS17 3602 0032 RPR 553IS BANDED COMPONENTS 50 Band 0 C301 CAP CHIP 4p7 0 25p 50V 3301 0009 C329 CAP CHIP 3p9 0 25p 50V 3301 0008 C337 CAP CHIP 33p 5 50V 3301 0...

Page 123: ...1 7 7 Side 2 sheet 2 of 2 RPR 552IS PCB can be identified by the marking 3061 2736 ISS 1 4 RPR 552IS Radio Board Circuit Diagram 2961 2734 Iss 2 7 9 10 5 RPR 552IS Radio Board Component Layout 0261 27...

Page 124: ...13 10 RPR 550IS Main Board Circuit Diagram Radio 2961 1212 Iss 4 7 21 22 sheet 2 of 5 11 RPR 550IS Main Board Circuit Diagram Decoder 2961 1212 Iss 4 7 23 24 sheet 1 of 5 12 RPR 550IS Main Board Compo...

Page 125: ...TM1188 Issue 1 AL2 Oct 98 Figure 4 RPR 552IS Radio Board Circuit Diagram Page 7 9 10...

Page 126: ...TM1188 Issue 1 AL2 Oct 98 Figure 10 RPR 550IS Main Board Circuit Diagram Radio Page 7 21 22...

Page 127: ...TM1188 Issue 1 AL2 Oct 98 Figure 11 RPR 550IS Main Board Circuit Diagram Radio Page 7 23 24...

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