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TEX32TFT

27

/ 42

User Manual

Rev. 1.0 - 12/07/20

ELETTRONICA

6. Identification and Access to the Modules

6.1 Identification of the Modules

The

TEX32TFT

is composed of several modules which are interconnected with

connectors to facilitate maintenance and replacement of the modules.

6.1.1 TEX32TFT Top view

The figure below shows the top view of the device, indicating the various

components.

figure 8.1

[1] Motherboard & Stereo Coder Board

[2] Panel Board

[3] Telemetry Board

[4] Control Board & Power Amplifier

[5] Power supply

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Summary of Contents for TEX32TFT

Page 1: ...TEX3 TEX32TFT 2TFT USER MANUAL VOLUME1 Manufactured by R V R ELETTRONICA Italia ...

Page 2: ...sion History Date Version Reason Editor 12 07 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 count...

Page 3: ...ed with 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 d...

Page 4: ...For RDS synchronizing 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 FUSES On Mains 1 Ext...

Page 5: ...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 28 7 1 Panel board 28 7 2 Motherboard 28 7 3 Telemetry Board 29 7 4 Power Supply Block 29 7 5 Power Amplifier Block 29 7 6 Control Board 30 8 Maintenance and Repair Procedures 31 8 1 Introduction 31 8 2 Safety Considerations 31 8 3 Ordinary maintena...

Page 6: ...creen 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...

Page 7: ...cifications 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 t...

Page 8: ...gure 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 hea...

Page 9: ...1 dB Minimum rated output power 35 dBm 1 dB Gain Not applicable the equipment is supplied without a radiant system which is the customer s responsibility The TEX32TFT is designed to be contained in a 2HE 19 rack box 4 1 Unpacking The package contains the following 1 TEX32TFT 1 Compliance Documentation 1 Power connector You can also obtain the following accessories for the equipment from your R V R...

Page 10: ... by a PLL Phase Locked Loop system The exciter reaches the frequency lock in a maximum time of thirty seconds from power on The TEX32TFT is able to work on the whole frequency band without requiring calibration and setting operations The microprocessor control system includes a TFT touchscreen display on the front panel and an emergency push button panel with the following functions Enabling disab...

Page 11: ...ds for forced ventilation 2 ON Green LED lit when the transmitter is power enabled 3 LOCK Green LED lit when the PLL is locked to the working frequency 4 FOLD Yellow LED lit when the limitation function intervenes foldback 5 MUTE Yellow LED lit when the transmitter is not delivering power because it is inhibited by an external interlock 6 LOCAL Yellow LED illuminated when the exciter is set to Loc...

Page 12: ... RS232 Not used optional 15 24VDC IN Not used optional 16 FUSE BLOCK Fuse block Use a screwdriver to access the fuse 17 R F TEST Maximum 20dBm referred to the output power level 18 CARRIER FREQ ADJ Carrier frequency fine adjustment trimmer 19 19KHZ PILOT OUT Pilot tone output BNC connector which can be used to synchronize external devices such as the RDS coder 20 SCA 2 BNC connector for SCA2 input...

Page 13: ...a for IIC communications 5 VPA Tlm ANL OUT Power supply PA 3 9V F S 6 FWD Tlm ANL OUT Forward power 3 9V F S 7 Power Good DIG OUT Reports activation by bringing the contact normally open to ground 8 GND Ground 9 GND Ground 10 Ext AGC RFL IN External signal 1 12V for limitation AGC 11 SCL IIC I O Clock for IIC communication 12 IPA Tlm ANL OUT PA power supply current 3 9V F S 13 RFL Tlm ANL OUT Refl...

Page 14: ...upational 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 ...

Page 15: ... can 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 t...

Page 16: ...ring operation 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 mu...

Page 17: ...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 Ahose approximately 1 5 metres in length is recommended COLD HOT 50cm ...

Page 18: ...r 230 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 TEX32TFT is in the OFF position Connect the network cable to the appropriate MAINS socket on the rea...

Page 19: ...scharges that 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 con...

Page 20: ...put to a dummy load of suitable value or to the antenna GSM LAN R L ADJ TOSLINK AES EBU SCA1 RDS RFL FWD EXT AGC REMOTE INTERLOCK IN R F OUTPUT 50 Ω 24Vdc LEFT MONO 19KHz PILOT OUT ADJ ADJ 10KΩ ADJ RIGHT PHASE ADJ 600Ω 600Ω R F TEST max 20dBm MAINS VOLTAGE MAINS FUSE 10KΩ CARRIER FREQ ADJ MPX SCA2 RS232 SERVICE RDS MODEM Figure 5 1 connections with the amplifier CAUTION To avoid electric shocks an...

Page 21: ...90 cm 5 1 5 1 Power on After making the connections described above turn on the device at the power switch on the front The default screen appears on the display and when the PLL is locked to the working frequency the LOCK LED lights up 5 1 5 2 Setting the working frequency Access the FRQ menu and use the touchscreen or keys and to adjust the working frequency of the equipment Press ENTER to confi...

Page 22: ...fers to The sensitivity of the various inputs can be adjusted with the limitations described in the following table Input Sensitivity Notes SCA1 RDS 9 2 12 dBu Input level for 3 5 kHz overall deviation 30 dB SCA2 9 2 12 dBu MPX 12 5 13 3 dBu Input level for 75 kHz overall deviation 0 dB Left Mono 12 7 13 2 dBu Right 12 7 13 2 dBu Pilot 70 6 17 6 dB Absolute level overall deviation normally 20 dB N...

Page 23: ... overall 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 initia...

Page 24: ...ion screen 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...

Page 25: ...e To 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 po...

Page 26: ...e 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 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 an...

Page 27: ...e modulation 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 Adj...

Page 28: ... RF section 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 mod...

Page 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 ...

Page 30: ...after one minute of inactivity the selection will remain set to the previous value Menu 9 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 k...

Page 31: ...n the 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 3 W for the TEX32TFT respectively not to the reflected power delivered So if you set a value equa...

Page 32: ...he version 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 11 Rel Shows the firmware release Dat Shows the Release date Tab Shows the configuration table loaded in the memory ...

Page 33: ...posed of several modules which are interconnected with connectors to facilitate maintenance and replacement of the modules 6 1 1 TEX32TFT Top view The figure below shows the top view of the device indicating the various components figure 8 1 1 Motherboard Stereo Coder Board 2 Panel Board 3 Telemetry Board 4 Control Board Power Amplifier 5 Power supply ...

Page 34: ...odule 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 providing for the distributio...

Page 35: ...used 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 power supply of the TEX32TFT provides the two main power supplies 1 Services This voltage powers elements that do not directly affect the...

Page 36: ... MOSFET of the RF amplifier section It also provides the measurement of the absorbed current and contains an alarm signalling circuit for the power supply unit This circuit also performs the following functions Control of 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 powe...

Page 37: ...plifier from the mains before proceeding with any maintenance on the system 8 3 Ordinary maintenance The only regular maintenance required for the TEX32TFT is periodic replacement of the fans and cleaning to remove dust in the air filter and any traces inside the amplifier The frequency of these operations depends on the operating conditions of the device ambient temperature level of dust in the a...

Page 38: ...he connector in seat A of the power supply and reassemble it in its seat Put the cover back and tighten all the screws needed to close it 8 4 Replacing the Modules Arrange for authorized and qualified technical personnel to replace the component parts in the device 8 4 1 Replacing the power supply Open the top cover of the TEX32TFT by unscrewing all the screws Identify the power supply module to b...

Page 39: ...TEX32TFT 33 42 User Manual Rev 1 0 12 07 20 ELETTRONICA Unscrew all points A using an Allen key A Disconnect all connectors at points B B Unscrew all points C using a flat head screwdriver ...

Page 40: ...in reverse order to reassemble and fix the module in its seat Put the cover back and tighten all the screws needed to close it 8 4 2 Replacing the RF module Open the top cover of the TEX32TFT by unscrewing all the screws Identify the RF module to be replaced Unscrew all points A using an Allen key A Unscrew the RF connector B and disconnect the connector C ...

Page 41: ...ocedure above in reverse order to reassemble and fix the module in its seat Put the cover back and tighten all the screws needed to close it 8 4 3 Replacing the motherboard Open the top cover of the TEX1002TFT by unscrewing all the screws Identify the module to be replaced Unscrew the screw A of the cover box of the motherboard A ...

Page 42: ... motherboard and replace it with the new module Repeat the procedure above in reverse order to reassemble and fix the module in its seat Put the cover back and tighten all the screws needed to close it 8 4 4 Replacing the panel board Unscrew the six screws A of the TEX1002TFT front panel A Unscrew all points B using an Allen key ...

Page 43: ...TEX32TFT 37 42 User Manual Rev 1 0 12 07 20 ELETTRONICA B Remove panel C C Unscrew all points D using a socket screwdriver and then lift the protective plastic cover D ...

Page 44: ...driver F Disconnect the connector G being very careful to unlock the two side locks before proceeding with the operation G Remove the panel lock and replace it with the new module Repeat the procedure above in reverse order to reassemble and fix the module in its seat Put the cover back and tighten all the screws needed to close it ...

Page 45: ... 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 Tipo TOS LINK Femmina Tipo Femmina XLR 1 GND 2 Positivo 3 Negativo 9 2 Option RDS TEX E 2HE and RDS TFT 2HE ...

Page 46: ...12 07 20 TEX32TFT ELETTRONICA Service RDS Tipo Femmina DB9 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 2HE Ethernet Tipo femmina RJ45 1 TX 2 TX 3 RX 4 NC 5 NC 6 RX 7 NC 8 NC ...

Page 47: ...ipo Femmina DB9 Tipo Femmina DB9 1 NC 1 NC 2 TX_D 2 NC 3 RX_D 3 NC 4 Internamente connesso con 6 4 NC 5 GND 5 GND 6 Internamente connesso con 4 6 12 V 7 Internamente connesso con 8 7 NC 8 Internamente connesso con 7 8 NC 9 NC 9 NC Ethernet Tipo femmina RJ45 1 TX 2 TX 3 RX 4 NC 5 NC 6 RX 7 NC 8 NC ...

Page 48: ...he emitted RF power level allowing UP DOWN adjustment The UP or DOWN command is provided by connecting the relative signal on the connector to ground for at least 500mS the pin has an internal pull up towards the power supply Configuration of the DB15F telemetry connector Remote Pin Standard Function UP DOWN Power Function 14 On cmd Up cmd Enables the RF power delivered Increases the RF power deli...

Page 49: ..._____________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________...

Page 50: ..._____________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________...

Page 51: ..._____________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________...

Page 52: ...6 Fax 39 051 6011104 e mail info rvr it web http www rvr it The RVR Logo and other RVR referenced 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 the property of their respective owners ...

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