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Hitachi EC702HP, Operation Manual

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Hitachi EC702HP Operation Manual Download Page 128

Manual Rev. 0.0 - August 2016 

5-38 

Section 5 - System Operation Manual 
(E-Compact ATSC Transmitters - EC701HP thru EC708HP) 

 

 

>

 

>

 

 
 
 

 

 

To return to the Measurements press ESC key. 

 

 

5.6.7 

Automatic Level Control 

This screen indicates the voltage levels related to the Automatic Level Control (ALC) loop. 
Starting from the 

Measurements Menu 

[2000]: 

 

Select 

Automatic Level Control 

and hit ENTER

. 

 

Hit ESC key to return to the 

Measurements screen

. 

 

>

 

 

>

 

 

>

 

Summary of Contents for EC702HP

Page 1: ...anual 1 4kW UHF 8VSB ATSC Transmitter EC702HP Rodovia BR 459 KM 121 121A Córrego Raso 37540 000 Santa Rita do Sapucaí MG Brasil Tel 5535 3473 3473 Fax 5535 3473 3474 linear linear com br www hitachi linear com br ...

Page 2: ...rights reserved No part of this manual may be reproduced or transmitted in any form by any means electronic photocopying recording or otherwise without the prior permission of the publisher except where permitted by law ...

Page 3: ...e warranty will only extend to the repaired replaced modules or components 2 3 The warranty will become effective in the supplier s factory therefore it s not a responsibility of the supplier the shipment of any modules components or any other equipment or accessory These expenses will be when due a responsibility of the Purchaser 2 4 The Purchaser may choose a visit of the supplier s technical pe...

Page 4: ...RANTY TERMS 1 Propergrounding 2 Proper lightning rod 3 Shelter with ventilation foot print and temperature in compliance with the transmitter s standards 4 Voltage regulator in compliance with transmitter s consumption Noncompliance with any of above mentioned terms will automatically result in the suspension of the warranty terms ...

Page 5: ...he current is not equal to the3 phases unbalanced system The current quoted in the table is more loaded phaseto sizing effect of conductors and protection Said gauge is theminimum recommended for thetransmitter in question if the cable length is large consider voltagedrop in the cablemaximum of 5 The section of the neutral conductor should be thesamephase The section of the ground conductor may be...

Page 6: ...tability 2 1 2 2 1 3 Insulation 2 2 2 2 1 4 Wire Gage 2 4 2 3 Atmospheric Discharge Protection System 2 4 2 3 1 Lightning Arresters 2 4 2 3 2 Cable Protectors 2 5 2 4 Air Conditioning 2 5 2 4 1 Temperature 2 5 2 4 2 Humidity 2 5 2 4 3 Cooling 2 6 3 5 2 Power Drawer 3 14 3 5 3 Rejection Loads Drawer 3 16 3 5 4 AC Unit Panel 3 17 3 5 5 Top Panel 3 18 3 6 Power Network Connections 3 19 3 6 1 Power Fe...

Page 7: ...eam Input 5 22 5 5 10 Alarms Mask 5 23 5 5 11 USB Setup 5 23 5 5 12 USB HostAccess Setup 5 24 5 5 13 CrestFactor Reduction 5 24 5 5 14 Clock Reference 5 25 5 5 15 Restore Web Password to Default 5 27 5 5 16 Transistor Aging Adjustment 5 27 5 5 17 PATemperature Control 5 29 5 6 Measurements Menu 5 30 5 6 1 Power 5 32 5 6 2 Transport Stream 5 32 5 6 3 RF Power Drawer Measurements 5 33 5 6 4 Exciter ...

Page 8: ...alelectronics Conducting tests and Digital TV signals measures in ATSC standard Knowledge of radiant systems Conducting tests and measures of RadioFrequency Practice in the management of radio frequency measures equipment spectrum Analyzer RF power meter Vector NetworkAnalyzer couplers attenuators etc 1 3 Structure This manual is divided into seven 7 sections which provide the following informatio...

Page 9: ...rol System Information of navigation and Operation using the front keypad as well as identifications and functions of all controls and indicators of the outer panel Section 6 Preventive Maintenance Provides information for preventive maintenance 1 4 General Description This section contains a general description of the ATSC TV transmitters of the E Compact series Included in this section are the f...

Page 10: ...uickcoupling connection Hot Swap facilitating installation and maintenance Digital automatic Pre correction automatic linear and nonlinear Control of the transmitter integrated to the exciter User interface through display allows monitoring and configuration of the equipment Software for measuring measures the main parameters of the transmitter without the need for expensive equipment and specific...

Page 11: ... EC702HP PA Drawer 1 003 000 PA Drawer 2 004 001 EC703HP PA Drawer 1 003 000 PA Drawer 2 004 001 PA Drawer 3 005 010 EC704HP PA Drawer 1 003 000 PA Drawer 2 004 001 PA Drawer 3 005 010 PA Drawer 4 006 011 EC706HP PA Drawer 1 003 000 PA Drawer 2 004 001 PA Drawer 3 005 010 PA Drawer 4 006 011 PA Drawer 5 007 100 PA Drawer 6 008 101 EC708HP PA Drawer 1 003 000 PA Drawer 2 004 001 PA Drawer 3 005 010...

Page 12: ...ponsible for checking abnormal conditions and generate alarms control of transmitted power levels and general user interface The main control module can also send commands to the sub blocks in situations where it is necessary to enable specific protections for sub blocks and also for the control of information sent and received by the remote supervision system b Power Drawer s Control Module The c...

Page 13: ...er levels are given in average power for critical mask 50dB The power is measured at the transmitter s output after the filter 1 4 3 Composition The general structure of an E Compact transmitter series consists of the following stages Exciter with frontaldisplay Coaxial Relay 1 Power Splitter 2 Power Drawer s Power Combiner 3 Reflectometer Filtering System Power System 4 Ventilation System Notas 1...

Page 14: ...N1 OUT 2 MOD DIV 1 2 READING 15V OF THE M CCB 8V FROM MCCB MODULE SAMPLEAFTER FILTER SAMPLE BEFORE FILTER 40032 C QS2C 2 3A DIGITAL EXCITER A B LOAD 1B LOAD S D R AWER ASI 310M IN 1B 800mVpp 75 ASI OUT B 800mVpp 75 310M ASI IN ASI OUT ATSC DIGITAL EXCITER B RFOUT 220V 10 8dBm 7 35dBm 860W MOD COMB 2 1 C HC40C 10MHz 10MHz REFO UT REFIN RS485 MODULE 40153 CONTROL I O DATA BUS ETHERNET REM OTE FOR DI...

Page 15: ... FTE 1RU 28V 80W 2 Ethernet USB Host Device interface board MOD CIM 3744 DIGI and USB 3 Keyboard MOD CIM3717 TECLADO 1U 4 Display MOD CIM 30165 LCD 2x40 5 MOD VENP 40X40 24V 1U 6 DC DC Converter MOD CIM 30143 PWR 8001 V4 7 OutputAmplifier MOD 4803 PA100mW 4001 8 MOD 4854 EXC DIGI 8001 V4 MOD 4854 9 CIM3832 GPS 8001 Optional 10 MOD VENP RADIAL 24V 1U The Digital Exciter is responsible for providing...

Page 16: ...and models of transmitters A sample of the of the RF signal delivery to the load is necessary to be present so the external loop to control the RF power is closed External Power Control Loop The Master Control Unit MCU of the unit is embedded in the exciter The MCU interacts with all functionality present within the equipment It further interfaces externally via a keypad and an LCD display The MCU...

Page 17: ...S Integrated Reed ISDB Linear Shape Filter IF Complex Non Linear TX DAC Priority Remultiplexer SFN Switch Decompressor Multiplexer Solomon Modulator Pre correction Interpolation Mixer Pre correction Balance Interface Nios SystemControl Config ADC External Capture OCXO Control Internal Communication Interface 1Hz PLL PLLs Digital Board Figure 1 5 1st Part Block Diagram Exciter SPI_LO SPI Voltage Co...

Page 18: ...nt_5 After Filter in Up Converter 10MHz lo Loc k_D etect2 SPI_LO LO Local LO LO_Q Oscillator Test_Point_4 SPI_LO Null ALC DAC LO_I 2xLO I LPF Balance I Voltage Controlled Active 2nd Harmonic Variable Gain Q Mixer S Filter n Amplifier electio VGA LPF Balance Q 28V RF Mute Reflected Down Converter Level Detector Voltage LO Variable Attenuator RF PAD Passive PAD 1 1 7 7 Switch 2dB Mixer 2dB d LPF d 1...

Page 19: ...lk circuit is basically composed of two main components the first isthe clock generator CI HMC830LP6 that receives the reference of 10MHz and generates a signal of 1377 56643358 MHz 8xSYS_CLK through the fractional PLL and integrated VCO The second component isthe clock distributor ICAD9510 which performs a frequency division of 8 and 16 for generating the signs of 172 195804197 MHz FPGA_CLK and D...

Page 20: ... startup Lock Detect output is used to check this circuit Up converter The channel conversion is done by the CI ADL5385 a mixer complex FI input in quadrature and input 2xLO internal generation of LO 0 and 90 where the main features are canceling the image frequency top rate LO FI and reduced leakage of the local oscillator The cancellation of the image frequency is optimized by adjusting the FI q...

Page 21: ...ed will remain powered in standby ready to take control of the equipment 1 4 5 3 Power Splitter This passive module is a UHF power splitter in quadrature which is responsible for the clustering of power drawers in parallel configuration Receives the signal from the exciter and promotes a division 1 N 5 to excite the UHF amplifiers in the drawer power Figure 1 7 Splitter UHF 2 Way Hybrid Splitter Q...

Page 22: ... the power transistors depending on the temperature Automatic control of rotation of the fan depending on the temperature of the power transistors Protection against VSWR andOverdrive Power Factor Corrector PFC at power supply PFC Protection against over current in the power supply Settings and measures viaterminal Automatic restart after alarm event Matched sample of the output signal Figure 1 8 ...

Page 23: ...put level 7 3dBm Operation Frequency Range 470 782 MHz divided into 14 subbands Output Power 860W rms Power Gain Ajusted 52dB Gain adjustment range 6 dB Phase adjustment range 30 Automatic Fan Speed rpm Control 2100 to 7000 rpm RF Output connector 7 8 without flange Intermodulation shoulder Better than 36dBc Harmonic Attenuation Better than 30dBc AC Power Supply 220 VAC 180 to 240VAC Efficiency 33...

Page 24: ...biner UHF Hybrid Coupler HC40C model used in the EC702HP transmitter 1 4 5 6 Loads Bank It is a drawer where loads of unbalance of the power combiner are packed there are different models according to the number of loads There are five models of load bank of drawers 056402 MOD GV 40041DL0K5W EC702HP 056395 MOD GV 40040DL1K0W EC703HP 055356 MOD GV 40027DL1K9W EC704HP 059323 MOD GV 40082DL4K3W EC706...

Page 25: ... to perform measurements with the transmitter installed and operating without this being necessary to remove the operation transmitter This module provides points of RF samples for RF measurements with spectrum analyzer direct power measurement with Power Meter reflectometer and analysis of digital modulation ATSC It has three RF couplers sample matched with RF levels defined and is also used to m...

Page 26: ...els requiring the transmitter power specification Table 1 4 Models of electric distribution drawer MCCB as the transmitter model TRANSMITTER MODEL MCCB MODEL EC701HP NOT APPLICABLE EC702HP MOD GV 40031 MCCB EC703HP MOD GV 40030 MCCB EC704HP MOD GV 4993 MCCB EC706HP MOD GV 40061 MCCB EC708HP MOD GV 40062 MCCB For more information on the electrical distribution drawer see the Annex 1 4 5 11 Cooling ...

Page 27: ...powerof 580W inwhichtheminimum power is 50W 9 May change depending on MER value channel andoutput power For details consult Hitachi Kokusai Linear 10 B F Before Filter A F After Filter 11 Underconsultation Communication Interfaces USB Ethernet 2 SNMP Frequency Stability 1Hz internal GPS Oscillator PLL synthesized Power Factor better than 0 9 Operation Altitude up to 2 500m a s l 7 Environment temp...

Page 28: ...Section 1 Introduction UHF Digital TV Transmitters E Compact Air Cooling ATSC High Power Manual Rev 0 0 April 2016 1 21 1 6 Photo EC702HPTransmitter Figure 1 13 Front view of the EC702HP ...

Page 29: ...ion poles Phase 3 Main Breaker or rear bottom connection poles Three phase transmitters Neutral Rear bottom connection 380 VAC three phase transmitters AC Connectors Rear panel of RF PAs Individual RF Drawer Cabinet AC Grounding cables Rear Panel of PAs Individual Exciter Cabinet AC Grounding cable Rear Panel of Exciter No Breaks voltage stabilizers Coaxial low power cable ASI IN Transport Stream ...

Page 30: ...st be borne in mind that if it is necessary to change the chemical characteristics of the soil in order to lower the impedance a temporary condition would be created as it would not be the natural local chemistry which will be naturally absorbed over time In this case periodic preventive checking should be made during maintenance activities 2 2 1 2 Stability The voltages delivered to each phase of...

Page 31: ...end using UPSs online double conversion and or UPSs online Delta conversion built with isolation transformer and power factor correction PFC Advantages These types of UPSs bring great protection and insulation to the transmitter due to its mode of operation and design The double conversion is due to be converted to AC power and DC to DC voltage is converted back to AC which eliminates any disturba...

Page 32: ...CONVERTER MAIN INVERTER Sizing of the UPS PW UPS PTX real cos Φ η UPS PTX real Real Power W cos Φ Power Factor Correction η UPS Efficiency of the UPS STATIC BYPASS KEY BATTERY Figure 1 UPS on line Double Conversion STATIC BYPASS KEY DELTA TRANSFORMER BATTERY Figure 2 UPS on line Delta Conversion CA CC RETIFIER CA CC INVERTER ...

Page 33: ...ommended cables PHASES and NEUTRAL 35mm2 or AWG 1 GROUND In according standard NBR 5410 2004 2 TV Transmitter LD710K 380V three phase 38 kVA 38 000 I 380 3 I 57 7A Recommended cables PHASES and NEUTRAL 16mm2 or AWG 4 GROUND In according with standard NBR 5410 2004 2 3 Atmospheric Discharge Protection System 2 3 1 Lightning Arresters The Atmospheric Discharge Protection System comprises the lightni...

Page 34: ...nduction interferences 2 4 Air Conditioning 2 4 1 Temperature For optimum equipment performance and longer life the shelter temperature must be rigorously controlled by means of air conditioning Taking into consideration the heat dissipation BTU hour specified for the equipment and the shelter s internal area the cooling system must be designed in such a way that the incoming air volume is higher ...

Page 35: ...lled in series with the transmitter s cooling cycle I e the air conditioner s outgoing flow must be directed to the front part of Hitachi Kokusai Linear TV transmitter The transmitter s installation layout should contemplate a free space around the transmitter for higher cooling efficiency and access for maintenance Refer to the table below for details Note If the transmitter is installed in a rac...

Page 36: ...tart up and there is no evidence of transportation damage it might be necessary to send the equipment back to the factory for repair or replacement In such a case please get in contact with Hitachi Kokusai Linear Equipamentos Eletrônicos S A s Technical Support Department 3 3 Installation Recommendations 3 3 1 Preventive Protection Voltage transients with a duration of micro and nano seconds are a...

Page 37: ...ecause of it the tower is used as a part of the protection system The lightning protection device used in these cases is called lightning rod and has the function of guiding the electrical discharge safely avoiding other parts of the system to be hit and damaged by it The use of a lightning rod is MANDATORY The project and installation of grounding and lightning protection systems must be performe...

Page 38: ...he distance between them depends on the kinds of antenna used and the kind of stacking used This must be studied thoroughly in order to obtain the best solution for each case Cables and Connectors All cables must be carefully installed in order not to be twisted during the installation process When using 7 8 or 1 2 cables please pay attention to their bending that must not be made in spaces smalle...

Page 39: ...n and continuous service during thunderstorms with lightning the use of a reliable grounding system is paramount Lightning is a transient high current eletric discharge that happens between the ground and the clouds therefore the most important part of a lightning protection system are the parts that are on the ground In order to maintain the low impedance of the technical grouding system it must ...

Page 40: ...asses to the grounding system using the grounding rig that comes withthem Connect the gate and all the wires from the fence to the grounding system Connect the neutral wire from the public power line to the grounding system Connect the rig from the lightning rod to the grounding system with the shortest connection possible avoiding cable splices The tower s structure must also be connected to the ...

Page 41: ...3 4 1 Front View EXCITER A EXCITER B ETHERNET SWITCH CABLES ORGANIZER POWER AMPLIFIER 01 MOD GV 40001 POWER AMPLIFIER 02 MOD GV 40001 REJECTIONLOADSDRAWER MOD GV 40041 AC UNIT MCCB MOD GV 4993 Figure 3 1 Front View EC702HP with double exciter Note Switch D Link DES 1016D with 16 Ports Fast Ethernet 10 100Mbps Enables integration of exciters and GPRS unit and sharing of Internet access Ethernet is ...

Page 42: ...Manual Rev 0 0 April 2016 3 7 Section 3 Installation ATSC EC702HP Transmitter 3 4 2 Rear View Figure 3 2 Rear wiew Model EC702HP double exciter ...

Page 43: ...Manual Rev 0 0 April 2016 3 8 Section 3 Installation ATSC EC702HP Transmitter 3 4 3 Side View Figure 3 3 Side View Model EC702HP ...

Page 44: ...Manual Rev 0 0 April 2016 3 9 Section 3 Installation ATSC EC702HP Transmitter 3 4 4 Dimensions mm Figure 3 4 Side view with dimension Figure 3 5 Top view with dimensions ...

Page 45: ...Section 3 Installation ATSC EC702HP Transmitter Manual Rev 0 0 April 2016 3 10 3 4 5 Top view Figure 3 6 Top view of EC702HP ...

Page 46: ...he next right position and shows theoptions 6 ETHERNET RJ45 input connector for monitoring and control via TCP IP protocol 7 USB Port USB Device Port used to GUI8001 2 communication with the software allowing the user perform mesuares on to the transmitter and make corrections linear and non linear 8 USB Host Port used for communication with storage devices USB Drives FAT32 up to 4GB allowing the ...

Page 47: ...edance 75 17 12 6 ASI OUT 2 Electric interface DVB ASI C Function ASI signal sample from the modulator Type BNC female 11 7 1PPS OUT 18 10 Function Monitoring or connection to other equipment 19 9 Type BNC female 8 10MHz OUT 20 8 Function 10MHz reference output Type BNC female 21 7 9 GPS ANT 22 6 Function Antenna input for the GPS module Type SMA Female 23 5 10 BEFORE F 24 4 Function Input of a FE...

Page 48: ...e the single frequency network SFN Type BNC female 22 ASI OUT 1 Electric Interface DVB ASI C Function ASI signal sample from the modulator Type BNC female 23 ASI 310M IN 1 Electric Interface DVB ASI C Function Transport Stream TS input Type BNC female Impedance 75 24 ETHERNET Function Input Transport Stream over IP It supports multicast streams Unicast the UDP RTP protocols Allows access by GUI800...

Page 49: ...rent on PA Low Current on PA Current UNBAL on PA Low Gain on PA High Temperature on PA Communication Failure on PA DRV High Current on Driver Low Current on Driver Low Current on Pre Driver High Current on Pre Driver Low Gain on Driver High Temperature on Driver Low Voltage on Driver Communication Failure on Driver High Input Signal High Driver Output Level PSU Low AC Line Voltage High AC Line Vol...

Page 50: ...rawer s rear panel RF OUT Unflanged 7 8 RF output connector female for the power module RF IN SMA connector female for the RF input from the excitation drawer Function of the pins of PLUG IN connector Figure 3 11 PLUG IN Connector Pin Function 1 Address A2 3 RS 485A 5 6 Address A1 7 GND 8 GND 10 11 Address A0 13 RS 485B 15 CONTROL INTERFACE AC INPUT RF INPUT RF OUTPUT POWER SUPPLY FUSE PLUG IN CON...

Page 51: ...er on the rejection load temperature rise Red light indicates that is occurring a failure LED s Functions MOD GV 40041 LED ALARM PWR This LED lights only GREEN indicating that is POWERED ON FAN RED Fan Failure or high load temperature LOAD 1 ORANGE Temperature rise due to RF RED High temperature on load 1 LOAD 2 ORANGE Temperature rise due to RF Fan ON RED High temperature on load 2 LOAD 1B Figure...

Page 52: ... Description This drawer provides voltages to the control and verification measurement of power line voltage allowing a controlled manner to energize the transmitter Figure 3 15 Rear View MCCB MOD GV 40031 1 MCCB Moulded Case Circuit Breaker 2 MCCB model to supply M220 B220 T220 T380 MCCB START OUTPUT 2 Phase Phase OUTPUT 1 PA R Neutral INTERLOCK NEUTRAL R OUTPUT 3 Phase Phase S Neutral S GROUND T...

Page 53: ... 310M IN 1A ASI 310M IN 1B Function Transport Stream input Type BNCFemale Impedance 75Ohms 10 15 ETHERNET STREAMING A ETHERNET STREAMING B Function Transport Stream over IP Interface Type RJ45 12 13 ASI 310M IN 2A ASI 310M IN 2B Function Transport Stream input Type BNCFemale Impedance 75Ohms 14 16 ASI OUT A ASI OUT B Function SampleASI signal modulator Type BNCFemale Impedance 75Ohms 18 10MHz REF ...

Page 54: ...NTION The electric network is set up at the factory according to the internal connections and it cannot be changed in the field If it is necessary to change the transmitter s electric network structure please get in contact with Hitachi Kokusai Linear Equipamentos Eletrônicos S A s Digital Support department for the correspondinginstructions If the network structure is changed without previous not...

Page 55: ...s suggested by this guide and to protect yourwarranty The installation should take approximately 1 hour for all tasks related with the transmitter The installation can be completed successfully without the use of instruments and does not require special tools However for installation quality purposes a performance check is recommended as in accordance with best engineering practices We are certain...

Page 56: ...MENT HITACHI KOKUSAI LINEAR SHALL NOT BE RESPONSIBLE FOR INJURY OR DAMAGE THAT IS THE RESULT OF IMPROPER PROCEDURES OR USE BY INDIVIDUALS IMPROPERLY TRAINED OR LACKING THE KNOWLEDGE TO PERFORM ASSOCIATED TASKS ALL LOCAL CODES FOR BUILDING SAFETY FIRE OR RELATED STANDARDS MUST BE OBSERVED CONSULT LOCAL AUTHORITIES FOR THE STANDARDS FOR THE AREA OR REGION WHERE THE EQUIPMENT WILL BE INSTALLED AND PU...

Page 57: ...ocking fee may be charged All returns must be sent freight prepaid and properly insured by customer When communicating with Linear please refer to your Order or Invoice Number Unpacking Use care when unpacking the equipment First perform a visual inspection of the item s to determine if any damage occurred during shipment Be sure to retain all the shipping materials crates and boxes or cartons unt...

Page 58: ...r Figure 3 18 A typical Power Drawer crate 2 Open the crate to unpack and remove the cardboard box Visually inspect for damage during shipping 3 Open the cardboard box remove the foams and then the power drawer Figure 3 19 Figure 3 20 Crate and Cardboard box Cardboard box and Power Drawer Note packaging the images shown herein are for illustrative purpose only ...

Page 59: ... plastic packing of the power drawer Figure 3 22 Power Drawer and plastic packing EXCITER AND SWITCH 1 Find the crate exciter and switch 2 Open the crate to unpack and remove the cardboard box Visually inspect for damage during shipping Figure 3 23 A typical Exciter and Switch crate Figure 3 24 Crate and Cardboard box CARDBOARD BOX CRATE ...

Page 60: ...nsmitter Manual Rev 0 0 April 2016 3 25 3 Open the cardboard box and remove the cables and pigtail Figure 3 25 Cardboard box with cables and pigtail 4 Remove the foams and then the switch Figure 3 26 Cardboard box with spumes and switch FOAM ...

Page 61: ...ril 2016 3 26 5 Remove the foams and then the exciters Figure 3 27 Cardboard box with spumes and exciters 6 Remove the plastic packaging of the exciters and switch Figure 3 28 Exciters and switch with plasticpackaging Figure 3 29 Exciters switch and plastic packaging ...

Page 62: ...on 3 Installation ATSC EC702HP Transmitter Manual Rev 0 0 April 2016 3 27 RIGID LINES 1 Find the crate rigidline Figure 3 30 A typical rigid lines crate 2 Open the crate tounpack Figure 3 31 Open Wooden box ...

Page 63: ... Transmitter Manual Rev 0 0 April 2016 3 28 3 Remove the foams and then the rigid lines Figure 3 32 Crate with spumes and rigid lines Figure 3 33 Spumes and rigid lines MODULES 1 Find the crate modules Figure 3 34 A typical modules crate ...

Page 64: ...tion 3 Installation ATSC EC702HP Transmitter Manual Rev 0 0 April 2016 3 29 2 Open the crate tounpack Figure 3 35 Open crate 3 Remove each modules packaged in foams Figure 3 36 Crate and foams with modules ...

Page 65: ...on ATSC EC702HP Transmitter Manual Rev 0 0 April 2016 3 30 4 Remove the adhesive strip the foams and then the modules Figure 3 37 Modules and spumes RACK 1 Find the crate rack Figure 3 38 A typical rack crate Tipping label ...

Page 66: ... 0 0 April 2016 3 31 Figu 2 Open the crate to unpack Carefully remove the rack re 3 39 Crate and rack 3 Remove the foams Visually inspect for damage during shipping Figure 3 40 Rack and foams FOAM RACK WITH PLASTIC PACKAGING FOAM FOAM FOAM FOAM FOAM FOAM FOAM ...

Page 67: ...Section 3 Installation ATSC EC702HP Transmitter Manual Rev 0 0 April 2016 3 32 4 Remove the plastic packaging of the rack Figure 3 41 Rack with plastic packaging Figure 3 42 Rack and plastic packaging ...

Page 68: ...n the transmitter and the shelter walls must be minimum 1 5 meter Visual inspection a Remove the lateral and rear panel of the transmitter and proceed to a visual inspection searching for any alteration that may have happened during the transportation of the equipment b Pay special attention on the RF and signal cable connectors ie loose screws c Checkthe power switches located on the left of the ...

Page 69: ...m up 6 Insert and fasten the Ethernet switch optional 7 Insert and fasten the digital exciter B optional 8 Insert and fasten the digital exciter A 9 Checkthepresence and physical integrityof all the drawers power feeding and communication points Figure 3 44 Side view of the transmitter Insertion of drawers 1 P2 Power Amplifier 02 EXCITER A MOD GV 40153 EXCITER B MOD GV 40153 ETHERNET SWITCH POWER ...

Page 70: ... cables are used in the connections between the digital exciters and coaxial relay coaxial relay and splitter 1 2 combiner and rejection loads drawer Make the connection between the output of the exciter A identified as RF OUTPUT and INPUTAof the relay coaxial Make the connection between the output of the exciter B identified as RF OUTPUT and INPUT B of the relay coaxial Figure 3 45 RF OUT Connect...

Page 71: ...identification LOAD 1B Carefully connect each cable in its respective connector in the rejection loads drawer After make the tightening with wrench 1 1 4 Figure 3 47 Connection combiner and loads drawer STEP 2 Connect the DC power supply cable in the rejection loads drawer Figure 3 48 DC connector of the loads drawer LOAD 1B COMBINER 2 1 MOD COM 2 1 C HC 40C LOAD 1B MOD GV 40041 LOADS DRAWER DC CO...

Page 72: ...cated in the left side of the each Digital Exciter drawer s rearpanel Figure 3 49 AC Input cable ON OFF switch and fusible Module 40153 Connect the grounding mesh in the GND screw on the rear panel of each digital exciter SCREW GROUNDING Figure 3 50 Screw grounding Digital Exciters GND Ground Connect this terminal to ground at the installation site EXCITER B EXCITER A EXCITER B EXCITER A ...

Page 73: ...p cover of the transmitter ASI OUT A CONTROL I O Wiring See figure 3 29 GPS ANT Top cover of the transmitter GPS ANTENNA IN A 10MHz IN Top cover of the transmitter 10MHz REF IN A TO EXCITER B CONNECTOR DESCRIPTION FROM CONNECTOR DESCRIPTION AFTER F Top cover of the transmitter RF AFTER FILTER IN B BEFORE F Reflectometer RF OUTPUT Input coaxial relay EXCITER B ASI 310M IN 1 Top cover of the transmi...

Page 74: ... 310M IN 1A Exciter A ASI 310M IN 1 RF AFTER FILTER IN A Exciter A AFTER F RF AFTER FILTER IN B Exciter B AFTER F 10MHz REF IN A Exciter A 10MHz IN 10MHz REF IN B Exciter B 10MHz IN 10MHz REF OUT Exciter A or B 10MHz OUT ASI OUT B Exciter B ASI OUT 1 ASI 310M IN 2B Exciter B ASI 310M IN 2 ASI 310M IN 1B Exciter B ASI 310M IN 1 Figure 3 51 Partial rear view of the transmitter Connections between ex...

Page 75: ...rt1 or any otherport oftheswitchmoduletoCONTROL PORT connector of the transmitter top panel Makethe connection between the port 9 of the switchmodule and the front port ethernet of the digitalexciterA Makethe connection between the port 10 of the switchmodule and the frontport ethernet of thedigital exciter B Make the connection between the port 3 of the switch module and the frontport ethernet of...

Page 76: ...ctiveconnector of the panellocated at the top of the rack E GPRS Module Cables Optional Connect the drawer DC pigtail Figure 3 54 DC pigtail GPRS Unit MOD GV 40072 F AC Unit Cables Connect the cables on the back of MCCB module Note identification in cables and photo below The cable connectors INTERLOCK and OUTPUT 1 PA does not have identification Figure 3 55 AC Unit Connections Module 40062 For mo...

Page 77: ...m IN A AC Power Feeding Pass theAC power feeding cables through the hole at the rack bottom and connect them to INPUT connector of the MCCB module B Grounding Interlock Insert the grounding cable through the hole and connect it to the GROUND connector of the MCCB module Figure 3 56 Rear partial view of the transmitter INPUT CONNECTOR GROUND CONNECTOR AC CABLES ATTENTION The screws must be properly...

Page 78: ...s as protection for it since this type of loading will be damaged if a power be applied without proper cooling If there is no use for the interlock in the equipment a wire must short circuit the connector C Rigid Line Filter Antenna Connect the curves and rigid lines as required to interconnect the equipment to the filter and the filter to the antenna ATTENTION Prior to energizing the transmitter ...

Page 79: ...ve ASI transport streams as programmingsource b Programming BNC connector is located on the top panel of the transmitter c Connect the applicable signal cables on the top cover of the rack Figure 3 57 Connections Panel Transmitter RF AFTER FILTER IN A GPS ANTENNA IN A ASI 1 INPUT ASI 2 INPUT ASI 1 OUTPUT External 10MHz reference ...

Page 80: ...RF power DC currents temperature alarms and communication A Initial Precautions Firstly you must ensure that the general circuit breaker is off Ensure that the POWER ON OFF button is off should be in the OFF position Check with multimeter theAC input voltage of the transmitter and verify that it is within specifications Trigger the circuit breaker on the lower front panel of the transmitter Connec...

Page 81: ...Activation Sequence Verify Alignment of the transmission antenna Insertion loss in the transmission cable General conditions of the radiating system connectors cables etc Connections of the Digital Exciter s output to the input RF IN of the power drawer Connections of the power drawer s output to the band pass filter s output Connectionof the cable to the transmitter s antenna Connection of the me...

Page 82: ...u 0000 and press ENTER Select Clear Alarm Log 3000 Press ENTER Deleted alarms LED PASTALARM deleted Verification of the communication Status between Power drawer and the Exciter In the Main Menu screen select Measurements and press ENTER Select Communication Satus and press ENTER In the 2500 screen will be shown the communication Status RS485 with the power drawer NOTE Only the SYNC LOSS TS 1 and ...

Page 83: ...nts 2300 Press ENTER Readings sequence of power drawer s currents screen 2320 Are shown the readings related to the quiescent current of the transistorswhich can be displayed in three sequences of the 2320 screen to the power drawer 01 Use the key to view the current modules and the keys or to select the drawer The current of the Driver ID shall be about 1 2 A The currents I1 I3 I5 and I7 shall be...

Page 84: ...erature Press ENTER Use the button to display the remaining items on this menu To select the drawer use the button or To change the temperature from º C to º F press and hold and Programming the Power to 10 of rated output Gradually increase the output power of the transmitter to 10 of the rated output In the screen Main Menu 0000 select Setup Menu Press ENTER Select Power Setup and press ENTER ...

Page 85: ... RF power Confirm the selected value by pressing the ENTER key center key on the keyboard Indicates that the configuration has not been confirmed Measuring the power Select Power in the screen Measurements 2000 Press ENTER Use button to display the remaining items on this menu Screen 2100 The ALC voltage is directly proportional to the RF power at the transmitter output ...

Page 86: ...equipment by the absence presence of theASI signal Select Transmitter Setup in the screen Setup Menu 1000 Press ENTER Access Automatic Level Control and select On Use the key to display the next screen option NOTE If an alarm occurs during the power increase it isadvisable to reset the output power of the transmitter to seek the solution If necessary contact the Service Department of Hitachi Kokus...

Page 87: ...of measures relating to the Input Flow BTS Broadcast Transport Stream Toaccess the screen of BTS flow measure one should follow the following sequence of screens starting from the Measurementsmenu In the screen Measurements 2000 select Transport Stream Press ENTER Use the key to display the remaining items on this menu ...

Page 88: ...he digital display according to instructions given in the section 5 B Transmitter s Pre Correction The linear and non linear pre corrections are previously applied to the transmitter in the factory C Enable and disable the linearization Non Linear Pre Correction You can enable or disable the non linear pre correction by the front panel Linear Pre Correction You can enable or disable the linear pre...

Page 89: ...nt screen MEASUREMENTS 2000 by the software s navigation Menu in the digital display according to instructions given in the Operation Section of the Digital Control System If the value of the reflected power exceeds the value of 2 of rated power the control will immediately signal this fact by lighting the LED current alarm on the front panel of the digital exciter will provide on the current alar...

Page 90: ...tting can be changed according to ambient temperature and transmitter efficiency You can change this setting by following the procedure below With the transmitter in the operating power for at least 30 minutes access the web page of the transmitter or the USB interface of the power drawer and check the rotation of the fans Fan rotation should be between 2000rpm and 7000rpm After checking all fans ...

Page 91: ...ed in the ATSC transmitters located within of the exciter 5 1 1 Front Panel Figure 5 1 Exciter s front view On the front panel of the Exciter there is a LCD Display with 2 lines and 40 columns Also a circular keypad with a set of 4 command keys in gray color and one centered termed ENTER on black color An escape key ESC complete the set of 6 keys that allows an easy operator transmitter interactio...

Page 92: ...cel the selection and return to the previous screen 5 2 2 Display To browse over the LCD screen follow the instructions below Using the key or position the cursor represented by an arrow next to the item to be accessed Press ENTER Remark Please note that all screens are assigned a 4 digit number on the top right of the LCD screen These numbers represents the screen position on the command menu 5 2...

Page 93: ... 8VSB ATSC Digital Exciter Channel 14 TV Transmitter Output 10 03 16 2900 W 15 24 37 Any key Main Menu Measurements 2 5 0000 Main Menu System Alarms Log 3 5 0000 Main Menu Remote Access 4 5 0000 Main Menu Options 5 5 0000 5 3 Flowchart Screens 5 3 1 Presentation and Main Options Main Menu Setup Menu 1 5 0000 Up and Down Keys idle for 5 minutes ...

Page 94: ...ppression Setup Menu 05 17 1000 Pre Correction Setup Menu 06 17 1000 Modulation Settings Setup Menu 07 17 1000 Time and Date Setup Setup Menu 08 17 1000 Password Setup Setup Menu 09 17 1000 Transport Stream Input Setup Menu 10 17 1000 Alarms Mask Setup Menu 11 17 1000 USB Setup Setup Menu 12 17 1000 USB Host Access Setup Setup Menu 13 17 1000 Crest Factor Reduction Setup Menu 14 17 1000 Clock Refe...

Page 95: ...1300 Q Phase 0 00º Enter Key Left or Right Keys Enter Key Setup Menu 04 17 1000 LO Leakage Suppression WARNING Changing these parameters may damage the equipment Continue No WARNING Changing these parameters may damage the equipment Continue Yes LO Leakage Suppression I Oset 0 00 mV 1 2 1400 Esc Key Esc Key Up and Down Keys LO Leakage Suppression Q Oset 0 00 mV 2 2 1400 Left or Right Keys Enter Ke...

Page 96: ... 2 1600 Pilot Level Offset 0000 Up and Down Keys Enter Key Setup Menu Password Setup 08 17 1000 Password Setup 1 2 1800 Enable Choose new password New Password 1 1 1810 Write new password 0 0 0 0 Up and Down Keys Esc Key Password Setup Disable Password 2 2 1800 Setup Menu 09 17 1000 Transport Stream Input Transport Stream Input Setup 1 3 1900 TS Switch Mode Automatic Up and Down Keys Up and Down K...

Page 97: ...p 2 8 1E00 2nd Priority External PPS Clock Reference Setup 3 8 1E00 3rd Priority External 10M Clock Reference Setup 4 8 1E00 4th Priority Internal GPS Clock Reference Setup 5 8 1E00 User Cal 131072 50 0 0000 PPB Clock Reference Setup 6 8 1E00 PPBmax Cal 1500 Clock Reference Setup 7 8 1E00 PPBmin Cal 1500 Clock Reference Setup 8 8 1E00 Zero PPB Cal 131072 Enter Key Left or Right Keys Enter Key Setu...

Page 98: ...c Key Up and Down Keys Esc Key Up and Down Keys Drawer 01 02 Power 2 2 2310 28V Driver Power Supply 28 8 V Drawer Measurements 2 3 2300 Current Drawer 01 02 Current 1 3 2320 I1 7 12 A I2 5 95 A Drawer 01 02 Current 2 3 2320 I3 6 59 A I4 6 29 A Drawer 01 02 Current 3 3 2320 ID 2 14 A Drawer Measurements 3 3 2300 Temperature Drawer 01 02 Temp hold 1 3 2330 T1 36 5 ºC T2 36 48 ºC Up and Down Keys Ent...

Page 99: ...ock Measurements Ext PPS No Signal 8 9 2000 Measurements Clock Measurements 1 7 2800 Clock Measurements Int GPS No Signal ALC Vout 0 00 v Sensor Vin 0 00 v 1 1 2700 Automatic Level Control 7 9 2000 Measurements Automatic Level Control 5 7 2800 50 0 Holdover Clock Measurements Cur Cal 131072 4 7 2800 Clock Measurements Cur TS No Signal Clock Measurements 3 7 2800 Ext 10M No Signal Clock Measurement...

Page 100: ...05 11 13 34 56 3200 05 05 11 13 34 56 Sync Loss Enter Key System Alarms Log Drawers Alarms 3 4 3000 Drawers Alarms Current Alarms 1 2 3300 Drawer 01 01 Current Alarms 1 1 3310 Alarm List Empty Esc Key Drawers Alarms 2 2 3300 Past Alarms hold Enter to Clear Drawer 01 01 Past Alarms 1 1 3320 Alarm List Empty System Alarms Log Clear Alarm Log 4 4 3000 Section 5 System Operation Manual E Compact ATSC ...

Page 101: ... 4200 Host Address IP Address 192 168 100 001 1 1 4130 Gateway 3 3 4100 Frontal Ethernet Port Gateway 2 3 4100 Frontal Ethernet Port Subnetwork Mask 1 1 4110 IP Address 192 168 100 018 1 3 4100 Frontal Ethernet Port IP Address 1 2 4000 Remote Access Frontal Ethernet Port Subnetwork Mask 1 1 4220 255 255 255 000 Subnetwork Mask 1 1 4120 255 255 255 000 4 5 0000 Main Menu Remote Access Section 5 Sys...

Page 102: ...Key Options Options List 2 4 5000 Options List Linear Pre Correction 1 7 5200 Esc Key Up and Down Keys Options Enable Option 3 4 5000 Options List 2 7 5200 Memoryless Non Line Pre Correction Options Time Limited Options 4 4 5000 Options List 3 7 5200 Memory Non Linear Pre Correction Options List Measurement Software 4 7 5200 Options List Crest Factor Reduction 5 7 5200 Options List Scheduler 6 7 5...

Page 103: ...y is pressed these 2 presentation screens will be succeeding each other on the LCD After pressing any key on the keypad the Main Menu screen appears Notes It is always possible to return to the previous LCD screen by pressing the ESC key After 5 minutes the initial LCD screen menu is displayed By the Main Menu it s possible to access all transmitter information divided in five sections Setup Measu...

Page 104: ...ble input stopped failing Off go back to the preferable input if has stopped failing Alarms Mask Enable or disable conditions to generate alarms USB Setup Selects one of three USB ports available on the 8001 Device Rear Device Frontal PC software GUI8001 Host Frontal USB flash drive for software upgrade USB Host Access Setup With USB Host Frontal selected use this menu and follow further instructi...

Page 105: ...to increase the power or 4 to decrease the power Once the desirable power level is adjusted press ENTER for software acknowledgement otherwise the change will not become effective 5 5 2 Transmitter Setup Under this menu it is possible to turn ON and OFF the ALC Automatic Level Control mute or do not mute the RF power output on the absence of Transport Stream and also select being local or remote t...

Page 106: ...y suppression on the superior side band spectrum region An RF sample for monitoring purposes must be taken before the output mask filter The amplitude values are shown in dB and the phase related values ar shown in degress Starting at the setup menu screen 1000 select Image Frequency Suppression and press ENTER The screen below will appear To access the screen Image Frequency Suppression select YE...

Page 107: ...use keys and Enter Tochange between the parameters use keys or To program the values use keys and Toprogram the values use keys and Toprogram the values use keys and Press ESC to return to the Setup Menu Starting from Setup Menu screen 1000 Select LO Leakage Suppression and press ENTER The screen below will appear To access the LO Leakage Suppression screen select Yes by using the keys or ...

Page 108: ...e 5 5 5 Active De active Pre Correction After the linear and non linear pre correction process by Hitachi Kokusai Linear staff through these screens it is possible to activate or de activate the non linear pre correction ON activate the pre correction OFF de activate the pre correction Starting from the Setup Menu screen 1000 Select Pre Correction and press ENTER The screen below will appear ATTEN...

Page 109: ...e keys or to enable or disable the pre correction Press key ESC to return to Pre Correction Setup Select Linear and press ENTER Use the keys or to enable or disable the pre correction Press key ESC to return to Setup Menu ATTENTION When accessing this screen by selecting option YES the operator will be responsible for the changes done on this parameter as well as the effects that these changes may...

Page 110: ...een below will appear To access the Modulation Settings select Yes by using the keys or Selecting NO the software goes to the previous screen Use the keys or to enable or disable the modulation Hit key to view the next screen Use the keys or to adjust the pilot level Its range goes from 2048 to 511 Press key ESC to return to Setup Menu ATTENTION When accessing this screen by selecting option YES t...

Page 111: ...s it will become the set password for the equipment Please be certain to capture and store your password in a safe place To access the password configuration screen the operator must follow the sequences below starting from the Setup Menu 1000 Select Password Setup and press Enter To enable the password or set a new one select Enable Choose new password To set the password use the keys and keys to...

Page 112: ...n Disable password is selected it dispenses the use of password Press key ESC to return to Setup Menu 5 5 9 Transport Stream Input Select Transport Stream Input and press ENTER Use the keys and to configure automatic or manual Hit key to view the next screen Use the keys and to select On or Off Hit key to view the next screen Use the keys or to select TS 1 or TS 2 Press key ESC to return to Setup ...

Page 113: ... Alarms Mask Select Alarms Mask and press ENTER Use the keys or to select TS1 TS2 or TS1 TS2 Press key ESC to return to Setup Menu and hit key to view the next screen 5 5 11 USB Setup Select USB Setup and press ENTER Use the keys or to configure USB Press key ESC to return to Setup Menu and hit key to view the next screen ...

Page 114: ...and hit key to view the next screen 5 5 13 Crest Factor Reduction The screen below will appear To access the Crest Factor Reduction screen select Yes by using the keys or ATTENTION When accessing this screen by selecting option YES the operator will be responsible for the changes done on this parameter as well as the effects that these changes may cause in the equipment if not using the appropriat...

Page 115: ...option and hit key to view the next screen Use the keys or to adjust the value and hit key to view the next screen Use the keys or to adjust the value 5 5 14 Clock Reference Select Clock Reference and press ENTER Use the keys or to program the value Hit key to view the next screen Use the keys or to program the value Hit key to view the next screen ...

Page 116: ...he next screen Use the keys or to program the value Hit key to view the next screen Use the keys or to program the value Hit key to view the next screen Use the keys or to program the value Hit key to view the next screen Use the keys or to program the value Hit key to view the next screen Use the keys or and or to program the value Press key ESC to return to Main Menu ...

Page 117: ...n parameters to have coherence between linearity MER IMD and efficiency This menu should be used to readjust the currents in the transmitter when it is operational See below the parameters that can be modified through this menu and its influence on the equipment s performance Action Result PARAMETER RANGE MER Efficiency Drain Voltage 40V 50V Increase value Improve Decrease Decrease value Decrease ...

Page 118: ...ent and press ENTER The following screen will be displayed To access the Transistor Aging Adjustment button select Yes using the keys or Use the key or to select the desired option Use the key or to set up Confirm the selection by pressing ENTER ATTENTION When accessing the screen by selecting the Yes option the operator shall be responsible for the changes made in this parameter and for the effec...

Page 119: ...n you can configure the operating temperature of the power amplifiers drawer Select PA Temperature Control and press ENTER The following screen will be displayed Use the key or to set up Confirm the selection by pressing ENTER The temperature amplifier PA can be adjusted from 50ºC to 60ºC Note For details on setting the temperature see the Activation section 55 0 ...

Page 120: ... Supply drawer input power supply measurement Driver Power Supply driver input power supply measurement Current Measure the electrical current of the drawer modules Temperature Temperature measurements of the drawers Exciter Power Supply Voltage 3 3V 3 3V voltage power supply measurement 15V 15V voltage power supply measurement 5V 5V voltage power supply measurement 28V 28V voltage power supply me...

Page 121: ... frequency difference between a PPS generated with this reference and the current PPS obtained with the internal control system of the OCXO delivered on PPS output connector When this input is configured as current reference a message identifies if the OCXO is in the frequency or phase locking process and the phase difference is also available Cur TS This field displays NO SIGNAL or UNKOWN SIGNAL ...

Page 122: ...uipment output ALC Reference Voltage To access the Power screen the sequence of screens below must be followed starting from the initial menu Access Measurements Access Power and hit ENTER Hit key to view the other screens that are part of this menu 5 6 2 Transport Stream Togather information about the status of the incoming transport stream follow the instructions below starting on the main menu ...

Page 123: ...o the Measurements screen 5 6 3 RF Power Drawer Measurements For RF Power Module it is possible to measure a Power Supply Voltage 50V Power Supply and 28V Driver Power Supply b electrical current I1 I2 I3 I4 I5 I6 I7 I8 and ID c temperature T1 T2 T3 T4 T5 T6 T7 T8 and TD Hit the ESC key to return to the measurements screen menu or return to the main menu screen and select measurements Select Drawe...

Page 124: ...C701HP thru EC708HP Select Power Supply and hit ENTER Hit key to view the other screens that are part of this menu For select the drawer use the key or Check the displayed data Press ESC to return to the menu Drawer Measurements Select Current and press ENTER Press the key to view the next screen ...

Page 125: ...ystem Operation Manual E Compact ATSC Transmitters EC701HP thru EC708HP Check the displayed data Press ESC to return to the menu Drawer Measurements Select Temperature and press ENTER Hit key to view the other screens that are part of this menu ...

Page 126: ...00 Select Exciter Power Supply and hit Enter Use the Up and Down keys and to check the following voltage measurements Hit ESC key to return to the Measurements screen 5 6 5 Communication among RF drawers From the LCD screen it is possible to conduct and view a diagnostic check f the communication link between the exciter unit and the RF power amplifier drawer P01 Press ESC to the Main Menu screen ...

Page 127: ...digital exciter s microcontrollers and power drawers Such name and version must be reported to the factory in case of maintenance and checking of occurrences It shows also the digital exciter s hardware version The figures below show how to access the version screens from the Measurements menu The sequence below indicates how to access the software version screen starting from the Measurements Men...

Page 128: ...u EC708HP To return to the Measurements press ESC key 5 6 7 Automatic Level Control This screen indicates the voltage levels related to the Automatic Level Control ALC loop Starting from the Measurements Menu 2000 Select Automatic Level Control and hit ENTER Hit ESC key to return to the Measurements screen ...

Page 129: ...smitters EC701HP thru EC708HP 5 6 8 Clock Measurements This screen allows checking the clock measurements The figures below show how to access the Clock screen from the Measurements menu Select Clock Measurements and hit ENTER Hit key to view the other screens that are part of this menu ...

Page 130: ...t stream TS absence SYNC LOSS The next LED alarm is for a current malfunction present on the equipment and requires investigation see CURRENT ALARM The third LED indicates a past alarm see PASTALARM This situation indicates that an alarm is no longer present On normal operation just a green LED is ON which confirms that the AC input power is present Once a CURRENT ALARM LED is ON the origin of the...

Page 131: ...t alarms Press ESC to return to the System Alarms Log menu 5 7 2 Alarm Log Select Alarm Log and press ENTER to view all the existing alarms i e current and past alarms The symbol before the log indicates that the alarm date and time have been recorded The symbol before the log indicates that the date and time in which the alarm stopped have been recorded Example When an alarm stops the correspondi...

Page 132: ...t on the RF power drawer From the System Alarms log screen 3000 Starting from the System Alarms Menu 3000 Select Drawers Alarms and hit ENTER Select Current Alarms and press ENTER to check current alarms Use the keys or to select one among many RF power drawers Press key ESC to return to the previous screen Drawers Alarms Select Past Alarms and press ENTER to check past alarms Use the keys or to s...

Page 133: ...43 5 7 4 Clear Past Alarms Under this menu it s possible to erase the past alarms occurrence Starting from the System Alarms Menu 3000 Select Clear Past Alarms and hit ENTER to erase past alarms occurrences The tables below show all the possible alarms and the respective measures to be taken when an alarm occurs ...

Page 134: ...Fail Lack of LOCK UP Converter Check for mal function on the UP Converter Substitute the module Clock Lock Fail Lack of LOCK Clock modulator Check for eventual cabling badcontact Full analysis of the circuitry will be necessary Get in contact withHitachi Kokusai Fifo Overflow FIFO Overflow modulator Full analysis of the circuitry will be necessary Get in contact withHitachi Kokusai Linear s techni...

Page 135: ...ction on the RS485 cabling These connections are located on the Exciter read panel green connector Get in contact with Hitachi KokusaiLinear s technical support service Reflected Power Reflected power is present at the RF output of the transmitter Check other alarms status that can help for a better diagnostic Check the RF Power passives connections looking for overheating on potential bad contact...

Page 136: ...V equipment power supply Check AC unit Drawers Alarms Failure on the RF Power Drawer Via LCDcheck which RF Power Drawer listed is as the failureone Access Main Menu System Alarms Log Drawers Alarms All PA Fail Indication that the all PA s of the power drawer are damaged This alarm there is only inthe EC701HP Get in contact with Hitachi Kokusai Linear s technical supportservice Driver PA Fail Indic...

Page 137: ...ipment measurements and configurations may be accessed as shown in the operation section Local or remote PC virtual It is possible to change and or monitor all of the parameters and measurements as is done at the frontal panel through the WEB server To accomplish this it is necessary to configure the IP Mask Gateway 5 8 2 IP Configuration Start from the Main Menu Select Remote Access and press ENT...

Page 138: ...press ENTER Configure the desired IP by using the keys or and or Press ESC to the Remote Access screen Hit key to view the next screen 5 8 4 Gateway Configuration Access the Gateway and press ENTER Configure the gateway address by using the keys or and or 5 8 5 Host Address Configuration IP Address Select Host Address and press ENTER Select IP Address and press ENTER ...

Page 139: ...49 Configure the IP Address by using the keys or and or Subnetwork Mask Access the Subnetwork Mask and press ENTER Configure the Subnetwork Mask by using the keys or and or Press ESC to the Host Address screen Access the Host Port and press ENTER Host Port Configure the Subnetwork Mask by using the keys or and or ...

Page 140: ...s EC701HP thru EC708HP Manual Rev 0 0 August 2016 5 50 Select Serial Number and press ENTER 5 9 Options Select Options and press ENTER Hit key to view the next screen Select Option List and press ENTER Hit key to view the other screens that are part of this menu ...

Page 141: ... Operation Manual E Compact ATSC Transmitters EC701HP thru EC708HP Press ESC to return the Options screen Hit key to view the next screen Select Enable Option and press ENTER Select time Limited Options and press ENTER Hit key to view the next screen ...

Page 142: ...s a noise or an abnormal vibration in the fan located inside the equipment it should be replaced This same procedure should be followed for the frontal panel fans in the power drawers or the excitation module 6 2 Preventive Maintenance The purpose of the preventive maintenance is to make sure through measurements and proper care described in the following paragraph that the equipment works well fo...

Page 143: ... in the equipment and the irradiant system arecorrect 2 Verify if there is water from rain coming through the RF cables or water dripping from the shelter s ceiling 3 Verify all the air inputs and outputs of the equipments to make sure they are not blocked 4 When you finish the visual inspection put the side covers back 6 2 3 Reading Verification Make all the possible measurements through the inst...

Page 144: ...Anexo A EC702HP ATSC Transmitter Connections CONTROL I O Exciter A and Exciter B Anexo A Rev 0 0 April 2016 1 4 Annex A Connections CONTROL I O ...

Page 145: ...o A Rev 0 0 April 2016 2 4 7 7 9 9 5 5 4 4 3 3 2 2 10 11 16 17 18 14 13 12 20 19 6 6 Conector 1 Conector 2 1 Digital Exciter Connections 1 1 Exciter A Connections Control I O MONITORING Equipment Connector 1 Connector 2 2 3 4 5 6 7 9 10 11 12 13 14 16 17 18 19 20 Connector 2 Connector 1 ...

Page 146: ... A and Exciter B Anexo A Rev 0 0 April 2016 3 4 Conector 1 Conector 2 7 7 9 9 5 5 4 4 3 3 11 16 17 18 14 13 12 20 19 6 6 1 2 Exciter B Connections Control I O MONITORINGEquipment Connector 3 Connector 4 3 4 5 6 7 9 11 12 13 14 16 17 18 19 20 Connector 4 Connector 3 ...

Page 147: ...S EXC A 8V GY READING 15V NC GY READING 15V 3 OR DIGITAL I O OR 50V READING RD DIGITAL I O OR 50V READING 4 BW PHASE FAULT RD DIRECT POWER READING BW PHASE FAULT RD DIRECT POWER READING 5 BK ALR VENT NC BK ALR VENT NC CLOCK 6 NC WH REFLECTED POWER READING NC WH REFLECTED POWER READING 7 YL EXT EXCITER ALM YL BK POWER AMP OFF YL EXT EXCITER ALM YL BK POWER AMP OFF 8 NC WH RS 485A NC WH RS 485A 9 RD...

Page 148: ...Anexo B EC702HP ATSC Transmitter UHF Splitter QS2C and UHF Hybrid Coupler HC40C Annex B Specifications UHF 2 Way Quadrature Hybrid Splitter QS2C UHF Hybrid Coupler HC40C ...

Page 149: ... theoretical 3 01 dB Return Loss VSWR 22 dB 1 17 Isolation 22 dB Amplitude Balance Within 0 1 dB Phase Response 90 0 3 Max Operating Temperature 65 C 149 F Environmental Conditions 5 to 55 C 23 to 131 F IP60 EN 3 1 Dimensions Weight 1 119x79x17 mm 0 3 kg 0 7 lb Connector Interface 3 x 12 mm Connectors 2 D PC12A D PC12C SMA Female N Female 1 Default configuration 2 Other Connectors available Inform...

Page 150: ...emperature 65 C 149 F Environmental Conditions 5 to 55 C 23 to 131 F IP60 EN 3 1 Dimensions Weight 1 170x58x42 mm 1 kg 2 2 lb Unified Connector Interface 4 x 32 mm Connectors 2 D PC32C D PC32D D PC32E D PC32F D PC32G D PC32H D PC32I D PC32I0 D PC32J D PC32K N Female N Male 7 16 Female Default 7 16 Male 7 8 FastLine Socket 7 8 EIA FastLine Flange 7 8 FastLine Plug 7 8 Quick Plug 1 5 8 FastLine Sock...

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