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E.F. Johnson Company VIKING VX, Руководство пользователя

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CIRCUIT DESCRIPTION

6-5

August 2000

Part No. 001-2001-200

6.1.8  BUFFER

A cascode amplifier formed by Q410/Q411 pro-

vides amplification and isolation between the VCO 
and Synthesizer.  A cascode amplifier is used because 
it provides high gain, high isolation and consumes 
only a small amount of power.  The input signal to this 
amplifier is coupled from the VCO RF output on 
pin 5.  DC blocking and coupling to the VCO is pro-
vided by C455 and to the buffer by C456.  Bias for the 
amplifier is provided by R442, R445, R446 and R277.  
Q411 is a common-emitter amplifier and Q410 is a 
common-base with C458 and C457 providing RF 
bypass.  L405 provides some filtering of the cascode 
output.  R448 lowers the Q of L405.  The output of the 
amplifier is coupled by C442/C441 to U401, pin 11.

6.1.9  SYNTHESIZER

The inputs/outputs of synthesizer U401 are 

shown in Figure 6-4.  The output signal from the syn-
thesizer loop is the receiver first injection frequency.  
This signal is produced by a VCO (voltage-controller 
oscillator).  The frequency of this oscillator is con-
trolled by a DC voltage.  This DC voltage is generated 
by integrating the pulses from the phase detector in 
synthesizer chip U401.

Frequencies are selected by programming 

counters in U401 to divide by a certain number.  This 
programming is provided through J201, pins 12, 18 
and 20.  The frequency stability of the synthesizer is 
established by the 

±

2.5 PPM stability of TCXO Y401.  

The output of this oscillator is stable from 
-30

°

C to +60

°

C (-22

°

F to +140

°

F).

Figure 6-4   SYNTHESIZER BLOCK DIAGRAM

(OPEN-DRAIN OUTPUT)

15

OUTPUT B

DATA OUT

24 BITS

A REGISTER

INPUT AMP

PRESCALER

64/65

in

f

in

f

10

11

LOGIC

MODULUS

CONTROL

N COUNTER

12-STAGE

A COUNTER

6-STAGE

CONTROL

INTERNAL

POR

LOGIC

STANDBY

8 BITS

C REGISTER

ENABLE

17

19

DATA IN

CLOCK

18

LOGIC

CONTROL

AND

REGISTER

SHIFT

16 BITS

R REGISTER

DOUBLE-BUFFERED

13-STAGE R COUNTER

DIVIDER

4-STAGE

OSC OR

out

REF

20

in

REF

1

OR (UP)

OV (DOWN)

16

OUTPUT A

LOGIC

SELECT

PORT

V

f

R

f

V

R

2

LOCK DETECT

AND CONTROL

LD

f

f

V

R

f

f

PHASE/FREQUENCY

DETECTOR B

AND CONTROL

PHASE/FREQUENCY

AND CONTROL

DETECTOR A

V

R

f

f

3

4

8

6

Rx

PDout

TEST 2

TEST 1

13

9

Содержание VIKING VX

Страница 1: ...1 1 October 1995 Part No 001 2008 202 VIKING VX VHF LTR 25W 110W Repeater Part No 242 20X1 213 First Printing August 2000 PRELIMINARY ...

Страница 2: ...1 2 October 1995 Part No 001 2008 202 ...

Страница 3: ... is transmitting To comply with FCC RF exposure limits DO NOT operate the transmitter of a stationary radio base station or marine radio when a person is within four 4 meters of the antenna DO NOT operate the radio in explosive or flammable atmospheres The transmitted radio energy could trigger blasting caps or cause an explosion DO NOT operate the radio without the proper antenna installed DO NOT...

Страница 4: ... determined that the user and service personnel should remain four 4 meters in distance away from the antenna when transmitting By maintaining this distance these individuals are not exposed to radio frequency energy or magnetic fields in excess of the guidelines set forth in Table 1 B NOTE Other antennas or installation configurations that have not been tested may not comply with FCC RF exposure ...

Страница 5: ...OBILE TRANSCEIVERS 1 7 1 13 REPEATER DATA BUS SIGNALING 1 7 GENERAL 1 7 MOBILE DATA MESSAGE ORDER 1 8 ID VALIDATOR OPERATION 1 8 2 INSTALLATION 2 1 INTRODUCTION 2 1 SITE PREPARATION AND ANTENNA INSTALLATION 2 1 2 2 ENVIRONMENT 2 1 2 3 VENTILATION 2 1 2 4 AC POWER 2 2 2 5 BATTERY BACKUP 2 2 2 6 800W POWER SUPPLY 2 2 AC INPUT REQUIREMENTS 2 3 2 7 GROUNDING 2 4 PROTECTION GUIDELINES 2 5 2 8 UNPACKING...

Страница 6: ...DIT 4 3 SETUP PARAMETERS 4 3 SELECT REPEATER 4 4 ALARM CONFIGURATION 4 4 REPEATER TYPE 4 5 DELETE REPEATER 4 5 TELEPHONE PARAMETERS 4 6 4 4 TRANSFER 4 6 WRITE SETUP PARAMETERS 4 6 READ SETUP PARAMETERS 4 6 4 5 HARDWARE 4 7 HSDB MONITOR 4 7 RECEIVE TRANSMIT DATA 4 7 RF DATA 4 7 REVISION VERSION 4 8 MODE SELECT 4 8 4 6 TEST 4 9 POWER AMPLIFIER 4 9 RECEIVER 4 9 EXCITER 4 9 FULL REPEATER 4 10 4 7 UTIL...

Страница 7: ...K DETECT 6 10 CHARGE PUMP LOOP FILTER 6 11 BUFFER AMPLIFIER 6 11 RF AMPLIFIERS 6 11 6 3 110W POWER AMPLIFIER 6 11 AMPLIFIER PREDRIVER 6 11 DRIVER 6 11 FINAL AMPLIFIERS 6 12 POWER DETECTORS 6 12 THERMAL SENSOR 6 12 FORWARD REVERSE POWER DETECT CIRCULATOR LOW PASS FILTER 6 12 6 4 RF INTERFACE BOARD 6 13 POWER CONNECTOR 6 13 SIGNAL CONNECTOR J101 6 13 FAN CONNECTOR J104 6 15 POWER AMPLIFIER CONNECTIO...

Страница 8: ...CTION 6 32 AUDIO DATA MICROPROCESSOR 6 32 RECEIVE AUDIO 6 32 RECEIVE SQUELCH CIRCUITRY 6 33 RECEIVE DATA CIRCUITRY 6 33 RECEIVE AUDIO PROCESSING 6 33 VOTER AUDIO 6 34 COMPANDOR OPTION 6 34 TRANSMIT AUDIO 6 34 TRANSMIT AUDIO PROCESSING 6 34 TRANSMIT DATA AND CWID PROCESSING 6 35 P101 SIGNALING CONNECTOR 6 35 P100 EXTERNAL OUTPUTS 6 36 J100 A D LEVEL TEST POINT 6 37 J101 SPEAKER MICROPHONE 6 37 J102...

Страница 9: ...DJUSTMENT 7 11 TRANSMIT AUDIO DATA LEVEL ADJUSTMENTS 7 13 VOTER AUDIO LEVEL ADJUSTMENT 7 15 AUDIO DATA LEVEL ADJUSTMENTS 7 15 REPEATER OPERATION 7 16 8 SERVICING 8 1 INTRODUCTION 8 1 PERIODIC CHECKS 8 1 SURFACE MOUNTED COMPONENTS 8 1 SCHEMATIC DIAGRAMS AND COMPONENT LAYOUTS 8 1 REPLACEMENT PARTS LIST 8 1 TCXO MODULES NOT SERVICEABLE 8 1 8 2 SYNTHESIZER SERVICING 8 1 INTRODUCTION 8 1 TCXO MODULE 8 ...

Страница 10: ...0 2 BACKPLANE CABLE CONNECTIONS 10 2 10 3 REPEATER CABINET EXPLODED VIEW 10 3 10 4 REPEATER REAR VIEW 10 3 10 5 REPEATER FRONT VIEW 10 3 10 6 INPUT OUTPUT ALARM INTERCONNECT 10 4 10 7 RF INTERCONNECT 10 4 10 8 BACKPLANE INTERCONNECT 10 5 10 9 RF INTERFACE BOARD COMPONENT LAYOUT 10 6 10 10 RF INTERFACE BOARD SCHEMATIC 10 7 10 11 RECEIVER COMPONENT LAYOUT 10 8 10 12 RECEIVER VCO COMPONENT LAYOUT 10 ...

Страница 11: ...R CARDS 1 4 2 1 BATTERY BACKUP CONNECTOR 2 2 2 2 TEMPERATURE SENSOR CABLE 2 2 2 3 POWER CABLE CONNECTOR AND SCHEMATIC 2 3 2 4 RACK MOUNTED REPEATERS 2 5 2 5 5 CHANNEL COMBINING SYSTEM 2 6 2 6 RJ 11 TO BNC MPC JUMPERS 2 7 2 7 RJ 11 TO RJ 11 MPC JUMPERS 2 7 2 8 ANTENNA CONNECTIONS 2 7 2 9 RJ 11 TO BNC ADAPTER MODULE 2 7 2 10 SINGLE REPEATER INSTALLATION 2 8 2 11 TWO REPEATER INSTALLATION 2 8 2 12 TH...

Страница 12: ...BOARD 6 27 6 12 U27 BLOCK DIAGRAM 6 28 6 13 4 I O J1 ALARM OUTPUTS 6 38 6 14 4 I O J2 ALARM OUTPUTS 6 38 6 15 S500 S503 6 39 6 16 ALARM EXAMPLE 6 39 6 17 MAIN PROCESSOR CARD BLOCK DIAGRAM 6 45 6 18 MAIN AUDIO CARD LOGIC BLOCK DIAGRAM 6 46 6 19 MAIN AUDIO CARD AUDIO BLOCK DIAGRAM 6 47 6 20 INTERFACE ALARM CARD BLOCK DIAGRAM 6 48 7 1 RECEIVER ALIGNMENT POINTS 7 2 7 2 EXCITER ALIGNMENT POINTS 7 4 7 3...

Страница 13: ...ST OF TABLES 1 1 REPEATER ACCESSORIES 1 2 1 2 ACTIVE REPEATER ALARMS 1 5 2 1 OUTPUT VOLTAGES 2 3 2 2 OVER VOLTAGE 2 3 5 1 REPEATER SETUP PARAMETERS 5 2 8 1 CERAMIC CHIP CAP IDENTIFICATION 8 6 8 2 CHIP INDUCTOR IDENTIFICATION 8 7 ...

Страница 14: ...TABLE OF CONTENTS CONT 10 ...

Страница 15: ...Number Warranty Plant Date Manufacture Letter Revision 12345 A 3 24 A Repeater ID 1 4 MODEL NUMBER BREAKDOWN The following breakdown shows the part num ber scheme used for the Viking VX Figure 1 2 PART NUMBER BREAKDOWN 1 5 ACCESSORIES The accessories available for the Viking VX LTR repeater are listed in Table 1 1 A brief description of some of these accessories follows 2 Wire Telephone Interconne...

Страница 16: ...ne type telephone If you have a pulse type telephone wait until the message is finished and an operator will come on the line to assist you When you enter a first number of 1 or 2 another number is requested to further categorize the type of information You may also enter the 4 digit extension number of the person that you want to reach FAX Machine Sales 507 835 6485 FAX Machine Cust Serv 507 835 ...

Страница 17: ...th the unit The repair lab will then con tact the Field Service Department when the unit arrives 1 9 REPLACEMENT PARTS E F Johnson replacement parts can be ordered directly from the Service Parts Department To order parts by phone dial the toll free number and then enter 1 as described in Section 1 7 When ordering please supply the part number and quantity of each part ordered E F Johnson dealers ...

Страница 18: ...are pop up windows that appear in the Test mode screens to alert the user that there is an alarm and action should be taken Refer to Figure 1 3 for an example of this type of alarm Figure 1 3 REPEATER CARDS IAC MAC MPC J502 J501 J500 GRN YEL YEL RED RED PROG JACK RESET ON OFF VOL LOCAL MIC SPKR EXT SPKR XMIT MOBILE SWITCH HANG CWID 15V GND TP J103 J100 GND A D LEVEL R236 J102 J101 J104 J1 S1 CR1 C...

Страница 19: ... IAC input 1 Active IAC input 2 Active IAC input 3 Active IAC input 4 Active MAC Processor Alarm HSDB Processor Cable Alarm IRDB Cable Alarm Switch RNT CIM Channel Problem Alarm TIC Processor Alarm MMC Processor Alarm VNC Alarm AC Power Failure Battery Power Failure Power supply thermal sense Fan 1 current out of specification Fan 2 current out of specification IAC mismatch RF shutdown RF Half Pow...

Страница 20: ...DC voltages on and off from the IAC in the front of the repeater Power Indicator CR501 indicates the 5V supply is at normal level and applied to the IAC CR524 indicates 5V supply is at normal level and applied to the IAC CR523 indicates the 15V accessory supply is at nor mal level CR525 indicates that the 15V supply is at normal level and applied to the IAC CWID Indicator Indicates that the CW Ide...

Страница 21: ...mobile is not placing or receiving a call it is always monitoring its Home repeater to deter mine which channel is free and if it is being called by another mobile The Home repeater is always used to make a call unless it is busy When the Home repeater is busy any other repeater in the site may then be used Up to 250 ID codes are assigned to each repeater An ID code and Home repeater number are th...

Страница 22: ...essages to its mobiles that have been trunked to other repeat ers For example assume that fivedifferent mobiles on a five repeater system are making calls If all have Repeater 1 as their home channel not very likely in actual practice the data message order on Repeater 1 is as follows 1 2 3 1 4 5 1 2 3 and so on 1 13 3 ID VALIDATOR OPERATION If the ID Validator is used it is programmed with the st...

Страница 23: ...itivity 12 dB SINAD Audio Response 1 3 dB TIA Audio Distortion Less than 3 at 0 5W 16 ohms Local Audio Power 0 5W 16 ohms Audio Sensitivity 0 75 kHz 12 5 15 kHz 1 5 kHz 25 30 kHz Hum Noise Ratio 50 dB Frequency Spread 2 MHz Frequency Stability 2 5 PPM 30 C to 60 C 22 F to 140 F Modulation Acceptance Bandwidth 3 5 kHz 12 5 15 kHz 7 0 kHz 25 30 kHz TRANSMITTER Per TIA 603 RF Power Out 132 178 MHz 11...

Страница 24: ...INTRODUCTION AND OPERATION 1 10 August 2000 Part No 001 2001 200 ...

Страница 25: ... air borne particles must not exceed 100 µg m3 NOTE If the Repeater is installed in an area that exceeds these environmental conditions the site should be equipped with air filters to remove dust and dirt that could cause the equipment to overheat When the repeaters are installed in an environ ment that contains small airborne particles e g grain dust or salt fog the repeater cabinets need to be s...

Страница 26: ...ty of about 20A per 110W repeater or 100A for 5 110W repeaters The multi coupler requires another 0 5A for a total system requirement at 24V DC of 100 5A for 110W repeaters 2 5 BATTERY BACKUP If the power supply is equipped with battery backup screw lugs are provided on the front of the power supply for battery connections see Figure 2 1 A switch is provided for charging the battery or can be off ...

Страница 27: ...is decreased to keep the input current constant If a battery back up is installed the batteries take over when the AC input voltage falls below 80V AC dependant on power output The AC input connector is an IEC connector equipped with a locking mechanism Table 2 1 OUTPUT VOLTAGES Voltage Current Wattage 26 5V 22A 583W 15V 5A 75W 5 2V 5A 26W 5V 1A 5W Table 2 2 OVER VOLTAGE Voltage Range 26 5V 32V to...

Страница 28: ...of the system with a runner of 6 AWG or larger solid copper wire or 8 AWG stranded copper wire The outer conductor of each transmission line at the point where it enters the building should be grounded using 6 AWG or larger solid copper wire or 8 AWG stranded wire Secondary protection other than grounding pro vides the equipment protection against line transients that result from lightning There a...

Страница 29: ...r wiring e g a ground wire parallel to a telephone line except other ground wires 6 Double check all equipment for good ground and that all connections are clean and secure 2 8 UNPACKING AND INSPECTION E F Johnson ships the Repeater securely crated for transportation When the Repeater arrives ensure the crates remain upright especially if storing the crates temporarily When unpacking the Repeater ...

Страница 30: ...f the HSDB software ver sion that connects to a HSDB that is also servicing LTR 1010 repeaters other VIKING VX repeaters that use VIKING VNC cards or an ID Validator must also use the adapter module The BNC Adapter Module is installed on the back of the VIKING VX repeater cabi net see Figure 2 13 Systems constructed only with LTR VIKING VX repeaters that have Version 202 or later HSDB soft ware an...

Страница 31: ...Figure 2 8 Although each trans mitter and receiver could be connected to a separate antenna this is usually not done because of the large number of antennas required by a multiple repeater installation Therefore an antenna combining system is usually used An example of a combining system for a five channel system is shown in Figure 2 5 The amount of power loss introduced by a combiner depends on t...

Страница 32: ...001 2001 200 Figure 2 10 SINGLE REPEATER INSTALLATION Figure 2 11 TWO REPEATER INSTALLATION MPC SWITCHES ON 2 1 8 7 6 5 4 3 ON 2 1 4 3 S3 S2 MPC SWITCHES MPC SWITCHES ON ON S3 S2 2 1 8 7 6 5 4 3 2 1 4 3 ON ON S3 S2 2 1 8 7 6 5 4 3 2 1 4 3 ...

Страница 33: ...01 200 Figure 2 12 THREE OR MORE REPEATERS INSTALLATION MPC SWITCHES MPC SWITCHES MPC SWITCHES ON ON S3 S2 2 1 8 7 6 5 4 3 2 1 4 3 ON ON S3 S2 2 1 8 7 6 5 4 3 2 1 4 3 ON ON S3 S2 2 1 8 7 6 5 4 3 2 1 4 3 END REPEATER END REPEATER MIDDLE REPEATERS ...

Страница 34: ...D CR1100 REPEATER INSTALLATION MPC SWITCHES MPC SWITCHES MPC SWITCHES ON ON S3 S2 2 1 8 7 6 5 4 3 2 1 4 3 ON ON S3 S2 2 1 8 7 6 5 4 3 2 1 4 3 ON ON S3 S2 2 1 8 7 6 5 4 3 2 1 4 3 50 OHM TERMINATION LOGIC RECEIVER EXCITER 50 OHM TERMINATION ID VALIDATOR LOGIC RECEIVER EXCITER OPTIONAL ...

Страница 35: ...should already know how to start MS DOS format and make backup copies of disks copy and delete files and run programs If you are unfamiliar with any of these actions refer to the MS DOS manual for your computer for more informa tion see Section 5 1 Follow the computer instructions for loading the disk The MS DOS Revision 2 0 or later operating system is needed to run the programs The computer need...

Страница 36: ... and Write Setup Parms from the Transfer menu when a repeater is not connected to the computer this option is used Normally these screens are not available with out a repeater connected To do this from the com mand line type d or d For example 2004pgmr d 3 1 6 COLOR OR MONOCHROME OPERATION The programming software utilizes color for a color monitor and video card However with LCD type displays thi...

Страница 37: ...xample to make it the RADIOPRG directory on drive C if not the current directory type C Return and then CD RADIOPRG as just described To make it the disk in drive B sim ply type B Then insert the program disk in drive A and type A 2004PGM2 or B 2004PRM2 if drive B is being used The program files are automatically extracted into the current directory or disk 3 2 2 MINIMUM FREE MEMORY REQUIRED Appro...

Страница 38: ...creens are available for most parameters and options in this program Whenever a parameter or options clarification is needed press F1 and if a help screen is available it will pop up on the screen Press Escape ESC to exit the pop up screen Figure 3 2 PROGRAMMING FLOWCHART FILE EDIT HARDWARE TEST UTILITIES HELP F1 TRANSFER Revisions Repeater Type Write Setup Parms F6 Read Setup Parms F5 Setup Param...

Страница 39: ...d into the buffer The filename from a disk can be entered in the highlighted area Then move the cursor down with the arrow key and highlight Ok and press Enter To select an existing file use the arrow keys to move down the menu list and press Enter when the high lighted filename is the file to load 4 2 2 SAVE This saves the edited version of an existing file loaded in the buffer under the same fil...

Страница 40: ...ll temporarily suspends the program and returns to DOS Directories and other DOS com mands can be performed To return to the program from DOS type EXIT and press Enter 4 2 7 QUIT ALT X Quit exits the repeater program and returns to DOS Save all files before exiting the repeater pro gram Figure 4 4 EDIT PROGRAMMING FLOWCHART Stand Alone CWID Time CWID Message Local Mic ID Test Mode ID Default Repea...

Страница 41: ...owable frequency spacing To eliminate the chance of incorrect synthesizer settings arising from ambiguous frequencies make sure this setting is correct Telco Network Type None is used for LTR system repeaters Area This is the same as the area bit used when pro gramming the mobiles This bit is usually 0 Sync Repeater None is used for LTR system repeaters Stand Alone Select if the repeater is not co...

Страница 42: ...URATION Input Alarms There are four input alarms that can be activated by external devices see Section 6 12 These inputs can be disabled energized or de energized Alarms 3 and 4 can also be analog input If the input is disabled the input alarm line is inactive When energized and current flow is detected the alarm is activated When de energized and no current flow is detected the alarm is acti vate...

Страница 43: ...e an output alarm This screen configures which input alarm activates an output alarm NOTE More than one alarm condition can have the same output alarm see Figure 4 10 Description Spacebar Output Alarm Configuration Output Type Selection Tx ID Alarm 1 Output Type Active Open Alarm 2 Output Type Active Open Alarm 3 Output Type Active Open Alarm Tx Rate 0 Press F2 to Accept DOOR OPEN FUEL 1 2 FUEL 1 ...

Страница 44: ...f the EEPROM memory of a repeater and loads it into a buffer The contents of the buffer is then displayed to show the programming of the repeater Figure 4 16 READ SETUP PARAMETERS Figure 4 17 READING SETUP Read Setup Parms F5 Write Setup Parms F6 Edit Option Keys Read TIC Calibration Data Write TIC Calibration Data File Edit Transfer Hardware Test Utilities Program Rptr 1 Ok Cancel Programming Set...

Страница 45: ...d the data content of the repeater transmit data stream The message contains data received from the destination and data sent to the mobile by the repeater The repeater receives the destination s Unique ID Home Repeater Number Group ID Priority Sta tus and Time Stamp The information sent to the des tination in the update message from the repeater includes Unique ID of originator Home Repeater Numb...

Страница 46: ...e Section 4 3 1 C A U T I O N While in the test mode the repeater is busy therefore it is important to place the repeater in Normal mode when the test mode is no longer required Figure 4 23 REVISION VERSION Figure 4 24 REVISION VERSION RF Line Monitor Synthesizer Lock Lines Exciter Synthesizer Yes Receive Synthesizer Yes Transmit Parameters Forward Power 0 Watts Reflected Power 0 Watts Final Outpu...

Страница 47: ...l Speaker Mic Desense Check Miscellaneous Tests Repeater Setup Transmitter Tests Receiver Tests Transmit Audio Data Voter Audio Adjust Audio Data Adjust Repeater Operation Adjust Links Receiver Exciter Full Rptr Station RNT Interface Telephone Interface 4 6 TEST Figure 4 26 TEST MENU 4 6 1 POWER AMPLIFIER This menu selection walks through the alignment of the Power Amplifier and RF Interface Board...

Страница 48: ...ter MPC An interface cable con nects the Repeater to the computer see Figure 4 29 This screen also selects the data baud rate Figure 4 28 COM PORT SELECTION Figure 4 29 LAPTOP INTERCONNECT CA BLE 4 7 2 DISPLAY MODE This screen allows the color mode to be selected for color monitors When using a laptop monochrome is recommended for better resolution Figure 4 30 COLOR MODE SELECTION 4 7 3 USER LEVEL...

Страница 49: ... configured 10 Program the Alarms to be configured see Section 4 3 3 press F2 to accept 11 Highlight FILES press Enter 12 Highlight SAVE press Enter 13 Type in a valid DOS filename For this example site1 dat is used 14 The file consists of default and repeater one under the filename of site1 dat 5 2 ADDING A REPEATER TO A FILE The example used for Site 1 will again be used to add repeaters to the ...

Страница 50: ... connected to additional repeaters via HSDB ID Validator Yes No Not used CWID Time 0 disabled 1 60 min Time between CWID transmissions CWID Message 15 characters numbers UPPER CASE Station call letters Local MIC ID 0 disabled default 1 250 253 Group ID transmitted when the local microphone PTT is active Test Mode ID 0 disabled 1 250 254 default Group ID transmitted when the Repeater is in the Test...

Страница 51: ... and C105 C106 C107 and C108 provide RF bypass Additional filtering of the receive signal is provided by 3 pole helical filter L108 L110 C103 C104 match the output from U103A to 3 pole helical filter L108 L110 6 1 4 12 5 KHZ IF First Mixer and Crystal Filter First mixer U101 mixes the receive frequency with the first injection frequency to produce the 52 95 MHz first IF Since high side injection i...

Страница 52: ...ter frequency of Z213 Z214 is 450 kHz with a bandwidth of 9 kHz used to attenuate wideband noise The lim iter amplifies the 450 kHz signal 92 dB which removes any amplitude fluctuations From the limiter the signal is fed to the quadra ture detector An external phase shift network con nected to U203 pin 8 shifts the phase of one of the detector inputs 90 at 450 kHz the other inputs are unshifted in...

Страница 53: ...dwidth of 15 kHz This filter attenuates adjacent channels and other signals close to the receive fre quency The filter is a matched pair and the dot on the case indicates which leads connect together Match ing with Q201 is provided by C205 L203 and C206 IF Amplifier Crystal Filter Q201 amplifies the 52 95 MHz IF signal to recover filter and mixer losses and improve receiver sensitivity Biasing for...

Страница 54: ... ref erence level C226 bypasses the 450 kHz IF signal and C227 bypasses other frequencies The output sig nal is adjusted by R220 and fed to J205 pin 1 Install jumper plug P205 on J205 pins 1 2 to select the 25 kHz audio to be routed to J201 pin 6 RSSI Amplifier U201 pin 13 is an output from an internal RSSI receive signal strength indicator circuit which pro vides a current proportional to the str...

Страница 55: ...ed by a VCO voltage controller oscillator The frequency of this oscillator is con trolled by a DC voltage This DC voltage is generated by integrating the pulses from the phase detector in synthesizer chip U401 Frequencies are selected by programming counters in U401 to divide by a certain number This programming is provided through J201 pins 12 18 and 20 The frequency stability of the synthesizer ...

Страница 56: ...d input fR which is 6 25 kHz The fR input is produced by dividing the 17 5 MHz TCXO frequency by 2800 This division is done by the R counter in U401 The counter always divides by 2800 regardless of the channel frequency This produces a reference frequency fR of 6 25 kHz Since the VCO is on frequency receive fre quency plus 52 95 MHz and no multiplication is used the channel frequencies change in 6...

Страница 57: ...ect of the base charge When a negative going pulse occurs on pin 4 Q406 turns on which turns on Q408 Q408 sources current to charge up the loop filter capacitors C450 C451 thereby increasing the VCO control line volt age When a negative going pulse occurs on pin 3 Q407 turns on which turns on Q409 Q409 sinks cur rent to discharge the loop filter capacitors C450 C451 thereby decreasing the VCO cont...

Страница 58: ...O frequency increases as the control voltage increases The control line is RF isolated from tank circuit by choke L101 The amount of frequency change produced by D101 is controlled by series capacitor C102 The frequency is modulated in a similar manner The transmit audio data signal is applied across varac tor diode D102 to vary the VCO frequency at an audio rate C104 C105 in series with D102 dete...

Страница 59: ... by the 2 5 PPM stability of TCXO Y401 This oscillator is stable from 30 C to 60 C 22 F to 140 F The VCO frequency of A007 is controlled by a DC voltage produced by the phase detector in U403 The phase detector senses the phase and frequency of the two input signals and causes the VCO control volt age to increase or decrease if they are not the same When the frequencies are the same the VCO is the...

Страница 60: ...ters assume a transmit frequency of 150 250 MHz Since the VCO is the channel frequency for transmit this frequency is used To produce this fre quency the N and A counters are programmed as fol lows N 375 A 40 To determine the overall divide number of the prescaler and N counter the number of VCO output pulses required to produce one N counter output pulse can be counted In this example the prescal...

Страница 61: ...acitors C519 C520 thereby decreasing the VCO control line voltage The source current from Q416 when it is on equals the sink current from Q417 when it is on 6 2 9 BUFFER AMPLIFIER A cascode amplifier formed by Q410 Q411 pro vides amplification and also isolation between the VCO and exciter RF stages A cascode amplifier is used because it provides high gain high isolation and consumes only a small ...

Страница 62: ...ugh the RF Interface Board If a final amplifier fails the software will reduce the output power to pre vent over driving the remaining final amplifier 6 3 5 THERMAL SENSOR Thermal protection is provided by temperature sensor U507 The operating range of the sensor is from 30 C to 100 C 22 F to 212 F Amplifier U506A sends the output of U507 through WO509 to the RF Interface Board The RF Interface Bo...

Страница 63: ...be is set Pin 3 HS CS EX Pin 3 is not used at this time Pin 4 GROUND Pin 4 carries ground current between the RF Interface board and Backplane board Pins 5 6 UNUSED Pin 7 RX WBAND The wide band audio is from the receive audio demodulator U202 and goes to the MAC in the Con troller card cage The typical amplitude is 387 mV RMS 6 dBm and 2V DC with Standard TIA Test Modulation into the receiver Litt...

Страница 64: ...nce is less than 10k ohms Pin 23 GROUND Pin 23 carries ground current between the RFIB and Chassis Backplane Pin 24 UNUSED Pin 25 LOGIC CONTROL TO FANS Pin 25 is in parallel with the temperature sensor Pin 26 RF DATA B The Data B U105 pin 10 is the middle signifi cant bit in the three multiplex chips located on the RFIB This pin is a CMOS input from the Controller requiring a logic high for activa...

Страница 65: ...C to the Power Detect Board WO 116 26 5V DC This capacitive feedthrough pin is at 26 5V DC and carries the PA current 25A nominal at 110W from P102 to the Power Amplifier board WO 117 26 5V DC GROUND This capacitive feedthrough pin carries ground current from P105 to the Power Amplifier board It must be capable of carrying up to 25A W118 15V DC This capacitive feedthrough pin connects 15V DC P103 ...

Страница 66: ...ce the power takes several seconds WO 127 TEMP This capacitive feedthrough pin is the tempera ture sense line of the Power Amplifier It will be a lin early variable function of temperature ranging from 0V 5V output and 0 C to 100 C 32 F to 212 F input when driving a 10k ohm load The primary functions of this line are for fan on off and PA power reduction The fan should be turned on at 50 C and off...

Страница 67: ...the dual role of loading the synthesizer chip and adjusting the power control D A lines for proper out put power The data has TTL levels Up to four syn thesizer chips and a shift register could be connected to this pin 6 4 6 RECEIVER CONNECTOR J103 The connector from the Receiver J201 to the RF Interface board J103 links the Receiver to the MPC in the Controller Backplane Pin 1 VCC1 Pin 1 is fused...

Страница 68: ...ween the RFIB and the Receiver board Pin 16 HS CS RX Pin 16 is not used at this time Pin 17 GROUND Pin 17 carries ground current between the RFIB and the Receiver board Pin 18 RF CLK The clock controls the Receiver synthesizers when loading The input source in the Controller is TTL with the speed determined by the synthesizer chip Pin 19 HS LK RX Pin 19 is not used at this time Pin 20 RF DATA Pin ...

Страница 69: ...TOR COMPARATOR MUX RES FORWARD POWER Y2 Y1 Y0 Z E A1 Y6 Y5 Y4 Y3 Y2 Y1 Y0 Y2 Y1 Y0 Z E A1 Z E A2 A1 A0 ADJUST POWER RF POWER CONTROL J1 2 1 HS CS RX RF CLK RF DATA RSSI HS LK RX RX INJ RF DATA RF CLK HS LK EX TX MOD HS CS EX LPTT TEMPERATURE REFLECTED POWER FINAL 4 POWER FINAL 3 POWER FINAL 2 POWER FINAL 1 POWER FORWARD POWER HS CS RX RF CLK RF DATA RSSI RF MUX2 INH RF MUX1 INH RF DATA C RF DATA A...

Страница 70: ... CR104 charges up C106 C107 to 18Voff the line This pro vides the bias voltage required to start the controller IC U102 Once the IC turns on current is being switched on L107 A small tap winding on L107 pro vides sustaining current to the U102 When AC is first connected it could take several seconds for C106 C107 to charge to 14V before the unit starts U102 samples the input voltage through R105 R...

Страница 71: ...2 Q127 Q128 CT VREF RAMP ISD OUT Q122 Q123 Q124 Q125 T108 L102 U116 Q126 U119 15V DC OUT RAMP ISD OUT 5V DC OUT U117 Q133 U120 L104 T109 Q129 Q130 Q131 Q132 U113 CT EA OUT INV U114 VCC OUT U118 Q138 U122 5V DC OUT IAC Q107 CURRENT MODE BOOST CONVERTER CURRENT SENSE VOLTAGE SENSE Q104 U107 LEVEL SHIFTING GATE DRIVE 2 TRANSISTOR FWD CONVERTER THERMAL ISOLATION HI LO VOLTAGE U111 15V 26 5V BUCK CONVE...

Страница 72: ...A pin 3 goes high C138 R176 CR122 along with U104B creates a very narrow pulse on U104B pin 6 Q110 Q111 and Q112 level shift and buffer this pulse When the narrow pulse is presented to the timing capacitor of the 15V and 5V converters the cycle terminates and a new one starts This forces the 15V and 5V converters to run at the same frequency and is slightly delayed from the 26 5V converter 6 5 5 F...

Страница 73: ...voltage is sampled by R215 R216 and R217 and sent to the inverting side of the error amplifier internal to the controller IC on U112 pin 1 Voltage loop compensation is set by C174 C175 and R221 Sync pulse is added into the low side of C176 via C172 and R225 The free running frequency of the 15V converter approximately 145 kHz is set about 10 lower than the 26 5V converter This longer duty cycle al...

Страница 74: ...ately 0 25V P P 6 6 2 CHARGER The charger charges the batteries when the repeater is on and switch S101 is on A tap off of the main transformer of the power supply through wire W104 and a 26 5V line via wire W102 are what supply the charger with the necessary voltage to charge the batteries The tap off of the transformer is biased by the 26 5V and then filtered through L101 C105 and C119 Since the...

Страница 75: ...eater to operate To perform this function a voltage compar ator U101 is used to monitor the charge tap coming from the power supply A 2 5V reference voltage is supplied to the com parator from U102 The transformer tap voltage is smoothed and divided by CR114 C118 R116 R121 and R122 The values for these components were cal culated so that when the AC line voltage is dropped to 70V AC the output of ...

Страница 76: ... go high when the heatsink tempera ture reaches 45 C and will go low when the tempera ture goes below 35 C This output is sent to the power supply through Q106 to turn the fan on and off 6 7 CARD RACK The card rack provides slots for up to eight logic cards including Main Processor Card MPC Main Audio Card MAC and the Interface Alarm Card IAC The IAC has a notch in the card to accommo date a pin i...

Страница 77: ... 4 3 2 1 DATA BUS HIGH SPEED A5 J2 BOARD CONNECTOR EXTERNAL A10 TO CARD RACK P10 ALARMS A7 TO CARD RACK J1 A6 REPEATER I O J1 TO CARD RACK P11 R X A R I N G T X A R X A T X A T I P T I P 1 R I N G 1 E B E A M A M B R X S R X S T X S T X S E X T M O D V O T A U D V D A T I N 2 I N 1 I N A C F A I L G R O U N D G R O U N D 1 5 V A C C 1 5 V A C C R S S I 1 O U T 2 O U T 2 O U T 1 O U T 2 I N 1 I N 4...

Страница 78: ...via a High Speed Data Bus HSDB that interconnects all the MPCs This control technique is called distribu tive processing and it eliminates the need for a sepa rate system controller at each site The HSDB proces sor U13 on the MPC provides these control functions The MPC also contains Figure 6 12 U27 BLOCK DIAGRAM PROGRAMMABLE DMA CONTROLLER SERIAL COMMUNICATION INTERFACE GENERATOR BAUD RATE PROGRA...

Страница 79: ...d to control on chip peripherals Internal RAM and the SFR area are together and can be relocated anywhere in the 1M byte address space This maintains compatibility with existing system memory maps The two microprocessors and USART U22 are reset by integrated circuit U17 Reset occurs when power is turned on when the 5V supply drops below a threshold level or the reset switch S1 is active When a mic...

Страница 80: ...mory U13 also determines the current free repeater and includes that information in the data sent to the Main Processor 6 9 4 CHIP SELECT DECODERS U15 U4 Chip select decoders select the peripheral chip to read from or write to 6 9 5 P1 SIGNAL CONNECTOR This is the signal interface connector P1 64 pin that connects the Address and Data buses and control lines to the backplane connector Pins 1 10 AD...

Страница 81: ...er or modem Pin 1 Ground Pin 2 Computer Tx Pin 3 Computer Rx Pin 4 Modem DCD 6 9 7 J2 MEMORY SELECT J2 is jumpered to select either the Flash memory or the EPROM memory Flash memory is ultra fast data storage The normal setting is pin 1 to pin 2 Pin 1 12V Pin 2 U25 pin 1 Vpp Pin 3 5V 6 9 8 J3 BAUD RATE J3 is jumpered to select the baud rate from the computer to the MPC these two baud rates must be...

Страница 82: ...O DATA MICROPROCESSOR This Audio Data microprocessor is on the MAC card and is used to decode LTR data received from the mobiles The LTR data is applied to U111 pin 8 P1 7 input When a word is successfully decoded the data is then sent to U161 Tx FIFO and transmitted on the data bus in parallel to the main processor on the MPC When it is time to transmit the CW Identification the main processor on...

Страница 83: ...g when the receive signal strength is near the threshold level The output of U123C is applied to U123D and Logic Squelch to Audio Data Gate U159B and audio data processor U111 Gate U159B routes the squelch output to the Audio Data Test Point J100 U123D functions as a timing buffer The output of U123D is applied to Receive Squelch Active Gate U113D When this gate is closed the squelch circuit contr...

Страница 84: ...U117C is to mute the local microphone audio when the local microphone PTT switch is pressed This prevents interference if the microphone remains live when the PTT switch is pressed Buffer U164B combines the microphone audio signal from U164A with the audio signal from the Repeat Gate U153C U127B C form a high pass filter that attenuates frequencies below 300 Hz to prevent interference with the LTR...

Страница 85: ...he transmit audio signal The output of U129B is fed to Transmit Modulation Mute Gate U118D This gate is controlled by A D processor U111 latch U106 When enabled transmit audio and data are passed to the Exciter modulation input and the transmit TCXO When needed the External Modulation input on P100 pin 11 is fed to External Modulation Mute Gate U118C Gate U118C is controlled by A D processor U111 ...

Страница 86: ...IN This is the 15V input to the MPC from the power supply via the Controller backplane Pins 31 32 GROUND Pins 63 64 This is the ground connection to the MPC from the power supply via the Controller backplane Pin 47 READ Read is used with the MREQ line to read data from the processor and external memory Pin 48 WRITE Write is used with the MREQ line to write data to the processor and external memory...

Страница 87: ...to the repeat gate 6 10 14 J100 A D LEVEL TEST POINT This test point located on the front card edge is used during alignment to monitor audio and data 6 10 15 J101 SPEAKER MICROPHONE This jack is used in conjunction with J102 when a combination speaker microphone is used during setup and testing of the repeater 6 10 16 J102 LOCAL MICROPHONE This jack is used for a microphone to key the Exciter and...

Страница 88: ...relays as defined by the user during programming When an external alarm is set it can be monitored from a remote location Refer to Section 4 3 3 for alarm programming 6 11 1 RELAY OUTPUTS The alarm relay outputs are provided via a termi nal block on the back of the repeater see Figures 6 13 and 6 14 The alarm outputs are on the terminal block at the rear of the repeater 6 11 2 ISOLATED INPUTS The ...

Страница 89: ...arm 3 of Repeater 5 is connected to the fire alarm system the AC fail alarm 16 see Table 1 2 is mapped to alarm 2 output so it can be transmitted see Figure 4 10 and the out put alarm 1 of Repeater 1 is connected to the input alarm 1 of Repeater 2 and so on until the output alarm 1 is fed back to the input alarm 1 of Repeater 1 Then the RF Shutdown alarm 32 is mapped for alarm 1 in each repeater T...

Страница 90: ...vice as a specific alert condition Pin 9 SQUELCH ENABLE This is an output to rear connector J1 It can be configured for inverted output non inverted output or logic controlled non inverted output Pin 10 EXTERNAL REQ 2 This is an input received from a connection to an external device Pins 11 14 DATA BUS Pins 43 46 This data bus provides a means of transferring data to and from the latches and multi...

Страница 91: ...tch S508 6 11 6 P501 EXTERNAL OUTPUTS Connector P501 contains data and control outputs to the terminal block on the back of the Repeater cabi net These outputs are connected to other external devices The input and output connectors for the connector are defined as follows Pins 1 17 ALARM 3 OUT ALARM 3 OUT Pins 2 18 ALARM 4 OUT ALARM 4 OUT These are outputs to external devices to perform a specific...

Страница 92: ...nter face Board The typical amplitude is 387 mV RMS 6 dBm and 5V DC with Standard TIA Test Modula tion into the receiver This is an output to the rear con nector J1 Pin 23 AC FAIL OUT This is an indication that the AC power has been interrupted Pin 24 UNUSED Pin 25 HS CS RX This is the receiver high stability synthesizer chip select A low enables loading the high stability syn thesizer loop This p...

Страница 93: ...are multiplexed to the Controller through this pin using three multiplex chips 6 11 8 J501 GROUND J501 is an IAC ground reference for test points 6 11 9 J502 15V J502 is a voltage test point 6 11 10 POWER SWITCH S508 turns the power supply DC voltage on and off from the front of the IAC 6 11 11 J505 SQUELCH ENABLE OUTPUT P505 jumpers J505 pins 1 2 to configure the squelch enable output for an inve...

Страница 94: ...CIRCUIT DESCRIPTION 6 44 August 2000 Part No 001 2001 200 ...

Страница 95: ...RST P1 1 P3 7 P3 6 HIGH SPEED DATA BUS MICROPROCESSOR ALE PSEN A8 A15 P1 2 P1 0 A13 A14 A15 U3 A B C Y0 Y1 Y2 ADDRESS DATA BUS 8 15 U1 CS1 A0 A7 D0 D7 A8 A12 WE OE U14 OE D0 D7 A8 A13 ADDRESS BUS 7 0 A0 A7 EEPROM RAM ADDRESS SELECT A0 A7 D0 D7 U8 CEN LOWER ADDRESS LATCH U7B U2A U2B U6D U9 DOR SO DE ADDRESS BUS 7 0 A0 A7 D0 D7 MR DIR S1 TX FIFO PROCESSOR TO PROCESSOR COMMUNICATION FIFOs U20D U6C RE...

Страница 96: ...0 D0 D7 A8 A14 OE U112 A0 A7 S1 DIR MR A0 A7 D0 D7 S0 DE DOR U160 RX FIFO U154A U101F D1 D8 U108 GATE LATCHES CLK U107 U106 U156 U155 U157 CLK D1 D8 CLK D1 D8 CLK D1 D8 CLK D1 D8 CLK D1 D8 U115A VOTER AUDIO MUTE U114D LOCAL AUDIO MUTE U113C RX MUTE U114A RX OPTION U115B RX VOICE U116B RX AUDIO U115C RX VOICE TO BACKPLANE U116A FSK TO AUDIO U153C REPEAT U153D TxS TO FSK U116D TxA TO FSK U159C DATA ...

Страница 97: ...E U158D U106 U158B Tx OPTION GATE U159A U106 U159D LEVEL DETECT GATE Tx MOD A D GATE U157 U117A Tx INTERCOM GATE U157 U117C LOCAL MIC MUTE GATE U164A LOCAL MIC PTT J102 Q101 Q102 U105 LOCAL MIC PTT U106 U164B Tx AUDIO BUFFER U127B C HIGH PASS FILTER 300 Hz U127D LIMITER U127A LPF U128B C BUFFERS SPLATTER FILTER U128D A LPF U118B NORMAL MOD MUTE GATE U106 U129C U106 U D U106 INC U149 Tx AUDIO AMPLI...

Страница 98: ...5 Q6 Q7 Q8 U521 OC CLK Q1 Q8 D1 D2 D6 D3 D4 U504 D0 D7 RF DATA A RF DATA B RF DATA C RF DATA RF CLK AC FAIL OUT WO 2 EXT REQ 1 Q1 Q2 Q3 Q4 Q5 Q6 Q7 CLK Q8 U508E U508 U507D J500 U507A U519 RSSI O IFA IN U509A U509B U507B U509C U507C ANALOG LEVEL DETECTOR U503 D1 D8 CLK Q2 Q1 Q501 Q500 K501 K500 ALARM 2 OUT ALARM 1 OUT Q5 Q6 Q3 Q4 Q7 K502 K503 Q502 Q503 ALARM 3 OUT ALARM 4 OUT U514B U514A BUF RX WBA...

Страница 99: ...78 MHz 1 Using the PC and software program the Synthe sizer for the Receive frequency 2 Tune the VCO capacitor L102 for 7V DC 0 05V at TP401 Increase the receive frequency by 1 MHz The voltage on TP401 shall be less than 15V Decrease the receive frequency by 1 MHz The voltage on TP401 shall be greater than 2 5V 3 Alternately tune CV151 and CV152 in 1 2 turn to 1 turn increments until a voltage is ...

Страница 100: ... J205 are selected 1 Set the signal generator to the receive frequency at a level sufficient to produce an output voltage at TP201 or J201 pin 7 RSSI Output 2 Tune CV101 CV102 CV103 CV104 CV105 and CV106 then repeat for a peak voltage at TP201 Decrease the generator output level to maintain a 2 3V reading at TP201 FOR 12 5 kHz CHANNELS NOTE Perform this test if CV211 and CV212 are placed on the bo...

Страница 101: ...frequency 7 Set the generator to 100 µV into the receiver with a 1 kHz tone at 3 kHz deviation 1000 µV at the generator with 20 dB pad gives 100 µV at the receive antenna 8 Tune Z205 for 2V 0 05V at U201 pin 9 9 Tune RV203 for 387 mV RMS 5 mV RMS at TP202 10 Adjust RV202 for 2V 0 05V at TP202 11 Connect a distortion analyzer to TP202 12 Tune L201 L203 L204 and L206 for minimum distortion 5 typical...

Страница 102: ...ockwise 2 Connect the power meter to J402 7 2 2 VOLTAGE MEASUREMENTS Apply power to the Exciter by plugging the 20 pin cable from the RF Interface Board into J401 Measure the voltages at the following pins U406 pin 1 12V DC 0 4V U405 pin 1 5V DC 0 3V U402 pin 1 3 5V DC 0 1V U404 pin 7 3 5V DC 0 1V Figure 7 2 EXCITER ALIGNMENT POINTS 7 2 3 PROGRAM TUNE UP CHANNEL For Exciters operating between 138 ...

Страница 103: ...xciter 3 The voltage on U403 pin 6 should be 7V Power output should be 18 dBm 4 Press the space bar to unkey the Exciter 5 The software programs the synthesizer for 3 MHz below the Tune Up frequency 6 Press the space bar to key the Exciter 7 The voltage on TP1 U403 pin 6 should be 2 5V Power output should be 18 dBm 8 Press the space bar to unkey the Exciter 9 The software programs the synthesizer ...

Страница 104: ...er is chosen and the coaxial cable from the exciter is putting out 19 dBm OR A test signal is being injected to the PA with 19 dBm Connect an antenna or dummy load to the RF port 50 ohm impedance Use the carrier frequency needed 1 Set RV501 on the PA fully counterclockwise Set RV502 on the PA fully clockwise see Figure 7 3 2 Set Forward Power Adjust RV601 and Reflected Power Adjust RV602 on the po...

Страница 105: ...U501 RF OUT Vcc 2 Vcc 1 RF IN C519 C519 C584 C580 U506 1 4 5 8 U505 1 4 5 8 U508 1 4 5 8 U507 1 4 5 8 WO520 WO504 WO509 WO501 WO502 WO503 WO512 WO505 WO511 U502 Q503 C E E E E B RV502 WO524A U504 1 4 5 8 R526 C557 RV601 RV602 A8 R668 C602 C601 LPF RV501 RV502 J101 J104 U108 R170 R171 U104 R150 R106 R76 J103 J102 WO122 WO123 WO124 WO125 WO115 WO126 WO121 WO127 WO120 WO147 WO143 WO144 WO145 R45 FWD ...

Страница 106: ...V212 Q201 J203 CV201 Z202B Z202A Z211A Z211B Z201B Z201A FL102 FL201 Q134 Q133 Q101 Q102 Q204 Y201 U304 U301 Q403 Q405 U303 U401 Q409 Q406 Q407 Q408 Q410 Q411 FL101 A201 Q402 Q401 Q404 Q132 Q131 TP401 TP102 CV152 CV151 L141 L140 CV106 CV105 L110 L109 CV104 L108 CV103 CV102 L104 L103 CV101 L102 RFIB COMMUNICATIONS SERVICE MONITOR 20 dB HP 334A OSCILLOSCOPE AC VOLTMETER VOLTMETER DC FREQUENCY COUNTE...

Страница 107: ... CNTRL Q411 Q410 Q407 Q406 A007 U406 Y401 RV401 U404 Q413 Q412 U407 1 U402 RV101 U405 1 2 20 19 J401 J402 Q417 Q415 Q414 Q416 Q404 Q403 U403 3 TP1 6 RFIB OSCILLOSCOPE DC VOLTMETER VOLTMETER AC HP 8901A MODULATION ANALYZER 10 dB 10 dB POWER CABLES 36 PIN RIBBON CABLE DUMMY LOAD 50 OHM POWER METER HP 436A J1 ...

Страница 108: ...19 C519 C584 C580 U506 1 4 5 8 U505 1 4 5 8 U508 1 4 5 8 U507 1 4 5 8 WO520 WO504 WO509 WO501 WO502 WO503 WO512 WO505 WO511 U502 Q503 C E E E E B RV502 WO524A U504 1 4 5 8 R526 C557 ATTENUATOR THRULINE 40 dB HP 436A POWER METER 50 OHM DUMMY LOAD R236 J104 J101 J102 J100 J103 J502 J501 J500 S1 J1 CR3 CR4 CR5 CR2 CR1 DS1 GRN YEL YEL RED RED PROG JACK RESET GND A D LEVEL ON OFF VOL LOCAL MIC SPKR EXT...

Страница 109: ...inutes of turn ing the AC power on to the repeater Do not under any circumstances try to set frequency later on in any of the tests as TCXO frequency stability cannot then be guaranteed 4 Press the space bar to key the repeater 5 Check the frequency of the transmitted signal The frequency should be 50 Hz of the channel fre quency 6 Adjust the frequency with Y401 TCXO on the Exciter see Section 7 2...

Страница 110: ...3 Adjust R236 for 2 8V RMS 4 Re adjust RF level for 12 dB SINAD 12 dB SINAD reading should be 0 35 µV Receiver Squelch Adjustment 1 Adjust the RF generator for 100 µV into the receiver with a 1 kHz tone at 3 kHz 25 kHz chan nels 1 5 kHz deviation 12 5 kHz channels 2 On the MAC connect a 16 ohm load and distortion analyzer to J101 or J104 3 Adjust R236 for 2 8V RMS 4 Set the RF generator output for...

Страница 111: ...00 J103 and connect to an AC voltmeter 3 Press the space bar to key the transmitter 4 Adjust R305 for 0 dBm 775 mV RMS 5 Press the space bar to unkey the transmitter 6 On the MAC apply a 1 kHz tone at 7 dBm 1 73V RMS to P100 pin 32 Set modulation analyzer LPF to 3 kHz 7 Press the space bar to key the transmitter 8 Adjust U149 with the PgUp PgDn and CurUp CurDn keys to set the maximum allowed devia...

Страница 112: ...the space bar to unkey the transmitter Local Speaker Microphone Check 1 On the MAC plug a Speaker Microphone into J101 J102 Set modulation analyzer LPF switch to 3 kHz 2 Press the space bar to key the transmitter 3 Press the microphone PTT and say four loudly into the microphone 4 Deviation should measure 3 to 3 5 kHz 25 kHz channels 0 75 kHz to 1 6 kHz 12 5 kHz channels 5 Release the microphone P...

Страница 113: ...eted before any of the following adjustments can be made NOTE All audio generators and audio voltmeters are unbalanced unless specifically stated otherwise Voice Audio From Repeater 1 On the MAC set S100 and S101 all Sections OFF 2 Adjust the RF generator for 100 µV modulated with a 1 kHz tone at 1 5 kHz deviation 3 Connect a balanced AC voltmeter with a 600 ohm input impedance between balanced li...

Страница 114: ...andshake Test 1 Program an LTR portable or mobile for the follow ing parameters Home Repeater Same as repeater number Area Same as repeater s area bit Home Repeater s Channel Number Sameas repeater s channel number Group 1 Encode Decode 1 2 The repeater is now in Normal Operation mode 3 Key the radio several times on the programmed System Group Access should occur every time Proper Tx Rx antenna c...

Страница 115: ...VEL TX MOD LEVEL TX DATA 15 TX AUDIO 16 TX AUDIO MAIN AUDIO FROM RNT FROM RNT SEC AUDIO FSK TO RNT SEC AUDIO TO RNT P101 J101 J102 GND A D LEVEL TEST POINT ON OFF VOL SPEAKER MIC SPEAKER LOCAL MIC LOCAL SPKR S100 ON 1 2 3 4 5 6 7 8 3 TXS 4 TXS 1 2 3 4 ON S101 U149 U151 R301 R240 RX NET R241 R242 R243 R305 R233 R238 R239 R237 R235 LEVEL R244 TX VOICE LEVEL R234 NOISE S102 R100 J105 WATCH DOG RNT RS...

Страница 116: ... CR4 J1 1 7A 2 6 8B S1 J2 1 2 3 1 2 14 13 J3 GRN YEL YEL RED RED COMPUTER I O PROGRAMMING CONNECTOR RESET ON ON S3 1 2 3 J5 1 2 3 J6 CR5 CR3 76800 38400 19200 9600 4800 2400 1200 11 059 12 HSDB MULTI NET EPROM MEMORY LOADING WATCHDOG BALANCED RX TX MPC OPERATIONAL BLINKING ON HIGH POWER OFF LOW POWER ON LTR OFF MULTI NET USED WITH DS1 FOR ALARMS USED WITH CR3 4 FOR ALARMS 5V 12V MEMORY SELECT ...

Страница 117: ...CR504 CR505 CR502 CR503 CR501 S503 S501 1 4 5 8 1 8 P500 P501 1 17 32 16 32 64 1 33 4 5 8 1 S502 4 5 J500 S500 1 4 5 8 J503 J504 1 4 J505 ALARM 3 ALARM 4 ALARM 2 ALARM 1 5V 15V GND 2 3 5V 15V GND 2 3 5V 15V GND 2 3 5V 15V GND 2 3 ALARM 3 OUTPUT 1 2 3 1 3 2 1 2 ALARM 2 3 AD LEVEL ALARM 4 OUTPUT 1 2 ALARM 2 3 AD LEVEL AD LEVEL TP GROUND 15V TP 3 2 NON INVERTING U503 CONTROL NON INVERTING INVERTED SQ...

Страница 118: ...ALIGNMENT AND TEST PROCEDURES 7 20 August 2000 Part No 001 2001 200 ...

Страница 119: ...its 2 5 PPM tolerance 8 2 SYNTHESIZER SERVICING 8 2 1 INTRODUCTION Synthesizer malfunctions can be caused by no VCO output or the VCO is unlocked The VCO can be unlocked due to a bad synthesizer chip an incom plete synthesizer phase lock loop or because the syn thesizer chip is programmed incorrectly To make certain that the synthesizer chip is receiving programming data pins 17 18 and 19 of the c...

Страница 120: ... check prescaler input pin 11 F In The operation of the N and A counters can be observed by monitoring pins 16 and 19 Pin 16 fV equals fin 64N A 6 25 kHz if the synthesizer is locked Pin 9 is the modulus control signal Figure 8 1 LOCK DETECT WAVEFORM Modulus Control Signal 1 The frequency of the modulus control signal on TEST 1 pin 9 should be equal to the N counter out put frequency either in or ...

Страница 121: ...v No 150 250 00625 375 x 64 24 040 24 000 40 8 3 RECEIVER SERVICING To isolate a receiver problem to a defective sec tion start by checking the DC voltages shown in Sec tion 6 1 2 and on the schematic diagram Section 10 If that does not indicate the problem perform the per formance tests in Section 7 1 to isolate the problem If the synthesizer is out of lock the receiver is also non functional bec...

Страница 122: ...e 8 3 POWER SUPPLY REAR VIEW Figure 8 4 POWER SUPPLY FRONT VIEW A B C 1 2 3 4 5 6 7 8 9 10 11 12 28V GND 15V AC FAIL THERMAL SENSE ON OFF GND GND 5V 5V 15V B B TEMP ACTIVE CHARGER ON CHARGER FAULT BATTERY BATTERY REVERSE GROUND EARTH NEUTRAL LINE SWITCH ...

Страница 123: ... are shown in Table 8 1 American EIA Standard Uses a single letter or number to indicate the value and the color of this letter or number to indicate the multiplier Japanese EIA Standard Uses a letter to indicate the value followed by a number to indicate the multiplier Example 15 pF capacitor American Single Black E Japanese E1 The Japanese EIA Standard may also utilize a bar to indicate the temp...

Страница 124: ...Figure 8 5 3 DIGIT RESISTOR 9 0 1 8 0 01 3 1k 4 10k 5 100k 6 1M 7 10M 2 100 1 10 0 0 Multiplier Value in ohms X X X Table 8 1 CERAMIC CHIP CAP IDENTIFICATION American EIA Standard Japanese EIA Standard First Letter Number Value pF First Letter Number Value pF A B C D E H I J K L N O R S T V W X Y Z 3 4 7 9 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 A B C D E F G H J K ...

Страница 125: ...Grafoil for the thermal interface the Grafoil must be replaced The old Grafoil must be completely removed from the heatsink To avoid scuffing the heatsink a plastic scraper e g tuning tool should be used to remove the old Grafoil Table 8 2 CHIP INDUCTOR IDENTIFICATION Color 1st Digit 2nd Digit Multiplier Last PN Digit Black 0 0 1 7 Brown 1 1 10 8 Red 2 2 100 9 Orange 3 3 1000 0 Yellow 4 4 10 000 1...

Страница 126: ...SERVICING 8 8 August 2000 Part No 001 2001 200 ...

Страница 127: ... 1000 pF 20 1kV feedthru 510 3149 102 C 008 1000 pF 20 1kV feedthru 510 3149 102 C 009 1000 pF 20 1kV feedthru 510 3149 102 SYMBOL PART NUMBER DESCRIPTION NUMBER C 010 1000 pF 20 1kV feedthru 510 3149 102 C 011 1000 pF 20 1kV feedthru 510 3149 102 C 012 1000 pF 20 1kV feedthru 510 3149 102 C 013 1000 pF 20 1kV feedthru 510 3149 102 EP500 Jumper RF power detector 016 2228 015 HW003 5 8 24 x 0 094 h...

Страница 128: ...meplate E F Johnson 559 5861 163 TRANSCEIVER MECHANICAL PART NO 023 2000 205 CH252 Transceiver housing 015 0902 010 EP252 0 093 OD RF shield gasket 574 3002 036 SYMBOL PART NUMBER DESCRIPTION NUMBER HW2726 32 pan torx ZPS 575 0006 010 HW2736 32 machine panhead philips 575 1606 016 MP253 Transceiver deck cover 015 0902 015 CONTROLLER BACKPLANE CARD PART NO 023 2000 210 F 001 4 Amp 250V submin fuse ...

Страница 129: ... 50V axial low temp 510 4350 102 SYMBOL PART NUMBER DESCRIPTION NUMBER C 119 1 µF 10 X7R 1206 chip 510 3606 104 C 120 1 µF 10 X7R 1206 chip 510 3606 104 C 125 01 µF 10 X7R 1206 chip 510 3606 103 C 126 018 µF 10 X7R 0805 chip 510 3605 183 C 130 1 µF 10 X7R 1206 chip 510 3606 104 C 132 001 µF 5 NPO 1206 chip 510 3602 102 C 135 001 µF 5 NPO 1206 chip 510 3602 102 C 138 001 µF 5 NPO 1206 chip 510 3602...

Страница 130: ...01 R 084 1k ohm 1 1206 SMD 569 0111 301 R 085 470 ohm 5 1206 SMD 569 0115 471 SYMBOL PART NUMBER DESCRIPTION NUMBER R 086 270k ohm 5 1206 SMD 569 0115 274 R 087 1k ohm 1 1206 SMD 569 0111 301 R 088 1k ohm 1 1206 SMD 569 0111 301 R 089 470 ohm 5 1206 SMD 569 0115 471 R 090 270k ohm 5 1206 SMD 569 0115 274 R 091 1k ohm 1 1206 SMD 569 0111 301 R 092 1k ohm 1 1206 SMD 569 0111 301 R 093 470 ohm 5 1206...

Страница 131: ...79 10k ohm 5 1206 SMD 569 0115 103 R 180 10k ohm 5 1206 SMD 569 0115 103 R 181 22 ohm 5 1206 SMD 569 0115 220 R 182 22 ohm 5 1206 SMD 569 0115 220 R 183 22 ohm 5 1206 SMD 569 0115 220 R 184 22 ohm 5 1206 SMD 569 0115 220 SYMBOL PART NUMBER DESCRIPTION NUMBER R 185 22k ohm 5 1206 SMD 569 0115 223 R 186 10k ohm 5 1206 SMD 569 0115 103 R 187 15k ohm 5 1206 SMD 569 0115 153 R 188 22 ohm 5 1206 SMD 569...

Страница 132: ...MBER R 109 560 ohm 1 8W chip ERJ 6GMYJ561 R 110 100 ohm 1 8W chip ERJ 6GMYJ101 R 112 3 3k ohm 1 8W chip ERJ 6GMYJ332 12 5 25 kHz RECEIVER PART NO 585 2061 270 132 150 MHz PART NO 585 2081 270 150 178 MHz A 201 Cable assembly A 401 VCO Unit C 101 10 pF 50V ceramic chip GRM40CH100C50 C 102 220 pF 50V ceramic chip GRM40CH221K50 C 103 220 pF 50V ceramic chip GRM40CH221K50 C 104 10 pF 50V ceramic chip ...

Страница 133: ...248 5 pF 50V ceramic chip GRM40CH050C50 C 250 6 pF 50V ceramic chip GRM40CH060C50 C 251 39 pF 50V ceramic chip GRM40CH390J50 SYMBOL PART NUMBER DESCRIPTION NUMBER C 252 4 pF 50V ceramic chip GRM40CH040C50 C 253 01 µF 50V ceramic chip GRM40B103K50 C 254 1000 pF 50V ceramic chip GRM40B102K50 C 255 1 µF 50V ceramic chip GRM40F104Z50 C 256 1 µF 50V ceramic chip GRM40F104Z50 C 257 1 µF 50V ceramic chip...

Страница 134: ...50 C 460 470 pF 50V ceramic chip GRM40CH471K50 C 461 470 pF 50V ceramic chip GRM40CH471K50 C 462 470 pF 50V ceramic chip GRM40CH471K50 C 463 470 pF 50V ceramic chip GRM40CH471K50 C 464 4 7 µF 20V tantalum chip SVC1D475M CR131 5 1V zener RD5 1ML B2 CR132 5 1V zener RD5 1ML B2 CR133 Diode chip HSM107S CR401 5 1V zener RD5 1ML B2 CR402 Si diode chip HSM123 CV101 Variable capacitor ECV 1ZW04X53T SYMBO...

Страница 135: ...1 8W chip ERJ 6GMYJ331 R 149 18 ohm 1 8W chip ERJ 6GMYJ180 R 150 270 ohm 1 8W chip ERJ 6GMYJ271 R 151 1 5k ohm 1 8W chip ERJ 6GMYJ152 R 152 270 ohm 1 8W chip ERJ 6GMYJ271 R 153 68 ohm 1 8W chip ERJ 6GMYJ680 R 154 68 ohm 1 8W chip ERJ 6GMYJ680 R 157 1k ohm 1 8W chip ERJ 6GMYJ102 R 158 47k ohm 1 8W chip ERJ 6GMYJ473 R 159 100k ohm 1 8W chip ERJ 6GMYJ104 R 160 10k ohm 1 8W chip ERJ 6GMYJ103 R 161 100...

Страница 136: ...50 ohm 1 8W chip ERJ 6GMYJ151 R 448 33 ohm 1 8W chip ERJ 6GMYJ330 R 449 1k ohm 1 8W chip ERJ 6GMYJ102 RV201 4 7k ohm variable chip MVR32HXBRN472 RV203 4 7k ohm variable chip MVR32HXBRN472 RV211 4 7k ohm variable chip MVR32HXBRN472 RV213 4 7k ohm variable chip MVR32HXBRN472 SYMBOL PART NUMBER DESCRIPTION NUMBER U 101 Mixer LRMS 1H U 102 IC Op Amp NJM 2904M U 103 MMIC ERA 5SM U 201 IC MC3371D U 202 ...

Страница 137: ...p GRM40CH470K50 C 433 10 pF 50V ceramic chip GRM40CH100J50 C 434 470 pF 50V ceramic chip GRM40CH471K50 C 443 470 pF 50V ceramic chip GRM40CH471K50 C 444 470 pF 50V ceramic chip GRM40CH471K50 C 446 100 pF 50V ceramic chip GRM40CH101K50 C 452 10 pF 50V ceramic chip GRM40CH100J50 C 453 820 pF 50V ceramic chip GRM40CH821J50 C 456 100 pF 50V ceramic chip GRM40CH101K50 C 457 022 µF 50V ceramic chip GRM4...

Страница 138: ...p ERJ 6GMYJ123 R 422 100 ohm 1 8W chip ERJ 6GMYJ101 R 424 10k ohm 1 8W chip ERJ 6GMYJ103 R 426 0 ohm 1 8W chip ERJ 6GMYJ0R0 R 427 62k ohm 1 8W chip ERJ 6GMYJ633 R 428 10 ohm 1 8W chip ERJ 6GMYJ100 R 429 5k ohm 1 8W chip ERJ 6GMYJ502 R 430 2 7k ohm 1 8W chip ERJ 6GMYJ272 R 431 3 3k ohm 1 8W chip ERJ 6GMYJ332 R 432 3 3k ohm 1 8W chip ERJ 6GMYJ332 R 433 270 ohm 1 8W chip ERJ 6GMYJ271 R 434 150 ohm 1 ...

Страница 139: ...NUMBER C 527 1 µF ceramic chip GRM40B104K25PT C 529 001 µF ceramic chip GRM40B102K50PT C 532 001 µF ceramic chip GRM40B102K50PT C 533 001 µF ceramic chip GRM40B102K50PT C 534 24 pF ceramic chip GRM40CH240J50PT C 535 24 pF ceramic chip GRM40CH240J50PT C 536 24 pF ceramic chip GRM40CH240J50PT C 537 24 pF ceramic chip GRM40CH240J50PT C 538 1 µF ceramic chip GRM40B104K25PT C 539 01 µF ceramic chip GRM...

Страница 140: ...ip TDR6G 820 J R 503 Zero ohm chip TDR6G 0R00 J R 503A82 ohm chip TDR6G 820 J R 504 100 ohm chip TDR6G 101 J R 505 1k ohm chip TDR6G 102 J R 506 3 9k ohm chip TDR6G 392 J R 507 47 ohm chip TDR6G 470 J R 509 200 ohm chip TDR6G 201 J R 510 0 03 ohm power chip R030 SYMBOL PART NUMBER DESCRIPTION NUMBER R 511 200 ohm chip TDR6G 201 J R 512 2k ohm chip TDR6G 202 J R 513 2k ohm chip TDR6G 202 J R 514 20...

Страница 141: ...7 4 7 µF 20V tantalum SMD SVC1D475M CR601 Veri cap diode 1SS306 CR651 Vari cap diode 1SS306 L 602 8T L 603 8T SYMBOL PART NUMBER DESCRIPTION NUMBER L 652 8T L 653 8T L 654 8T R 601 51 ohm 1 8W chip ERJ 6GMYJ510 R 603 150 ohm 1 8W chip ERJ 6GMYJ151 R 604 51 ohm 1 8W chip ERJ 6GMYJ510 R 605 10k ohm 1 8W chip ERJ 6GMYJ103 R 606 10k ohm 1 8W chip ERJ 6GMYJ103 R 607 22k ohm1 8W chip ERJ 6GMYJ223 R 608 ...

Страница 142: ...4 331 C 113 0047 µF 10 X7R 1206 510 3609 472 C 114 1 µF 10 X7R 1206 510 3609 104 SYMBOL PART NUMBER DESCRIPTION NUMBER C 115 1 µF 10 X7R 1206 510 3609 104 C 116 1 µF 10 X7R 1206 510 3609 104 C 117 47 µF 16V tantalum SMD 510 2625 478 C 118 270 pF 5 NPO 1206 510 3602 271 C 119 1 µF 35V tantalum SMD 510 2628 109 C 120 270 pF 5 NPO 1206 510 3602 271 C 121 0027 µF 5 X7R 1206 510 3609 272 C 122 470 pF 5...

Страница 143: ... 104 C 218 01 µF 5 X7R 1206 510 3609 103 C 219 1 µF 5 X7R 1206 510 3609 104 C 220 1 µF 5 X7R 1206 510 3609 104 C 221 01 µF 5 X7R 1206 510 3609 103 SYMBOL PART NUMBER DESCRIPTION NUMBER C 222 1 µF 5 X7R 1206 510 3609 104 C 223 1 µF 5 X7R 1206 510 3609 104 C 224 01 µF 5 X7R 1206 510 3609 103 C 225 01 µF 5 X7R 1206 510 3609 103 C 227 1 µF 5 X7R 1206 510 3609 104 C 228 2 2 µF 16V tantalum SMD 510 2625...

Страница 144: ... friction header 515 9031 201 L 101 15 µH 30A DC inductor 542 5010 005 SYMBOL PART NUMBER DESCRIPTION NUMBER L 102 20 µH 8A DC inductor 542 5010 006 L 103 7 5 µH 8A DC inductor 542 5010 008 L 104 10 µH 5A DC inductor 542 5010 007 L 105 100 µH 1A DC inductor 542 5010 012 L 107 300 µH 17A DC inductor 542 5010 004 MP100 5 7 heat sink 014 0771 130 MP101 2 9 heat sink 014 0771 131 MP102 5 7 heat sink 0...

Страница 145: ... ohm 5 1206 SMD 569 0115 472 R 149 1k ohm 5 1206 SMD 569 0115 102 R 150 2k ohm 5 1206 SMD 569 0115 202 R 151 20k ohm 5 2512 SMD 569 0175 203 SYMBOL PART NUMBER DESCRIPTION NUMBER R 152 4 7k ohm 5 1206 SMD 569 0115 472 R 153 100 ohm 5 1206 SMD 569 0115 101 R 154 10k ohm 5 1206 SMD 569 0115 103 R 155 36k ohm 5 1206 SMD 569 0115 363 R 156 1k ohm 5 1206 SMD 569 0115 102 R 157 20k ohm 5 1206 SMD 569 01...

Страница 146: ...06 SMD 569 0115 510 R 246 200 ohm 5 1206 SMD 569 0115 201 R 247 36 ohm 5 1206 SMD 569 0115 360 SYMBOL PART NUMBER DESCRIPTION NUMBER R 249 3 4k ohm 1 1206 SMD 569 0111 352 R 250 2 49k ohm 1 1206 SMD 569 0111 339 R 251 200 ohm 5 1206 SMD 569 0115 201 R 252 1k ohm 5 1206 SMD 569 0115 102 R 253 4 7k ohm 5 1206 SMD 569 0115 472 R 254 1k ohm single turn trimmer 562 0112 102 R 255 4 3k ohm 5 1206 SMD 56...

Страница 147: ...2 Y2 510 1022 222 C 004 0022 µF 2 Y2 510 1022 222 C 005 1 µF 275V X2 class capacitor 510 1024 105 CR001 600V 35A rectifier bridge 523 4004 025 EP006 1 2 tubing 042 0241 557 F 001 15A 250V ceramic body 534 0003 045 SYMBOL PART NUMBER DESCRIPTION NUMBER FH001 Fuse clip 534 1007 001 HW001 10 shakeproof washer 596 1110 012 HW002 4 40 machine panhead ZPS 575 1604 016 HW003 9 16 ID rubber grommet 574 00...

Страница 148: ...10 012 HW107 4 x 0 46 shoulder washer 596 4504 008 HW108 10 32 x 0 375 CPS 560 1110 012 HW800 Speed nut 537 0001 002 J 100 2 pin lock receptacle 515 9032 232 SYMBOL PART NUMBER DESCRIPTION NUMBER K 101 Single pole 24V relay 567 0031 001 L 101 70 µH 3A Toroid inductor 542 5010 014 MP100 Bracket 017 2210 169 MP101 Terminal cover 032 0758 050 NP100 Max input 28 5V Bat Backup 559 5861 166 NP800 Namepl...

Страница 149: ...bly 023 2000 836 W 102 Red wire assembly 023 2000 837 W 103 Black wire assembly 023 2000 838 W 104 Orange wire assembly 023 2000 839 SYMBOL PART NUMBER DESCRIPTION NUMBER THERMAL SENSOR BOARD PART NO 023 2000 840 A 001 Thermal sensor board assem 023 2000 841 C 001 1 µF 10 X7R chip 510 3606 104 J 001 48 mil edge clip short 515 9034 004 J 002 48 mil edge clip short 515 9034 004 J 003 48 mil edge cli...

Страница 150: ...NUMBER DESCRIPTION NUMBER R 011 1 2k ohm 5 1 4W CF 569 0115 122 R 012 10k ohm 5 1206 SMD 569 0115 103 R 013 150 ohm 5 1206 SMD 569 0115 151 R 014 10k ohm 5 1206 SMD 569 0115 103 R 015 10k ohm 5 1206 SMD 569 0115 103 R 016 10k ohm 5 1206 SMD 569 0115 103 R 017 2 2k ohm 5 1206 SMD 569 0115 222 R 018 2 2k ohm 5 1206 SMD 569 0115 222 R 019 2 2k ohm 5 1206 SMD 569 0115 222 R 020 2 2k ohm 5 1206 SMD 569...

Страница 151: ...C 114 100 pF 5 NPO 1206 chip 510 3602 101 SYMBOL PART NUMBER DESCRIPTION NUMBER C 115 100 pF 5 NPO 1206 chip 510 3602 101 C 116 001 µF 5 NPO 1206 510 3602 102 C 117 01 µF 5 X7R 1206 510 3609 103 C 118 01 µF 5 X7R 1206 510 3609 103 C 119 1 µF 5 X7R 1206 510 3609 104 C 120 1 µF 5 X7R 1206 510 3609 104 C 121 01 µF 5 X7R 1206 510 3609 103 C 122 022 µF 5 X7R 1206 510 3609 223 C 123 047 µF 5 X7R 1206 51...

Страница 152: ...µF 10 X7R chip 510 3606 103 C 210 01 µF 10 X7R chip 510 3606 103 C 211 01 µF 10 X7R chip 510 3606 103 SYMBOL PART NUMBER DESCRIPTION NUMBER C 212 01 µF 10 X7R chip 510 3606 103 C 213 01 µF 10 X7R chip 510 3606 103 C 214 01 µF 10 X7R chip 510 3606 103 C 215 01 µF 10 X7R chip 510 3606 103 C 216 01 µF 10 X7R chip 510 3606 103 C 217 01 µF 10 X7R chip 510 3606 103 C 218 01 µF 10 X7R chip 510 3606 103 C...

Страница 153: ... 1504 023 CR106 Switching diode SOT 23 523 1504 002 CR107 4 3V zener SOT 23 523 2016 439 CR108 UHF VHF band switch SOT 523 1504 012 CR109 UHF VHF band switch SOT 523 1504 012 CR110 UHF VHF band switch SOT 523 1504 012 CR111 2 4V 1W zener 523 2505 249 SYMBOL PART NUMBER DESCRIPTION NUMBER CR112 2 4V 1W zener 523 2505 249 CR113 15V zener SOT 23 523 2016 150 CR114 15V zener SOT 23 523 2016 150 CR117 ...

Страница 154: ...MD 569 0111 343 R 160 1 1k ohm 1 1206 SMD 569 0111 305 R 161 3 01k ohm 1 1206 SMD 569 0111 347 R 162 18 2k ohm 1 1206 SMD 569 0111 426 SYMBOL PART NUMBER DESCRIPTION NUMBER R 163 100k ohm 5 1206 SMD 569 0115 104 R 164 100k ohm 5 1206 SMD 569 0115 104 R 165 47k ohm 5 1206 SMD 569 0115 473 R 166 56k ohm 5 1206 SMD 569 0115 563 R 167 56k ohm 5 1206 SMD 569 0115 563 R 168 2 2k ohm 5 1206 SMD 569 0115 ...

Страница 155: ... 2 2k ohm 5 1206 SMD 569 0115 222 R 259 10k ohm 5 1206 SMD 569 0115 103 R 260 47k ohm 5 1206 SMD 569 0115 473 R 261 270k ohm 5 1206 SMD 569 0115 274 SYMBOL PART NUMBER DESCRIPTION NUMBER R 262 2 2k ohm 5 1206 SMD 569 0115 222 R 263 10k ohm 5 1206 SMD 569 0115 103 R 264 10k ohm 5 1206 SMD 569 0115 103 R 265 2 2k ohm 5 1206 SMD 569 0115 222 R 266 10k ohm 5 1206 SMD 569 0115 103 R 267 2 2k ohm 5 1206...

Страница 156: ...44 2020 008 U 126 Quad op amp SOIC MC3404 544 2020 008 U 127 Quad op amp SOIC MC3404 544 2020 008 U 128 Quad op amp SOIC MC3404 544 2020 008 U 129 Quad op amp SOIC MC3404 544 2020 008 SYMBOL PART NUMBER DESCRIPTION NUMBER U 130 Dual op amp SOIC LM2904 544 2019 004 U 131 Quad op amp SOIC MC3404 544 2020 008 U 132 Audio amp 10W TO 220 544 2006 013 U 133 1 of 16 demux SOIC 74HC154 544 3766 154 U 135 ...

Страница 157: ...T 23 523 1504 023 CR509 Dual switch diode SOT 23 523 1504 023 CR510 Dual switch diode SOT 23 523 1504 023 CR511 Dual switch diode SOT 23 523 1504 023 CR512 Dual switch diode SOT 23 523 1504 023 CR513 Dual switch diode SOT 23 523 1504 023 CR522 5 1V zener SOT 23 523 2016 519 SYMBOL PART NUMBER DESCRIPTION NUMBER CR523 Green LED submin radial 549 4001 122 CR524 Green LED submin radial 549 4001 122 C...

Страница 158: ... 541 200 ohm 5 1206 SMD 569 0115 201 R 542 10k ohm 5 1206 SMD 569 0115 103 R 543 10k ohm 5 1206 SMD 569 0115 103 SYMBOL PART NUMBER DESCRIPTION NUMBER R 544 1k ohm 5 1206 SMD 569 0115 102 R 545 10k ohm 5 1206 SMD 569 0115 103 R 546 430 ohm 5 1 4W CF 569 0513 431 R 547 430 ohm 5 1 4W CF 569 0513 431 R 548 430 ohm 5 1 4W CF 569 0513 431 R 549 10k ohm 5 1206 SMD 569 0115 103 R 550 10k ohm 5 1206 SMD ...

Страница 159: ...C 4066B 544 3016 066 U 514 Dual op amp SOIC LM2904 544 2019 004 U 515 NPN out opto isolator 4N35 544 2010 001 U 516 NPN out opto isolator 4N35 544 2010 001 U 517 Transparent latch SOIC 544 3766 573 U 518 D flip flop SOIC 74HC574 544 3766 574 U 519 Low pwr FM IF SO 16 544 2026 008 U 520 NPN out opto isolator 4N35 544 2010 001 U 521 Transparent latch SOIC 544 3766 573 U 522 12V regulator TO 92 78L12...

Страница 160: ...PARTS LIST 9 34 August 2000 Part No 001 2001 200 ...

Страница 161: ...16 919 523 5004 002 BASING NUMBER 1 2 1 1 3 1 1 1 1 3 4 4 5 IDENTIFICATION 1R 2X R2 R3 3604 2T R25 2A 1A DIODES 6 6 6 6 6 6 6 6 6 5A 2A 4E 5H A7 Y7 8E Z1 8F Z2 8J Z4 8P Z8 TOP VIEW C E B 1 TOP VIEW C C E B 2 TOP VIEW TOP VIEW E B B E E C C E 3 TOP VIEW E C B B B B 4 G D S 5 TOP VIEW C 6 A NC 1 7 8 14 TOP VIEW END VIEW 1 8 9 16 TOP VIEW 1 6 7 17 18 28 29 39 40 TOP VIEW 18 28 29 39 1 6 40 7 17 60 70...

Страница 162: ...10 2 August 2000 Part No 001 2001 200 GND RX TX MPC MAC IAC PA EXCITER RECEIVER RFIB REPEATER REAR VIEW FIGURE 10 3 REPEATER FRONT VIEW FIGURE 10 4 REPEATER CABINET FIGURE 10 5 ...

Страница 163: ...I 12 RF MUX 1 INH 12 V REF EX 7 J2 BACKPLANE A9 22 5 21 4 20 3 19 2 18 1 6 23 7 24 8 25 9 26 10 27 11 28 12 29 13 30 14 31 15 32 16 33 17 34 A8 23 5 22 4 21 3 20 2 19 1 6 24 7 25 8 26 9 27 10 28 11 29 12 30 13 31 14 32 15 33 16 34 17 35 J101 WO 113 18 36 WO 106 WO 112 WO 105 WO 111 WO 104 V REF EX WO 103 RF MUX 1 INH WO 110 RSSI HS CS RX SYN CS RX RF CLOCK RF DATA RF MUX 2 INH A D LEVEL RF DATA C ...

Страница 164: ... OUT BUF RX WBAND P9 24 16 15 14 13 8 26 25 18 17 22 20 19 21 23 12 11 10 9 7 6 5 4 3 2 1 P10 P10 15V ACC 15V 25 15V ACCESSORY 24 15V ACCESSORY 26 15V FILTERED 58 15V FILTERED 7 ALARM 3 IN 39 ALARM 3 IN 8 ALARM 4 IN 40 ALARM 4 IN 9 SQELCH ENABLE 41 IAC 41 10 EXT REQ 2 42 BUF RX WBAND ALARM 4 OUT ALARM 4 OUT ALARM 3 OUT ALARM 3 OUT EXT OUT 1 COMM 6 I O 13 TX DATA IN TX DATA OUT TX VOICE RX VOICE CO...

Страница 165: ...TPUT 12V DC WO 103 GND 1 RESISTORS ARE IN OHMS AND CAPACITORS IN PICOFARADS UNLESS OTHERWISE SPECIFIED C103 100pF L101 10 H L102 C105 0 5pF C104 2pF WO 101 R105 47 R106 100 C109 1000pF C110 1 F C111 10pF Q103 2SC3356 R107 3 3k R110 470 C112 1000pF R108 3 3k C115 47pF C113 10pF Q102 2SC3356 R109 2 7k C117 1000pF C114 1000pF C116 15pF C119 R112 3 3k C118 1000pF Q104 2SC2712 C120 22 F RECEIVE VCO FIG...

Страница 166: ...RF OUT 3 WO123 RF OUT 2 WO122 RF OUT 1 U104 1 8 9 16 U110 1 8 9 16 R66 R65 R64 R63 R58 R57 R60 R59 R199 R198 C119 19 20 1 2 J103 WO 142 WO 140 WO 141 WO 138 WO 136 WO 137 WO 139 19 20 1 2 J102 WO 134 WO 132 WO 130 WO 128 WO135 WO133 WO131 WO129 U103 1 8 9 16 R90 R93 R92 C141 R81 R80 C132 R79 R78 C130 R82 R83 C135 C138 R87 R91 C142 C140 R86 C137 C131 C134 C133 CR110 U112 1 7 8 14 CR107 CR109 CR108 ...

Страница 167: ...k 1 12 14 15 Y4 Y3 Y1 Y2 3 9 10 11 Z A2 A1 A0 U105 HEF405TBTD 13 Y0 U106 HEF405TBT D R165 22k Z 3 R164 22k R163 22k R166 22k R197 10k 5V R50 4 99k R167 1k 26V U110A 74HC906 U110B 3 2 5 4 R73 10k R66 43k R64 43k R63 10k R65 10k 17 HS LK EX 16 SYN LK EX 10 14 15 WO133 7 13 TX MOD 12 SYN CS EX 18 HS CS EX WO135 9 V REF EX WO134 8 1 15V 2 15V WO134 19 RF CLK 20 RF DATA R198 10k R199 10k J103 13 RX INJ...

Страница 168: ...153 C152 R142 C147 C145 C102 C104 C169 C156 R152 R153 R154 C159 R151 R148 R147 C151 R144 C146 R140 C311 C149 C150 R146 R145 R143 CR131 C148 C284 C283 C278 R261 C275 C281 C401 R403 C282 C280 R260 C276 R259 R258 L224 L223 L222 Q204 CR401 C277 Y201 U304 C316 C315 C318 C317 U301 Q403 Q405 CR402 U303 C302 C303 C414 L401 L403 L402 C301 C415 C413 R414 R406 C406 R407 C407 R409 R408 C405 R410 R411 R412 C41...

Страница 169: ...ES OTHERWISE SPECIFIED 12V SOURCE C313 001 C314 4 7 C312 2 2 C311 001 15V A201 L101 RF IN RF AMP MIXER 52 95 MHz 4 POLE CRYSTAL FILTER 52 95 MHz 4 POLE CRYSTAL FILTER IF AMP C250 6pF C252 3 9 C101 10pF C102 10pF R107 47 5 2 1 3 J203 C242 001 C201 10pF C202 39pF L201 Z201A Z201B CV201 1 5 5pF C203 5pF L202 C205 39pF L203 C206 10pF R201 1 8k R202 680 R203 47 C211 1 R204 220 C208 01 C207 4 7 C210 8pF...

Страница 170: ...19 C515 R429 C513 R501 C456 C521 Y401 C519 C520 R495 C524 R498 R499 C523 R494 R440 C423 R438 L402 R445 R444 R448 R447 RV401 1 4 5 8 U404 CR403 Q405 C463 C496 C507 L410 L414 L412 L411 Q413 Q412 C449 C451 C503 C505 R473 R474 C504 R478 C509 C465 R491 R479 R489 C462 C464 R481 R475 C506 R476 R480 R477 C508 C510 R449 R487 R426 R486 C409 C481 1 4 5 8 U407 1 4 5 8 U402 R427 C466 R488 R404 R402 R405 R403 C...

Страница 171: ...00pF R460 39 R478 220 Q413 4098 R479 330 C507 470pF R480 330 15 C465 01 R477 1 5k R480 6 8k Q405 3612 R481 1 2k C463 10 C481 1 C496 10 C462 001 C464 01 J402 NOTES 1 ALL RESISTORS ARE IN OHMS AND ALL CAPAICITORS IN MICROFARADS UNLESS OTHERWISE SPECIFIED 2 IC NUMBERS NOT SHOWN PIN NUMBER U402 U404 U407 IC 12V GND 8 4 C476 4 7 R487 5k R486 12 1k U402B RV101 50k 6 7 R427 0 R426 62k R424 10k U402A 2904...

Страница 172: ...0 C542 C539 R511 EP504 C544 C543 R510 C541 C528 C528 C525 C529 U501 RF OUT Vcc 2 Vcc 1 RF IN EP502 C519 C519 C584 C580 U506 1 4 5 8 U505 1 4 5 8 U508 1 4 5 8 U507 1 4 5 8 C592 WO520 WO504 WO509 WO501 WO502 WO503 WO512 WO505 C578 R538 R539 C579 R537 C577 R536 C576 R533 R534 C586 C587 C589 C582 C581 C583 C579 C585 C590 C501 WO511 R502 R503 C502 L501 L502 R505 C506 R506 C594 R504 C507 C593 R501 R503A...

Страница 173: ...01 WO 523 FINAL 2 CURRENT WO 517 WO 524 WO 524A TO LOW PASS FILTER WO 513 NOTES 1 ALL RESISTORS ARE IN OHMS AND ALL CAPACITORS IN MICROFARADS UNLESS OTHERWISE SPECIFIED 8 7 6 5 NC 5 NC 6 NC 7 V IN C575 01 6 2 U507 LM35D 4 3 2 1 NC 4 NC 3 NC 2 V OUT C576 1 R536 75 U508 3 2 1 C577 39pF R538 301k C578 001 R537 100k R539 470 C579 01 TEMP SENSOR WO 509 15V C583 01 C584 33 8 2 3 6 7 A B C GND V IN V OUT...

Страница 174: ...R615 C612 R604 D601 R605 C602 C611 C614 L603 C613 R601 C601 L602 R603 R656 R651 C666 R653 C652 R657 R658 C654 C667 C663 D651 U652 1 4 5 8 RV602 L653 L654 U651 5 8 1 4 L652 C662 C651 R666 C664 C655 R669 R654 C653 R655 C656 R659 R660 R667 C661 C660 R665 C658 R662 C657 R664 C659 R663 R668 C665 WO653 WO652 WO654 REF PWR SENSE 15V IN 5V OUT 5V OUT WO604 WO603 FWD PWR SENSE WO601 RF PWR IN WO602 RF PWR ...

Страница 175: ... 68pF WO 654 REFLECTED POWER SENSE C660 68pF R665 470 U652A 2904 7 C654 68pF RV602 4 7k R664 12k C659 001 R663 7 5k C658 001 R662 10k R660 150 U651B 2904 7 6 5 C654 68pF C655 68pF R659 10k C656 68pF R655 10k C653 68pF R656 22k R678 10k B A C653 27pF CR601 A B CR651 C675 10k C652 68pF 3 2 WO 653 5V C664 001 C663 4 7 R666 220 1 6 7 V OUT GND C GND C665 4 7 R667 47 GND B GND A V IN U653 LM78L05 3 2 8...

Страница 176: ...20 1 7 8 14 U15 8 14 7 R34 Z1 Z2 C18 C17 1 C16 C15 64 32 Y1 C8 C1 U14 U3 U8 9 16 8 1 20 1 11 10 1 28 15 14 C12 U10 1 14 15 28 R2 U1 15 28 1 14 A 1 2 3 4 5 6 B J1 C5 R37 R36 R20 R19 R18 R17 R38 R39 CR1 CR2 CR5 CR4 CR3 1 10 2 9 3 8 4 7 5 6 1 2 3 DS1 U12 CR6 R29 R12 C9 C31 U26 1 3 5 6 4 2 1 8 9 16 J4 1 84 2 11 12 32 33 53 54 74 75 U27 P1 1 33 C13 C2 R35 R27 R9 R5 R13 U13 Y2 Y4 U23 U30 S1 J5 20 1 40 2...

Страница 177: ...5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 8 7 6 5 2 1 28 27 11 CS 2 4 6 8 10 12 14 13 11 9 7 5 3 1 J3 J3 U21 MC14024 O0 O1 O2 O3 O4 O5 O6 12 11 9 6 5 4 3 MR 2 76800 38400 19200 9600 4800 2400 1200 CP 1 20 PT2 9 25 TxC RxC CTS DSR 17 22 U2D 8 9 U2E 10 11 Y3 2 4575 MHz R1 10M R4 2k C29 62pF C19 62pF CLOCK J1 TOUT 66 U30 1 2 READY U19 2 2 PT1 64 68 U10 25 2 PT0 67 U9 3 2 P06 11 U9 27 2 Y1 10 MHz C1 10pF C8 10p...

Страница 178: ...27 11 1 U27 67 1 S1 4 V25 DATA BUS 7 0 TX FIFO U20D U6C 13 12 11 8 9 MSTB 10 U4 15 1 P1 16 1 3 2 1 C B A A13 A14 A15 U3 74HC138 4 5 G2A G2B Y2 Y1 15 14 13 G1 5V 6 19 18 17 16 15 13 12 11 IO0 IO7 IO6 IO5 IO4 IO3 IO2 IO1 A0 A1 A2 A3 A4 A5 A6 A7 U1 HM6264LP 15 19 18 17 16 15 13 12 11 IO0 IO7 IO6 IO5 IO4 IO3 IO2 IO1 A0 A1 A2 A3 A4 A5 A6 A7 A12 A11 A10 A9 A8 25 24 21 20 2 A8 A9 A10 A11 A12 CS1 20 10 9 ...

Страница 179: ...289 C286 C251 C254 R291 C185 R219 C183 Q102 Q101 R220 R226 C161 R225 R254 R285 R227 R223 C207 U114 1 8 16 9 U127 8 14 7 1 U117 1 8 16 9 U164 1 4 5 8 CR105 CR104 CR103 C200 R152 R153 C139 R154 C133 R151 R279 R280 C130 R137 C297 C138 R326 C132 C298 R150 C202 C129 R309 R143 R308 C232 C131 C183 R145 R138 R325 R299 R310 R324 U128 1 7 14 8 R141 R142 C125 C203 R149 R312 R313 R147 R311 R148 C127 C128 R140...

Страница 180: ...20 R271 C184 R164 R275 R161 C181 R166 C144 C145 R321 C201 R165 C142 R167 R162 C136 U118 1 8 9 16 R163 C143 C137 R159 R160 R274 C195 R168 R201 R202 R204 C273 R221 R278 R100 U151 CR111 CR112 U126 1 4 5 8 1 7 8 14 J106 R245 R301 J100 J103 U100 U129 1 7 8 14 1 7 8 14 C196 R174 R173 C141 R157 R176 R158 R156 C146 C182 C165 C198 C150 R170 R169 C148 C147 C149 C228 R155 R218 C140 C160 R270 R175 R171 R172 C...

Страница 181: ...LOWER ADDRESS LATCH U112 27C256A 8 9 10 D0 D1 D2 D3 D4 D5 D6 12 13 15 16 17 18 19 D7 11 A0 A1 A2 A3 A4 A5 A6 A7 A0 A1 A2 A3 A4 A5 A6 A7 10 9 8 7 6 5 4 3 22 OE CE 20 15V 62 15V 30 Z102 15V SOURCE WO 111 WO 110 C256 15 C231 01 8 V IN A B 2 3 C GND 6 7 1 V OUT U136 LM78L08 R303 240 R304 27 C296 10 9V SOURCE C258 47 C233 01 C234 01 C262 01 C263 01 C227 01 C228 01 C271 01 C272 01 C273 01 C229 01 U100 U...

Страница 182: ...00 10 9 11 12 5 6 8 7 5V SECONDARY AUDIO TO RNT 14 RXA P100 VOICE AMPLIFIER U114D LOCAL AUDIO MUTE GATE 14 15 16 U108 18 1 LOCAL AUDIO MUTE GATE R254 47k R236 10k C299 01 C295 220 ON OFF VOL R291 1k C286 10 C251 15 C254 1 5 1 R292 39 C291 1 3 2 4 U132 TDA2003 R290 1 C283 1 C285 470 R288 220 C284 220 R289 2 2 R232 51 J104 J101 EXTERNAL SPEAKER SPKR MIC LOCAL AUDIO OUTPUT LOCAL AUDIO AMPLIFIER C113 ...

Страница 183: ...VOICE GATE R171 36k R172 100k U113B 33178 7 6 5 R173 36k C150 360pF R188 1k C154 1 1 2 J106 CR208 3 9V CR209 3 9V CR214 3 9V CR216 3 9V 28 A D LEVEL 17 TPI TX AUDIO C225 1 J100 J103 A D LEVEL TP 11 9 10 U133C RX VOICE TO BACKPLANE C153 10 13 TPI RX VOICE 22 TPI RX DATA 16 TPI LOGIC NOISE SQ U105A 33178 2 3 1 R122 5 1k C126 100pF R121 150k C125 100pF C127 100pF R120 18k C128 001 R123 100k U105B 331...

Страница 184: ...R549 R545 R552 R551 R563 C516 R568 R554 R567 R553 U518 U518 S502 8 5 1 4 1 2 3 1 3 4 6 7 1 8 14 J503 CR536 CR527 CR537 C504 CR511 CR510 U521 1 10 11 20 WO 503 WO 504 WO 505 R547 R561 C514 C515 C513 C512 R541 R528 U501 1 12 13 24 U500 1 12 13 24 C536 C536 1 3 CR507 CR506 S500 8 5 1 4 U520 4 6 S503 8 5 1 4 CR513 CR512 1 3 U512 4 6 R546 R560 R569 R555 C536 C562 1 3 CR509 CR508 S501 8 5 1 4 U510 4 6 W...

Страница 185: ...0 C529 01 R578 2 7k CR525 15V R576 2 7k CR523 ACCESSORY 24 ACCESSORY 25 15V 15V 15V ACCESSORY F501 2A CR526 C532 1000 C531 01 ALARM 2 OUT 20 14 1 8 7 2 1 3 6 15V Q501 3658 K501 R524 4 7k R532 4 7k 5V 14 1 8 7 2 13 6 15V Q500 3658 K500 R527 4 7k R535 4 7k 5V ALARM 2 OUT 52 ALARM 1 OUT 19 ALARM 1 OUT 51 5V IN 27 5V IN 59 15V IN 30 15V IN 62 5V R577 1k CR524 C538 01 Z500 C523 47 15V C511 01 15V OUT J...

Страница 186: ...2000 Part No 001 2001 200 F1 F2 F3 P9 P13 P15 P17 P2 P4 P6 P8 P7 P5 P3 P18 P16 P14 P12 P1 1 33 32 64 1 17 32 16 1 33 32 64 1 17 32 16 1 17 32 16 1 17 32 16 1 17 32 16 1 17 32 16 1 17 32 16 1 17 32 16 1 33 32 64 1 33 32 64 1 33 32 64 1 33 32 64 1 33 32 64 1 33 32 64 ...

Страница 187: ...10 27 August 2000 Part No 001 2001 200 BACKPLANE COMPONENT LAYOUT CABLE SIDE FIGURE 10 32 FOLDOUT 1 2 25 26 P10 1 2 33 34 J2 1 2 33 34 J1 1 6 P11 WO4 WO1 WO2 WO6 WO7 WO3 WO17 WO16 WO13 WO5 WO8 ...

Страница 188: ...T OUT 1 COM 49 COM 50 ALARM 3 OUT ALARM 4 OUT TX DATA IN RX VOICE TX VOICE BUF RX WBAND COMM 6 P10 TO GREEN CONNECTOR J1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 PTT ENABLE TX AUDIO SQ ENABLE RX VOICE MA HS DATA ENABLE RXS TXS VOTER AUDIO VOTER DATA IN RSSI WB DISC LOGIC NOISE SQ SUB TX DATA HS DATA RX DATA MB RXS TXS EXT MOD EXT REQ 1 AC FAIL OUT J1 TO GREEN CONNECTOR ...

Страница 189: ...4 C155 R184 R170 R171 R169 U106 R183 R182 R172 C150 C153 C149 U109 U103 C115 U108 R256 C192 C196 R260 C198 R261 C195 C193 C194 R258 R245 R271 R270 C204 R244 R240 C184 Q131 CR131 Q130 CR130 R243 R242 R237 R235 R236 Q129 R238 R241 C208 R252 Q133 U120 R253 U117 R249 R250 R222 C190 R251 C191 R255 C213 C214 Q102 C235 R279 R280 R277 R278 U121 U122 CR136 R303 C211 R287 C212 R286 R276 Q138 CR101 CR110 CR1...

Страница 190: ...1 C205 U114 R254 C209 L105 T109 C186 CR132 Q132 CR126 Q125 U111 T108 L104 CR135 C188 CR129 C187 C166 L102 W109 C165 R216 L103 CR141 W115 W 1 0 7 C169 C163 J102 J101 L101 CR145 CR109 Q101 C110 C111 T105 T106 T106 Q116 Q118 C142 A803 CR121 CR128 W116 C143 W105 W106 EP106 F102 C144 C145 W104 W112 W111 W110 C107 R113 R114 1 4 2 3 5 S G D S G D 1 1 2 2 2 3 1 S G D S G D S G D 1 2 3 ...

Страница 191: ...45 2700 C146 1 C141 1 F102 10A 25 9 27 3V MAIN OUTPUT VOLTAGE SET FEEDBACK 4 5 6 2 1 U107 CR148 13V CR107 R155 36k CR137 R150 2k Q103 3600 CR138 R130 100k R129 36k R131 36k R133 100k R134 20k Q106 3600 C148 1 R132 100k R154 100k ON OFF SENSE BATTERY BACKUP TO REMOTE ENABLE WO104 EP110 U110C LMC550AM 8 10 9 R137 1M R136 100k R118 18 2k R135 13k C236 1 R138 2 26k R139 2 26k C234 001 Q114 3612 Q105 3...

Страница 192: ...9 IL205A R240 2k Q130 6110 R241 2k R238 180 C184 1 Q129 6026 R237 18 R236 18 R235 18 CR130 26 5V C186 1500 R242 10 R243 10 R244 180 R245 51 C185 001 Q131 6026 CR131 CR132 Q132 6352 1 3 2 4 CR133 R247 36 R309 0 R269 360 C203 270pF T109 L104 14 OUT 7 9 RAMP I SD 6 C T INV 1 R258 36k C194 22 C193 0022 3 EA OUT R256 2k 2 NI C192 1 R264 2k 16 V REF 11 I REF U113 R265 3 3k R266 1k C202 470pF 10 GND A GN...

Страница 193: ... FILTER BOARD FIGURE 10 38 FOLDOUT EARTH GROUND AC HOT NEUTRAL CHASSIS GROUND F1 20A C1 22 C2 22 L1 1 8uH C3 0022 C4 0022 L2 8 67nH R1 1M C5 22 RV2 RV1 BRN RED BLU BLK GRN YEL WO1 AC HOT WO5 POS OUT WO3 NEUTRAL WO4 NEG OUT WO2 CHASSIS GND CR1 ...

Страница 194: ...CR116 F101 W102 R121 C116 C124 R124 C125 U102 R115 C103 C107 R147 R146 R120 R123 R119 R118 U103 R151 R150 C115 R149 R144 R148 R145 8 5 4 1 CR104 1 4 5 8 1 4 5 8 U104 R136 R137 CR117 CR114 C134 C133 R116 C118 W104 R140 R139 R138 C106 C119 L101 U107 2 3 1 R111 R165 R106 Q101 B C E R107 R102 R105 R103 R104 CR113 C101 CR109 U107 R158 R141 1 4 5 8 U106 CR118 R143 Q105 E C B C112 R152 R153 R154 R159 R15...

Страница 195: ...1 26V C101 01 24V HIGH CURRENT TRACE 30A BATTERY 67V L101 C119 220 26V C105 1000 R136 3 3k R137 3 3k 1 VIN U107 LM317M ADJ V OUT 2 3 C106 1 R138 240 R139 3 3K R140 1k C109 1 C110 6 8 C111 1000 Q104 2021 Q105 6026 R142 10k CR116 F101 4A 24V BATTERY R143 2k OFF ON CHARGER DISABLE SWITCH CR111 GREEN CHARGER ACTIVE S101 U104B LM2904 6 5 7 TEMPERATURE SLOPE R151 100 C107 1 R150 10k R149 82k R148 15k R1...

Страница 196: ... 7 8 9 10 11 12 3 6 9 8 5 2 1 4 7 J2 BACKPLANE POWER CABLE CONNECTOR AND SCHEMATIC FIGURE 10 43 FROM A FROM B TO P105 TO P102 TO P101 TO P104 FROM C TO P103 WO5 15V IN 15V IN WO6 WO20 EP20 WO20A WO7 WO8 15V OUT 15V OUT 26V IN 26V IN WO21 EP21 WO21A 26V OUT 26V OUT WO11 WO12 WO13 WO16 WO14 WO15 C1 2200 C2 2200 C3 2200 C4 2200 WO18 WO10 WO9 WO17 POWER FILTER BOARD COMPONENT LAYOUT FIGURE 10 41 POWER...

Страница 197: ......

Страница 198: ...Part Number 001 2001 200 8 00mwp Printed in U S A ...

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