R.V.R. Elettronica TEX702LCD User Manual
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R.V.R. Elettronica TEX702LCD User Manual

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TEX702LCD
TEX702LCD
USER MANUAL
VOLUME1
Manufactured by R.V.R ELETTRONICA Italy

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Summary of Contents for R.V.R. Elettronica TEX702LCD

  • Page 1 TEX702LCD TEX702LCD USER MANUAL VOLUME1 Manufactured by R.V.R ELETTRONICA Italy...
  • Page 2 Limitations of use can apply in respect of operating freuency, transmitter power and/or channel spacing. Declaration of Conformity Hereby, R.V.R. Elettronica, declares that this FM transmitter is in complian- ce with the essential requirements and other relevant provisions of Directive 2014/53/EU.

  • Page 3: Technical Specifications

    TEX702LCD Technical Specifications TEX702LCD Parameters U.M. Value Notes GENERALS Frequency range 87.5 ÷ 108 Rated output power Continuously variable by software from 0 to maximum Modulation type F3E Direct carrier frequency Operational Mode Mono, Stereo, Multiplex Working temperature °C -5 to + 50...
  • Page 4 TEX702LCD AUDIO INPUTS Connector XLR F Type Balanced Left / Mono Impedance 10 k or 600 Selectable by rear panel dip switches Input Level /Adjust -13 to +13 continuosly variable Connector XLR F Type Balanced Right Impedance 10 k or 600...

  • Page 5: Table Of Contents

    TEX702LCD Table of Contents Preliminary Instructions Warranty First Aid Treatment of electrical shocks Treatment of electrical Burns General Description Unpacking Features Frontal Panel Description Rear Panel Description Connectors Description Installation and use Installation Operation Management Firmware Optional Function Identification and Access to the Modules...
  • Page 6 TEX702LCD This page was intentionally left blank User Manual Rev. 2.1 - 06/07/20...

  • Page 7: Preliminary Instructions

    2. Warranty La R.V.R. Elettronica warrants this product to be free from R.V.R. Elettronica shall not be liable for injury to persons or defects in workmanship and its proper operation subject to the limitations set forth in the supplied Terms and Conditions.

  • Page 8: First Aid

    TEX702LCD ELETTRONICA Units returned without a return authorisation may • Do not stop chest compressions while giving be rejected and sent back to the sender. artificial breathing. Be sure to include a detailed report mentioning all • Call for medical help as soon as possible.

  • Page 9: General Description

    - Minimum Output Rated Power: 49 dBm ±1 dB - Gain: Not Applicable (the equipment is supplied without a radiant system, that shall be borne by the customer). The TEX702LCD are designed to being contained into a 19” rack box of 2HE. 4.1 Unpacking The package contains:  1 TEX702LCD...
  • Page 10 PLL (Phase Locked Loop) system. The transmitters will go into frequency lock within 30 seconds after power-on. The TEX702LCD can operate throughout the frequency bank with no need for calibration or set-up. An LCD on the front panel and a push-button board provide for user interfacing with the microprocessor control system, which offers the following features: •...

  • Page 11: Frontal Panel Description

    TEX702LCD ELETTRONICA 4.3 Frontal Panel Description [1] AIR FLOW Air flow for the forced ventilation. [2] ON Green LED, lit when the transmitter is working. [3] LOCK Green led, lit when the PLL is locked on the working frequency. [4] FOLDBACK Yellow LED, lit when the foldback function is operating (automatic reduction of the delivered RF power).

  • Page 12: Rear Panel Description

    TEX702LCD ELETTRONICA 4.4 Rear Panel Description [1] PLUG VDE plug for mains supply. [2] FAN Fan for the forced ventilation of the transmitter. [3] R.F. OUTPUT RF output connector, N-type, 50Ω. [4] PHASE ADJ Pilot tone phase adjustment trimmer. [5] PILOT LVL BNC output for the pilot tone.

  • Page 13: Connectors Description

    TEX702LCD ELETTRONICA [31] RFL EXT. AGC Trimmer for automatic gain control based on external signal of reflected power. [32] FWD EXT. AGC Trimmer for automatic gain control based on external signal of forward power. [33] RS232 Not used. [34] REMOTE DB15 connector for telemetry of the machine.

  • Page 14: Installation And Use

    TEX702LCD ELETTRONICA 5. Installation and use This section provides a step-by-step description of equipment installation and configuration procedure. Follow these procedures closely upon first power-on and each time any change is made to general configuration, such as when a new transmission station is added or the equipment is replaced.

  • Page 15: Preliminary Requirements

    TEX702LCD ELETTRONICA 5.1 Preparation 5.1.1 Preliminary Requirements The equiment ventilation and the work space must be suitable for maintenance operations according to the directive in force in the country in which this device is installed. It is necessary to leave a minimum distance of 50 cm on the front and back sides of the device to have a proper functioning and to facilitate air circulation through the ventilation grids.

  • Page 16: Placement Of Equipment

    TEX702LCD ELETTRONICA TEX702LCD @ 90÷260 Vac Mains fuses (1x) 8A tipo 5x20 Table 5.1: Fuses 5.1.2 Placement of equipment Useful tips for a correct installation: • Do not use in presence of external elements near inlets and outlets ventilation systems, as they could prevent a proper ventilation of the device.
  • Page 17 TEX702LCD ELETTRONICA The transmitter normally have the outlet air in the back of machine. In this case, provide adequate ventilation of the room. COLD 50cm In alternative is cooled by forced ventilation and the air outlet is located on the roof of machine.
  • Page 18 TEX702LCD, both with adequate earth connection. √ For operating tests only: dummy load with 50 Ohm impedance and adequate capacity (700W as a minimum for TEX702LCD). Connect the overall power cord of machine. The cable can be slid through the cable gland located on the back, or on the roof, of the machine and conductors must be attached to the general disconnecting switch terminals.
  • Page 19 TEX702LCD ELETTRONICA N PE If transmitter require three-phase power with 3F (black, brown and grey) + N (blue) + GND (green yellow), keep in mind this requirement to connect to your distribution board. N PE Note: the mains must be equipped with adequate earth connection properly connected to the equipment.
  • Page 20 Note: to ensure the safety of the operators, carry out the wiring according to the laws and regulations in force in the country where this equipment is installed. Check that the POWER switch on the front of TEX702LCD is in the “OFF” position.
  • Page 21 TEX702LCD ELETTRONICA Note: to ensure both the safety of the operators and the correct functioning of the apparatus, it is essential that the network system is grounded, and that it is properly connected to the equipment. Useful tips for a correct connection: •...
  • Page 22 Ensure that the POWER switch on the front panel of TEX702LCD is set to “OFF”. The transmitter has two switches: one is embedded in VDE socket for mains power cord and interrupts all mains power supply of the machine, while the second is on the front panel and acts by inhibiting the switching power supply of the machine.
  • Page 23 TEX702LCD ELETTRONICA 5.1.5 First power-on and setup Perform this procedure upon first power-up and each time you make changes to the configuration of the transmitter this component is integrated into. Note : Standard factory settings are RF output power off (Pwr OFF) and regulated output power set to upper limit (unless otherwise specified by customer).
  • Page 24 TEX702LCD ELETTRONICA W) reflects actual output power reading, which may be lower than regulated power supply when Automatic Gain Control is running in power supply limitation mode (please read section 5.3 about RF power supply modulation for more details). Note: Output power may be set using the Pwr OFF control. In this condition, the output power readout (Fwd) on the display will read 0 (zero);...

  • Page 25: Operation

    TEX702LCD ELETTRONICA To set subcarrier input levels, you may use the same procedure and option “x10” available in the Fnc menu. With this option, modulation level is multiplied by a factor of 10, which means that default menu bar meter reflects a 7.5 kHz deviation.
  • Page 26 TEX702LCD ELETTRONICA The screen that is shown is similar to the following: Menu 2 NOTE: It is advisable to write down the password set, if you forget the password it is not possible to recover it automatically. To recover the password, contact Customer Service by sending the alphanumeric PUK code of 6 characters generated automatically when entering the password.

  • Page 27: Management Firmware

    WARNING: Equipment is capable of delivering more than rated output power (700 W for TEX702LCD); however, never exceed the specified power rating. NOTE: If power is set to 0 W in the Power Setup Menu, the INTERLOCK OUT contact is activated and any external appliances connected to it are immediately inhibited.
  • Page 28 TEX702LCD ELETTRONICA Menù 1 Predefined menu Menu 2 Menù 2 Password menu Power Adjustment Menu Menu 3 Selection Menu Menu 4 Operation Menu Menu 5 Power Menu Menu 6 Power Amplifier Menu Menu 7 Settings Menu Menu 8 Miscellaneous Menu...
  • Page 29 TEX702LCD ELETTRONICA As soon as operating conditions are restored, power output is re-enabled with the same settings in use prior to the alarm condition. Under 20kHz, no modulation occurs. After a preset time of about 5 minutes (not editable), a NO AUDIO condition is indicated in the main screen, but power is not inhibited.
  • Page 30 Modifies Power Good threshold for forward power. The Power Good rate is a percent of equipment rated power (700 W for TEX702LCD), not of forward output power. This means that this threshold set at 50% will give 350 W regardless of set power level.
  • Page 31 TEX702LCD ELETTRONICA 5.3.3 Power Amplifier (P.A) Menu This screen is made up of four lines that can be scrolled using the buttons and shows the readings relating to final power stage: Menu 7 Note that these are readings, rather than settings, and cannot be edited (note the empty arrow).
  • Page 32 TEX702LCD ELETTRONICA 5.3.5 Miscellaneous Menu (Mix) This menu lets you set equipment address in an I C bus serial connection: Menu 9 C address setting. The I2C network address becomes significant when the transmitter is connected in an RVR transmission system that uses this protocol.

  • Page 33: Optional Function

    NOTE: This function is typically used in the USA. The factory setting for frequency shift is +10KHz and code repetition period is 60 minutes (please contact R.V.R. Elettronica if you need different settings), whereas station identified may be programmed by the user following the indications provided in section below.
  • Page 34 A brief description of the procedure is provided below: • Connect the PC serial port COM to the SERVICE connector on the rear panel of TEX702LCD using a standard Male DB9 - Female DB9 serial cable. • Power on the transmitter;...

  • Page 35: Identification And Access To The Modules

    ELETTRONICA 6. Identification and Access to the Modules 6.1 Identification of the Modules The TEX702LCD is made up of various modules linked to each other through connectors so as to make maintenance and any required module replacement easier. 6.1.1 TEX702LCD Upper view The figure below shows the equipment upper view with the various components pointed out.

  • Page 36: Spare Parts

    TEX702LCD ELETTRONICA 6.2 Spare parts The list below identifies the spare parts codes for a simple replacement of modules in case of maintenance. Spare Parts Name Spare Parts Code Switching power supply KPSL4424 RF final control card SP-BIA175A RF final section...

  • Page 37: Working Principles

    TEX702LCD ELETTRONICA 7. Working Principles 7.1 Panel board The panel board contains the microcontroller (PIC18F452) that implements the equipment control software, the display and the other components needed to interface with the user. The board is connected with the other machine modules, both for power supply distribution and for the control and measures.

  • Page 38: Telemetry Board

    7.4 Power Supply The TEX702LCD power supply unit is a switching-type unit whose +45 V main stabilizers for generating continuous +5 V, +18 V and -18 V voltages for supplying the other equipment circuits. Note that the power supply is a “direct from mains”...

  • Page 39: Control Board

    TEX702LCD ELETTRONICA 7.6 Control Board The main function of this board is to check and correct the MOSFET polarization voltage of the RF amplifier section. It also provides the measurement of the absorbed current and contains a circuit for signaling power supply unit faults.

  • Page 40: Maintenance And Repair Procedures

    Be sure to disconnect the amplifier’s mains supply before proceeding to any maintenance operation on the system.. 8.3 Ordinary maintenance The only regular maintenance required on the TEX702LCD is the periodic blower replacement and dust cleaning of the air filter and of any trace of it inside the amplifier.

  • Page 41: Power Up/Down Option (Only Software)

    TEX702LCD ELETTRONICA 9. Option This section displays views on the variants compared to the basic version to be requested in the order. For more information about the options, rely on the respective user manuals. 9.1 Power UP/DOWN Option (only software) The Power UP/DOWN option modifies the signal receive function for the signals present at the telemetry connector.
  • Page 42 TEX702LCD ELETTRONICA This page was intentionally left blank / 36 User Manual Rev. 2.1 - 06/07/20...
  • Page 43 ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________...
  • Page 44 R.V.R Elettronica Via del Fonditore, 2 / 2c Zona Industriale Roveri · 40138 Bologna · Italy Phone: +39 051 6010506 · 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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