pe MEXICO INTERNATIONAL Condor Technical Manual Part 1 Introduction Introduction 1.1 General 1.1.2 1.1.3 The Condor is a single channel, duplex radio link providing communication between two terminals in fixed installations. Communication is via a channel with normal telephone bandwidth ie. 300Hz 3400Hz. The Condor is duplex allowing the user to both listen and speak at the same time. Application The Condor is used for three different applications: telephone, payphone or non telephone.
& MEXICO INTERNATIONAL Condor Technical Manual Part 1 Introduction 1.1.4 1.1.5 1.2 1.2.1 Telephone Applications When used as a telephone fink, the Condor enables a telephone to operate connected to the exchange by wire, instead of radio. Under normal conditions, the user is not aware that a radio is being used. Both pulse dial and MDT dial telephones operate normally. The ringing cadence sent 1o the telephone is the same as the exchange sends and most exchange tones are heard as normal.
pe MEXICO INTERNATIONAL Condor Technical Manual Part 1 Introduction 1.2.2 Electrostatic Damage CAUTION The Condor uses a number of semi-conductor devices which are sensitive to electrostatic damage. You should assume that every IC is sensitive to static electricity. Please take adequate care in the handling and storage of such devices when carrying out any service work on the equipment.
A MEXICO INTERNATIONAL Condor Technical Manual Part 1 Introduction 1.3 How To Use This Manual This manual is divided into two parts. > Part One details the Condor used with the 2825 Line Interface, allowing normal phone or point-to-point operation. Part Two details the Condor using the 2856 and 2587 Line Interfaces which enable payphone operation. The modules common to both systems configurations are covered in Part One and should be referred to when reading Part Two.
4 Complexion INTERNATIONAL Condor Technical Manual Part 1 Specifications Line Strapping Options 1) 2-wire Subscriber 2) 2-wire Exchange 3) 4-wire + E and M positive M-wire 4) 4-wire + E and M negative M-wire M-wire Characteristic 30V positive or negative polarity S/C current nominal 3mA to equipment frame E-Wire Characteristic Polarity independent Peak off state voltage 300V Peak on state current 100mA ON state resistance <50Q System Timing: in point-to-point mode M to E Wire defy <75ms for make fast key mo
MEXICO att INTERNATIONAL Condor Technical Manual Part 1 Specifications This page intentionally left blank ©1996 Mexico Technologies (1996) Lid 2-4 Issue 3 September 1998
A MEXICO INTERNATIONAL Condor Technical Manual Part 1 System Operation System Operation 3.1 Introduction 3.2 3.2.1 This chapter describes how the Condor works as a system. It includes a description of the Condor and its features. It details the sequence of events for the Condor in several modes of operation. it includes a fault-finding guide which can be used to isolate faulty modules. La belling All modules in the Condor are labeled with a Type Number and a Serial Number.
Ar Mexico i INTERNATIONAL Condor Technical Manual Part 1 System Operation 3.2.2 3.2.3 3.24 3.25 RF Channel Planning The equipment is designed for 25/30kHz channeling. The two transmitters in a fink can be spaced at MHz MHz (UHF) or (VHF band dependent). The transmitter power output is adjustable from 10W at the duplexes output to less than 1W duplexes output. We recommend using the low powers for minimum current consumption and maximum frequency re-use.
Wb nn Mexico INTERNATIONAL Condor Technical Manual Part 1 System Operation 3.2.6 33 3.3.1 3.3.2 3.33 33.4 Full secondary lightning protection is provided for the 2-wire Lina connection using a three terminal gas discharge arrest or. S00V isolation is provided within the housing and fine interface modules for the 2-wire path. Serviceability Modules can be per-aligned, then used to replace faulty modules without further adjustment in the field.
Hr MEXICO INTERNATIONAL Condor Technical Manual Part 1 System Operation 3.35 3.3.6 3.3.7 34 3.4.1 Power Supply Polarity The Condor requires a nominal 12 volt negative earth external power source with 4 amp capability. For normal operation the power supply voltage must be between 10.8V and 15.5V. . Note: The Condor housing metalwork is directly connected to the negative supply terminal. Supply voltage above 15.5V may cause conduction of the rack protection zen er diode.
Ar MEXICO | INTERNATIONAL Condor Technical Manual Part 1 System Operation 3.42 3.5 3.5.1 3.52 3.5.3 Software La belling The microprocessor uses software stored in the interchangeable PROM. The PROM window Is covered with a label on which is printed a coded description of the software version. The version number is included in the PROM program, so that the PROM can still be identified if the label! is missing. .
4 Mexico INTERNATIONAL Condor Technical Manual Part 1 System Operation 3.6 3.6.1 Link Operation Sequences Telephone Mode: Subscriber Originating Call (Subscriber Makes A Call) This is best described as a sequence of operations from initiation. Subscriber lifts hand set and loops the line. Loop is detected and the controller is awakened.
A MEXICO | (INTERNATIONAL Condor Technical Manual Pant 1 System Operation Subscriber Terminating Call (Subscriber's Telephone Rings) (a) Incoming ringing is detected and powers the exchange terminal controller, which proceeds to time the first ring cadence, while also trying to establish the radio link. Dent signaling is used in the same way as described in steps (c} to (g) above, with the subscriber and exchange roles reversed.
A MEXICO ) INTERNATIONAL Condor Technical Manual Part 1 System Operation Failure Modes 3.6.2 The controller program allows two seconds break in received carrier before clearing the link and powering down. If the sub is off hook when the link clears down, he will receive busy tone. . If the link fails to set up properly then the sub gets a busy tone if he initiated the call. Data errors in the signaling path are protected by parity checking and sequential message comparison.
A MEXICO INTERNATIONAL Condor Technical Manual Part 1 System Operation 3.6.3 {n} The controller rectums to its sleep mode after completion of time-out and loss of signal valid, Trunking Mode (Pin pairs 7 and 2 Linked on Controller) Trunking Made provides a transmitter hold period of 500 milliseconds and in addition gives a rectum audio path after activation from either end. The signaling channel provides a slow {150 baud) data channel for the user in both directions.
Ar Mexico INTERNATIONAL 3.7 Monitoring The digital selector switch and toggle selector switch on the front panel of the controller module allow various test points in the transmitter receiver and controller to be monitored. The test points in the receiver and transmitter provide DC voltages in the range OV to 2.5V while the controller monitoring measures audio levels which are rectified for display on the front panel meter.
4 Mexico INTERNATIONAL Gordon Technical Manual Part 1 System Operation > SWERVE: The SWERVE display is derived from a dual directional couplet In the transmitter. High VEER indicates that reflated power is a significant fraction of forward power. Thus for any condition of zero forward power a high SWERVE will be indicated. This could occur if for example a sim-tuned duplexes was used. The SWERVE indication remains substantially constant for powers of 0.5W to 12W.
A Mexico INTERNATIONAL Condor Technical Manual Part 1 System Operation 3.8 Fault Identification 3.8.1 3.8.2 3.8.3 Note: M-wire LED refers to D18 on the 2857 Subscriber Line Interface, D12 on the 2586 Exchange Line Interface and D23 on the 2825 Line Interface. E-wire LED refers to D1 on the 2825 Line Interface. The 2586 Exchange Line’ Interface and the 2587 Subscriber Line Interface have no E-wire LED indication.
ye MEXICO INTERNATIONAL Condor Technical Manual Part 1 System Operation 38.4 If the remote terminal makes a reply but its dent code is not seen as correct then step 4 above will occur but both receiver Rx LED and transmitter Tx LED will extinguish after three to four seconds. For a normal call, extinction of the M-wire LED, controller LED, Tx LED, Rx LED and return to receiver cycling do not occur until the subscriber hangs up.
A Excommunicate INTERNATIONAL Condor Technical Manual Part 1 System Operation Subscriber Originating call (1) The receiver Rx LED illuminates, simultaneously with the controller LED. (2) The transmitter Tx LED illuminates. (3) The E-wire LED illuminates as the exchange line is looped. (4) The E-wire LED flashes with subscriber purse dialing. No further change occurs until the call clears. Extinction of the E-wire LED, controller LED, Tx LED and Rx LED do not occur until the subscriber hangs up.
ya MEXICO i INTERNATIONAL Condor Technical Manual Part 1 System Operation 3.8 Remote Testing Remote testing utilities an unusual ding cadence to provide a test access to the radio link circuit without alerting the subscriber or busying the exchange. The Long Ring Test is initiated by sending a long burst of ringing (between 2.5 seconds and 5 seconds) to the exchange terminal.
A MEXICO INTERNATIONAL Condor Technical Manual Part 1 System Operation KHz Deviation Peak Maximum re 3400 F8K Input Frequency 300 Modulating Frequency (Hz) LE» Drag. No. 50-4-0551-0 Figure 3.
ye MEXICO INTERNATIONAL Condor Technical Manual Pant 1 System Setup System Setup 4.1 Introduction 4.2 43 This chapter describes how to set up the audio levels and transmitter power for the Condor. It should be read in conjunction with the Condor Installation Guide. The operations described here should normally performed by qualified technicians in a repair or service center.
A MEXICO INTERNATIONAL Condor Technical Manual Part § System Setup 4.3.1 Subscriber to Exchange Alignment Connect the modulation meter so that it measures deviation of the subscriber terminal transmitter, (2) Connect a 600Q level meter to the 2-wire line connections of the exchange terminal. This is best done across the gas discharge arrest or on the motherboard, (3) Connect a 600Q audio generator to the 2-wire line connections of the subscriber terminal with frequency set to 1000Hz and level to MongoDB.
4 MEXICO INTERNATIONAL Condor Technical Manual Part 1 System Setup 4.3.3 Point-to-Point Linking Mode 4.4 45 Link alignment for point to point linking mode is similar in procedure to that outlined above except that the input is the 4-wire Tx pair of the first terminal with receive output at the 4-wire Rx pair of the second terminal. The M-wire of the first terminal must be grounded to the equipment case to initiate transmission.
MEXICO INTERNATIONAL Condor Technical Manual Part 1 System Setup This page intentionally left blank ©1996 Mexico Technologies (1996) Ltd a-4 Issue 1 September 1986
4 MEXICO } Interrogation AL Condor Technical Manual Pant 1 Controller 6 Controller Type 2737 6.1 Linking Arrangements On the Controller PCB there are two parallel rows of seven connector pins, comprising PL2, the dent pins adjacent to pins the microprocessor. The outer row of pins is connected to OV and insertion of bridging shunts between the two rows selects the type of link operation performed. Pins are numbered from the top of the board downwards. 6.1.
4 MEXICO INTERNATIONAL Condor Technical Manual Part 1 Controller For Example ; Pins O00 O00 O00 O00 coincident Goo OO GO Pins RES 00 ov IE IXY 00 00 O00 O00 00 06 00 dent Code Pins ERD O00 00 00 00 O00 O00 00 O00 o0 dent Code Pins oo OXF O00 (XXB O00 O00 00 00 O00 O00 G0 00 00 Coincident Dewy. No. 504-0550-0] Alarm Tones In the telephone configuration the Line Interface defines whether the terminal is an Exchange or a Subscriber end. This also determines the pitch of the alarm tone pips which are generated.
BD) ol INTERNATIONAL Condor Technical Manual Part 1 Controvert 6.1.2 Point-to-Point Linking Mode Pin pair 7 must be linked to select any point-to-point linking mode operation see linking arrangements above. In this mode, Pin Pairs 1 to 5 cease to provide an dent code, but are used to select the point-to-point mode of operation. . Basic Point to Point: Pin pair 7 linked, pin pair 1 and 2 unlined. In this mode there is no hold period for the transmitter. It closes down immediately after Wire is released.
4 Mexicali Condor Technical Manual Part 1 Controller INTERNATIONAL 6.1.3 Align Mode Align mode is selected by linking pin pair 6. In align mode both receiver and transmitter are Powered, receiver and audio mutes are released and the speech loop relay is energized. There are no signaling or alarm tones generated in align mode. Dus to absence of . signaling tones, transmitter deviation is reduced by up to 650Hz when using kHz channel spacing, and by up to 325Hz when using 12.5kHz channel spacing.
4 MEXICO INTERNATIONAL Condor Technical Manual Part 1 Controller 6.2. 6.2.1 Circuit Description Audio and Signaling Section Transmit Path The transmit audio signal enters the Controller board on pins 25/56 and feeds a overemphasis amplifier/clipper comprising one op/amp from IC1, transistors TR1 and TR2 and the RC feedback network Rd, C4. The output on pin 1 feeds a second stage of amplification using the other op. amp from IC1, and a high elev! clipper stage TR3, TR4, D1 and Rg.
Mr MEXICO INTERNATIONAL Condor Technical Manual Part 1 Controller 6.2.2 Clocks All clocks are produced by the two programmable timer devices, ICC and 1C21, under the control of the processor, and are derived from the MHz crystal. Five timer outputs are appreciatively coupled to the individual stages to provide the required DC levels. The sixth output is spare. Gating of Clock 1 from ICC through ICC by a signal from the processor gives direct audio muting of the receive path.
A MEXICO INTERNATIONAL Condor Technical Manual Part 1 Controller Logic > Watchdog. Resetting of the processor ICC is accomplished by a combined reset/watchdog circuit comprising two gates of ICC and associated components, C104, TR, R131, R138, C102 and C103. At switch on, the RC time constant of R131 and C103 keeps ICC pin 10 low and therefore pin 8 high to provide’ an extended processor reset pulse. R138 and C102 with the other gate, pin 11, constitute an oscillator.
ye MEXICO INTERNATIONAL Condor Technical Manual Part 1 Controller 6.3 Alignment alignment except at a static free work station. Any failure of a Controller module in the field soul equipped service center. fully described in the Test Unit Manual, The 2737 module contains static sensitive devices.
4 Excommunicate INTERNATIONAL Condor Technical Manual Part 1 Controller VO Interface < 7 Transmit FSK Microprocessor Circuit > Watchdog Circuit Dent Links i ent Lin : Power Supply ; Receive i FSK Accessory i Decoding Module Pug Receive i speech | = Processing i Transmit Speech Processing Meter Circuitry Lol Draggy. No. 50-4-0548-0] Figure 6.1 Controller Type 2737 Layout DOA Examiner Technologies (19981 1 1r A-a Deena 2.
MEXICO INTERNATIONAL Condor Technical Manual Part 1 Controller Mn an OK BOLE 238 fls 71s * aff (aff wf ex elf Ace 228 §2ea Fee Figure 6.3 Controller 2737 Block Diagram Drg. no.
4 MEXICO INTERNATIONAL 9.1 Condor Technical Manual Part 1UF Transmitter Type 2950 and 2957 9 UHF Transmitter Type 2950 & 2957 Introduction The transmitter is synthesizer driven and direct frequency modulated. Minimal audio processing occurs in the transmitter module. It is intended that this takes place in the Type 2737 Controller Module. A A CAUTION The UHF Transmitter module contains semi-conductor components that are sensitive to electrostatic damage.
A Mexico INTERNATIONAL 9.2 Specifications Condor Technical Manual Part 1YHF Transmitter Type 2660 and 2057 Transmitter Type Synthesized with direct frequency modulation Synthesizer Step Size § kHz or 6.25 kHz i Frequency Bands (MHz) | Module No: Tx 2957 335-356 | Tx 2950 410-430, 430-450, 450-470 i 470-490, 480-500, 490-512 | Output impedance 500 | RF Output Power 1-15 W < 470 MHz, 1-13 W > 470 MHz | RF Power Regulation | Over pacifism bandwidth +0.5dB | With Supply Voltage + 1.dB for 10.6 Vic to 15.
4 MEXICO ’ INTERNATIONAL Condor Technical Manual Part 1UF Transmitter Type 2950 and 2957 Environmental Operates within relative humidity, non-condensing | Operational Voltage Range 10.6 Vine ta 15.5 Vie j * Maximum DC Supply Current Standby, non-fast key configuration 15mA | at 13.8 VDC input Standby, Fast Key configuration 110 mA ; {Typical measurements Monty) Tx keyed, 1 Watt output from Duplexes (approx. 1.3 W from Tx) 1.2A | Tx keyed, 10 Watts output from Duplexes (approx. 13 W from Tx) 3.
MEXICO INTERNATIONAL Gordon Technical Manual Part 1: UHF Transmitter Type 2050 and 2957 9.3.3 9.34 2.3.5 0.3.6 9.3.7 8.3.8 U307 also sends status information from pin 7 to U302, which indicates whether U307 has successfully “locked” to the required frequency. When U307 has achieved frequency lock, U302 takes pin 17 low. The output from pin 17 is the LOCKET signal; this can be monitored on TP403. Figure 9.2 shows the location of R305 on the module PCB. Reference Oscillator This comprises a 9.60 MHz OTC.
4 MEXICO INTERNATIONAL Condor Technical Manual Part UHF Transmitter Type 2950 and 2957 9.3.9 9.3.10 9.3.11 9.3.12 9.3.13 8.3.14 High Pass Filtering The RF output from the power amplifier module is also fed to an absorptive high pass elliptical fitter. This keeps the harmonic energy to a minimum. RF Power Output Control Vantage from the forward power port of the dual directional couplet feeds the constant output power loop.
MEXICO INTERNATIONAL Condor Technical Manual Part UHF Transmitter Type 2950 and 2957 9.3.15 Monitor Facilities Eight monitor inputs are examined with the aid analogue multiplexer U701. Any one of these eight inputs may be selected to be connected to the controller via rear plug pins 2, 3, 13 and 14. The outputs can be read on the Type 2737 Controller module (see Section 8), or the level meter on the Test Unit Ty pa 2501.
BD JA INTERNATIONAL Condor Technical Manual Part UHF Transmitter Type 2950 and 2957 DIP Switch SW301 RF band selection chart RF Band | Position | Petition | Position | Position | Position Position | Position | Position 450-470 335-356° OFF OFF OFF oN 380-403 OFF 403-423 OFF ON ON OFF. 410-430 OFF ON OFF 430-450 OFF OFF ON OFF 470-480 QFF QFF 480-500 OFF ON QFF. OFF 490-512 QFF OFF OFF B CD Dwg. No. S-4-0933-0 | Key Figure 9.
Exoticism INTERNATIONAL Condor Technical Manual Part UHF Transmitter Type 2950 ang 2957 9.4.2 0300 ge Bottom of Pr ivied Cirrus Bow EEE] Drag. No. 50-4-0928-2 Figure 9.2: Position of Tx module synthesizer increment setting resistor R305 Frequency Selection Procedure The transmitter frequencies are selected using three Hexadecimal switches (SW302, SW203, and SW304).
» Mexico INTERNATIONAL Gorgon Technical Manual Part UHF Transmitter Type 2050 and 2057 Step 2 9.4.3 Convert 2520 to a hexadecimal number to suit the frequency selection switches: 2520 + 256 = 9.84375. 9 is a whole number so this is the correct setting for SW304 (M3B) Step 3 Multiply the remainder (0.84375) by 256 = 216. 216 +16 = 13.5, 13 is a whole number, use the table below to convert 13 to the correct Hexadecimal setting. Hex Digit [AlB [ICED IF Number 10]11 the correct setting for SW303.
& MEXICO INTERNATIONAL Condor Technical Manual Part UHF Transmitter Type 2650 and 2957 Step 2 Multiply the middle number by 16: 13x 16 = 208, Step 3 Add the least significant number to the two numbers above: 8 +208 + 2304 = 2520 9D8 Hexadecimal = 2520 in decimal. Step 4 9.4.4 Convert 2520 into the actual operating frequency using the following formula: FE = switch setting (decimal) x frequency increment size + start frequency As mentioned earlier, frequency increment size is dither 5.0 kHz or 6.
MEXICO INTERNATIONAL Condor Technical Manual Part UHF Transmitter Type 2050 ang 2957 9.45 Mechanical Access To The Transmitter Module 1 Turn off the power supply to the terminal, remove the terminal from the wail, and separate the terminal from all cabling, including the antenna cable. Lay the terminal on a fiat surface, with the base plate uppermost. 2 Remove the three screws complete with washers at the bottom of the terminal (see Figure 8.3) and store them in a safe place.
MEXICO INTERNATIONAL Condor Technical Manual Pan UHF Transmitter Type 2950 and 2957 9.5 Transmitter Output Power Adjustment 95.1 General The transmitter output power is adjusted using a multi-turn potentiate in the transmitter module. Rotating the potentiate in a clockwise direction increases the power and rotating in an anti-clockwise direction decreases the power. The potentiate is adjusted through a hols on the right hand side of the module shroud {see Figure 8.4). Oreg. No. 504-0917 Figure 9.
Mexican } INTERNATIONAL Condor Technical Manual Part UHF Transmitter Type 2050 and 2957 9.6 Transmitter Alignment Procedure 9.6.1 Test Equipment Required Mexico Test Unit Type 2501, Communications Test Set with 600 © Adapter, Modulation meter, 1 GHz Frequency counter, RF Power Meter, e.g. Bird 43 Thru line or equivalent, with 25C and 250 elements, AF in-line Attenuation, 50 Ohm, 15 Watt minimum, 30 dB e.g. Bird Interline or equivalent, RF in-line Attenuation, 50 Ohm, 15 Watt minimum, 3 dB e.g.
MEXICO INTERNATIONAL Condor Technical Manual Part UHF Transmitter Type 2050 and 2057 Rear Plate Drag. No. 504-0911-1 Figure 9.5: Module Face and Rear Plate Screws 5. in the module rear plate, undo the two screws on either side of the connector that protrudes through the plate (see Figure 8.5). Put the screws in a safe place for refitting the PCB. 6. Extract the transmitter PCB from the module by pulling gently on the front plate. Lot Terr Dwg. No. 50-4-0915-t Figure 9.
MEXICO INTERNATIONAL Condor Technical Manual Part UHF Transmitter Type 2950 and 2957 9.6.3 Alignment and Functional Checks Note: Do not use an extender cable except for fault finding as it produces significant 1. 10. voltage drop at high output power settings. On the PCB, turn RV701 (RF Power) fully anti-clockwise to give minimum power setting, and turn RV101 (frequency deviation control) fully anti-clockwise to give zero deviation.
MEXICO INTERNATIONALS Condor Technical Manual Part UHF Transmitter Type 2050 and 2957 11. On the Transmitter PCB, adjust RV701 for required RF output power measured on the power meter. Note: Allow for approximately 1 dB loss in the Duplexes after the transmitter is fitted back into the terminal, 1" 48d a. i 30dB Attenuation Power Meter Transmitter Figure 9.7: Alignment and Functional Checks Set-up 9.6.4 Modulation Deviation Setting 1. Connect the transmitter PCB to the test equipment as shown in Figure 9.8.
4 Mexico MM INTERNATIONAL Condor Technical Manual Part UHF Transmitter Type 2050 and 2957 Figure 9.8: Modulation Deviation Setup 8.6.5 Oscillator Frequency 1. Connect the transmitter PCB to the test equipment as shown in Figure 9.7. Connect the frequency counter to the output of the attenuation. Allow the equipment to be fully warmed up, then tum the modulation down to 0 Mons.
# MEXICO INTERNATIONAL Condor Technical Manual Part UHF Transmitter Type 2950 and 2957 4. Adjust RV703 on the transmitter PCB for a reading the Test Unit analogue meter (this sets the zero balance for the SWERVE bridge). Connect attenuation to the transmitter RF output. Connect the UN-terminated coaxial cable to the output of the attenuation (this gives a 3:1 mismatch). Adjust RV702 on the transmitter PCB so that the SWERVE alarm LED on the Test Unit just lights. 9.6.7 Completion of Transmitter Alignment 1.
& Mexico INTERNATIONAL Condor Technical! Manual Part UHF Transmitter Type 2850 and 2957 This page intentionally left blank 1598 Mexico Technologies (1996) Limited 2.
Wr E Rico M Condor Technical Manual Part 1 VHF and UHE Duplexes Type 2824 VHF and UHF Duplexes Type 2824 10.1 introduction 10.2 The Duplexes contains two sections, a high pass notch and a low pass notch. Connection to the Duplexes of the receiver and transmitter is dependent on their relative operating frequencies. The unit operating at the highest frequency is connected to the high pass port labeled "H*. The lower frequency unit is connected to the low pass port labeled "L*.
4 MEXICO INTERNATIONAL Condor Technical Manual Part 1 VHF and UHF Duplicators Type 2824 Insertion Loss 1.5dB Max HP port to antenna or LP port to antenna (dependent separation) Tx Noise Suppression at Rx Frequency | 60dB minimum Rx isolation at Tx Frequency 60dB minimum, Antenna Port Return Loss 10dB minimum (dependent separation) HP, LP Port Return Loss 10dB minimum (dependent separation) Tx ~ Rx Separation 68 88MHz sub-bands 4.0 to 6.0MHz 148 174MHz sub-bands ae to 1o.
4 MEXICO INTERNATIONAL Candor Technical Manual Part 1 VHF and UHF Duplex Type 2824 10.3 Alignment Procedures 10.3.1 Instruments Required > Condor with transmitter and receiver set to required frequencies. > Signal generator (eg. HP8640B). > Power meter (eg. Bird 43 and 500 / 20 watt load), 10.3.2 Tuning Instructions Tuning slugs are numbered from left to right. The left hand slug is adjacent to the Transmitter module. 1.
Excommunicate INTERNATIONAL TONAL Condor Technical Manual Part 1 VHF and UHF Duplexes Type 2824 With the control module monitor set to Tx position 1 key the transmitter and check that the monitor just reads zero, and that the power output on the meter is not less than 70% of the power directly out of the Tx module.
4 MEXICO INTERNATIONAL AL Candor Technical Manual Part 1 Mains Power Supply Mains Power Supply Type 2828 12.1 Introduction 12.2 12.2.1 12.2.2 12.2.3 This module is a switchblade power supply operating in fly back mode. This section provides a detailed circuit description, test procedure and some suggestions for fault finding. Circuit Description Input Circuit AC input is filtered by C1-C6 and L1 and taken to the bridge rectifier D2 to D5.
4 MEXICO i INTERNATIONAL Condor Technical Manual Part 1 Mains Power Supply 12.24 12.25 12.2.6 1227 Similarly, ICED monitors the temperature sensor theorist R23 (near to the pillar holding SAMOSET Q1). If the temperature rises above about 100°C, ICED tums on and shuts down the unit. Pulse Width Modulation (PWM) Contort Circuit IC2/C is a comparative connected as a saw tooth generator operating at about 180kHz.
MEXICO INTERNATIONAL Condor Technical Manual Part 1 » Mains Power Supply 12.3 Power Supply Installation Note: Ensure that the power supply is set up for the correct mains voltage by checking the linking on the PCB. P1 is bridged to P2 to select mains voltages in the range 184 to 276V AC (230V nominal), or bridged to P3 to select mains voltages in the range 88 to 132V AC (110V nominal). Refer to Figure 12.1 to locate P1,2,3.
Excommunicate INTERNATIONAL Condor Technical Manual Part 1 Mains Power Supply 12.4 Fault Finding Note: Because of the high voltages present always exercise extreme care when servicing. An isolation transformer is necessary for all work with the cover removed. Ensure that the drain voltage on Q1 is always kept to less than 1000V. When testing the unit after major repairs, always check the drain voltage using a 1k ohm resistor soldered onto the drain pad under the PCB, with the scope probe clipped onto this.
INTERNATIONAL Condor Technical Manual Part 1 Mains Power Supply SAMOSET Switch O1 Ratifier 10-230 Selection Over-voyage forgoer il Input for 2 ¢ Drag. No. 50-4-0486-0 Figure 12.
~ J INTERNATIONAL Condor Technical Manual Part 1 Mains Power Supply This page intentionally laf blank ©1996 Mexico Technologies (1996) Ltd 12-6 Issue 1 + September 1996
4 MEXICO INTERNATIONAL Condor Technical Manual Part 1 DC-DC Converter DC-DC Converter Type 2461 13.1 Specifications Input 22 to 70VDC either polarity earthed Output 13.5V at 4A DC load Output Ripple Less than 0.5mV isometrically weighted Input Protection Polarity reversal, under voltage, over voltage Input Fuse 5A 20mm or 30mm (internal) Isolation Input, output and frame DC isolated Output Protection Short circuit proof. Over voltage protected indicators Front panel LED, power on digital monitoring 13.
4 MEXICO INTERNATIONAL Condor Technical Manual Part 1 DC-DC Converter 13.3 Power FET current is sensed at source resistors R19, R31 and R32. Average current is sensed at IC2 pin 4 and peak current at pin 10 to provide protective shutdown of IC2 output. A soft start power supply turn on characteristic is provided by C13 to limit inrush currents. Output over voltage protection for inductive load transients is provided by 16V VDR R30.
D) J INTERNATIONAL Condor Technical Manual Part 1 DC-DC Converter Q =e PYM FS1 Gap Switch mods 20mm or induct or L7 a 30mn D4 ot cas car wd [ TR? Drag. No. 50-4-0549-0 Figure 13.
& Mexico INTERNATIONAL Condor Technical Manual Part 1 D-DC Converter Cag O18 — i barter ll a 3 Overt ™ £81 ove overeager more Oreg. No. §0-4-0483-0 Figure 13.2 DC-DC Converter Type 2461 Block Diagram Dry. no.
Hr MEXICO INTERNATIONAL Condor Technical Manual Part 2 System Setup System Setup 17.1 Introduction 17.2 173 This chapter describes how to set up the audio levels and transmitter power for the Condor. The operations described here should normally performed by qualified technicians in a repair or service center, Identity Codes In telephone mode, communication between the exchange and subscriber radio terminals is preceded by an identity code handshake.
A Mexico ! INTERNET TONAL Condor Technical Manual Part 2 System Setup 17.3.1 17.3.
Mexico INTERNATIONAL Condor Technical Manual Part 2 System Setup 17.4 17.5 Transmitter Power Adjustment To adjust the transmitter power, first remove the plastic hole cover underneath the transmitter module, This gives access to power control adjustment RV1 in the transmitter. Test and Alignment Aids Four separate Test Units are manufactured to simplify test and alignment of the Condor modules. They are intended for use by regional module repair centers. Field repairs on a module replacement basis.
MEXICO INTERNATIONAL Condor Technical Manual Part 2 System Setup This page intentionally left blank ©1996 Mexico Technologies (1996) Lid 17-4 Issue 1 September 1996
