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Technalogix TAVD-500 Manual

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TAVD-500
POWER AMPLIFIER

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  • Page 1 TAVD-500 POWER AMPLIFIER...
  • Page 2 No? Okay, good. Please take a few minutes to read the manual and familiarize yourself with your new Technalogix power amplifier. We believe that this manual, and of course our equipment, should be everything you need to get on the air with superb broadcast quality video.

  • Page 3: Table Of Contents

    ........................ II-1 ECTION ARRANTY III - O ......................... III-1 ECTION VERVIEW ........................III-1 TANDARD EATURES ......................III-2 RINCIPLE OF PERATION (TAVD-500)....................... III-3 LOCK IAGRAM ........................... III-4 IGNAL (TAVD-500)....................... III-3 LOCK IAGRAM ..........................III-5 PECIFICATIONS IV - RF C ......................IV-1 ECTION OMPONENTS ........................IV-1...
  • Page 4 ……………………………………………………………………………………… VIII-13 NITIAL HOOK IX - O ...................IX-1 ECTION PERATING ROCEDURE X - M ...............X-1 ECTION AINTENANCE AND ROUBLESHOOTING ........................X-2 ROUBLESHOOTING...

  • Page 5: Section I- Safeguards

    SERVICING - Do not attempt to service this equipment yourself as opening or removing covers can result in a warm tingly feeling and will void the warranty. Refer all servicing to qualified service personnel. Technalogix Ltd TAVD-500 Transmitter...

  • Page 6: Safety And First Aid

    At the first opportunity, enlist help in summoning a doctor. If a doctor cannot be summoned, transport the victim to the doctor or a hospital. Be sure the victim is kept well covered and warm while awaiting professional treatment. Technalogix Ltd TAVD-500 Transmitter...

  • Page 7: Operating Safeguards

    On TV and FM broadcast frequencies, insufficient antenna height puts an upper limit on your range, regardless of power levels, as the distance from your antenna to the radio horizon is limited. Technalogix Ltd TAVD-500 Transmitter...

  • Page 8: Section Ii - Warranty

    Technalogix Ltd. will not be liable for damages of whatever nature arising out of or in connection with the equipment or its use thereof. Technalogix does not assume responsibility for injury or damage resulting from the practices of untrained or unqualified personnel in the handling of this equipment.
  • Page 9 Materials Authorization (RMA) number is provided. Please look under our web site (www.technalogix.ca) for the RMA form (Service) and fill it out. Either fax it to us or email to us. • Package equipment carefully for prepaid shipment to Technalogix. Include a written description of the problem experienced, a copy of the original invoice establishing warranty status, and the RMA.
  • Page 10 Terms & Conditions of Sale Sales by Technalogix Ltd (“Seller”) are made only on the terms which are contained in this Terms and Conditions of Sale Policy. Seller hereby gives notice of its objection to any different or additional terms and conditions. All sales are expressly conditional upon Buyers’ assent to the terms and conditions set forth below.
  • Page 11 Orders for standard product may be changed by Buyer, with no penalty to the Buyer, provided that Buyer provides Technalogix notification at least 30 days prior to the scheduled ship date. Order changes received within 30 days of the scheduled ship date may be subject to an order change charge;...
  • Page 12 Buyer’s premises Validity of Separate Clauses If any provisions of this agreement shall be held invalid, illegal, or unenforceable, the validity, legality or enforceability of the remaining provisions shall not be affected or impaired thereby. II-5 Technalogix Ltd TAVD-500 Transmitter...

  • Page 13: Section Iii - Overview

    VSWR will not damage amplifier • AC circuit breaker on back panel to eliminate replacement of fuses • All aluminium enclosure maintains power amplifier’s light weight • Simple design using commonly available parts ensures reliable operation Technalogix Ltd TAVD-500 Transmitter III-1...

  • Page 14: Principle Of Operation

    Principle of Operation The TAVD-500 power amplifier supplies a 500-watt (rms) 8VSB television signal on any of the VHF television channels 2 through 13. Please note that channel selection must be made at time of order, as the transmitter or translator is calibrated and tested to the channel requested and is not field tuneable.

  • Page 15: Diagram (Tavd-500)

    Modulator or TAVD-500 AMPLIFIER FILTER Processor RF Out External power supply TAVD-500 BLOCK DIAGRAM Date: May 21, 2009 Page: 1 of 1...
  • Page 16 TAVD-500 Block Diagram The RF signal enters through the RF Input connector on the power amplifier enclosure from the modulator or processor. It then passes through an RF attenuator to limit the output power level of the power amplifier and to help buffer any transients that may come into the power amplifier.

  • Page 17: Block Diagram (Tavd-500)

    4 WAY COMBINER Pallet ATTENUATION Directional C RF INPUT RF OUT To Wattmeter and Antenna A=-0.05dB typical VHFTV-200 Driver Pallet 50 OHM TERMINATION VHFTV-400H FINAL AMPLIFIER PALLET TAVD-500 Power Amplifier Block Diagram Date: May 21, 2009 Page: 1 of 1...

  • Page 18: Specifications

    Specifications Electrical specifications that are specific to the unit are included with the shipment in addition to being kept on file at Technalogix. Physical Characteristics Power Requirements Power Supply 220 V , 11 A Operating Temperature 0 - 50°C Dimensions TAVD-500 Power Amplifier ¼...

  • Page 19: Rf Components

    17 A (low and high band) for 8VSB systems. Each of the amplifier pallets is connectorized. All amplifier pallets must have the transistor drain voltages reach at least 26Vdc before the RF drive is applied. Technalogix Ltd TAVD-500 Transmitter IV-1...
  • Page 20 Technalogix Ltd. 25 Watt High Band VHF Pallet PA25-VHF-H S. Kazarian November 12, 2001...
  • Page 21 Technalogix Ltd. 200 Watt High Band VHF Pallet P200-VHF-H R.S. McDonald December 17, 2001...
  • Page 22 Technalogix Ltd. 400 Watt High Band VHF Pallet P400-VHF-H R.S. McDonald July 30, 2001...

  • Page 23: Directional Coupler

    Directional Coupler The Technalogix dual directional couplers provide DC voltages proportional to forward and reflected RF power monitoring. These analog voltages are converted for processing using analog-to-digital converters and provide the control system with valuable data for monitoring purposes. Output power should be set following the operating procedure found elsewhere in this manual.

  • Page 24: Sectionv - Power Supply Section

    – the fuse does not blow on overload or short circuit. The thermal shutdown automatically recovers when the power supply chassis cools down. AC (220Vac) is fed into the power supply enclosure via a filtered AC entry and then through a circuit breaker. Technalogix Ltd TAVD-500 Transmitter...
  • Page 25 1500W with PFC and Parallel Function 1500W with PFC and Parallel Function Universal AC input / Full range PF>0.98@115VAC; >0.95@230VAC Using ZVS technology to reduce power dissipation High power density 8.3W/in Built-in 12V / 0.1A auxiliary output Alarm signal output DC output voltage adjustment 70~100% by external resistor Active current sharing up to 6000W (3+1)

  • Page 26: Section Vi - Monitor And Control System

    • DC voltage of the transmitter power supply. • DC current for each pallet in the transmitter. • Digital attenuation for input signal. • Temperature of the heat sink of the transmitter. • The time since the transmitter was last shut down. Technalogix Ltd TAVD-500 Transmitter VI-1...

  • Page 27: Coupler Conditioing Module

    The analog signals produced by the coupler for forward and reflected power are passed onto the Coupler Conditioning module by connectors J206 and J207, respectively. Each signal is then filtered by LC networks. The analog signals are converted to digital by an analog-to-digital converter integrated into the microcontroller U202. Technalogix Ltd TAVD-500 Transmitter VI-2...

  • Page 28: Rf Conditioning Module

    J702 is a driver disable signal coming from the Coupler Conditioning module. The Temperature Sensor module simply takes this signal and passes it through to a pad, where a wire connects it to the driver pallet. Technalogix Ltd TAVD-500 Transmitter VI-3...

  • Page 29: Txnet Module

    The TxNET module also includes up to three straight through RJ45 connection pairs: J604 to J605, J606 to J607, and J608 to J609. These connections are only used on systems with multiple enclosures, to pass control signals between enclosures; otherwise a low power TxNET is used. Technalogix Ltd TAVD-500 Transmitter VI-4...

  • Page 30: Remote Port

    2. TTL level digital input, active on rising edge. 3. TTL level digital output, active high. All other pins are not to be connected. Please see the Installation section for the specific pins that are used for each enclosure. Technalogix Ltd TAVD-500 Transmitter VI-5...

  • Page 31: Fault Shutdown

    5 times, the PA disables the carrier for 10 minutes and cycles until the fault clears. During the disable time (10 minutes) the unit will still alarm with a High Reflected message on the front panel. Technalogix Ltd TAVD-500 Transmitter VI-6...
  • Page 32 RF output level down until this temperature level is reached. The RF output level will automatically be brought back when it is safe to do so. Technalogix Ltd TAVD-500 Transmitter VI-7...
  • Page 33 Monitor and Control System (Insight) Bills of Materials Technalogix Ltd TAVD-500 Transmitter VI-8...

  • Page 34: Bill Of Materials

    Bill of Materials Page 1 Circuit: User Interface Module (TV) Revision: 1.03 Modified: 08/03/06 Item Designations Bin # Description Package U112 IC MICROCONTROLLER 256 BYTE RAM 64QFP ICT 32001 C106, C107, C117, C118, C128, C129, C141, C142, C148, C149, C163 CAPACITOR 0.01 uF 50V 10% SMD 0805 CAP 14902...
  • Page 35 Bill of Materials - ASY129A Circuit: Coupler Conditioning (D-Attn) Revision: 1.10 Modified: 12/1/08 Item Designations Bin # Description Package C201, C202, C203, C208, C209, C210, CAP 14902 Capacitor, ceramic, 0.01uF, 50Vdc, +/-20% SMD 0805 C212, C214-C223 C204, C211, C213 CAP 17202 Capacitor, ceramic, 0.1uF, 50Vdc, +/-20% SMD 0805 C205 CAP 22271 Capacitor, Tantalum, 10uF 16V...
  • Page 36 Bill of Materials - ASY129B Circuit: Coupler Conditioning (V-Attn) Revision: 1.10 Modified: 12/1/08 Item Designations Bin # Description Package C201, C202, C203, C208, C209, C210, CAP 14902 Capacitor, ceramic, 0.01uF, 50Vdc, +/-20% SMD 0805 C212, C214-C223 C204, C211, C213 CAP 17202 Capacitor, ceramic, 0.1uF, 50Vdc, +/-20% SMD 0805 C205 CAP 22271 Capacitor, Tantalum, 10uF 16V...
  • Page 37 Bill Of Materials - ASY 0009B Circuit: RF Conditioning (DC Filter, VHF) Revision: 1.12 Modified: 1-Dec-08 Item Designations Bin # Package SMD 0805 C301 CAP 15702 Capacitor, ceramic, 0.022uF, 50Vdc, +/-10% C302, C305 CAP 14902 Capacitor, ceramic, 0.01uF, 50Vdc, +/-10% SMD 0805 C303 CAP 17202...
  • Page 38 Bill Of Materials - ASY0009A Circuit: RF Conditioning (no DC filter) Revision: 1.12 Modified: 1-Dec-08 Item Designations Bin # Package SMD 0805 C301 CAP 15702 Capacitor, ceramic, 0.022uF, 50Vdc, +/-10% C302, C305 CAP 14902 Capacitor, ceramic, 0.01uF, 50Vdc, +/-10% SMD 0805 C303 CAP 17202 Capacitor, ceramic, 0.1uF, 50Vdc, +/-20%...
  • Page 39 Bill Of Materials - ASY 0009C Circuit: RF Conditioning (DC Filter, UHF) Revision: 1.12 Modified: 1-Dec-08 Item Designations Bin # Package SMD 0805 C301 CAP 15702 Capacitor, ceramic, 0.022uF, 50Vdc, +/-10% C302, C305 CAP 14902 Capacitor, ceramic, 0.01uF, 50Vdc, +/-10% SMD 0805 C303 CAP 17202...
  • Page 40 Bill of Materials - ASY 180B Circuit: Temperature Sensor (DC Filter VHF) Revision: 1.10 Modified: 11/13/08 Item Designations Bin # Description Package U701 ICT 52000 IC, temperature sensor, SPI 8-MSOP C701 TRM 0006 TRIMMER CAPACITOR, 9-90pF C704 CAP 17202 CAPACITOR 0.1uF, 50V, 10% SMD 0805 C705 CAP 08402...
  • Page 41 Bill of Materials - ASY 180A Circuit: Temperature Sensor (no DC filter) Revision: 1.10 Modified: 11/13/08 Item Designations Bin # Description Package U701 ICT 52000 IC, temperture sensor, SPI 8-MSOP C702, C704 CAP 17202 CAPACITOR 0.1uF, 50V, 10% SMD 0805 C703 CAP 11502 CAPACITOR 0.001uF (1000pF), 50V, 10%...
  • Page 42 Bill of Materials - ASY180C Circuit: Temperature Sensor (w/ DC Filter UHF) Revision: 1.10 Modified: 11/13/08 Item Designations Bin # Description Package U701 ICT 52000 IC, temperature sensor, SPI 8-MSOP C701 TRM 0006 TRIMMER CAPACITOR, 9-90pF C704 CAP 17202 CAPACITOR 0.1uF, 50V, 10% SMD 0805 C705 CAP 08402...
  • Page 43 Bill of Materials: ASY 206 Circuit: TxNET LP Revision: 1.10 Modified:12/1/08 Item Designations Bin # Description Package F601, F602, F603, F604 FUS 0801 Fuse, resettable, Ihold=0.14A, Itrip=0.34A, Vmax=60V J601, J603 CON 45020 Connector, 8-8 mod jack, shielded 7188VSANF(THT) J602 CON 21000 Connector, D-sub, 25 position, female, vertical, PCB mount PCB 206 PCB, FR4, 0.062", red solder mask, white silk screen...

  • Page 44: Schematics

    Insight System Schematics The following pages contain the schematics for the Insight system. Technalogix Ltd TAVD-500 Transmitter VI-23...
  • Page 45 User Interface Module DC Supply Conditioning L101 ETQ-P6F1R3LFA F101 J101A V1 Input V1 Cond TAC 58V R102 see table R101 2.7k TV 4.87k FM C101 SMBJ30A TV R103 D101 100uF SMBJ48A FM D102 Green SML-LX1206GW L102 ETQ-P6F1R3LFA F102 J101B V2 Input V2 Cond TAC 58V R105...

  • Page 46: Current Monitoring

    User Interface Module Current Monitoring L106 0.01uH +3.3 Vdc C107 C106 0.01uF 0.01uF R117 0.012 J102A V1 Cond V1 Out R118 0.012 U101 INA168 I1 Buff R119 U106A C111 C112 C109 C110 100k OPA2340UA 0.1uF 0.1uF 0.1uF 0.1uF C108 0.1uF R120 0.012 J102B...
  • Page 47 User Interface Module Voltage/Current Monitoring L108 0.01uH +3.3 Vdc C128 C129 0.01uF 0.01uF R129 J102E 0.012 V5 Out V5 Cond R130 0.012 U105 INA168 I5 Buff R131 U108A C133 C134 C131 C132 100k OPA2340UA 0.1uF 0.1uF 0.1uF 0.1uF C130 0.1uF R134 R132 V1 ADC...
  • Page 48 User Interface Module Microcontroller U111 L109 MCP130-450 0.01uH +3.3 Vdc RESET Vcc Reset C141 C142 0.01uF 0.01uF C143 CAN CLK 0.1uF I1 ADC LED1 I2 ADC Buzzer I3 ADC BkLtCtrl I4 ADC I5 ADC Pin15LCD J104 V1 ADC LED A C144 LED K 0.1uF...
  • Page 49 User Interface Module J105D +5Vdc +5V-1 J106D CAN and Programmer Interface +5V-2 J105F +3.3Vdc +3.3V-1 J106F +3.3V-2 J105E GND-1 J106E GND-2 J106A L110 RESET RESET-2 0.01uH +3.3Vdc J105H C149 C148 CANH-1 0.01uF 0.01uF J106H CANH-2 J105G U114 CANL-1 J106G CANL-2 SN65HV232 U113 CANterm1...

  • Page 50: Power Supplies

    User Interface Module Power Supplies U115 LM2576S-5.0 F107 +5 Vdc L111 Littlefuse 1812L VgenCond 100uH R154 C150 100uF D114 C151 30BQ060 D115 1000uF +5V LED D113 U116 Green R155 SML-LX1206GW LED1 Buzzer RL101 G6L-1F 5Vdc BkLtCtrl D116 BZ101 R156 S1D-13 R157 ULN2003 Pin15LCD...
  • Page 51 Coupler Conditioning Module Microcontroller U201 MCP130-450 +3.3 Vdc RESET Vcc Reset C201 0.01uF L202 L201 0.01uH 0.01uH FWD-POW C202 C203 RFL-POW 0.01uF 0.01uF DRVR DIS LED 1 LED 2 CAN CLK C204 0.1uF U202 - DIP SWITCH 3,2,1 SET ID - DIP SWITCH 7 ENABLES CAN C205 DVcc P1...
  • Page 52 Coupler Conditioning Module CAN and Programmer Interface +5Vdc J203 +5V-1 C210 C211 D201 J204 0.01uF 0.1uF +5V-2 J203 +3.3Vdc +3.3V-1 J204 +3.3V-2 C212 C213 D202 J203 0.01uF 0.1uF GND-1 J204 GND-2 J203 L204 RESET RESET-1 0.01uH R209 J204 +3.3Vdc RESET-2 C214 C215 J203...
  • Page 53 Coupler Conditioning Module Coupler Input +5Vdc +3.3 Vdc J206 FWD GND J206 FWD+3.3 J206 FWD+5V L205 J206 FWD In FWD-POW 0.01uH C216 C217 0.01uF 0.01uF D203 J207 RFL GND J207 RFL+3.3 J207 RFL +5V L206 J207 RFL In RFL-POW 0.01uH C218 C219 D204...
  • Page 54 RF Power Output R215 2.15k C222 L208 C223 0.01uF 0.01uF 0.01uH +5 Vdc VR201 R216 SIMO FWD-OUT U206B U207 LM358 D212A DAC CS TLV5625 U208 LM4040-2.5 R217 2.15k VR202 RFL-OUT U206A LM358 D212B +3.3 Vdc Remote Access Port MOCD211M +5 Vdc CAR OFF CAR ON MOCD211M...
  • Page 55 RF Conditioning Digital Attenuation J301 CTL 1dB R301 U301 RF 2 CTL 2dB CTL 4dB CTL1 R302 R303 CTL2 CTL 8dB CTL4 CTL8 CTL16 CTL 16dB J302 RF OUT C301 C302 C303 Opto-Isolation J303 C304 S301 L301 J304 Ext 5Vdc R304 D301 C305...
  • Page 56 C701 L701 J701 S701 +3.3Vdc J702 TMP Vcc J702 TMP CS C702 C703 U701 J702 TMP SO J702 TMP SCK J702 TMP GND LM70CIMM J703 J702 Disable Disable From CTRL To amp pallet C704 C705 A. Sivacoe Temperature Sensor Board 1.10 Insight Control System Date: June 4, 2007 Page: 1 of 1...
  • Page 57 J601 PSUflag F601 RFL samp TEMPflag F602 J602 FWD samp VSWRflag ODRVflag ground J603 CAR on CAR off CAR up F603 +5 Vdc CAR down F604 +3.3 Vdc Soft RES RESET TxNET 1.10 LP Date: July 16, 2008 Page: 1 of 1...
  • Page 58 J601 PSUflag F601 RFL samp TEMPflag F602 J602 FWD samp VSWRflag ODRVflag ground J603 CAR on CAR off CAR up F603 +5 Vdc CAR down F604 +3.3 Vdc Soft RES RESET J604 J605 IN 1 OUT 1 IN 2 OUT 2 IN 3 OUT 3 IN 4...

  • Page 59: Section Vii - Mechanical Section

    The fans are a 24Vdc variety, so there are series dropping resistors to drop the higher power supply voltage down to a safe level. Technalogix Ltd TAVD-500 Transmitter VII-1...

  • Page 60: Section Viii - Installation

    A sloping roof will tend to develop leaks less rapidly. The building should be well roofed with good material. The cooling load will be lowered with reflective or light colored roofing material. Technalogix Ltd. TAVD-500 Transmitter VIII-1...

  • Page 61: Heating And Cooling Requirements

    The environment’s temperature will contribute greatly to the length of the power amplifier’s life. Technalogix recommends that the building’s filtered air intake must have capacity for all air-flow in the building plus an additional 20%. Keep the intake below the roofline to avoid intake of solar heated air.

  • Page 62: Electrical Service Recommendations

    Electrical Service Recommendations Technalogix recommends that a qualified, licensed local electrician be consulted for the required electrical service. We suggest local electricians because: • The personnel knows the local codes • The personnel can be on site readily • You are apt to get better overall support if you give what business you can to local suppliers Technalogix recommends that proper AC line conditioning and surge suppression be provided on the primary AC input to the power amplifier.

  • Page 63: Antenna And Tower Recommendations

    Technalogix provides complete turnkey antenna systems if needed. If your site is serving as a translator, your receiving antenna should be in line of sight to the originating station all year round.

  • Page 64: Shelter Security

    A location leeward of some natural topographical feature will prevent wind damage and snowdrifts. Check the soil runoff conditions that may slow or hasten wind or water erosion and other concerns that may be unique to your location. Technalogix Ltd. TAVD-500 Transmitter VIII-5...

  • Page 65: Unpacking And Inspection

    Claims for loss or damage may not be withheld from any payment to Technalogix, nor may any payment due be withheld pending the outcome thereof. Technalogix cannot guarantee the carrier’s performance.

  • Page 66: Location And Function Of Controls And Connectors (Tavd-500 Power Amplifier)

    Location and Function of Controls and Connectors (TAVD-500 Power Amplifier) The following illustration depicts the location of the connectors when installing the 500-watt power amplifier. Technalogix Ltd. TAVD-500 Transmitter VIII-7...
  • Page 67 50 ohm. REMOTE PORT - Port to monitor and control the amplifier externally. See “ Monitor and Control” section for pin-out. Power amplifier has fault alarms only and filter/combiner has fault alarms and controls. Technalogix Ltd. TAVD-500 Transmitter VIII-8...

  • Page 68: Location And Function Of Controls And Connectors

    Location and Function of Controls and Connectors (Filter Enclosure) The following illustration depicts the location of the connectors when installing the filter enclosure. Technalogix Ltd. TAVD-500 Transmitter VIII-9...
  • Page 69 RF IN - RF inputs (500-watts each) from the power amplifier. N female connector, 50 ohm. RF OUT – 500-watt (rms) RF output. Connects to inline wattmeter (not supplied) and antenna. 7/16”DIN female connector, 50 ohm. Technalogix Ltd. TAVD-500 Transmitter VIII-10...
  • Page 70 8. Connect the RF Output on the filter enclosure to the wattmeter directly (no cable in between) and then the output of the inline wattmeter to the transmitting antenna cable. 9. Plug power supply into AC mains (220 Vac, single phase). 10. Leave the AC rocker switch to “off” position. Technalogix Ltd. TAVD-500 Transmitter VIII-11...
  • Page 71 TAVD-500 power amplifier is ready to receive a properly modulated video and audio signal, proceed with the following steps to place the system in operation. The TAVD-500 power amplifier has been factory aligned for channel frequency (per system specification), signal levels and optimum performance.
  • Page 72 10. The TAVD-500 LCDs show the user the present status of the amplifiers. Adjust RF output power to desired level (see Important RF Power Notice in previous section). Verify that the FWD Power reads 400 to 500 Watts on the PA enclosure. The output power level can be adjusted using the modulator or processor’s RF output level adjust.
  • Page 73 All modular components inside the enclosure are attached to aluminium mounting plates for easy removal and replacement. Ensure that plates are secured and the mounting hardware is tight. Technalogix Ltd TAVD-500 Transmitter...
  • Page 74 Ensure modulator/processor and power amplifier share a common ground Diagonal lines in picture Interference Install EMI/RFI filter in AC line Determine source and frequency of interfering signal (spectrum analyzer may be required) Technalogix Ltd TAVD-500 Transmitter...
  • Page 75 Check all cables for visible damage (kinks, nicks or cuts) Check all connectors for poor connections, water or corrosion Check alignment of antenna Check for physical damage of antenna, including ice build-up Technalogix Ltd TAVD-500 Transmitter...
  • Page 76 Thank you for choosing Technalogix Ltd.

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