R.V.R. Electronica TEX1002LCD User Manual
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R.V.R. Electronica TEX1002LCD User Manual

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TEX1002LCD
USER MANUAL
VOLUME1
Manufactured by R.V.R ELETTRONICA S.p.A. Italy

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Summary of Contents for R.V.R. Electronica TEX1002LCD

  • Page 1 TEX1002LCD USER MANUAL VOLUME1 Manufactured by R.V.R ELETTRONICA S.p.A. Italy...

  • Page 2: Revision History

    Revision History Date Version Reason Editor 22/08/2014 First Version J. H. Berti TEX1002LCD - User Manual Version 1.0 © Copyright 2014 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 TEX1002LCD DECLARATION OF CONFORMITY We, the undersigned, Manufacturer’s Name: R.V.R. Elettronica SpA Manufacturer’s Address: Via del Fonditore 2/2c Zona Ind. Roveri 4013 Bologna Italy Certify and declare under our sole responsibility that the product: Product Description: FM Solid State Transmitter for Broadcast...
  • Page 4 TEX1002LCD Technical Description Legenda: Verde = Green Line TEX1002LCD Aggiornato il 18/01/2013 Rosso = Obsoleto Giallo = Normali Parameters U.M. Value Notes GENERALS Frequency range 87.5 ÷ 108 Rated output power 1000 Continuously variable by software from 0 to maximum...

  • Page 5: Table Of Contents

    TEX1002LCD 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 Pinouts Quick guide for installation and use Preparation First power-on and setup...
  • Page 6 TEX1002LCD This page was intentionally left blank User Manual Rev. 1.0 - 22/08/14...

  • Page 7: Preliminary Instructions

    TEX1002LCD IMPORTANT The symbol of lightning inside a triangle placed on the product, evidences the operations for which is necessary gave it full attention to avoid risk of electric shocks. The symbol of exclamation mark inside a triangle placed on the product, informs the user about the presence of instructions inside the manual that accompanies the equipment, im- portant for the efficacy and the maintenance (repairs).

  • Page 8: First Aid

    TEX1002LCD • Do not stop chest compressions while giving Units returned without a return authorisation may artificial breathing. be rejected and sent back to the sender. • Call for medical help as soon as possible. Be sure to include a detailed report mentioning all problems you have found and copy of your original 3.1.2...

  • Page 9: General Description

    SpA for audio radio broadcasting in the 87.5 to 108 MHz band in 10kHz steps, featuring adjustable RF output up to 1000 W, respectively, under 50 Ohm standard load. TEX1002LCD is designed to being contained into a 19” rack box of 2HE. 4.1 Unpacking The package contains:  1 TEX1002LCD...
  • Page 10 PLL (Phase Locked Loop) system. The transmitter will go into frequency lock within 30 seconds after power-on. TEX1002LCD can operate throughout the frequency bank with no need for calibration or set-up. An LCD on the front panel and a push-button panel provide for user interfacing with the microprocessor control system, which implements the following features: •...

  • Page 11: Frontal Panel Description

    TEX1002LCD 4.3 Frontal Panel Description Figure 4.1 [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

    TEX1002LCD 4.4 Rear Panel Description Figure 4.2 [1] R.F. OUTPUT RF output connector, type 7/8” EIA Flange, 50Ω. [2] R.F. TEST Output with level -60 dBc lower than output power level, suitable for modulation monitoring. Not suitable for spectrum analysis. [3] RS232 DB9 connector for direct serial communication or modem (only with telemetry option).

  • Page 13: Connectors Pinouts

    TEX1002LCD [26] AES/EBU Reserved for future implementations - XLR connector for AES/EBU digital audio input. [27] GSM ANT Reserved for future implementations - SMA connector for GSM Antenna. [28] RIGHT XLR connector, balanced Right channel input. [29] RIGHT ADJ Adjustment trimmer for the Right channel input.
  • Page 14 TEX1002LCD 4.5.3 I C Bus Type: Male DB9 TX_D RX_D Internally connected to 6 Internally connected to 4 Internally connected to 8 Internally connected to 7 4.5.4 Left (MONO) / Right Type: Female XLR Positive Negative 4.5.5 Remote Type: Female DB15...

  • Page 15: Quick Guide For Installation And Use

    TEX1002LCD 5. Quick guide for 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. Once the desired configuration has been set up, no more settings are required for normal operation; at each power-up (even after an accidental shutdown), the equipment defaults to the parameters set during the initial configuration procedure.
  • Page 16 TEX1002LCD √ For operating tests only: dummy load with 50 Ohm impedance and adequate capacity (minimo 1000W per TEX1002LCD). √ Connection cable kit including: • Mains power cable. • Coaxial cable with BNC connectors for interlock signal connection. • RF cable for output to load / antenna (50 Ohm coaxial cable with standard 7/8”...

  • Page 17: First Power-On And Setup

    TEX1002LCD 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 on (Pwr OFF) and regulated output power set to lower limit (unless otherwise specified by customer). 5.2.1 Power-on When you have performed all of the connections described in the previous paragraph, power on the transmitter using the suitable power switch on the front panel.
  • Page 18 TEX1002LCD 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 19: Operation

    TEX1002LCD 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. A special menu with separate indications of Left and Right channel levels and relating indicators of nominal levels for maximum deviation (75 kHz) is provided.
  • Page 20 1/4 bar 25% ouput power (mod.TEX1002LCD) The bottom line provides instantaneous power reading (in this example 1000W for TEX1002LCD); press button to increase level, press to decrease it. When you have achieved the desired level, press ENTER to confirm and exit the default menu. Please note that the setting is stored automatically; in other words, if you press ESC or do not press any keys before the preset time times out, the latest power level set will be retained.

  • Page 21: Management Firmware

    TEX1002LCD 5.4 Management Firmware The machine features an LCD with two lines by 16 characters that displays a set of menus. Figure 5.2 below provides an overview of machine menus. The symbols listed below appear in the left portion of the display as appropriate: (Cursor) - Highlights selected (i.e.
  • Page 22 TEX1002LCD Menu 3 If the temperature alarm is enabled and the alarm threshold is exceeded, the following screen will be displayed (only if you are in the default screen): State 1 As soon as operating conditions are restored, power output is re-enabled with the same settings in use prior to the alarm condition.
  • Page 23 Modifies Power Good threshold for forward power. The Power Good rate is a percent of equipment rated power (1000W for TEX1002LCD), not of forward output power. This means that this threshold set at 50% will give 500 W, respectively, regardless of set power level. The Power Good feature enables output power control and reporting.
  • Page 24 TEX1002LCD 5.4.2 Power Menu (Pwr) This screen holds all readings related to equipment output power:: Menu 5 Forward power reading. Reflected power reading. Note that these are readings, rather than settings, and cannot be edited (note the empty triangle). To change power setting, go to the default menu as outlined earlier..
  • Page 25 TEX1002LCD 5.4.4 Setup Menu (Set) This menu lets you view and set operating frequency. Menu 7 Operating frequency setup. Set a new frequency value and then press the ENTER button to confirm your selection; the transmitter unlocks from current frequency (the LOCK LED turns off) and will lock to the new operating frequency (LOCK turns back on again).

  • Page 26: Optional Functions

    TEX1002LCD 5.4.7 Channels Menu (L&R) Right and left channel input levels are displayed as horizontal bars as shown in the figure below. The bar meter reflects the level corresponding to a 100% deviation for each channel and provides a convenient reference when setting audio channel input levels. Menù 10 Left channel Vmeter. Right channel Vmeter..
  • Page 27 TEX1002LCD Menu 12 Enables / disables FSK code transmission. Shows the Morse code sent normally.. 5.5.1.1 Changing the ID code User may change the FSK code used as a station identifier at any time. This procedure requires: • 1 RS232 male-female cable; • Hyper Terminal interface (make sure it has been installed together with Windows®) or equivalent serial communication software...
  • Page 28 TEX1002LCD RF section on / off control signals are treated as control signals for RF output power level to allow for UP/DOWN setting. The UP or DOWN command is provided by switching the corresponding signal at the connector to ground for at least 500mS (pin features internal pull-up to power supply).

  • Page 29: Module Identification

    TEX1002LCD 6. Identification and Access to the Modules 6.1 Identification of the Modules The TEX1002LCD 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 TEX1002LCD Upper view The figure below shows the equipment upper view with the various components pointed out. Figure 6.1 [1] Power Supply and Power Interface Card [2] Service Power Supply and Service Power Interface Card [3] Main Board &...

  • Page 30: Working Principles

    TEX1002LCD 7. Working Principles 7.1 Panel card The panel board accommodates the microcontroller that runs equipment firmware and all user interface elements (display, LEDs, keys, …). This board is interfaced with other equipment modules via flat cables and provides for power supply, control signals and measurement distribution. 7.2 Main Board The main board performs the following tasks: • Audio and SCA input treatment;...

  • Page 31: Telemetry Card

    7.4 Power supply The amplification stage of TEX1002LCD consists of two main blocks: 1. Service: This section contains elements that do not regard directly the power supply, they are::...

  • Page 32: Bias Card

    • Measures of the temperature This board also features an RF sampling of approximately -46dB RF (for TEX1002LCD model) with respect to the output, which is available on a BNC connector below the transmitter output connector. This sample is useful for verifying the characteristics of the carrier, but not for verifying those of the upper harmonics.
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  • Page 36 ISO 9001:2000 certified since 2000 R.V.R Elettronica S.p.A. 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 S.p.A. 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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