Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.10.5. Test points Connector J1 on the front of the panel provides a test monitoring feed of the amplifier RF output signal. 3.10.6. Adjustment controls Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units Fixed attentuator Variable attenuator Phase shifter Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.10.8. Power input The amplifier is powered with DC voltage from an amplifier power supply. One of the incoming voltage power connectors J1 or J6 is connected to the input power connector, J1 or J6, on the back of the amplifier.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units removable handle (ref. 91 568 218) which can be inserted into the upper part of the heat sink. A marine type enclosure including custom-built wrapping is used to house the amplifiers in complete safety during long journeys. 3.10.12.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.11. Amplifier power supply, 37419700.02 3.11.1. Outline The amplifier power supply contains the following sub-units : ♦ filter unit, ♦ diode bridge, ♦ PFC card together with boost inductors, Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units Green Led output voltage present Hydraulic Connector Renoval handle F4 F3 S1 Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.11.1.1. Operational description The input three phase mains supply passes through protection fuses F1 to F3, and then passes successively through the following : ♦ filter unit (FL1) for parasite elimination, ♦ circuit for current limitation and mains protection and surveillance devices. The mains supply is then rectified by a diode bridge rectifier (CR1) followed by a PFC circuit (boost inductance + PFC card).
Mains S1 Doc. TRANSFORMER POWER SUPPLY UNIT F1 RECTIFIER/FILTER RECTIFIER (CR1) BOOST INDUCTOR BOOST INDUCTOR 24V DC POWER FACTOR CORRECTION (PFC CARD) INTERFACE CARD OUTPUT VOLTAGE REGULATION U regul. DC/DC CONVERTERS Output voltage value Numéro / Number 104 A E preliminary 9946 V1 Rev. Langu.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.11.1.2. Using the commands The amplifier power supplies are fed via a switch fuse isolator for protection of the power supply, accessible to the operator on the front panel. Green Led output voltage present 3.11.1.3. Indicator lamps and message displays Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units The mains supply to the module can be switched off by an isolator on the front panel ; fuses F1 to F3 can be accessed when the isolator is open.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.11.1.9. Cooling Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. The power supply unit has a cooling circuit.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.12. The mains plate, 61391643 3.12.1. Outline The Mains Distribution Panel takes in the external main supply and provides mains feeds together with protection systems for the various transmitter sub-units and the incoming mains supply.
Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units Figure 22 : Localisation of the main items of the Energy plate 9946 V1 45321648.01 Numéro / Number 104 Doc. A E preliminary Rev. Langu.
ARRIVEE SECTEUR MAINS INPUT 2 3 4 ARRIVEE SECTEURSECOURU EMERGENCY MAINS INPUT 5 Option 6 Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. 7 8 9 06/093(e-f) 10 1 Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 45321648.01 Numéro / Number 104 Doc. A E preliminary 9946 V1 Rev. Langu.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.12.2. Indicator lamps and message displays ♦ An orange indicator lamp on the mains monitoring relay K1 gives further information on the incoming main supply as follows: • Lit up : OK, • Extinguished: absence or inversion of phases. ♦ E1 includes 4 surge arrestors “over voltage protection” ( 3 between Phases and Ground , the 4 th. one between Neutral and Ground .
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.12.6. Input power The sole function of the Mains Distribution Panel is to re-distribute the mains input power and hence it has no need of any other input power. 3.12.7. Cooling Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.13. The multiplex card, 45324500 3.13.1. Outline The multiplex card is the main connection distribution centre for the bay in which it is installed.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units • the sensors, • the hydraulic cabinet. The multiplex card is connected to the Central Processing Unit by a multiplexed bus; seven users can be connected in parallel across this bus (the group of sensors + 5 PS/amplifiers +1 hydraulic ports). ♦ transmission of AGC voltages from the power amplifiers to the exciter cards, All AGC voltages from the amplifiers are applied to an "OR" logic gate.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units RELAY K1 ON SECU_STA + 5V_CHS SECU_ARM SECU_PRINCIP PRES_SECT TMPH Cooling ON (not used) DELAY 1 LIQUID Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units The selection of starting steps order is configured via switches: S401, S402 and S403 on multiplex board.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units With 3 multiplex boards: In case of converter G1 failure, the first converter takes over. In case of first converter G1 failure the second converter takes over.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units (1) POWER SUPPLY 1 (*) ( ) (2) PAL Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units The selected equipment unit will simultaneously send both logic signal DN_ANA_BA and analogue signal DN_ANA_BA corresponding to the number within address AD_BA < 0…3 >. Each of these signals is sent along a single wire which is connected to all the equipment units via the multiplex board; equipment units which have not been selected via the CS_BA signal will not return any signal.
45321648.01 Numéro / Number 104 Doc.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.13.4. Indicator lamps and message displays If the internal +5 V from the internal regulator on the multiplex card is faulty or missing the following indications are given: ♦ the green LED. "DS3" is extinguished, ♦ the message "UNKNOWN" is displayed in the "PSU n" message windows in the PCL "POWER SUPPLY" window. 3.13.5.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units - status and command data regarding the power amplifiers, - sensor status data both from the sensors in the protection system and from various other sensors.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.14. Coupling system 3.14.1. Outline The purpose of the RF combiner is to add together the power signals from the RF power amplifiers. An input unit splits the power signal from the exciter into signals, which are exactly matched in amplitude and phase, and sends them to the amplifiers. An F.I.C.S. (Full Isolated Coupling System patented by THALES) unit adds the powers signals delivered by the amplifiers.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units The ratio of total power to transmitted power (ignoring system losses) is a function of the form : n2/ (nm) 2. where «n» is the total of amplifiers and «m» is the number of faulty amplifiers. 3dB Coupler a Input 1 R.F. Signal Combiner Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.14.5. Adjustments No adjustment controls are needed on the RF coupling system. 3.14.6. Connections and data transfer The vision channel input splitter has the following connectors: ♦ an input connector for the exciter RF output signal, ♦ output connectors for the RF signals to the inputs of the RF power amplifiers. The F.I.C.S.
Digital Liquid Cooled UHF TV Equipment Operating modes and Control modes 4. Operating modes and Control modes 4.1. SIRIUS initialisation ♦ When the SIRIUS is commissioned it must receive initialisation commands from the transmitter CPU: Some SIRIUS operational parameters which are in the CPU memory are transferred to the SIRIUS by a command from the PCL (in maintenance mode).
Digital Liquid Cooled UHF TV Equipment Operating modes and Control modes ♦ when the manual on-air mode is selected, switching to air and switching off-air are available as specific operator commands; when the transmitter has been switched on all power supplies are on irrespective of the presence or not of video at the input. 4.4.
Digital Liquid Cooled UHF TV Equipment Operating modes and Control modes The following table illustrates how the status of an exciter changes after both a manual changeover and an automatic changeover: STATUS OF EXCITER AFTER A CHANGEOVER MANUAL CHANGEOVER (SELECTED EXCITER IS CHANGED) INITIAL SELECTED AND ON- STATE OF EXCITER AIR SELECTED AND OFF- AUTOMATIC CHANGEOVER (FAULT ON SELECTED EXCITER CHANNEL) Reserve Selected and off-air Reserve No change Selected and on-air Not selected and on-air
Digital Liquid Cooled UHF TV Equipment Internal and external connections 5. Internal and external connections 5.1. Transmitter inter-unit connections 5.1.1. Cabinet inter-unit connections 5.1.1.1. Exciter Sub-assemblies links Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Internal and external connections 5.1.1.3. Connections for switched dc and analogue signals within the transmitter (Refer to signal links diagram). The transmitter sub-units have switched DC and analogue interconnections for status, display and command data with the CPU and the multiplex card. All data exchanges between the CPU and the transmitter sub-units pass through the digital TX interconnection card.
Digital Liquid Cooled UHF TV Equipment Internal and external connections 5.2. Location of principal connectors These diagrams show the positions of the main transmitter connections. 09-xx3A (e) Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Internal and external connections RF INPUT Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Internal and external connections ♦ Connexion toit de Baie/Roof Inter connection A106-TB1 1 Défaut Température Sortie/Output temperature Fault 2 3 Défaut Refroidissement Externe/External Cooling Fault 4 5 Défaut Ventilation Externe Filtre RF/Cooling RF Filter Fault 6 7 Défaut Ventilation Externe DX/Cooling DX Faults Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authori
Digital Liquid Cooled UHF TV Equipment Internal and external connections Entrée Signaux / Input Signal J1A SIRIUS 1 Entrée Signal 1 / Signal 1 Input J2A Entrée 10 MHz/10 MHz Input J3A Entrée 1 P.P.S/1 P.P.S Input J5A Entrée Signal 2 / Signal 2 Input J8A Entrée GPS / GPS Input J2B SIRIUS 2 Entrée 10 MHz/10 MHz Input Entrée 1 P.P.S/1 P.P.
Digital Liquid Cooled UHF TV Equipment Internal and external connections Sortie RF RF Output RS232 C/M Schéma de démarrage Starting Diagram 5,2 kW RMS MEDIAFLO Double Drive, LIQUIDE SIRIUS A130 CAISSON GESTION GESTION RACK J20 RX_UE_A TX_UE_A J70 J19 RX_UE_B TX_UE_B J90 RS232 C/M 20 21 21J6 J20 A15 6 +5VOLTS_U_P J20 D4 J20 B10 J6 A23 + 3 - CTRL MUTE 1 + 24V 2 3 (Marche TX) (TX On) J6 2 3 D1 C1 PA_2 Carte TX RF-OUT CTRL MUTE 2 1 + 24V I/O 2 CR_POS_RLA 1 C CR_POS_RLB +12V
Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. Digital Liquid Cooled UHF TV Equipment Internal and external connections 45321648.01 Numéro / Number 104 Doc. A E preliminary 9946 V1 Rev. Langu.
Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. Digital Liquid Cooled UHF TV Equipment Internal and external connections 45321648.01 Numéro / Number 104 Doc. A E preliminary 9946 V1 Rev. Langu.
Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. Digital Liquid Cooled UHF TV Equipment Internal and external connections 45321648.01 Numéro / Number 104 Doc. A E preliminary 9946 V1 Rev. Langu.
