Page 1 Operation Manual kW 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 W A R N I N G All 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 Hitachi Kokusai Linear Equipamentos Eletrônicos S/A TECHNICAL ASSISTANCE n our Quality Management System, since several devices are received without proper identification and explanations; we are now working with previous approval for maintenance devolution. herefore, in case of maintenance please contact: Hitachi Kokusai Linear Equipamentos Eletrônicos S/A...
Page 4 Hitachi Kokusai Linear Equipamentos Eletrônicos S/A WARNING MANDATORY CONDITIONS FOR TRANSMITTER INSTALATION, FOR VALIDATING THE WARRANTY TERMS 1. Proper grounding; 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.
Page 5 It is important to have isolation between energy stations of the shelter and the TV transmitter, which is achieved with the usage of isolator transformers. Thus is guaranteed that no AC Mains’ transient coming from the shelter will be passed on to the TV transmitter or vice-versa. Besides, Hitachi Kokusai Linear’...
Page 6: Table Of Contents
AC Unit Panel........3-17 Technical Specification - E-Compact TV ATSC Transmitters ............. 1-20 3.5.5 Top Panel ..........3-18 Photo - EC702HP Tansmitter ........ 1-21 Power Network Connections ......3-19 3.6.1 Power Feeding Options ......3-19 3.6.2 AC Power Cable Connections ..... 3-19 Section 2 - Minimum Installation UNPACKING..............
Page 7 Section 5 - System Operation Manual Remote Management System (Telesupervision) 5-47 Introduction ............. 5-1 5.1.1 Front Panel ..........5-1 5.8.1 IP Configuration ..........5-47 Digital Exciter - The Master Control Unit ....5-1 5.8.2 Mask Configuration ........5-48 5.8.3 Gateway Configuration ......... 5-48 5.2.1 Keypad ..............
Page 8: Section 1 - Introduction
The purpose of this manual is to provide the technical information required for the installation and operation of transmitters in UHF TV signals (digital ATSC) in the E-Compact series. Hitachi Kokusai Linear Electronic Equipment S/A recommends that you carefully read the sections of this manual before installing or operating this equipment.
Page 9: General Description
This section contains a general description of the ATSC TV transmitters of the E-Compact series. Included in this section are the functional description of power drawers and digital exciter, block diagrams and technical specifications of the system. EC701HP EC702HP EC703HP EC704HP EC706HP...
Page 10: Transmitter's Control System
1.4.1 Transmitter’s Control System  Control Architecture for Hitachi Kokusai Linear’ Transmitters: Hitachi Kokusai Linear’s transmitter control system allows control and monitoring, through front display, all parameters of the equipment. This system is comprised by a control unit (exciter’s integrated function) which through a RS485/ MODBUS network, gather and sends information to the power drawers.
Page 11 Pinout configuration MODEL MODULE ADDRESS MODBUS (decimal) (MSB) A2 A1 A0 (LSB) (binary) EC701HP PA Drawer #1 PA Drawer #1 EC702HP PA Drawer #2 PA Drawer #1 PA Drawer #2 EC703HP PA Drawer #3 PA Drawer #1 PA Drawer #2...
Page 12 Section 1 - Introduction (UHF Digital TV Transmitters) E-Compact - Air Cooling - ATSC - High Power The Architecture of Control for Hitachi Kokusai Linear Transmitters is composed of subcontrol blocks characterized by Control / Exciter Drawers and by Power Drawer. This architecture allows the distribution of control functions.
Page 13: E-Compact Atsc Transmitters Models
8,500Wrms (digital). Following in Table 1-2, the available model are listed. Table 1-2 E-Compact ATSC Transmitter Models (High Power) TRANSMITTER NUMBER OF POWER OUTPUT RATED POWER MODEL DRAWER (Wrms) EC701HP EC702HP 1400 EC703HP 2100 EC704HP 2900 EC706HP 4200 EC708HP 5600...
Page 14 MC C B M OD U LE FOR DIGITAL EXCITER A/B +15V +8V +5V +50V LOAD 1B MCCB THREE PHASE 220V / 38 0V MO DUL E 40031 MO DUL E 40041 Figure 1-2 Block Diagram of the Transmitter model EC702HP...
Page 15: Functional Description Of The System
Section 1 - Introduction (UHF Digital TV Transmitters) E-Compact - Air Cooling - ATSC - High Power 1.4.5 Functional Description of the System 1.4.5.1 ATSC Digital Exciter The exciter is formed by the MOD GV 40153 module drawer more optional (internal GPS, and other software optional).
Page 16 Major changes on the transmitter configuration are possible with factory assistance. The Digital Exciter interacts with the HITACHI proprietary software (GUI8001) that performs the implementation of linear and non-linear pre-correction as required; the software also conducts measurements on the demodulated signal, such as MER and power spectrum readings, among others.
Page 17 Delay Delay Time Time Digital Board Digital Board Adjust Interleaving Adjust Interleaving Memories Memories Memory Memory Memory Memory SRAM SRAM SRAM SRAM SRAM SRAM +28V +28V IF Mute FPGA FPGA IF Mute DAC _EN ABLE DAC _EN ABLE Rear Rear USB/FIFO ASI Output USB/FIFO...
Page 18 Analog Board Analog Board Up-Converter Up-Converter 10MHz lo 10MHz lo Loc k_D etect 2 Loc k_D etect 2 SPI_LO SPI_LO Local Local LO_Q LO_Q Test_Point_4 Test_Point_4 Oscillator Oscillator Null Null SPI_LO SPI_LO LO_I LO_I 2xLO 2xLO IF I Balance Balance IF I UP-Converter UP-Converter...
Page 19 Section 1 - Introduction (UHF Digital TV Transmitters) E-Compact - Air Cooling - ATSC - High Power Description of main circuits: Equalizer input circuit ASI 1 e 2 Equalize and convert DVB-ASI signal into a differential LVDS signal to the FPGA. Circuit Cable Driver of the outputs ASI 1 e 2 Converts the LVDS signal provided by the FPGA to DVB-ASI electrical standard.
Page 20 Section 1 - Introduction (UHF Digital TV Transmitters) E-Compact - Air Cooling - ATSC - High Power Digital-to-Analog Converter and Analog FI generation Composed of the DA converter, reconstruction filter (low pass with fc ~ 50MHz) and FI amplifier. The DA converter operates at 172.0195804 MSPS (interpolation factor equal to 2) and the output amplifier with gain of 7dB has a protection circuit that inhibits its operation during the transient power supply and system startup.
Page 21: Coaxial Relay (Optional Dual Excitation)
, to excite the UHF amplifiers in the drawer power. Figure 1-7 - Splitter (UHF 2-Way Hybrid Splitter - QS2C - used in the EC702HP transmitter) 1.4.5.4 UHF Power Amplification System The amplification system comprises power drawers PA708HP model (MOD GV40001) (*6) combined to obtain the final output power.
Page 22 Section 1 - Introduction (UHF Digital TV Transmitters) E-Compact - Air Cooling - ATSC - High Power  Power Amplifiers which cover the entire UHF band  Power transistors LDMOS NXP BLF888A  Automatic control of the quiescent currents of the power transistors depending on the temperature.
Page 23 Section 1 - Introduction (UHF Digital TV Transmitters) E-Compact - Air Cooling - ATSC - High Power Figure 1-9 - Front view of the power drawer Table 1-3 Power Drawer Technical Specification CHARACTERISTIC SPECIFICATION Input Impedance 50 ohms Loss of input return Better than 19dB RF Input connector Plug-in...
Page 24: Power Combiner
There are five models of load bank of drawers:  056402 - MOD GV 40041 DL0K5W EC702HP  056395 - MOD GV 40040 DL1K0W EC703HP  055356 - MOD GV 40027 DL1K9W EC704HP ...
Page 25: Filtering System
Section 1 - Introduction (UHF Digital TV Transmitters) E-Compact - Air Cooling - ATSC - High Power 1.4.5.7 Filtering System The TV transmitter is endowed with a filtration system that ensures that the spectral conformity of the TV channel broadcast on UHF stay in accordance with the parameters set by international standards (FCC, ITU and Anatel).
Page 26: Electrical Distribution Drawer (Mccb)
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...
Page 27: Technical Specification - E-Compact Tv Atsc Transmitters
Output Connector EIA 1-5/8" EIA 1-5/8" EIA 1-5/8" EIA 1-5/8" EIA 3-1/8" EIA 3-1/8" EIA 3-1/8" off. Contact Hitachi Kokusai Linear for PA Modules 1 module 2 module 3 module 4 module 6 module 8 module 12 module op t ionals availab il i ty in each standard.
Page 28: Photo - Ec702Hp Tansmitter
Section 1 - Introduction (UHF Digital TV Transmitters) E-Compact - Air Cooling - ATSC - High Power Photo - EC702HP Transmitter Figure 1-13 - Front view of the EC702HP Manual Rev. 0.0 - April 2016 1-21...
Page 29 Section 1 - Introduction (UHF Digital TV Transmitters) E-Compact - Air Cooling - ATSC - High Power E-Compact Series - Installation CheckList (Use before turning the transmitter on for the first time) Task Description Electrical. External Grounding from the AC panel. Grounding Cabinet.
Page 30: Section 2 - Minimum Installation
Moreover, it must be checked the potential difference between the ground and neutral (if any) terminals to be connected to the Hitachi Kokusai Linear TV transmitter. Such potential difference must be maximum 3V. The voltage stabilizer or UPS must be dedicated to the Hitachi Kokusai Linear TV transmitter.
Page 31: Insulation
30% above the specified TV transmitter consumption in kVA. The Hitachi Kokusai Linear TV transmitter should not be installed within a radius of 10 meters from the 13-kVA transformer, as it could cause interferences due to the electromagnetic field or sparking in the internal brushes.
Page 32 Section 2 - Minimum Installation Requirements (E-Compact ATSC Transmitters) Sizing of the UPS (cos Φ * η PW UPS = PTX (real) (UPS) TX (real) Real Power [W] cos Φ : Power Factor Correction η (UPS) Efficiency of the UPS STATIC BYPASS KEY RETIFIER INVERTER...
Page 33: Wire Gage
Section 2 - Minimum Installation Requirements (E-Compact ATSC Transmitters) 2.2.1.4 Wire Gage  Wire gage calculation (phases and neutral) Where: P: Maximum apparent power* (in I: current between phases (in Ampere) VA) consumer by the transmitter E : Voltage between phases: Three-phase 220V: E = 220V •...
Page 34: Cable Protectors
• TV TRANSMITTERS FROM 500 TO 1kW: from 0º to 30ºC • TV TRANSMITTERS ABOVE 2kW: from 0º to 25ºC If a Hitachi Kokusai Linear equipment is damaged due to the lack or inefficiency of the air conditioning system, it shall NOT be covered by the guarantee.
Page 35: Cooling
For improved cooling system performance, the air conditioner should be installed 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.
Page 36: Section 3 - Installation
Such notice would be used to establish the responsibilities for the product integrity. Hitachi Kokusai Linear carries out operating tests at the factory on every transmitter in order to ensure proper operation after delivery to the user. Nevertheless, if the equipment does not operate after the start-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.
Page 37: Tower
Section 3 - Installation (ATSC EC702HP Transmitter) 3.3.2 Tower For the installation of the TV transmission and reception system, the tower must be made with hot-dip galvanized steel. A lightning protection system should be installed in the tower as well as nocturnal beacons bulbs with red glass.
Page 38 Section 3 - Installation (ATSC EC702HP Transmitter) Distance between the Rx and Tx Antennas They should be placed as far as possible from each other in order to isolate the transmitted signal from the received signal. Polarization It is very important to verify the polarization of the received signal, which can be vertical, horizontal or circular.
Page 39: Equipment Installation Indoors
Section 3 - Installation (ATSC EC702HP Transmitter) 3.3.4 Equipment Installation Indoors Small equipments must be placed on a table in a way to provide easy access from all sides and be at least one meter far from the walls. Do not place anything on the top of the equipment in order not to compromise its natural ventilation.
Page 40: Electric Installation Grounding
Section 3 - Installation (ATSC EC702HP Transmitter) 3.3.6 Electric Installation Grounding The shelter installations receive power through an aerial power line. Moreover, because of it, the lightning discharges that might hit the power lines generate power surges that can reach the shelter and consequently the equipments.
Page 41: Mechanical Drawings
Section 3 - Installation (ATSC EC702HP Transmitter) Mechanical Drawings This section shows the mechanical drawings relative to the external structure of the equipment, including location of drawers, panels, etc. 3.4.1 Front View EXCITER A EXCITER B ETHERNET SWITCH* CABLES ORGANIZER...
Page 42: Rear View
Section 3 - Installation (ATSC EC702HP Transmitter) 3.4.2 Rear View Figure 3-2 Rear wiew - Model EC702HP (double exciter) Manual Rev. 0.0 - April 2016...
Page 43: Side View
Section 3 - Installation (ATSC EC702HP Transmitter) 3.4.3 Side View Figure 3-3 Side View - Model EC702HP Manual Rev. 0.0 - April 2016...
Page 44: Dimensions (Mm)
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 Manual Rev. 0.0 - April 2016...
Page 45 Section 3 - Installation (ATSC EC702HP Transmitter) 3.4.5 Top view Figure 3-6 Top view of EC702HP Manual Rev. 0.0 - April 2016 3-10...
Page 46: Front Panel
Section 3 - Installation (ATSC EC702HP Transmitter) Front Panel The transmitter's front panel provides access to the following drawers: Digital Exciter, Power Drawer, Rejection Loads and AC Unit. 3.5.1 Digital Exciter The Digital Exciter's front panel contains the display, the initialization LEDs and the keyboard.
Page 47 Section 3 - Installation (ATSC EC702HP Transmitter) Rear Panel The following elements are located in the digital exciter's rear panel: 1- On/Off switch 2- 3-pin AC feeding connector. 3/ 11- Air output. 4- USB Port - USB Device Port, used for GUI8001...
Page 48 Section 3 - Installation (ATSC EC702HP Transmitter) 16- RF OUTPUT Function: RF signal output Type: N female  Impedance: 50  17- CAM Function: Conditional Access Module compatible with IRDETO cards and CONAX. Supports multiple services. Type: PCMCIA 18- AFTER F.
Page 49: Power Drawer
Section 3 - Installation (ATSC EC702HP Transmitter) 3.5.2 Power Drawer INDICATOR LEDS USB INTERFACE ON/OFF SWITCH Figure 3-9 Front View of Power Drawer - Module MOD GV 40001 / 40087 Changing Functions of the LED’s of the GV 40001 front panel...
Page 50 Section 3 - Installation (ATSC EC702HP Transmitter) PLUG-IN POWER SUPPLY RF OUTPUT RF INPUT CONNECTOR FUSE AC INPUT CONTROL INTERFACE Figure 3-10 Rear view of the Power Drawer - Model MOD GV 40001 Identification: The following elements are located in the power drawer's rear panel: RF OUT - Unflanged 7/8"...
Page 51: Rejection Loads Drawer
Section 3 - Installation (ATSC EC702HP Transmitter) 3.5.3 Rejection Loads Drawer Figura 3-12 Front View of the Rejection Loads Drawer - Module MOD GV 40041 Changing Functions of the LED’s of the Dummy Load front panel 1) LED’s Status Green light indicates OK...
Page 52: Ac Unit Panel
Section 3 - Installation (ATSC EC702HP Transmitter) 3.5.4 AC Unit Panel IDENTIFICATION: MCCB Function: Transmitter feeding Type: Switch breaker START - ON/OFF switch MCCB START Figure 3-14 Front View MCCB - MOD GV 40031 Description This drawer provides voltages to the control and verification / measurement of power line voltage allowing a controlled manner to energize the transmitter.
Page 53: Top Panel
Section 3 - Installation (ATSC EC702HP Transmitter) 3.5.5 Top Panel 6,8- GPS ANTENNA IN A / GPS ANTENNA IN B  Function: Antenna input for the GPS module  Type: SMA Female 7- CONTROL PORT  Function: Equipament Managment  Type: RJ45 9,11- ASI / 310M IN 1A / ASI / 310M IN 1B ...
Page 54: Power Network Connections
If the network structure is changed without previous notice, the transmitter guarantee shall be suspended. NEVER change the transmitter's network structure without previous instruction from Hitachi Kokusai Linear Equipamentos Eletrônicos S/A's Digital Support department. Undue or mistaken changes could not only endanger the equipment, but also the people operating it.
Page 55 Thank you for selecting Hitachi LINEAR for your TV Broadcast needs. The transmitter you are about to install was tested and approved by Hitachi LINEAR quality control. It is factory set on the requested channel and output power, and in accordance with ANATEL regulations.
Page 56 ELECTRONIC EQUIPMENT. THE INSTALLATION, OPERATION, AND MAINTENANCE OF THIS EQUIPMENT INVOLVE RISKS TO PERSONNEL AND ALSO TO THE EQUIPMENT. 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.
Page 57 Section 3 - Installation (ATSC EC702HP Transmitter) Returns and Exchanges Equipment (Damaged or undamaged) should not be returned unless written approval and a Merchandise Return Authorization (MRA Number) is received from your Linear Sales representative or Linear Customer Service. Special shipping instruction will be provided which will assure proper handling.
Page 58: Unpacking
Section 3 - Installation (ATSC EC702HP Transmitter) UNPACKING Note: packaging the images shown herein, are for illustrative purpose only. POWER DRAWERS 1- Find the crate power drawer. 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.
Page 59 Section 3 - Installation (ATSC EC702HP Transmitter) 4- Remove the plastic packing of the power drawer. Figure: 3-21 Power Drawer with plastic packing Figure: 3-22 Power Drawer and plastic packing EXCITER AND SWITCH 1- Find the crate exciter and switch.
Page 60 Section 3 - Installation (ATSC EC702HP Transmitter) 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. FOAM Figure: 3-26 Cardboard box with spumes and switch Manual Rev.
Page 61 Section 3 - Installation (ATSC EC702HP Transmitter) 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 plastic packaging...
Page 62 Section 3 - Installation (ATSC EC702HP Transmitter) RIGID LINES 1- Find the crate rigid line. Figure: 3-30 A typical rigid lines crate 2- Open the crate to unpack. Figure: 3-31 Open Wooden box Manual Rev. 0.0 - April 2016 3-27...
Page 63 Section 3 - Installation (ATSC EC702HP Transmitter) 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 Manual Rev.
Page 64 Section 3 - Installation (ATSC EC702HP Transmitter) 2- Open the crate to unpack. Figure: 3-35 Open crate 3- Remove each modules packaged in foams. Figure: 3-36 Crate and foams with modules Manual Rev. 0.0 - April 2016 3-29...
Page 65 Section 3 - Installation (ATSC EC702HP Transmitter) 4- Remove the adhesive strip, the foams and then the modules. Figure: 3-37 Modules and spumes RACK 1- Find the crate rack. Tipping label Figure: 3-38 A typical rack crate Manual Rev. 0.0 - April 2016...
Page 66 Section 3 - Installation (ATSC EC702HP Transmitter) 2- Open the crate to unpack. Carefully remove the rack. re: 3-39 Figu Crate and rack 3- Remove the foams. Visually inspect for damage during shipping. FOAM RACK WITH PLASTIC PACKAGING Figure: 3-40 Rack and foams Manual Rev.
Page 67 Section 3 - Installation (ATSC EC702HP Transmitter) 4- Remove the plastic packaging of the rack. Figure: 3-41 Rack with plastic packaging Figure: 3-42 Rack and plastic packaging Manual Rev. 0.0 - April 2016 3-32...
Page 68: On Site Physicalassembly
Section 3 - Installation (ATSC EC702HP Transmitter) ON SITE PHYSICAL ASSEMBLY  NOTE: trained personnel ONLY should conduct the on-site physical assembly. The air intake (front) and air outlet (back) should be completely clear. 3.8.1 Assembly Instructions 1- Unpacking the transmitter and drawers.
Page 69 Section 3 - Installation (ATSC EC702HP Transmitter) 3- Insert and fasten the MCCB drawer. 4- Insert and fasten the rejection loads drawer. 5- Insert and fasten the other power drawers in the rack in the following sequence P2 and P1, i.e.
Page 70: Connections
Section 3 - Installation (ATSC EC702HP Transmitter) 3.8.2 Connections 3.8.2.1 Internal Connections The following connections must be made: - RF cables - AC power cables and grounding - Digital exciter cables - Rejection loads drawer cables - Ethernet* Switch - GPS antenna cables (optional)
Page 71 Section 3 - Installation (ATSC EC702HP Transmitter) Connection between combiner and rejection load STEP 1  Locate the combiner cable with the 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”.
Page 72 Section 3 - Installation (ATSC EC702HP Transmitter) B- AC power cables and exciter’s grounding  Connect the AC feeding pigtail to the identified 3-pin connector located in the left side of the each Digital Exciter drawer’s rear panel. EXCITER A...
Page 73 Section 3 - Installation (ATSC EC702HP Transmitter)  Connect the other points of digital exciters according to the table (s) below: TO EXCITER A CONNECTOR CONNECTOR FROM DESCRIPTION DESCRIPTION AFTER F. Top cover of the transmitter RF AFTER FILTER IN A BEFORE F.
Page 74 Section 3 - Installation (ATSC EC702HP Transmitter) TOP COVER TRANSMITTER CONNECTOR DESTINATION CONNECTOR DESCRIPTION DESCRIPTION ASI OUT A Exciter A ASI OUT 1 ASI / 310M IN 2A Exciter A ASI / 310M IN 2 ASI / 310M IN 1A...
Page 75 Section 3 - Installation (ATSC EC702HP Transmitter)  Locate the communication cable (with green connectors in its end) and connect it to the digital exciters, taking into account the respective identification numbers and the picture below. CONNECTOR WITH IDENTIFICATION 1...
Page 76 Section 3 - Installation (ATSC EC702HP Transmitter) The infomation of the connections below refer only to equipments which have optional GPS and GPRS modules. D- GPS Module Cables (Optional)  Position the GPS antenna next to a window, for example.
Page 77: External Connections
Section 3 - Installation (ATSC EC702HP Transmitter) 3.8.2.2 External Connections The following external connections must be made: - AC power feeding - Grounding / Interlock - Rigid line / Filter / Antenna - Transport Stream IN A- AC Power Feeding ...
Page 78 Section 3 - Installation (ATSC EC702HP Transmitter) REMARK Interlock is a protection device that energizes the contactor from a external command. The contactors of feeding of the power drawers, will only be engaged if the interlock is short circuited or if the external element (dummy load) provide a dry contact to the transmitter.
Page 79 Section 3 - Installation (ATSC EC702HP Transmitter) D- Programming a. The transmitter is ready to receive ASI transport streams as programming source. 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.
Page 80: Section 4 - Initial Activation
Section 4 - Initial Activation (ATSC Transmitters) Section 4 Initial Activation Introduction After finishing the installation, the equipment is ready to be activated. It is important to observe that the transmitter is configured at the factory with the parameters that were supplied by the customer at the time he made the purchase, such as the channel output, power, MER, etc.
Page 81 Section 4 - Initial Activation (ATSC Transmitters) Setting the output power to 0 watts For security purposes, access the power programming screen (POWER SETUP [1100]) of the exciter by Menu navigation software, no display digital and set the transmitter’s power to zero watts.
Page 82 Section 4 - Initial Activation (ATSC Transmitters)  NOTE: Only the SYNC LOSS TS 1 and SYNC LOSS TS 2 Fail alarms are acceptable. If the input signal (TS) is present, just the led PAST ALARM shall remain lit. Resetting the status of older alarms (PAST ALARM) >...
Page 83 Section 4 - Initial Activation (ATSC Transmitters) Verification of current (Standby) on the main RF transistors of power drawers > Select Drawers in the screen Measurements [2000]. Press ENTER. > > Select Current in the screen Drawer Measurements [2300]. Press ENTER. >...
Page 84 Section 4 - Initial Activation (ATSC Transmitters) Verification of the temperatures of the modules in each power drawer > > In the screen Drawer Measurements [2300], select Temperature. Press ENTER. >  Use the “ ” button to display the remaining items on this menu. >...
Page 85 Section 4 - Initial Activation (ATSC Transmitters) Program the value of 10% of rated output. Use the right button on your keyboard to increase the RF power. Confirm the selected value by pressing the ENTER key (center key on the keyboard). Indicates that the configuration has not been confirmed.
Page 86  NOTE: If an alarm occurs during the power increase, it is advisable to reset the output power of the transmitter to seek the solution. If necessary contact the Service Department of Hitachi Kokusai Linear Electronic Equipments S / A.
Page 87 Section 4 - Initial Activation (ATSC Transmitters) > Set the Mute on TS Loss: Off Verification of measures relating to the Input Flow (BTS - Broadcast Transport Stream) To access the screen of BTS flow measure, one should follow the following sequence of screens, starting from the Measurements menu: >...
Page 88: Connections And Final Checks
Section 4 - Initial Activation (ATSC Transmitters) Connections and Final Checks Connect Transport Stream (TS) cable at the transmitter’s upper panel. At this time the LED SYNC. LOSS and the LED of the CURRENT ALARM will extinguish and the LED PAST ALARM will light.
Page 89: Serial Terminal Emulators
Section 4 - Initial Activation (ATSC Transmitters) B- Via USB with the Digital Exciter The communication of the digital exciter via USB port, is only possible with the use of the software GUI8001 (optional). 4.3.2 Serial terminal Emulators The Power Drawer can be configured using the serial terminal emulators. 4.3.3 Forbidden operations There are transmitter parameters which are configured at the factory, parameters defined on the purchase of the transmitter, which are not available to change.
Page 90: Automatic Power Reduction Table
Section 4 - Initial Activation (ATSC Transmitters) B – Super-Excitement If an excessive increase in the value of the excitation signal level occurs, the control, through the ALC, will interact with the excitement, to maintain a constant output power in it’s rated value. C –...
Page 91: Introduction
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) Section 5 System Operation Manual E-Compact ATSC Transmiitters Introduction The E-Compact ATSC transmitters provision: (a) Measurements, (b) Configurations, (c) Alarms, and (d) Remote control via microcontrollers. Below is a detailed description about the operational software (configuration and operation) system installed in the ATSC transmitters, located within of the exciter.
Page 92: Keypad
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 5.2.1 Keypad When navigating through the different functions (status and setup), take into consideration the keyboard symbols and the descriptions below:   Moves the arrow UP to the next function shown on LCD screen ...
Page 93: Options
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) Flowchart Screens 5.3.1 Presentation and Main Options HITACHI KOKUSAI LINEAR EC704HP – 8VSB ATSC Digital Exciter Channel: 14 Output: 2900 [W] TV Transmitter 10/03/16 15:24:37 [Any key]...
Page 94 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 5.3.2 Setup Menu Main Menu: 1/5 [0000] Setup Menu: 01/17 [1000] Setup Menu Power Setup [Esc Key] [Up and Down Keys] [Esc Key] Setup Menu: 02/17 [1000] Transmitter Setup Setup Menu: 03/17 [1000]...
Page 95 [Enter Key ] [Enter Key ] 1/5[0000] 01/17 [1000] Power Setup: 1/1[1100] Main M enu : Setu p Men u: Prog ra m: [W] Ou tp ut: [W ] Setup Menu Power Setup [ Up and Do wn Keys] [Esc Key] [Esc K ey] Setu p Men u: 02/17 [1000]...
Page 96 [Enter Key] [Up and Down Keys] [Left or Right Keys] [Enter Key] WARNING!! Changing these parameters may Modulation Settings: 1/2 [1600] Setup Menu: 06/17 [1000] WARNING!! Changing these parameters may damage the equipment. Continue?Yes Modulation: On damage the equipment. Continue?No Modulations Settings [Esc Key] [Esc Key]...
Page 97 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) [ E nt er K ey ] Setup Menu: 10/17 [1000] Alarms Mask: 1/2 [1A00] Reflected Power: 0000[W] Alarms Mask [ U p an d Do wn K ey s ] [ E sc K ey ] [ U p an d Do wn K ey s ] Alarms Mask:...
Page 98 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 5.3.3 Measurements [E nt er K ey ] [E nt er Ke y] Main Menu: 2/5[0000] Measurements: 1/9 [2000] Transmitter Power Meas.: 1/3[2100] Programmed: 0 [W] Measurements Power [U p an d Do wn K ey s] [E sc K ey ]...
Page 99 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) [Enter Key] Measurements: 7/9 [2000] Automatic Level Control: 1/1 [2700] -> Automatic Level Control -> ALC Vout: 0.00[v] Sensor Vin: 0.00[v] [Up and Down Keys] [Esc Key] [Enter Key] Measurements: 8/9 [2000]...
Page 100 [Ent er Key ] [Ent er K ey] Main Menu: 3/5 [0000] 1/4 [3000] 1/1 [3100] System Alarms/Log: Current Alarms: System Alarms/Log Current Alarm Sync Loss TS 1 [Up an d D own Ke ys] [Esc K ey] [Esc K ey] [Esc K ey] System Alarms/Log: 2/4 [3000]...
Page 101 [Enter Key] [Enter Key] [Enter Key] Main Menu: 4/5 [0000] Remote Access: 1/2 [4000] Frontal Ethernet Port: 1/3 [4100] IP Address: 1/1 [4110] Remote Access Frontal Ethernet Port IP Address 192.168.100.018 [Up and Down Keys] [Esc Key] [Esc Key] [Esc Key] Frontal Ethernet Port: 2/3 [4100] Subnetwork Mask:...
Page 102: Options
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 5.3.6 Options [Ent er Ke y] Main Menu: 5/5 [0000] Options: 1/4 [5000] Options Serial Number [Up an d D own Ke ys] [Esc K ey] [Ent er Ke y] Options: 2/4 [5000] Options List:...
Page 103: Start Up
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) Start up The first screen that appears when powering ON the transmitter is: (example display of 2900W Tx) The First Presentation Screen shows the time of the manufactures and the model of the transmitter, and the system it was set for.
Page 104 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) Items on the Description SETUP menu Power Setup Program the RF output power level Turn ON and turn OFF the ALC (Automatic Level Control) Mute the or not the RF power output on the event of absence of Transmitter Setup Transport Stream Select local or remote the transmitter output level control.
Page 105: Power Setup
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 5.5.1 Power Setup Commands the software to set the transmission power of the equipment. Starting from the Main Menu: Select Setup and press ENTER. > Select Power Setup and press ENTER. To reach the desirable output power level, press the key (2), to increase the power or (4) ...
Page 106 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) > Use the keys  or  to enable or disable the Mute. Hit key “” to view the next screen. > Use the keys  or  to select the option. Press key ESC to return to Setup Menu.
Page 107 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) > > To program the values, use keys  and . Enter To change between the parameters, use keys  or . > > To program the values, use keys  and . >...
Page 108: Lo Adjustment (Lo Leakage Suppression)
Press ESC to return to the Setup Menu. 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.
Page 109 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 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 appropriate instruments and test point.
Page 110: Modulation Settings
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 5.5.6 Modulation Settings On this screen option, it’s possible to turn the modulation process on and off. It is also possible > to adjust the pilot level. Starting from Setup Menu screen [1000]: >...
Page 111: Time And Date Configuration
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 5.5.7 Time and date configuration > > Select Time and Date Setup and press ENTER. To program the date and time, use keys  or  . To change between the parameters, press the ...
Page 112: Transport Stream Input
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) Once the the password is confirmed, the software goes back to the Password Setup.  Hit key to view the next screen. “ ” > If the option Disable password is selected, it dispenses the use of password. Press key ESC to return to Setup Menu.
Page 113: Alarms Mask
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 5.5.10 Alarms Mask > > Select Alarms Mask and press ENTER. > > > > > > Use the keys  or  to select TS1, TS2 or TS1 / TS2. ...
Page 114: Usb Host Access Setup
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 5.5.12 USB Host Access Setup > > Select USB Host Access Setup and press ENTER. “ ”  Press key ESC to return to Setup Menu and hit key to view the next screen.
Page 115: Clock Reference
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP)  “ ” Use the keys  or  to configure the option and hit key to view the next screen. >  Use the keys  or  to adjust the value and h it key “...
Page 116 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) Use the keys  or  to program the value.  “ ” Hit key to view the next screen. > > Use the keys  or  to program the value. ...
Page 117: Restore Web Password To Default
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 5.5.15 Restore Web Password to Default > > Select Restore Web Password to default and press ENTER. The screen below will appear. To access the Restore Web Password to default screen, select “Yes” by using the keys  or .
Page 118 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) The configuration is made in the following screens, which may be accessed through: Main Menu -> Setup Menu -> Power Amplifier Config. > Select Transistor Aging Adjustment and press ENTER. The following screen will be displayed: ATTENTION: When accessing the screen by selecting the “Yes”...
Page 119: Patemperature Control
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 5.5.17 PA Temperature Control Through this screen you can configure the operating temperature of the power amplifiers drawer. > > Select PA Temperature Control and press ENTER. The following screen will be displayed: >...
Page 120: Measurements Menu
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) Measurements Menu The measurements screens allows the measurements on the exciter’s parameters. The menu below profiles the possible measurements. Measurements Measurements Description Menu Indications Sub-Set Indications Programmed Measure the Programmed Power Forward Measure the Reflected Power...
Page 121 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) Description Measurements Measurements Menu Indications Sub-Set Indications This field displays NO SIGNAL or UNKOWN SIGNAL in the absence of a proper input signal. When validated, shows the PPS phase and frequency difference between this reference and the Int GPS current PPS obtained with the internal control system of the OCXO...
Page 122: Power
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 5.6.1 Power Shows the programmed and direct, reflected power measurements in the equipment output, ALC Reference Voltage. To access the Power screen, the sequence of screens below must be followed, starting from the initial menu: >...
Page 123: Rf Power Drawer Measurements
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) > Select Transport Stream and hit ENTER >  Hit key “ ” to view the following screens > > > Hit ESC key to return to 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...
Page 124 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP 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.
Page 125 Section 5 - System 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 “ ”...
Page 126: Exciter Power Supply
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) > 5.6.4 Exciter Power Supply This screen shows the power supply status, indicating ‘OK’ or ‘Fail’. The measured voltages are +3.3V, +15V, +5V and +28V. Starting from the Measurements Menu [2000]: >...
Page 127: Software/Hardware Version
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) Press the ESC key to return to the Main Menu. 5.6.6 Software/Hardware Version This screen indicates the software name and version recorded in the modulator FPGA, digital exciter's microcontrollers and power drawers.
Page 128: Automatic Level Control
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]: >...
Page 129: Clock Measurements
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - 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. >...
Page 130: Power Supply Voltages
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) > > 5.6.9 Power Supply Voltages Displays the status of the power supply voltages (located at the bottom of the equipment rack). To verify these tensions in Measurements: >...
Page 131: Alarm Log
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) > > Select Current Alarms and press Enter. Quan ty of current alarms > > The second digit indicates the quantity of current alarms. If there are more than one alarm, Hit key “” to view the other current alarms. The “Alarm List Empty!”...
Page 132: Drawers Alarms
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 5.7.3 Drawers Alarms While in the System Alarms/Log screen it is possible to check and review all alarms, current and past, on the RF power drawer. From the System Alarms/log, screen [3000]. Starting from the System Alarms Menu [3000]: >...
Page 133: Clear Past Alarms
Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 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  Full analysis of the circuitry will be Lack of LOCK Clock Lock Fail! (Clock modulator) necessary.  Get in contact with Hitachi Kokusai  Full analysis of the circuitry will be FIFO Overflow necessary. Fifo Overflow!  Get in contact with Hitachi Kokusai (modulator) Linear's technical support service.
Page 135 Drawers, DB-15 connector. communicating with the Exciter  Using the Hyper-Terminal, check the parameters on the RF Power Module.  Get in contact with Hitachi Kokusai Linear's technical support service.  Check the presence of 208Vac on each RF Power Drawer.
Page 136 System Alarms ALARM MESSAGE ALARM DESCRIPTION ACTION THAT FOLLOWS  Check Main Breaker OFF.  Get in contact with Hitachi Kokusai Phase Loss! Main Breaker is disconnected. Linear's technical support service. Indication that the transmitter is  Check the Power Meter Dir. Coupler...
Page 137 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) Remote Management System (Tele-supervision) All of the equipment parameters such as: transmission power level, power supply measurements, alarm verification and all the possible functional selections may be accessed two different ways. ...
Page 138 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) 5.8.3 Mask Configuration > Select Sub-network Mask and press ENTER. Configure the desired IP by using the keys  or  and  or . Press ESC to the Remote Access screen . Hit key “”...
Page 139 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) Configure the IP Address by using the keys     Subnetwork Mask > > Access the Subnetwork Mask and press ENTER. Configure the Subnetwork Mask by using the keys ...
Page 140 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) Options > > Select Options and press ENTER. > > Select Serial Number and press ENTER. Hit key “” to view the next screen. > > > >...
Page 141 Section 5 - System Operation Manual (E-Compact ATSC Transmitters - EC701HP thru EC708HP) > > > > > > > > > > > > Press ESC to return the Options screen. Hit key “” to view the next screen. >...
Page 142 Section 6 - Preventive Maintenance (E-Compact ATSC Transmitters) Section 6 Preventive Maintenance Introduction This section is dedicated to the necessary procedures for proper preventive, periodic and corrective maintenance in order to guarantee an TV transmitter that works properly and for a longer period of time.
Page 143 Section 6 - Preventive Maintenance (E-Compact ATSC Transmitters) ATTENTION : Do not allow any kind of particles or dust to get in to the filter cavities. (4) If you can’t use an air blower, use a brush with soft bristles to avoid scratching the equipment. (5) When you are finished cleaning the equipment, put the side covers back in place, redo all RF and power connections and turn the equipment on.
Page 144 Anexo A - EC702HP-ATSC Transmitter Connections CONTROL I/O - Exciter A and Exciter B Annex A Connections CONTROL I/O Anexo A Rev. 0.0 – April 2016...
Page 145 Anexo A - EC702HP-ATSC Transmitter Connections CONTROL I/O - Exciter A and Exciter B Digital Exciter Connections 1.1 Exciter A Connections (Control I/O) Conector 1 Connector 1 Connector 2 Conector 2 Connector 1 Connector 2 MONITORING Equipment Anexo A Rev. 0.0 – April 2016...
Page 146 Anexo A - EC702HP-ATSC Transmitter Connections CONTROL I/O - Exciter A and Exciter B 1.2 Exciter B Connections (Control I/O) Connector 3 Conector 1 Connector 4 Conector 2 Connector 3 Connector 4 MONITORING Equipment Anexo A Rev. 0.0 – April 2016...
Page 147 Anexo A - EC702HP-ATSC Transmitter Connections CONTROL I/O - Exciter A and Exciter B 2. Connection Identification Excitation Drawer A Excitation Drawer B CON-1 CON-2 CON-3 CON-4 COLOR FUNCTION COLOR FUNCTION COLOR FUNCTION COLOR FUNCTION ADDRESS EXC READING +15V READING +15V...
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 COMPONENTS > Splitters > QS Series UHF 2-Way Quadrature Hybrid Splitter QS2C FEATURES  2-Way  “MC Series” Driving Splitters  Flat Frequency Response  SMA or N Female Connectors SPECIFICATIONS Code / Revision QS2C /A Frequency Range 470-862 MHz Max RMS Input Power 10.0 W Insertion Loss...
Page 150 COMPONENTS > Hybrid Couplers > HC Series UHF Hybrid Coupler HC40C FEATURES  Crossed Configuration  3 U Rack-Unit Connector Spacing  Unified Connector Interface SPECIFICATIONS Code / Revision C-HC40C / A Frequency Range 470-862 MHz Max RMS Output Power 4.0 kW Connector Spacing Return Loss / VSWR...

Hitachi EC702HP Operation Manual

Quick Links

Related Manuals for Hitachi EC702HP

Summary of Contents for Hitachi EC702HP

Table of Contents