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User Manual

Rev. 2.0 - 27/01/20

TEX3500LCD

• Disconnect the faston

H

and unscrew the points

E

.

E

D

• Provide for the removal of the malfunctioning blowers.
• Insert the new blowers (mod.

9GL1224J102 Sanyo Denki

).

• Redo all previously steps, performed in reverse, in order to reassemble and fix

the blower in place.

• Replace the covers and tighten all the screws necessary to close it.

8.4 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 bottom cover of

TEX3500LCD

by unscrewing all the screws.

• Identify the power supply module to be replaced.

Module 1

Module 2

Module 3

«
...
44
45
46
47
48
...
»

Содержание TEX3500LCD

Страница 1: ...TEX3500 TEX3500LCD LCD USER MANUAL VOLUME1 Manufactured by R V R ELETTRONICA Italy ...

Страница 2: ... 2020 Revision History Date Version Reason Editor 27 01 2020 2 0 Second Version 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 respe...

Страница 3: ...z 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 typical 0 05 Stereo separation 30Hz 53kHz dB 50 dB typical 60 RMS 75 kHz peak HPF 20Hz LPF 23 kHz 50 μS de emphasis L R demodulated dB 73 75 typical Qpk 75 kHz peak CCIR weighted 50 μS de emphasis L R demodulated dB 65 dB Qpk 40 kHz peak CCIR weighted 50 μS de emphasis L R demod...

Страница 4: ...tput Connector BNC For RDS and isofrequency synchronizing purpose Impedance Ohm 5 k Output Level Vpp 1 Interlock Connector 2 x BNC Input and output for remote power inhibition short is RF off Service Connector DB9 F Factory reserved for firmware program Remote Interface Connector DB15F IIC 5 analog digital inputs 5 analog digital outputs FUSES On Mains 3 External F 10 T 6 x 30 mm On services On PA...

Страница 5: ...dentification and Access to the Modules 32 6 1 Identification of the Modules 32 6 2 Spare parts 33 7 Working Principles 34 7 1 Power Supply 34 7 2 Interface board 34 7 3 Panel card 35 7 4 Main Board 35 7 5 Driver Board 35 7 6 Power amplifier 36 7 7 LPF Board 36 7 8 BIAS board 37 7 9 External Telemetry Interface Board 37 8 Maintenance and repair procedures 38 8 1 Introduction 38 8 2 Security Consid...

Страница 6: ...iv User Manual Rev 2 0 27 01 20 TEX3500LCD This page was intentionally left blank ...

Страница 7: ...ms all warranties express or implied While R V R Elettronica attempts to provide accurate information it cannot accept responsibility or liability for any errors or inaccuracies in this manual including the products and the software described herein R V R Elettronica reserves the right to make changes to equipment design and or specifications and to this manual at any time without prior notice Not...

Страница 8: ... there is no heartbeat begin chest compressions immediately Figure 4 placing your hands in the centre of the victim s chest Figure 5 Figure 3 Figure 4 Figure 5 One rescuer give 2 quick rescue breaths after each 15 compressions Two rescuers one rescue breath after each 5 compressions Do not stop chest compressions while giving artificial breathing Call for medical help as soon as possible 3 1 2 If ...

Страница 9: ...rmance characteristic is guaranteed in a range between 0 25 dB and 3 dB 5 and 50 referred to the nominal power of the equipment for example from 1750W to 3675W in case of TEX3500LCD outside these limits the equipment is able to work properly but can not guarantee an efficiency of 70 This transmitter incorporate a low pass filter to keep harmonics below the limits provided for by international stan...

Страница 10: ...wer alarm Power Good feature Measurement and display of transmitter operating parameters Communication with external devices such as programming or telemetry systems via RS232 serial interface or I2 C Four LEDs on the front panel provide the following status indications ON LOCK FOLDBACK and RF MUTE The transmitter management firmware is based on a menu system User has four navigation buttons avail...

Страница 11: ...MUTE Yellow LED lit when the transmitter s power output is inhibited by an external interlock command 5 CONTRAST Display contrast adjusting trimmer on the top of the equipment 6 POWER ON OFF switch 7 ESC Push button to exit from a menu 8 Push button to move in the menu system and to modify the parameters 9 Push button to move in the menu system and to modify the parameters 10 ENTER Push button to ...

Страница 12: ...1 RDS input 14 RIGHT ADJ Adjustment trimmer for the Right channel input 15 RIGHT XLR connector balanced Right channel input 16 IMPEDANCE Dip switch to set the balanced input impedance 600Ω or 10kΩ 17 FUSE R Mains power supply fuse 18 SERVICE Reserved for future implementations 19 FUSE T Mains power supply fuse 20 FUSE S Mains power supply fuse 21 INPUT POWER Not used 22 R F OUTPUT RF output connec...

Страница 13: ...U Reserved for future implementations XLR connector for AES EBU digital audio input 36 LEFT MONO ADJ Adjustment trimmer for Left Mono channel input 37 LEFT MONO XLR connector balanced Left Mono channel input 38 MAINS Connectors for 230 V 15 50 60 Hz mains power supply 4 5 Connector Pinouts 4 5 1 RS232 optional Type Female DB9 1 NC 2 TX_D 3 RX_D 4 NC 5 GND 6 NC 7 NC 8 NC 9 NC 4 5 2 Service for prog...

Страница 14: ...nd 4 SDA IIC I O Serial data for IIC communication 5 VPA Tlm ANL OUT PA supply voltage 3 9V F S 6 FWD Tlm ANL OUT Forward power 3 9V F S 7 Power Good DIG OUT Indicates activation by switching the normally open contact to ground 8 GND Ground 9 GND Ground 10 Ext AGC RFL IN Ext signal 1 12V for limitation AGC 11 SCL IIC I O Clock for IIC communication 12 IPA Tlm ANL OUT PA supply current 3 9V F S 13 ...

Страница 15: ...plicable law on workplace safety matter These companies must provide appropriate training to their staff on electrical devices and make sure that they familiarize themselves with the contents of this manual The respect of the safety instructions set forth in this manual or in the specified legislation does not exempt you from compliance with other specific regulations regarding installation place ...

Страница 16: ...nvironmental conditions In case of the station where this device is located should be subjected to these physical events it is good to monitor these devices once you put it into service in addition to trying to protect the device itself as much as possible IMPORTANT never supply voltage to the equipment in presence of condensation This problem can occur more frequently in devices warehoused for a ...

Страница 17: ...o forced ventilation The mounting surface must be able to withstand the weight of the device and must be sturdy Note below we will refer to a complete station where the device can be a part of it The same procedures also apply in case of the device is used individually The device is usually connected inside a 19 rack and fixed with M5 screws in the appropriate holes The equipment must be installed...

Страница 18: ...he outlet air in the back of machine In this case provide adequate ventilation of the room COLD HOT 50cm In alternative is cooled by forced ventilation and the air outlet is located on the roof of machine Is recommended a length of tube approximetively of 1 5 meter COLD HOT 50cm ...

Страница 19: ...he back or on the roof of the machine and conductors must be attached to the general disconnecting switch terminals Note The connection of machine to power supply is done by fixing a multi pole cable with exposed terminals to a terminal board Make sure with no possibility of error that the cable is not under tension when you connect it to the machine WARNING Is highly recommended to don t turn on ...

Страница 20: ...ribution board R S T N PE Note the mains must be equipped with adequate earth connection properly connected to the equipment This is a pre requisite for ensuring operator safety and correct operation The following table shows the recommended cable cross sections CONNECTOR THREE PHASE CABLE SECTION SINGLE PHASE CABLE SECTION L Ø 2 5mm R Ø 1 5mm S Ø 1 5mm T Ø 1 5mm N Ø 2 5mm Ø 2 5mm PE Ø 2 5mm Ø 2 5...

Страница 21: ...Vac mains power supply for TEX3500LCD with adequate earth connection For operating tests only dummy load with 50 Ohm impedance and adequate capacity minimum 3500W per TEX3500LCD 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 and rear of TEX3500LC...

Страница 22: ...qualified personnel This solution allows you to protect from violent atmospheric electric shocks that strike the surrounding ground up to several kilometers Provide an internal protection against interference on the distribution line such as EMI filters or stabilizers on line voltages rrequiring the installation in the distribution panel through qualified personnel which allow to filter the interf...

Страница 23: ...ut connector when the equipment is switched on and no dummy load is connected Ensure that the POWER switch on the front panel of TEX3500LCD is set to OFF Connect the mains power cable to the MAINS connector on the rear panel Note the mains must be equipped with adequate earth connection properly connected to the equipment This is a pre requisite for ensuring operator safety and correct operation C...

Страница 24: ... 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 Access the Power Setup Menu pressing the following keys in the order ESC opens Default Menu ENTER hold down for 2 seconds Use the keys and in the SET menu to set transmitter output power the setting bar at the side of SET pr...

Страница 25: ...di deviazione 0 dB Mono 37 36 13 13 dBm Input sensitivity in Stereo mode Ingresso Figura 6 2 Trimmer Sensibilità Nota SCA1 RDS 9 13 8 13 dBm Livello di ingresso per 7 5 kHz di deviazione 20 dB SCA2 8 11 8 13 dBm MPX 10 12 13 13 dBm Livello di ingresso per 75 kHz di deviazione 0 dB Left 37 36 13 13 dBm Right 15 32 13 13 dBm When setting input sensitivity please consider that the default menu report...

Страница 26: ...ar briefly on the display quickly followed by modulation and forward power readings provided that the transmitter is delivering output power Menu 1 1b In case of a password has been set through the Miscellaneous menu enter the code and then confirm to be able to view or modify the parameters of the machine The screen that is shown is similar to the following Menu 2 NOTE It is advisable to write do...

Страница 27: ...as output is enabled from menu 4 or in the event the machine is already set to ON and energised 1d If the equipment is not used for some time it will enter in STAND BY mode where the screen will remain backlit and indications on time and date will be indicated on the display Menu 0 Press press any button to exit from this screen 2 Ensure that machine is not in a locked out state Press the ESC key ...

Страница 28: ...ettings are output power set to upper limit unless otherwise specified by customer and OFF 5 3 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 accessible menu Filled arrow...

Страница 29: ...d Menu Menu 9 Channels Menu Menu 0 Standby Menu Menu 10 Clock Menu Figure 5 2 When the display is off touching any key will turn on backlighting When the display is on pressing the ESC button from the default menu menu 1 calls up the selection screen menu 3 which gives access to all other menus Menu 4 If the temperature alarm is enabled and the alarm threshold is exceeded the following screen will...

Страница 30: ...r and press the ENTER button To return to the default menu menu 1 simply press ESC again 5 3 1 Operation Menu Fnc In this menu you can toggle transmitter power output On Off set deviation display mode and the threshold rate for Forward PgD or Reflected PgR Power Good To edit an item highlight the appropriate line using the and buttons and then press and hold the ENTER button until the command is a...

Страница 31: ...wer control and reporting When output power drops below set Power Good threshold the equipment changes the state of pin 7 of the DB15 Remote connector located on the rear panel PgR Modifies Power Good threshold for reflected power The Power Good rate is a percent of equipment rated power 350W for TEX3500LCD not of reflected output power This means that this threshold set at 4 respectively will giv...

Страница 32: ... of forward power to amplifier module power in percent FWD PWR Vpa x Ipa Tmp Equipment internal temperature reading 5 3 4 Setup Menu Set This menu lets you view and set operating frequency The FSK function generates periodic carrier frequency shifts to generate a Morse coded station ID code NOTE This function is typically used in the USA The factory setting for frequency shift amplitude is 10KHz a...

Страница 33: ...his procedure requires 1 RS232 male female cable Hyper Terminal interface make sure it has been installed together with Windows or equivalent serial communication software A brief description of the procedure is provided below Connect the PC serial port COM to the SERVICE connector on the rear panel of TEX3500LCD using a standard Male DB9 Female DB9 serial cable Power on the transmitter Launch the...

Страница 34: ...et to 0000 by default this configuration automatically disables the entry of the password in default screen 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 5 3 6 Channel...

Страница 35: ... hours minutes and seconds of the equipment HH mm ss Dat Adjustment of the date of the equipment dd MM yy DoW Adjustment of the name of the day of the week Mon1 Adjusting the first Monday event in which occurs the power variation set in percentage Mon2 Adjusting the second Monday event in which occurs the power variation set in percentage Tue1 Adjusting the first Tuesday event in which occurs the ...

Страница 36: ...in which occurs the power variation set in percentage Sat1 Adjusting the first Saturday event in which occurs the power variation set in percentage Sat2 Adjusting the second Saturday event in which occurs the power variation set in percentage Sun1 Adjusting the first Sunday event in which occurs the power variation set in percentage Sun2 Adjusting the second Sunday event in which occurs the power ...

Страница 37: ...4 USer Manual Rev 2 0 27 01 20 Menu 10 Note that these are readings rather than settings and cannot be edited note the empty arrow Rel Firmware release information Dat Release date Tab Shows table loaded in the memory ...

Страница 38: ... as to make maintenance and any required module replacement easier 6 1 1 TEX3500LCD Upper view The figure below shows the equipment upper view with the various components pointed out Figure 6 1 1 DB15 flat filter card 2 Bias card 3 LPF card 4 Panel card 5 Service voltages generation 6 Main board 7 FAN1 8 FAN2 9 Driver card Temperature Measure Board 10 Splitter card 11 RF modules 12 Fuse card 13 Co...

Страница 39: ...ply interface card 6 Power supplies modules 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 Fans VTL9GL1224J RF pallet SP FIN249A Audio main card PLL VCO SP MBD175A CPU panel Display SP PAN240A Switching power supply KPSL4248 Interface card SP INT240A Surge protection block SP SRG249A Bias ...

Страница 40: ...rams are included in the Technical Schedule Vol 2 7 1 Power supply The TEX3500LCD power supply can be divided into two basic sections Services and Power Supply which provide adequate power to the RF power amplifier modules The unit has a rectifier PFC able to ensure a cos φ of 0 998 and a switching power supplies that allow an efficiency of 90 7 2 Interface board This board performs the following ...

Страница 41: ...input section The audio input section accommodates the circuitry that performs the following tasks Input impedance selection 15 kHz filtering for R and L channels Stereophonic coding Preemphasis Mono MPX and SCA channel mixing Clipper limits modulating signal level so that frequency deviation never exceeds 75kHz Modulating signal measurement 7 4 2 PLL VCO section This section of the board generate...

Страница 42: ...keep unbalance and power dissipation to a minimum The whole RF section is mounted on a finned heat sink with fan cooling 7 7 LPF Board This board incorporates a low pass filter to keep amplifier harmonics within permissible limits as specified by international standards A directional coupler is provided at filter output to measure forward and reflected RF output power power readings are relayed to...

Страница 43: ...ng AGC Abnormal conditions affecting bias voltage so as to trigger foldback current limiting are Reflected output power too high External AGC signals Ext AGC FWD Ext AGC RFL Temperature too high Current draw of one RF module too high 7 9 External Telemetry Interface Board This board provides an I O interface for the CPU with the outside environment All available equipment input and output signals ...

Страница 44: ...e restarting the equipment 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 TEX3500LCD is the periodic blower replacement and dust cleaning of the air filter and of any trace of it inside the amplifier The frequency of these operations depends on the operating condit...

Страница 45: ...Rev 2 0 27 01 20 Unscrew all the points A with the help of an Phillips screwdriver A Unscrew laterally all the points B with the help of an Phillips screwdriver B Unscrew all the points C with the help of an Phillips screwdriver C ...

Страница 46: ...n order to reassemble and fix the blower in place Replace the covers and tighten all the screws necessary to close it 8 4 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 bottom cover of TEX3500LCD by unscrewing all the screws Identify the power su...

Страница 47: ...500LCD 41 54 USer Manual Rev 2 0 27 01 20 Unscrew all the points A with the help of an Phillips screwdriver A Extract the metal plates B B Unscrew all the points C with the help of an slotted screwdriver C ...

Страница 48: ... replace it with a new spare part Redo all previously steps performed in reverse in order to reassemble and fix the module in place Replace the cover and tighten all the screws necessary to close it 8 4 2 How to replace the RF module Open the top cover of TEX3500LCD by unscrewing all the screws Identify the RF module to be replaced through a visual inspection a voltage check and or the verificatio...

Страница 49: ...nectors A and unsolder the points B B A Unscrew all the points C with the help of an Allen screwdriver C At this point replace the module placing a bit of composite paste with high thermal conductivity and without silicones on the back of the new RF module We recommend the composite paste of HTC Electrolube or equivalent ...

Страница 50: ... to the indicated value reading However if the ammeter does not provided any information it is very probable that the fuse is broken Proceed with its replacement following the next chapter D E Redo all previously steps performed in reverse in order to reassemble and fix the module in place Replace the cover and tighten all the screws necessary to close it 8 4 3 How to replace the fuses Open the to...

Страница 51: ...Redo all previously steps performed in reverse in order to reassemble and fix the module in place Replace the cover and tighten all the screws necessary to close it 8 4 4 How to replace power supply interface board Open the bottom cover of TEX3500LCD by unscrewing all the screws Identify the module to be replaced Disconnect the connector A and faston B ...

Страница 52: ...ly interface 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 Replace the cover and tighten all the screws necessary to close it 8 4 5 How to replace the main board Open the top cover of TEX3500LCD by unscrewing all the screws Identify the module to be replaced Unscrew the seven screws A on the rear panel o...

Страница 53: ...r box B Disconnect the connector C and unscrew the RF connector D D C 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 Replace the cover and tighten all the screws necessary to close it ...

Страница 54: ...the connectors B B Remove the panel group 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 Replace the cover and tighten all the screws necessary to close it 8 4 6 How to replace the driver card Open the top cover of TEX3500LCD by unscrewing all the screws Identify the module to be replaced Disconnect the connect...

Страница 55: ...assemble and fix the module in place Replace the cover and tighten all the screws necessary to close it 8 4 7 How to replace the telemetry card Open the bottom cover of TEX3500LCD by unscrewing all the screws Identify the module to be replaced Unscrew the hexagonal washerA and the two threaded hex spacers B on the back panel of the TEX3500LCD A B Disconnect the connector C ...

Страница 56: ...20 TEX3500LCD C Remove the card 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 Replace the cover and tighten all the screws necessary to close it ...

Страница 57: ... 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 AUDIGIN TEX option Digital Input Left MONO Right Type TOS LINK Female Type XLR Female 1 GND 2 Positive 3 Negative 9 2 RDS TEX3HE option ...

Страница 58: ...v 2 0 27 01 20 TEX3500LCD 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 9 3 TLW TEX E 3HE option Ethernet Type RJ45 Female 1 TX 2 TX 3 RX 4 NC 5 NC 6 RX 7 NC 8 NC ...

Страница 59: ...DB9 Female Type DB9 Female 1 NC 1 NC 2 TX_D 2 NC 3 RX_D 3 NC 4 Internally connected with 6 4 NC 5 GND 5 GND 6 Internally connected with 4 6 12 V 7 Internally connected with 8 7 NC 8 Internally connected with 7 8 NC 9 NC 9 NC Ethernet Type RJ45 Female 1 TX 2 TX 3 RX 4 NC 5 NC 6 RX 7 NC 8 NC ...

Страница 60: ...or 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 Configuration of DB15F telemetry connector Remote Pin Standard Function UP DOWN Power Function 14 On cmd Up cmd Enables the RF power supply Increases the RF power supply 15 Off cmd ...

Страница 61: ..._____________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________...

Страница 62: ...06 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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