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R.V.R. Elettronica TEX50LCD/S User Manual

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TEX50LCD/S
TEX50LCD/S
USER MANUAL
VOLUME1
Manufactured by R.V.R ELETTRONICA S.r.l. Italy

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Summary of Contents for R.V.R. Elettronica TEX50LCD/S

  • Page 1 TEX50LCD/S TEX50LCD/S USER MANUAL VOLUME1 Manufactured by R.V.R ELETTRONICA S.r.l. 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

    TEX50LCD/S ELETTRONICA Technical Specifications TEX50LCD/S 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...
  • Page 4 TEX50LCD/S ELETTRONICA 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

    TEX50LCD/S ELETTRONICA 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 TEX50LCD/S ELETTRONICA This page was intentionally left blank User Manual Rev. 2.2 - 24/03/23...

  • 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

    TEX50LCD/S 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: 37 dBm ±1 dB - Gain: Not Applicable (the equipment is supplied without a radiant system, that shall be borne by the customer). The TEX50LCD/S are designed to being contained into a 19” rack box of 2HE. 4.1 Unpacking The package contains:  1 TEX50LCD/S...

  • Page 10: Features

    The RF power section of the TEX50LCD/S features a MOSFET module delivering up to 50W output power. Operating frequency stability is ensured by a temperature-compensated reference oscillator and is maintained by a PLL (Phase Locked Loop) system.

  • Page 11: Frontal Panel Description

    TEX50LCD/S ELETTRONICA The rear panel features the mains input connectors, as well as audio input connectors and RF output connector, telemetry connector, protection fuses and two inputs for signals modulated onto subcarriers by suitable external coders, such as RDS (Radio Data System) signals commonly used in Europe.

  • Page 12: Rear Panel Description

    TEX50LCD/S ELETTRONICA 4.4 Rear Panel Description [1] PLUG VDE plug for mains supply. [2] FAN Fan for the forced ventilation of the exciter. [3] R.F. OUTPUT RF output connector, N-type, 50Ω. [4] PHASE ADJ Phase adjustment trimmer. [5] PILOT LVL Pilot tone adjustment trimmer.

  • Page 13: Connectors Description

    TEX50LCD/S 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

    TEX50LCD/S 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

    TEX50LCD/S 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

    TEX50LCD/S ELETTRONICA TEX50LCD/S @ 90÷260 Vac Mains fuses (1x) 3.15A tipo 5x20 Table 5.1: Fuses 5.1.3 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 TEX50LCD/S 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 Rack power supply connections Provide for the following (applicable to operating tests and putting into service): √ Mains power supply full range 80 ÷ 260 VAC full-range for TEX50LCD/S, both with adequate earth connection. √ For operating tests only: dummy load with 50 Ohm impedance and adequate capacity (50W as a minimum for TEX50LCD/S).
  • Page 19 TEX50LCD/S 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 5.1.4 Device power supply connections Provide for the following (applicable to operating tests and putting into service): √ Mains power supply full range 80 ÷ 260 VAC full-range for TEX50LCD/S, both with adequate earth connection. √ For operating tests only: dummy load with 50 Ohm impedance and adequate capacity (50W as a minimum for TEX50LCD/S).
  • Page 21 TEX50LCD/S 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 Connect the amplifier INTERLOCK OUT output to the matching INTERLOCK IN input fitted on all R.V.R. Elettronica exciters as standard; if your exciter is a different brand, identify an equivalent input.
  • Page 23 TEX50LCD/S ELETTRONICA persons should maintain a minimum separation distance of 199,47 cm for general uncontrolled exposure and general controlled exposure. RF Exposure Limits for Canada, according to IC regulation: setting to the maximum of the output power of the apparatus, to guarantee the limits of...
  • Page 24 TEX50LCD/S ELETTRONICA 5.1.6.4 Output power level control Note: The exciter incorporates Automatic Gain Control (AGC) and output power is modulated based on the power level set by the user and actual operating conditions, such as temperature, reflected power and other parameters. Please read section 5.3 for more details of RF power modulation.

  • Page 25: Operation

    TEX50LCD/S ELETTRONICA When setting input sensitivity, please consider that the default menu reports instantaneous modulation level and an indicator provides a 75 kHz reading. To ensure correct adjustment, apply a signal with the same level as user’s audio broadcast maximum level and then adjust using the trimmer until instantaneous deviation matches the 75 kHz reading.
  • Page 26 TEX50LCD/S 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 (50 W for TEX50LCD/S); 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 TEX50LCD/S 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 TEX50LCD/S 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 [7] of the DB15 “Remote” connector located on the rear panel. Modifies Power Good threshold for reflected power. The Power Good rate is a percent of equipment rated power (5 W for TEX50LCD/S), not of reflected output power. This means that this threshold set at 5% will give 0,25 W regardless of set power level.
  • Page 31 TEX50LCD/S 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 TEX50LCD/S 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 exciter 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 TEX50LCD/S using a standard Male DB9 - Female DB9 serial cable. • Power on the exciter;...

  • Page 35: Identification And Access To The Modules

    ELETTRONICA 6. Identification and Access to the Modules 6.1 Identification of the Modules The TEX50LCD/S 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 TEX50LCD/S Upper view The figure below shows the equipment upper view with the various components pointed out.

  • Page 36: Working Principles

    TEX50LCD/S 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 37: Telemetry Board

    7.4 Power Supply The TEX50LCD/S power supply unit is a switching-type unit whose +28 V main output powers the machineÌs RF amplifier. The power supply also features stabilizers for generating continuous +5 V and +18 V voltages for supplying the other equipment circuits.

  • Page 38: Control Board

    TEX50LCD/S 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 39: 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 TEX50LCD/S is the periodic blower replacement and dust cleaning of the air filter and of any trace of it inside the amplifier.

  • Page 40: Module Substitutions

    Only authorized and qualified technical personnel must be proceed with the replacement of the component parts in the relevant device. 8.4.1 How to replace the power supply Open the top cover of TEX50LCD/S by unscrewing all the screws. • •...
  • Page 41 TEX50LCD/S ELETTRONICA Disconnect all the connectors at positions B. • • Unscrew all the points C with the help of a slotted screwdriver. • Remove the amplifier module and replace it with a new spare part. • Redo all previously steps, performed in reverse, in order to reassemble and fix the module in place.
  • Page 42 • Open the top cover of TEX50LCD/S by unscrewing all the screws. • Identify the module to be replaced. • Unscrew the seven screws A on the rear panel of the TEX50LCD/S. / 46 User Manual Rev. 2.2 - 24/03/23...
  • Page 43 TEX50LCD/S ELETTRONICA Unscrew all screws B on the motherboard cover box. • • Disconnect the connector C and unscrew the RF connector D. • Remove the main board and replace it with a new spare part. • Redo all previously steps, performed in reverse, in order to reassemble and fix the module in place.
  • Page 44 TEX50LCD/S ELETTRONICA 8.4.4 How to replace the panel board Unscrew the four screws A on the front panel of the TEX50LCD/S. • • Disconnect all the connectors B. • Remove the panel board and replace it with a new spare part.

  • Page 45: Audigin-Tex Option

    TEX50LCD/S ELETTRONICA 9. Option This section displays views on the variants compared to the basic version to be requested in the order. NOTE: For more information about the options, rely on the respective user manuals. IMPORTANT: All options must be requested at the time of order to be installed and tested together with the apparatus.

  • Page 46: Rds-Tex2He & /Rds-Tex-E-2He Option

    TEX50LCD/S ELETTRONICA 9.2 /RDS-TEX2HE & /RDS-TEX-E-2HE option Integrated RDS encoder. 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 / 46 User Manual...

  • Page 47: Tlc-Tex2He Option

    TEX50LCD/S ELETTRONICA 9.3 /TLC-TEX2HE option Integrated serial telemetry with the possibility of an external modem. RS232 Bus Modem Type: DB9 Female Type: DB9 Female 1 NC 1 NC 2 TX_D 2 NC 3 RX_D 3 NC Internally connected with 5 GND...

  • Page 48: Tlm-Tex-E-2He Option

    TEX50LCD/S ELETTRONICA 9.4 /TLM-TEX-E-2HE option Telemetry with integrated modem. RS232 Bus Modem Type: DB9 Female Type: DB9 Female 1 NC 1 NC 2 TX_D 2 TX_D 3 RX_D 3 RX_D Internally connected with 5 GND 5 GND Internally connected with...

  • Page 49: Tlw-Tex-E-2He Option

    TEX50LCD/S ELETTRONICA 9.5 Opzione /TLW-TEX-E-2HE option Telemetry with integrated LAN. Ethernet Type: RJ45 Female 1 TX+ 2 TX- 3 RX+ 4 NC 5 NC 6 RX- 7 NC 8 NC User Manual / 46 Rev. 2.2 - 24/03/23...

  • Page 50: Tlw-Tex2He Option

    TEX50LCD/S ELETTRONICA 9.6 /TLW-TEX2HE option Telemetry with integrated LAN with the possibility of an external modem. RS232 Bus Modem Type: DB9 Female Type: DB9 Female 1 NC 1 NC 2 TX_D 2 NC 3 RX_D 3 NC Internally connected with...

  • Page 51: Rtc-Tex Option

    TEX50LCD/S ELETTRONICA 9.7 /RTC-TEX option The /RTC-TEX hardware option replaces the electronic panel with a version that includes an integrated clock and allows you to enable two daily power changes at pre-established and programmable times with weekly programming. 9.8 /FW2 option (only software) The /FW2 software option modifies the protocol on the RS232 connector, to allow the use of an ASCII type man-machine interface.
  • Page 52 TEX50LCD/S ELETTRONICA This page was intentionally left blank / 46 User Manual Rev. 2.2 - 24/03/23...
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  • Page 56 R.V.R Elettronica S.r.l. Via del Fonditore 2 / 2c 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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