1. Manuals
  2. Brands
  3. R.V.R. Elettronica Manuals
  4. Amplifier
  5. TEX2000LCD
  6. User manual

R.V.R. Elettronica TEX2000LCD User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

TEX2000LCD
User Manual
Volume 1
Manufactured by
Italy

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the TEX2000LCD and is the answer not in the manual?

Questions and answers

Related Manuals for R.V.R. Elettronica TEX2000LCD

Summary of Contents for R.V.R. Elettronica TEX2000LCD

  • Page 1 TEX2000LCD User Manual Volume 1 Manufactured by Italy...
  • Page 2 Editor 13/10/2008 First Edition J. H. Berti 09/10/2009 Minor Corrections J. H. Berti TEX2000LCD - User Manual Version 1.1 © Copyright 2008-209 R.V.R. Elettronica SpA Via del Fonditore 2/2c - 40138 - Bologna (Italia) Telephone: +39 051 6010506 Fax: +39 051 6011104 Email: info@rvr.it...

  • Page 3: Table Of Contents

    TEX2000LCD Table of Contents Preliminary Instructions Warranty First Aid 3.1 Treatment of electrical Shocks 3.2 Treatment of electrical Burns Unpacking 4.1 General Description Installation and configuration procedure 5.1 Preparation 5.2 First power-on and setup 5.3 Operation 5.4 Management Firmware 5.5 Optional Functions 6.
  • Page 4 TEX2000LCD This page was intentionally left blank Rev. 1.2 - 21/01/11 User Manual...

  • Page 5: 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 6: First Aid

    TEX2000LCD units returned without a return authorisation may be • Do not stop chest compressions while giving artificial breathing. rejected and sent back to the sender. Be sure to include a detailed report mentioning all • Call for medical help as soon as possible.

  • Page 7: Unpacking

    RF output up to 2000 W, respectively, under 50 Ohm standard load. TEX2000LCD have been designed for installation in a 3HE box for 19” rack. These transmitters incorporate a low-pass filter to keep harmonics below the limits provided for by international standards (CCIR, FCC or ETSI) and can be connected directly to the antenna.
  • Page 8 TEX2000LCD • Power output enable/disable. • Power Good feature (User-selectable output power alarm threshold). • Measurement and display of transmitter operating parameters. • Communication with external devices such as programming or telemetry systems via RS232 serial interface or I2C. Four LEDs on the front panel provide the following status indications: ON, LOCK, FOLDBACK and RF MUTE.

  • Page 9: Installation And Configuration Procedure

    TEX2000LCD Installation and configuration procedure 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 10 TEX2000LCD 5.1.2 Mains power supply Warning: Disconnect mains power supply before beginning these procedures. Both power supply units (please see section 8.1 for a detailed description) are equipped with fuses. All mains power supply protection fuses are conveniently located on the rear panel and are easily accessed (see figure 6.2): to check or replace a fuse, disconnect...
  • Page 11 Connect the transmitter INTERLOCK IN input to the matching INTERLOCK OUT output fitted on R.V.R. Elettronica equipment to act as hybrid couplers. If your equipment is a different brand, identify an equivalent output.

  • Page 12: First Power-On And Setup

    TEX2000LCD 5.2 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 13 TEX2000LCD 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 14 TEX2000LCD Input sensitivity in Stereo mode: Input Figure 6.2 Trimmer Sensitivity Note [10] [12] -13 ÷ +13 dBu Input level for 75 kHz deviation (0 dB) SCA1 [13] - 8 ÷ +13 dBu Input level for 7,5 kHz deviation (-20 dB)

  • Page 15: Operation

    TEX2000LCD 5.3 Operation 1) Power on the exciter and ensure that the ON light turns on. Equipment name should appear briefly on the display, quickly followed by modulation and forward power readings (Menu 1), provided that the exciter is delivering output power.

  • Page 16: Management Firmware

    TEX2000LCD 2) Ensure that the equipment is not in a locked-out state. Press ESC to call up the sselection screen (menu 3). Highlight Fncand press ENTER to confirm and access the selected menu (menu 4). If PWR is set to OFF, i.e. power output is disabled, move cursor to PWR. Press ENTER and label will switch to ON, i.e.
  • Page 17 TEX2000LCD Menu 2 Menu 2 Menu 1 Menu 1 Predefined menu Power Adjustment Menu Menu 3 Menu 3 Selection Menu Menu 4 Menu 4 Operation Menu Menu 5 Menu 5 Power Menu Menu 6 Menu 6 Power Amplifier Menu Menu 7...
  • Page 18 TEX2000LCD 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 19 TEX2000LCD 75 kHz. This display mode is convenient when you wish to display low deviation levels, such as those caused by pilot tone or subcarriers. Modifies Power Good threshold for forward power. The Power Good rate is a percent of equipment rated power, that is 2000W, not of forward output power.
  • Page 20 TEX2000LCD Menu 6 Note that these are readings, rather than settings, and cannot be edited (note the empty arrow). Volt age supplied by amplifier module. Current draw of amplifier module. Efficiency based on ratio of forward power to amplifier module power, in percent ( FWD PWR/(Vpa x Ipa) % ).

  • Page 21: Optional Functions

    Optional functions can be added and/or modified for the equipment described in this manual. The available functions are carried in the continuation and can be requested to R.V.R. Elettronica at the moment of the order. User Manual Rev. 1.2 - 21/01/11...
  • Page 22 By factory the amplitude of the frequency shifts is +10 KHz and the time lag of the code repeat is 60 minutes (for values different from these parameters, please contact R.V.R. Elettronica SpA). As regards the Radio code, it can be set by the user following the indications described in chapter 5.5.1.1.
  • Page 23 TEX2000LCD • Connect a standard serial cable (DB9 Male - DB9 Female) the COM serial port place on PC to SERVICE connector placed on the rear panel of the TEX2000- LCD. • Turn on the exciter; • Start up the serial communication software;...

  • Page 24: External Description

    TEX2000LCD 6. External Description This chapter reports the elements of the front and rear panels of the TEX2000LCD with a brief description of each of them. 6.1 Frontal Panel Figure 6.1 [1] ON Green LED - lit when the exciter is working.

  • Page 25: Rear Panel

    TEX2000LCD 6.2 Rear panel Figure 6.2 [1] AIR FLOW Air flow for the forced ventilation. [2] EXT REF 10MHz Reserved for future implementations. [3] PILOT LEVEL Pilot tone level adjustment trimmer. [4] PHASE ADJ Pilot tone phase adjustment trimmer. [5] 19 kHz PILOT OUT BNC output for the 19 kHz pilot tone.

  • Page 26: Connectors Description

    TEX2000LCD [30] REMOTE DB15 connector for telemetry of the machine. [31] LEFT ADJ Adjustment trimmer for the Left channel level input. [32] LEFT XLR connector, balanced Left channel input. [33] FUSE 2 Fuse for mains power supply (chap. 5.1 - Table 1).
  • Page 27 TEX2000LCD 6.3.4 Remote Type: Female DB15 Pin Name Type Meaning Interlock By passes power if closed at GND Ext AGC FWD Ext. signal,1-12V, for forward power limitation (AGC) Ground SDA IIC IIC communication serial data VPA Tlm ANL OUT PA power supply voltage: 3.9V F.S.

  • Page 28: Technical Specifications

    TEX2000LCD 7. Technical Specifications TEX2000LCD Parameters Conditions U.M. Value Notes GENERALS Frequency range 87.5 ÷ 108 Rated output power 2000 Continuously variable by software from 0 to maximum Modulation type Direct carrier frequency modulation Operational Mode Mono, Stereo, Multiplex AC Supply Voltage Mains input voltage range 230 ±15%...
  • Page 29 TEX2000LCD Parameters Conditions U.M. Value Notes POWER REQUIREMENTS AC Supply Voltage 230 ±15% (*) Full range (**) Internal switch AC Apparent Power Consumption 2620 AC Power Input Active Power Consumption 2600 Power Factor 0,99 Connector morsettiera DC Supply Voltage DC Power Input...

  • Page 30: Working Principles

    TEX2000LCD 8. Working Principles The figures below provide an overview of TEX2000LCD (fig. 8.1) modules and connections. R.F. R.F. 4 X R.F. 4 X R.F. R.F. OUTPUT LPF + SPLITTER DRIVER RF MODULES COMBINER DIRECT. COUPL. BIAS VPA (50VDC) 4 X VPA (50VDC) R.F. INPUT (AUDIO/RDS) MAIN BOARD FUSE BOARD FWD PWR RFL PWR 4 X VPA (50VDC)
  • Page 31 TEX2000LCD that protect the equipment from any surge events in the power mains. Mains voltage is brought from this module to the main Power switch on the front panel (figure 6.1 - [7]), which relays it to the service transformer TR1.

  • Page 32: Interface Board (Sl010In5003)

    TEX2000LCD panel board; • It controls and provides interfacing of the mains surge protection module (SLSRGPRPJ1KM); • It controls and provides interfacing of the power amplifier supply module (PSL5060); • It processes and provides interfacing of the control signals to/from the Bias Board (SLBIASTEX2K);...

  • Page 33: Driver Board (Sl176Dr1001)

    TEX2000LCD • Clipper (limits modulating signal level so that frequency deviation never exceeds 75kHz) • Modulating signal measurement. 8.4.2 PLL/VCO section This section of the board generates the modulated radiofrequency signal. It is based on a PLL architecture that includes an MB15E06 integrated circuit.

  • Page 34: External Telemetry Interface Board (Sltlmtxlcd03)

    TEX2000LCD 8.8 BIAS Board (SLBIASTEX2K) The main purpose of this board is to control and correct the bias voltage of the RF amplification section MOSFETs. It also provides a measure of the total current drawn by the RF modules and incorporates a dedicated circuit for power supply fault reporting.

Table of Contents