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TEX2503TFT

11

/ 34

User Manual

Rev. 1.0 - 04/12/20

The station normally has an air outlet at the rear of the equipment: in which case,

ensure adequate ventilation of the room.

COLD

HOT

50cm

Alternatively it is cooled by forced ventilation and the air intake is located on the

roof of the equipment. A hose approximately 1.5 metres in length is recommended.

COLD

HOT

50cm

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Содержание TEX2503TFT

Страница 1: ...TEX2503 TEX2503TFT TFT USER MANUAL VOLUME1 Manufactured by R V R ELETTRONICA Italia ...

Страница 2: ...ersion History Date Version Reason Editor 04 12 2020 1 0 First edition J H Berti Notification of intended purpose and limitations of product use This product is a FM transmitter intended for FM audio broadcasting It utili ses operating frequencies not harmonised in the intended countries of use The user must obtain a license before using the product in intended country of use Ensure respective cou...

Страница 3: ...h a 1 KHz 1 3 KHz tones 1 1ratio 75 kHz FM 0 05 Transient intermodulation distortion 3 18 kHz square wave 15 kHz sine wave 75 kHz FM 0 1 Stereo separation 30Hz 15kHz dB 50 RMS 75 kHz peak HPF 20Hz LPF 23 kHz 50 μS de emphasis L R demodulated dB 75 typical 78 Qpk 75 kHz peak CCIR weighted 50 μS de emphasis L R demodulated dB 67 Qpk 40 kHz peak CCIR weighted 50 μS de emphasis L R demodulated dB 61 F...

Страница 4: ...ng purpose Load Impedance Ohm 5 k Output Level Vpp 1 Interlock Connector BNC Input and output for remote power inhibition short is RF off Remote Interface Connector DB15F RDS optional Connector DB9 F RS232 optional Connector DB9 F MODEM optional Connector DB9 F Service optional Connector DB9 F Factory reserved for firmware program LAN optional Connector RJ45 IIC 5 analog digital inputs 5 analog di...

Страница 5: ...allation and Configuration Procedure 8 5 1 Installation 9 5 2 Management Firmware 17 6 Identification and Access to the Modules 27 6 1 Identification of the Modules 27 7 Principles of Operation 29 7 1 Panel board 29 7 2 Motherboard 29 7 3 Telemetry Board 30 7 4 Power Supply Block 30 7 5 Power Amplifier Block 30 7 6 Bias Board 31 7 7 Driver Board 31 8 Maintenance and Repair Procedures 32 8 1 Introd...

Страница 6: ... mode After setting the desired value press the ENTER button both in mechanical key and TouchScreen mode to confirm your choice 3 Set the output power via the PWR menu To edit one of the items select it with the or buttons the selected item is highlighted and then press the ENTER button both in mechanical key and TouchScreen mode To change the values simply use the or buttons and then confirm with...

Страница 7: ...ations and information given in this manual are provided for informational purposes only and may therefore be subject to change at any time without notice and should not be seen as binding to R V R Elettronica R V R Elettronica assumes no responsibility or liability for any errors or inaccuracies that may appear in this manual including the products and software described in it and reserves the ri...

Страница 8: ...3 in the absence of a heartbeat immediately begin heart massage Figure 4 by compressing the sternum approximately in the centre of the chest Figure 5 Figure 3 Figure 4 Figure 5 In the case of only one rescuer this person must maintain a rhythm of 15 compressions alternating with 2 quick breaths In the case of two rescuers the rhythm must be one breath every 5 compressions Do not interrupt heart ma...

Страница 9: ...uired The factory tolerances are Maximum rated output power 64 dBm 1 dB Minimum rated output power 54 dBm 1 dB Gain Not applicable the equipment is supplied without a radiant system which is the customer s responsibility The TEX2503TFT is designed to be contained in a 3HE 19 rack box 4 1 Unpacking The package contains the following 1 TEX2503TFT 1 Compliance Documentation 1 Power connector You can ...

Страница 10: ...at cables terminated by connectors This type of design facilitates maintenance operations and the possible replacement of modules The RF power section uses for the TEX2503TFT an LD MOS module capable of delivering up to 2500W with an efficiency of about 80 The working frequency is guaranteed by a reference oscillator that is temperature compensated and maintained by a PLL Phase Locked Loop system ...

Страница 11: ...on of the Front Panel ELETTRONICA TEX2503TFT LOCAL MUTE LOCK FOLD ON ENTER Figure 4 1 1 ON Green LED lit when the transmitter is power enabled 2 LOCK Green LED lit when the PLL is locked to the working frequency 3 FOLD Yellow LED lit when the limitation function intervenes foldback 4 MUTE Yellow LED lit when the transmitter is not delivering power because it is inhibited by an external interlock 5...

Страница 12: ...7 SCA2 BNC connector for unbalanced SCA2 input 8 SCA1 RDS Unbalanced SCA1 RDS input BNC connector 9 MPX Unbalanced MPX input BNC connector 10 MPX ADJ MPX input level adjustment trimmer 25 RIGHT ADJ Right input level adjustment trimmer 12 LEFT MONO ADJ Left mono input level adjustment trimmer 13 RIGHT XLR connector for the balanced audio input of the right channel 14 IMPEDANCE Dip switch to set the...

Страница 13: ...RDS Multifunction DB9 connector only with internal RDS option 32 AES EBU XLR connector for AES EBU digital audio input only with Digital Audio option 33 MAIN FUSE Fuse for mains power supply 4 5 Description of the Connectors 4 5 1 Left MONO Right Type XLR female 1 GND 2 Positive 3 Negative 4 5 2 Remote Type DB15 female Pin Name Type Meaning 1 Interlock IN Inhibits if power is closed to GND 2 Ext A...

Страница 14: ...onal safety Employers must provide their personnel with adequate training in electrical devices and ensure that they are familiar with the content of this manual Compliance with the safety instructions set out in this manual or with the legislation indicated does not relieve the personnel from the duty to also comply with other specific standards relating to the installation place country or other...

Страница 15: ...cause condensation If the place where this device is located should be subject to these physical events it is advisable to monitor the device once it is put into service in addition to trying to protect the device itself as best as possible IMPORTANT never power up the equipment in the presence of condensation This problem can occur more frequently in the case of equipment stored for a long time o...

Страница 16: ...peration due to forced ventilation The mounting surface must be able to withstand the weight of the device and must be solid Note below we will refer to a complete station of which the device can form a part The same procedures also apply if the device is used as a standalone one The device is generally connected inside a 19 rack and fixed with M5 screws in the designated holes The device must be ...

Страница 17: ...utlet at the rear of the equipment in which case ensure adequate ventilation of the room COLD HOT 50cm Alternatively it is cooled by forced ventilation and the air intake is located on the roof of the equipment Ahose approximately 1 5 metres in length is recommended COLD HOT 50cm ...

Страница 18: ...15 10 Vac A conductor section of at least 2 5 mm2 is recommended Internal connector wiring Note to ensure the safety of the operators prepare the wiring according to the laws and regulations in the country where this equipment is installed Check that the POWER switch on the front panel of the TEX2503TFT is in the OFF position Connect the network cable to the appropriate MAINS socket on the rear pa...

Страница 19: ... hit the surrounding ground up to several kilometres Provide internal protection against disturbances on the distribution line such as EMI filters or line voltage stabilizers to be installed by qualified personnel in the distribution panel which can filter disturbances caused by electrical equipment and sudden surges on the line as well as permit voltage control 5 1 4 Audio and RF connections Prep...

Страница 20: ... is earthed and properly connected to the equipment 5 1 5 Initial start up and setting of operation For initial start up follow the procedure below Note RF EXPOSURE SAFETY DISTANCE only for FCC IC RF Exposure Limits for the United States of America according to FCC regulation Set the output power of the unit to maximum to ensure the exposure limits stated in this document The gain of the antenna u...

Страница 21: ...tions such as temperature reflected power and other parameters Please read the section on RF power feedback Access the PWR menu and use the touchscreen or keys and to adjust the output power of the equipment in steps of 1 considering that the forward power value indicated on the display Forward provides the real reading of the output power Note If the output power does not match the set value some...

Страница 22: ...justing the sensitivity level of the inputs keep in mind that the menu shows the instantaneous modulation level For correct adjustment it is therefore advisable to apply to the input a dBm signal with a level equal to the entered dBu level To adjust the levels of the inputs of the sub carriers a similar procedure can be used using the option x10 that can be selected in the MIX menu With this optio...

Страница 23: ...all view of the menus is given in figure 5 2 Power Menu Menu 2 Menu 3 Selection Screen Menu 1 Default Menu Frequency Menu Menu 4 Audio Menu Menu 5 Amplifier Menu Menu 6 Real Time Clock Menu Menu 7 Frequency shift keying Menu Menu 8 Miscellaneous menu Menu 9 Version Menu Menu 10 Figure 5 2 5 2 1 Default Menu and Selection Screen Power on the transmitter The TFT display will show a first initializat...

Страница 24: ...creen menu 2 from which it is then possible to access all the other menus Menu 2 To enter one of the menus select the name with the or buttons the selection is highlighted and then press the ENTER button in mechanical key mode or press the item directly on the display in TouchScreen mode If you want to go back to the default menu menu 1 simply press the ESC button again both in mechanical key and ...

Страница 25: ...change the values simply use the or buttons and then confirm with ENTER or cancel with ESC both in mechanical key and TouchScreen mode At any time it is possible to return to the selection screen menu 2 by pressing the ESC button both in mechanical key and TouchScreen mode or after one minute of inactivity the selection will remain set to the previous value Menu 3 Forward Shows the forward power R...

Страница 26: ...return to the selection screen menu 2 by pressing the ESC button both in mechanical key and TouchScreen mode or after one minute of inactivity the selection will remain set to the previous value Menu 4 Frequency Adjustment of the set frequency 5 2 4 Audio menu AUD This menu allows you to read and set the parameters relating to the audio section To change the value simply use the or buttons and the...

Страница 27: ...ulation expressed in kilohertz kHz AdjM Adjustment of the input level of the MPX channel in decibels dBu relative to a 75 kHz modulation ChR Shows the level of the right channel expressed as a percentage AdjR Adjustment of the input level of the right channel expressed in decibels dBu relative to a modulation of 75 kHz ChL Shows the level of the left channel expressed as a percentage AdjL Adjustme...

Страница 28: ...ection expressed in Ampere Eff Shows the efficiency as the ratio between the forward power and the power absorbed by the RF section expressed as a percentage FWD Vpa x Ipa Temp Shows the internal temperature reading of the equipment expressed in degrees Centigrade Ip 1 Shows the current absorbed by the amplifier module 1 expressed in Ampere Ip 2 Shows the current absorbed by the amplifier module 2...

Страница 29: ...mode After setting the desired value press the ENTER button both in mechanical key and TouchScreen mode to confirm your choice At any time it is possible to return to the selection screen menu 2 by pressing the ESC button both in mechanical key and TouchScreen mode or after one minute of inactivity the selection will remain set to the previous value Menu 7 Time Setting of the hour and minutes on t...

Страница 30: ... one minute of inactivity the selection will remain set to the previous value Menu 8 FSK Enable ON or disable OFF the FSK function CODE Setting the Morse code sent 5 2 8 Miscellaneous Menu MIX This menu allows you to set the address of the device for the serial bus connection type I2 C To modify the value simply use the or buttons and then confirm with ENTER or cancel with ESC in mechanical key mo...

Страница 31: ...e output power drops below the set Power Good threshold value the device changes the state of pin 7 of the DB15 Remote connector on the rear panel PgR Adjustment of the Power Good threshold relating to the reflected power The percentage value of Power Good refers to the nominal power of the device 250 W for the TEX2503TFT respectively not to the reflected power delivered So if you set a value equa...

Страница 32: ...rsion of the device At any time it is possible to return to the selection screen menu 2 by pressing the ESC button both in mechanical key and TouchScreen mode or after one minute of inactivity Menu 10 Rel Shows the firmware release Dat Shows the Release date Tab Shows the configuration table loaded in the memory ...

Страница 33: ...6 1 1 TEX2503TFT Top view The figure below shows the top view of the device indicating the various components figure 8 1 1 Panel Block 2 Fan 3 BIAS Card 4 Pass Through Card 5 Fuse Card 6 Combiner Card 7 R F Card 8 Splitter Card 9 BIAS Interface Card 10 Driver Card 11 Audio Block contains Main Board Stereo Coder Card Clipper Card 15kHz Audio Filter Card 12 Surge Protection Block 13 Directional Coup...

Страница 34: ...al Rev 1 0 04 12 20 TEX2503TFT 6 1 2 TEX2503TFT Bottom view The figure below shows the bottom view of the device indicating the various components figure 8 2 1 Telemetry Card 2 Auxiliary Power Supply 3 Interface Card ...

Страница 35: ...on of the functions of each module is given below and the complete diagrams and layouts of the boards can be found in the TechnicalAppendix Vol 2 7 1 Panel board The panel board contains the microcontroller that implements the control and management software of the device the display and the other elements needed to interface with the user The board interfaces with the other modules of the device ...

Страница 36: ... with an RVR amplifier this connector is connected via a BNC BNC connector to the REMOTE or INTERLOCK of the power amplifier In case of amplifier faults the central conductor is grounded forcing the equipment to enter stand by mode 7 4 Power Supply Block The TEX2503TFT power supply provides the two main power supplies 1 Services This voltage powers elements that do not directly affect the power su...

Страница 37: ...the output power level according to the setting Reduction of the power delivered in the presence of high levels of reflected power Measurement of the current absorbed by the power amplifier Temperature measurement In the absence of alarm conditions the voltage is regulated only according to the set output power controlled by the automatic levelling control ALC Voltage is also affected by other fac...

Страница 38: ... the device and make sure you have closed them all before restarting the device Be sure to disconnect the amplifier from the mains before proceeding with any maintenance on the system 8 3 Ordinary maintenance The only regular maintenance required for the TEX2503TFT is periodic replacement of the fans and cleaning to remove dust in the air filter and any traces inside the amplifier The frequency of...

Страница 39: ...ants with respect to the basic version to be requested when ordering For more information about the options refer to the respective instruction manuals 9 1 Option AUDIGIN TFT Digital Input Left MONO Right Type TOS LINK Female Type XLR Female 1 GND 2 Positive 3 Negative 9 2 Option RDS TEX E 3HE ...

Страница 40: ...v 1 0 04 12 20 TEX2503TFT Service RDS Type DB9 Female 1 GND 2 RS232 TX 3 RS232 RX 4 NC 5 GND 6 NC 7 NC 8 RDS CARRIER OUT 9 PILOT IN 9 3 Option TLW TFT E 3HE Ethernet Type RJ45 Female 1 TX 2 TX 3 RX 4 NC 5 NC 6 RX 7 NC 8 NC ...

Страница 41: ..._____________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________...

Страница 42: ..._____________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________...

Страница 43: ..._____________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________...

Страница 44: ...06 Fax 39 051 6011104 e mail info rvr it web http www rvr it The RVR Logo and others referenced RVR products and services are trademarks of RVR Elettronica in Italy other countries or both RVR 1998 all rights reserved All other trademarks trade names or logos used are property of their respective owners ...

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