Operation Manual E-Compact MP-BB3 Series UHF Digital TV Transmitters ATSC 3.0: 420 Watts RMS ATSC 1.0: 500 Watts RMS E-Compact Medium Power Series EC702MP-BB3 EC704MP-BB3 Read before handling the equipment.
E-Compact MP-BB3 Series WARNING All rights are reserved to Hitachi Kokusai Electric Comark LLC, thus any reproduction, adaptation, translation, or misuse of this Manual without prior written permission is prohibited, except as permitted by copyright laws. Operation Manual UHF Digital TV Transmitters ATSC 3.0: 210 to 420 Watts RMS ATSC 1.
E-Compact MP-BB3 Series CONTENTS 1. Index CONTENTS........................................................................................................... 3 1. Index ................................................................................................................................................................ 3 2. Abbreviations ................................................................................................................................................. 7 3.
E-Compact MP-BB3 Series 2. Specifications ............................................................................................................................................... 22 3. Construction ................................................................................................................................................. 24 3.1. Single drive, Dual drive (optional) and touch screen display (optional) ........................................ 24 3.2.
E-Compact MP-BB3 Series Homepage features .................................................................................................................................. 57 Alarms ....................................................................................................................................................... 58 Log Alarms ................................................................................................................................................ 58 Setup.........
E-Compact MP-BB3 Series 2. Inspection...................................................................................................................................................... 87 3. Installation Recommendations. .................................................................................................................. 87 4. 3.1. Preventive Protection .......................................................................................................................... 87 3.2.
E-Compact MP-BB3 Series 2.
E-Compact MP-BB3 Series 3. About this Manual The purpose of this manual is to provide technical information required for the installation and operation of the High-Power E-Compact series of UHF TV signal transmitters (digital ATSC). EC702MP-BB3 210 W UHF ATSC 3.0 Transmitter (6-poles filter) 250 W UHF ATSC 1.0 Transmitter (6-poles filter) EC704MP-BB3 420 W UHF ATSC 3.0 Transmitter (6-poles filter) 500 W UHF ATSC 1.
E-Compact MP-BB3 Series 4.
E-Compact MP-BB3 Series Section 1 - Care, Warranty, and Service 1. Care and Safety Never open the device, as there is a risk of electric shock. If necessary, contact Hitachi Service. Before Connecting the Machine to the AC Mains, one must ensure that the grid Voltage meets the equipment’s settings. Never expose the equipment to rain, moisture, or direct sunlight in order to avoid the risk of fire or electric shock. Avoid risks of accidents with regards heights and electricity.
E-Compact MP-BB3 Series 2. Warranty 1. All equipment shall have warranty coverage by the supplier against manufacturing or assembly faults conducted by the supplier for the period of 12 months, beginning upon the issuing of the sales invoice. The period is irrevocable except in cases of extended warranty previously noted in the contract. 2.
E-Compact MP-BB3 Series 3. Technical Assistance Since several devices are received in our Quality Management System without proper identification and explanations; we are now working with previous approval for maintenance devolution. Therefore, in case of maintenance please contact: Hitachi Kokusai Electric Comark LLC Phone: (800) 345-9295 / Fax: (413) 998-1194 E-mail: support@comarktv.
E-Compact MP-BB3 Series Section 2 - Minimum Installation Requirements WARNING Minimum infrastructure requirements for installation and operation of TV transmitters 1. Adequate Grounding 2. Proper Lightning protection system 3. Shelter with ventilation, footprint, and temperature in compliance with the transmitter’s standards 4.
E-Compact MP-BB3 Series 1. Introduction This section provides information on the minimum installation requirements for ATSC ECompact Series transmitters with recommendations on shelter, tower, antennas, cables, grounding, mains, transient preventions, etc. 2. Minimum Requirements 2.1. AC Mains - Wire Gauge The following details the consumption with the equipment running at its maximum power.
E-Compact MP-BB3 Series 2.2. Grounding The grounding system to which the Comark TV transmitter will be attached is suggested to be designed and implemented by a qualified professional. An improper grounding system may jeopardize the equipment as well as the lives-of the professionals working in the shelter. To be considered proper, the grounding is suggested have a resistance of no more than 5 Ohms.
E-Compact MP-BB3 Series Recommendations 1. We recommend that the transmitter "never see" the power grid directly. 2. We recommend the use of online double-conversion UPS and / or Deltaconversion online UPS built with transformer insulation and with power factor correction (PFC). No break example with Isolating Transformer Benefits: These types of UPS bring great protection and insulation to the transmitter due to its design.
E-Compact MP-BB3 Series Nobreak capatibity Nobreak Power= PTX * (cos Φ * η (nobreak)) PTX: Real Power [W] cos Φ: Transmitter Power Factor Correction η (nobreak): Nobreak efficiency STATIC BYPASS SWITCH CA CC CA CC INVERTER RECTIFIER BATTERY Double Conversion Online Nobreak STATIC BYPASS SWITCH DELTA TRANSFORMER PRINCIPAL INVERTER CONVETER DELTA BATTERY Delta Conversion Online Nobreak 17 | 108
E-Compact MP-BB3 Series 2.5. Atmospheric Discharge Protection System 2.5.1 Lightning rods The Atmospheric Discharge Protection System consists of the lightning rods and their elements. The tower and shelter where the equipment will be installed must be protected against atmospheric discharges by means of lightning arresters. It is important to determine that all ferrous parts and accessories that make up the Atmospheric Discharge Protection System should be galvanized.
E-Compact MP-BB3 Series 2.6.2 Humidity Relative air humidity inside the shelter is also considered a critical factor for improved performance and longer equipment life. Comark equipment should operate in dry environments, which can also be achieved using air conditioners.
E-Compact MP-BB3 Series Thermal Dissip. for infrastructure Install (BTU/h) EC702MP-BB3 EC704MP-BB3 AC Load for infrastructure Install (W) E-Compact High Power Broadband ATSC 2.
E-Compact MP-BB3 Series Section 3 – E-Compact BB3 Medium Power Series UHF Digital TV Transmitters 1. Overview The E-Compact High-Power family of air-cooled Doherty solid-state transmitters from Comark was designed specifically for the repack marketplace. Its design is simple, rugged, reliable, and ultraefficient.
E-Compact MP-BB3 Series 2. Specifications ⇨ ⇨ ⇨ ⇨ ⇨ ⇨ ⇨ ⇨ ⇨ ⇨ ⇨ ⇨ ⇨ ⇨ ⇨ ⇨ ⇨ ⇨ ⇨ ⇨ IP Input Control Module present Switcher Module present Power amplifier drawer High efficiency with Doherty technology Air cooled Automatic Fan Speed Control providing low noise levels, energy saving and increased lifespan Power supplies featuring Power Factor Correction better than 0.
E-Compact MP-BB3 Series Electrical Features Power Requirement⁴ (specify configuration at equipment purchase order) AC Power For use one or two PSU, see Section 3, topic 3.2.2. PSU Redundancy, AC mains, RF Output Power (TPO) EC702MP-BB3 Single-Phase (M110) Single-Phase (M220) Biphasic (B220) EC702MP-BB3 100~253VAC (one PSU) AC mains Frequency Power Factor Correction Typical Consumption⁵ ATSC 3.0 ATSC 1.0 Typical Thermal Dissipation⁵ ATSC 3.0 ATSC 1.
E-Compact MP-BB3 Series 3. Construction The E-Compact family of low power solid-state DTV transmitters provides maximum flexibility for site layout and installation. Transmitters are installed in custom designed 22” wide (19” panel opening) cabinets. Being available in several configurations depending on the output power, the redundancy option implemented, and the number of channels at a given site. 3.1.
E-Compact MP-BB3 Series 3.2. EC702MP-BB3 / EC704MP-BB3 The transmitter controller is contained in a 1RU chassis and the RF amplifier is contained in a separate 2RU chassis. The digital exciter is 1RU (not provided) for a total of 4RU or 7” of vertical panel space. An equipment rack cabinet (10RU) is supplied.
8 7 6 5 4 3 2 1 E-Compact MP-BB3 Series H H MP-BB3 BLOCK DIAGRAM G G RF SAMPLE Sample OUT (FWD ) FBF in FBA in PA708 HP Sample OUT (FWD) FBA in FBF i n F F O / E E Control I AC Power PA PA704 MP Power Amplifier RF Sampl e Bandpass Filter Lowpass Filter FC6D60C @EC702MP-BB3 RF Sample MOD 40243 FC6D80C @EC702MP-BB3 MOD 40215 Comm. RF Out Control Module / Exciter block RF Sample FBA in (Exciter ) RF Out .
E-Compact MP-BB3 Series 3.6.1. MP-BB3 1-PSU / AC Mains For the 1-PSU configuration, connect the device to the PSU1 slot. Do not use the PSU2 slot: 3.6.2. PSU Redundancy, AC mains, RF Output Power (TPO) For AC mains M110 (mains less than 160VAC), the EC704MP-BB3 works with only 1 PSU but with an output power of 50%. The Control Module CM9001 will show the "REDUCTION POWER" alarm. For AC mains M220/B220 (187 ~ 253VAC), the EC704MP-BB3 works with only 1 PSU but with an output power of 70%.
E-Compact MP-BB3 Series 4.
E-Compact MP-BB3 Series 4.1. Control Module CM9001 (MOD GV 40288) The E-Compact series of transmitters utilize a dedicated 1RU controller chassis, CM9001.
8 7 6 5 4 3 2 1 E-Compact MP-BB3 Series H H 4.6.2. Interfaces Front Panel 01 02 G G F F 03 09 04 ESC 10 E D C B 06 # Description Function 01 Air entrance Air inlet for cooling 02 LCD Display Navigation display 03 Leds Power On Signals power on equipment 04 Up key (▲) 05 Down key (▼) 06 Left key (◀) 07 Right key (▶) 08 Enter/OK key (OK) 09 Esc key (Esc) 10 FAULT 11 PAST ALARM 07 08 E OK 11 D 05 Display navigation keyboard.
8 7 6 5 4 3 2 1 E-Compact MP-BB3 Series H H 11 AC LINE 90~240VAC (43~63Hz) EXPANSION I/O 01 12 13 CONTROL I/O MANAGEMENT EXCITER CONTROL G RF IN RF SAMPLE FAN - + TERMINAL RF OUT G GND 02 03 04 05 06 07 08 09 10 F E F # 01 02 Description GND ON/OFF AC LINE INPUT 03 EXPANSION I/O MANAGEMENT EXCITER CONTROL TERMINAL 04 05 D 06 07 CONTROL I/O 08 C FAN 09 10 COOLER (FAN) RF IN 11 B RF SAMPLE 12 RF OUT 13 Type GND Screw ON / OFF switch Power Jack AC IEC 10 pin
E-Compact MP-BB3 Series 4.6.3.
E-Compact MP-BB3 Series A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 CONTROL I/O - 10 pin terminal block External measurement of +8V External measurement of +15V External measurement of +50V External measurement of Forward Power GND External measurement of Reflected Power External RF Power On/Off RS485A for HPA Communication GND RS485B for HPA Communication Not implemented External Address of Exciter A Double Exciter Output Status External AC Phase Alarm External RF Load Alarm General Ana
8 7 6 5 4 3 2 1 E-Compact MP-BB3 Series H H G G F F E E D D C C B B A A 34 | 108 8 7 6 5 4 3 2 1
E-Compact MP-BB3 Series 4.6.4. Display interface The Control Module CM9001 has a system of configuration, measurements, alarms, and remote management (TELESUPERVISION), that controls all of the transmitter modules. The transmitter configuration can be done either by the front panel of the transmitter or the web interface using a browser of your choice or SNMP. This section will show you how to navigate, operate, and configure certain device functions using the Keyboard and Display Interface.
E-Compact MP-BB3 Series # 01 02 03 04 05 06 07 08 09 DESCRIPTION Current date and time CM9001 IP address for Remote Access (interface WEB) Equipment model controlled by CM9001 Exciter status (OK / Fail) Operation channel Operation digital TV system (ATSC 1.0 / ATSC 3.
E-Compact MP-BB3 Series 09 08 # 08 09 10 11 12 10 11 DESCRIPTION Indicates the Submenu to be accessed OR Functions to access or that are changing in value Select “on” / “off” with the “▶” and“◀” keys. When the function is accessed, to change the value, increase the value with the “▶” key or decrease the value with the “◀” key. * Indicates that the Function has been changed and not registered (Not active).
E-Compact MP-BB3 Series RF Power Protection: The reflectometer has accuracy above 10% of the reflected power to react to the equipment reaching or exceeding 20%. Therefore, accuracy in measures of reflected below 10% relative to direct power are not guaranteed. Protection against main voltage variations (Surge): Each part of the equipment has its independent power supply and all feature the same protection characteristics.
E-Compact MP-BB3 Series 4.6.7.
E-Compact MP-BB3 Series > Main Menu > Setup > Power: Control the Equipment Power: MENU > RF Mute PARAMETER on / off Power (W) > Program Output Power > Output Power Power Status (W) DESCRIPTION Mute RF power (on) Enable RF power (off) Changes the output power of the Equipment.
E-Compact MP-BB3 Series > Main Menu > Setup > Password Setup: Set a 5-digit numeric password to access the setup menu by the front panel. MENU > Password > Password ON/OFF PARAMETER XXXXX On / off DESCRIPTION Stores the numeric value of the password Enable or Disable the access password > Main Menu > Setup > Alarms Mask: Configures the alarm mask to show which alarm should be displayed when its related failure occurs.
E-Compact MP-BB3 Series MENU PARAMETER > LDMOS Drain Voltage Voltage (V) > Carrier Amp. Current Current (A) > Peak Amp. Gate Voltage Voltage (V) > Status HPA1 Ok Failure ---- (absence) DESCRIPTION LDMOS Drain Voltage - The values are pre-set at the factory Carrier Amp. Current - The values are pre-set at the factory Peak Amp.
E-Compact MP-BB3 Series Main Menu > Measurements The “Measurements” menu allows access to the equipment's operating parameters (read only).
E-Compact MP-BB3 Series > Main Menu > Measurements > HPA Drawers: View the main status of all Power Amplifiers Drawers: > HPA Drawers > RF Power > Software Version > Power Supply > Drain Current > Temperature Identifying HPA Drawers, Power Supplies, and Power Amplifiers (PA) in the menu: Use the ▼ or ▲ keys to toggle between menus Power Supply 2 Power Supply 1 PA IDENTIFICATIONS PA IDENTIFICATIONS PA2 DRIVER PA4 DRIVER PA1 PA3 PA2 PA1 POWER AMPLIFIER DRAWER @EC702MP-BB3 Top View POWER AMPLIFIER
E-Compact MP-BB3 Series > Main Menu > Measurements > HPA Drawers > RF Power: View the main status of all Power Amplifiers Drawers: Use the ▼ or ▲ keys to toggle between menus MENU > Forward Power > Reflected Power > Driver RF In > Driver RF OUT PARAMETER Power (W) Power (W) Power (dBm) Power (dBm) DESCRIPTION HPA forward output power HPA reflected output power RF signal input power of HPA Driver RF signal output power of HPA Driver > Main Menu > Measurements > HPA Drawers > Software Version: Shows all
E-Compact MP-BB3 Series MENU > Power Supply 1 > Power Supply 2 > Driver Power Supply PARAMETER Voltage (V) Voltage (V) Voltage (V) DESCRIPTION Power supply voltage 1 Power supply voltage 2 Power supply voltage Driver > Main Menu > Measurements > HPA Drawers > Drain Current: Shows all HPA Drawer drain Currents: Use the ▼ or ▲ keys to toggle between menus MENU > PA1 Current > PA2 Current > PA3 Current > PA4 Current > Driver Current PARAMETER Current (A) Current (A) Current (A) Current (A) Current (A)
E-Compact MP-BB3 Series > Main Menu > Measurements > Software: Shows the Control Module software version: MENU > Software Control > Software DIGI PARAMETER ----- DESCRIPTION Software Control version Software DIGI version > Main Menu > Measurements > Communication Status: Shows the HPA communication status (ok / fail): MENU > Communication HPA1 PARAMETER Ok / Fail DESCRIPTION Status of each HPA present in the equipment > Main Menu > Measurements > CM Driver Temp.
E-Compact MP-BB3 Series Main Menu > System Alarms/Log This menu gives access to information on alarms that are occurring or have occurred in the past, providing a guide for necessary preventive or corrective maintenance.
E-Compact MP-BB3 Series See page 49 for the alarms list and their respective meanings. In the absence of alarms, the display will show the following message: > Main Menu > System Alarms/Log > Alarms/Log: Shows the Log alarms list. This function can also be accessed through the “PAST ALARM” key, located on the front panel: ESC OK The Log Menu has the following structure: 05 06 02 01 03 07 04 REF 01 02 03 04 05 06 07 DESC.
E-Compact MP-BB3 Series In the absence of alarms, the display will show the following message: > Main Menu > System Alarms/Log > Drawers Alarms: Shows the list of alarms currently occurring.
E-Compact MP-BB3 Series In the absence of alarms, the display will show the following message: > Main Menu > System Alarms/Log > Drawers Alarms > Past Alarms: Shows the Log alarms list. The Log Menu has the following structure: 05 06 02 01 03 07 04 REF 01 02 03 04 05 06 07 DESC.
E-Compact MP-BB3 Series > Main Menu > System Alarms/Log > Drawers Alarms > Clear Past Alarm: Reset the drawer alarm list. Select “On” to reset the Past Alarms list.
E-Compact MP-BB3 Series DRAWER ALARM ALARM DESCRIPTION Driver Low RF Input Level Driver RF Input is lower than threshold. Driver High Temperature Driver Temperature is greater than threshold. Critical High Forward Power HPA Forward Power is greater than threshold. Critical High Reflected Power HPA Reflected Power is greater than threshold.
E-Compact MP-BB3 Series Main Menu > Remote Access In this menu the Ethernet network parameters are configured to have remote access via a network connection. All equipment parameters, such as transmit power, source measurements, alarms check, and all possible functional selections can be accessed remotely by a PC Browser or any Smartphone Browser by connecting to the embedded WEB page server inside of the equipment. MENU > IP Address > Subnetwork Mask > Gateway PARAMETER 000.000.000.000 000.000.000.
E-Compact MP-BB3 Series 4.6.8. WEB Interface – Remote Access Introduction The entire device management and configuration system can be remotely accessed via a browser on any personal computer, tablet, or smartphone. The device embeds an internet server with a dedicated page that allows you to navigate its parameters in an easy way and also make it possible to change its settings in a more friendly graphical environment. This interface enables remote interaction between the user and the transmitter.
E-Compact MP-BB3 Series For ethernet connections, only use static IP settings. For navigation, use a fully updated internet browser. To control the device through the web interface, we recommend Chrome, Firefox Mozilla, and Opera browsers. The equipment can be connected directly to a computer, switcher, or router through the MANAGEMENT port located on its rear panel.
E-Compact MP-BB3 Series Homepage features 01 02 03 EC704MP-BB3 09 5 420 420 3 40 04 10 05 06 12 14 # 01 02 13 03 04 05 06 07 08 09 10 11 12 13 14 07 08 11 DESCRIPTION Hides / Displays Side Menu Bar Model Transmitter Equipment name / Channel transmittion Forward Power - Direct Power Monitor in real time Reflected Power - Reflected Power Monitor in real time On / Off Power Section user Exits the WEB Interface Vertical Bar Menu RED: Qty of Current Alarms present ORANGE: Qty of past alarms
E-Compact MP-BB3 Series Alarms Shows the list of alarms currently occurring. In the event of alarms, the number of active alarms (Current Alarms) will appear in the sidebar in red. List of alarms occurring Alarm help Log Alarms Shows the list of alarms currently occurring. In the event of alarms, the number of active alarms (Current Alarms) will appear in the sidebar in red.
E-Compact MP-BB3 Series # DESCRIPTION 01 Type alarm (Current / Past alarm) 02 Alarm Description 03 Date / time alarm 04 Clear the entire list. Upon confirming this action, it will no longer be possible to recover the deleted list 05 Download the alarm list to the file named “LogAlarms.
E-Compact MP-BB3 Series Transmitter Setup Changes Transmitter Parameters, such as turning the ALC ON or OFF and setting the transmitter name. PA Temperature Control Allows to set the operating temperature of the power amplifiers and set the temperature unit (°C / °F).
E-Compact MP-BB3 Series Alarm Mask Sets the reflected power alarm threshold. Exciter Opens the external exciter control and management web. Enter the external exciter IP adress and press connect. Import/Export Import / Export Control Module settings. Press “Download” to save the file “export xx_xx_xx xx_xx_xx.json” in the PC downloads folder.
E-Compact MP-BB3 Series Upload a file settings: • • Press “Upload” Select the .
E-Compact MP-BB3 Series Measurements The “Measurements” menu allows the user to access the equipment's operating parameters (read only). Software Version Shows the Control Module’s software version. Power Shows the reading of the equipment's power parameters, such as forward power and reflected power, among others. 420 4400 4400 420 6 50 2.
E-Compact MP-BB3 Series Communication Status Shows the HPA’s communication status. 1 Transistor Bias Shows the transistor DC’s operating voltage or current conditions so that any RF input signal can be amplified correctly by the transistor. Exciter Status Shows the Exciter’s communication status.
E-Compact MP-BB3 Series Drawers View the main status of all Power Amplifiers Drawers (HPA): Drawer Identification: Power Supply 2 Power Supply 1 Individual status of each Drawer (HPA): Power Supply Shows the HPA Power Supply’s status.
E-Compact MP-BB3 Series Driver Shows the HPA Driver’s status. PA IDENTIFICATIONS DRIVER POWER AMPLIFIER DRAWER Top View Power Amplifier Shows the HPA Power Amplifier’s status.
E-Compact MP-BB3 Series Select the status to show Current: 5.89 6.54 6.05 5.99 48.81 51.90 50.72 0.33 0.33 0.33 Temperature: 48.90 VGS Peak: 0.
E-Compact MP-BB3 Series VGS Carrier: 1.75 1.70 1.71 1.
E-Compact MP-BB3 Series Remote Configures the SNMP and Ethernet network parameters to have remote access via a network connection. SNMP Configures SNMP and download MIB table. SNMP Status Download the MIB table (file CMLinearMIB.zip) in PC download folder SNMP Traps config NETWORK Configures the Ethernet connection.
E-Compact MP-BB3 Series User Change the password. Software Update Update Sofware Control Modle via *.bin file.
E-Compact MP-BB3 Series 4.2. Power Amplifier Module PA 702MP (MOD GV 40335 / MOD GV 40336) PA 704MP (MOD GV 40298 / MOD GV 40309) This is an air-cooled UHF power amplifier drawer composed of an RF block with two (2) or four (4) power transistors that utilize Doherty's high efficiency technology with efficiency between 34% and 41%, depending on the operating channel.
8 7 6 5 4 3 2 1 E-Compact MP-BB3 Series H H 4.6.1.
E-Compact MP-BB3 Series 4.6.2. Specifications Characteristic Specification PA702MP: 470 to 608MHz (CH14 to 36) @ MOD GV 40335 608 to 701MHz (CH37 to 51) @ MOD GV 40336 Frequency Range PA704MP: 470 to 608MHz (CH14 to 36) @ MOD GV 40298 608 to 701MHz (CH37 to 51) @ MOD GV 40309 Input Level +8.4dBm (± 0.2dB) for 508 Wrms Output (ATSC 3.0) +9.2dBm (± 0.2dB) for 610 Wrms Output (ATSC 1.
E-Compact MP-BB3 Series 4.6.3. Power Amplifier Drawer Functional Description 470 ~ 608MHz GAIN = +52dB ±4dB POUT: 267 W @ ATSC3.0 POUT: 321 W @ ATSC1.0 PA702MP-BB3 USB Comm USB Comm Alarms Led Control Module / Exciter Interface Communication – Drawer Address Alarms Led +5Vcc Control Fan Control Power Supplies Interface Communication Control Module / Exciter Comm. – Drawer Address +5Vcc Power Supplies Comm.
E-Compact MP-BB3 Series 470 ~ 608 MHz @ MOD GV 40298 608 ~ 701 MHz @ MOD GV 40309 GAIN = + 52 dB POUT : 508 W @ ATSC 3.0 POUT : 610 W @ ATSC 1.0 PA 704 MP -BB 3 USB Comm USB Comm Alarms LED Control Module / Exciter Interface Communication - Drawer Address Alarms LED +5Vcc Control Fan Control Power Supplies Interface Communication Drive Control PA Control FAN 1 Control Module / Exciter Comm.
E-Compact MP-BB3 Series 4.6.5.
E-Compact MP-BB3 Series 4.6.6. Power Supplies Signaling LED’s 4.6.7. RPC-1600-48 - 1600 Watts Powers Supplies Use MW model RPC-1600-48, 1600W AC-DC Power Supply The Power Amplifiers Drawers use two 1600 Watt plug-in power supplies. Each one converts 180-240VAC single-phase line voltage to 40-50VDC and feature a quick-connect system that allows the unit to be easily removed through the front of the power amplifier chassis. PS2 (Optional) PS1 Never unplug any Power Supplies while the Transmitter is on.
E-Compact MP-BB3 Series 4.6.8. Power Supply Redundancy Operation / Power Reduction The power supplies use a quick-connect system that allows the unit to be easily removed from the front of the power amplifier chassis. The power supply includes power factory correction, built-in I-rush protection, as well as overload protection (over-temperature, voltage, and current). The configuration of 2 PS’s per power amplifier provides a soft-fail mode.
E-Compact MP-BB3 Series 4.3. EIA Low Pass Filter RF IN RF OUT RF IN RF OUT The Low Pass Filter is installed between the Power Amplifier Drawer RF Output and the Mask Filter, attenuating unwanted harmonic products so that they do not return as a reflected wave to the PA. Low Pass Filter MOD 40243 EIA 1 – 5/8” Equipment EC704MP-BB3 4.6.1.
E-Compact MP-BB3 Series 4.4. EIA RF Output Line with Sample Probe MOD 40215 – EIA 1-5/8” The EIA RF Output Line with Sample Probe is a passive coaxial RF sample installed in the Mask Filter RF output and has four independent RF outputs samples. It has two signal samples for use in the non-linear adjustment, a sample for the reflected power monitoring and a direct power monitoring sample. RF Output Line with Sample Probe MOD 40215 EIA 1 – 5/8” Equipment EC704MP-BB3 @ ATSC 4.6.1.
E-Compact MP-BB3 Series MODEL MOD 40215 Operation Frequency 470 to 608MHz CH14 to CH36 Max Power 5500 Watts Insertion Loss (RF IN – RF OUT) -0.13dB (MAX); -0.
E-Compact MP-BB3 Series 4.5. Mask Filter We recommend using Com-Tech RF Mask Filters: Recommended bandpass filter for ATSC 1.0 Transmitter Number of Poles Model Brand Note EC702MP-BB3 EC704MP-BB3 6 6 FC6D60C FC6D80C COM-TECH COM-TECH With Heat Sink With Heat Sink Recommended bandpass filter for ATSC 3.
E-Compact MP-BB3 Series 4.6. MCCB (Molded Case Circuit Breaker) The MCCB (Molded Case Circuit Breaker) Drawer is responsible for the AC Power distribution and Equipment AC Power protection. Provides information to the Control Module regarding power supply conditions and protects the transmitter from power line problems. MCCB has different power capacities according to the respective transmitter models: Equipment EC702MP-BB3 EC704MP-BB3 MCCB Model Power MOD 40323 2.0kW 4.6.1. 2.
B220 E-Compact MP-BB3 Series BIPHASIC 220VAC 2 PHASE (110VAC) + GND 84 | 108
M220 E-Compact MP-BB3 Series SINGLEPHASE 220VAC 1 PHASE + NEUTRAL + GND 85 | 108
E-Compact MP-BB3 Series 4.6.2. Sparkover - Phase Surge Protection Device (SPD) It is a device that limits overvoltages in the mains by diverting the current line to the ground in order to limit the amplitude of this overvoltage to a value that is not dangerous to the equipment. It is connected in parallel between the line and the ground and has high impedance.
E-Compact MP-BB3 Series Section 4 – Installation 1. Overview. This section provides general information for planning the installation of the E-Compact High Power Line Transmitters, such as recommendations regarding Shelter, Tower, Antennas, Cables, Grounding, Power Line, Prevention against transients, etc. 2. Inspection. The package and the equipment must be inspected upon delivery in order to detect eventual visible damages.
E-Compact MP-BB3 Series The following information about the tower must be obtained: a) It features a special insulator support for descent of cordage of the lightning rod with a maximum space of 1.5m between them. b) There must be lightning signaling system every 20m along the tower. c) It must be painted with orange and white stripes every 2m with special paint that complies with local regulations. d) It must endure winds of up to 150 Km/h.
E-Compact MP-BB3 Series Stacking antennas When using this system, the 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 smaller than 80cm.
E-Compact MP-BB3 Series in a way that the electric field energy is drained away without affecting the equipment. In order to define a system, the characteristics of the soil resistivity must be taken into consideration. To determine the behavior of the soil capacity to drain the currents, its resistivity has to be measured.
E-Compact MP-BB3 Series 4. Equipment Assembly Only trained personnel should conduct physical assembly on site. Observe the requirements described in this manual in Sections 1 (Care, Warranty and Service) and Section 2 (Minimum Installation Requirements). The following precautions must be taken when positioning the transmitter at the installation site: (1) The air intake (front) and the air outlet (rear) must be completely unobstructed.
8 7 6 5 4 3 2 1 E-Compact MP-BB3 Series H H (6) Assembly: Fix the filter hanger clamp on the cabinet rod. G G Low Pass Filter Fix the filter hanger clamp on the cabinet rod.
8 7 6 5 4 3 2 1 E-Compact MP-BB3 Series H H Ref 01 02 03 04 05 06 07 G Drawer Switch Control Module CM9001 Exciter Power Amplifier PA704MP MCCB MOD 40323 2kW RF Low Pass Filter MOD 40243 RF Output cable G F F 06 06 E E 01 02 D D 03 04 C C 07 05 B B EC704MP-BB3 (front view) EC704MP-BB3 (rer view) A A 93 | 108 8 7 6 5 4 3 2 1
8 7 6 5 4 3 E-Compact MP-BB3 Series H 2 1 Equipment RF Output Power H BANDPASS FILTER INSTALL G EIA RF Output Line with Sample Probe ANTENNA G MOD 40215 RF Sample EIA 1-5/8" F F Bandpass Filter Mask Filter (not provided) E E MOD 40243 Low Pass Filter D D C C B B A A 94 | 108 8 7 6 5 4 3 2 1
E-Compact MP-BB3 Series 4.2. Internal Connections The following connections must be made: • • • • • • RF cables AC power cables and grounding Control Modules cables Rejection loads drawer cables Ethernet Switch Transport Stream cables (ASI) (7) Loosen all the fixed cables inside the rack by removing yellow clamp ties: 4.3. GND Connection CONNECT TO THE LOCAL GROUNDING 4.4.
E-Compact MP-BB3 Series Connection modes according to the Grid Voltage: MOD 40323 – MCCB 2kW (Top View) AC Power Input EC704MP-BB3 (Rear View) SINGLE-PHASE 220V 1-PAHSE (208V) + NEUTRAL+GND BIFASIC 220V 2-PAHSE (110V) + GND F1 N F1 F2 GND GND Legend Never invert the Neutral with the Phases. F1 Phase 1 Input F2 Phase 2 Input N Neutral GND Ground The screws must be properly tightened in order to avoid sparks.
E-Compact MP-BB3 Series Section 5 - Initial Activation 1. Overview 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. One should check the functionality and performance of the RF power, DC currents, temperature, alarms, and communication.
E-Compact MP-BB3 Series 2. Activation The steps of this activation must be followed to avoid damage to the equipment. Before Turn-On, Check if all on/off key Drawers are “off” Trigger the circuit breaker on (01) Power On (Rear Panel) The Exciters and the CM9001 Module Control 1st 2nd rd 3 01 CM9001 Display 02 4th 5th 03 6th 7th 8th In the Power Amplifier Drawer 1 Switch On the Power Amplifier (04) Check the Drawer Communication Status.
E-Compact MP-BB3 Series Set the Programmed Power in Main Module Control CM9001 to 10% of the total power of the equipment 11th Display Interface >Measurements > Power > Programmed Power Check: • Alarms Occurrences: >System Alarms/Log > Current Alarms No alarms th 12 • Reflected Power: >Measurements > Power > Reflected The REF power must be less than 2% of FWD Power.
E-Compact MP-BB3 Series Check if there is any abnormal or differential heating in the connection joints between the transmitter, filter, antenna, and adder’s imbalance load. If there is any abnormal warming in an isolated way, this may indicate some flaw or imperfection in that connection. This must be checked before further increasing the transmitter’s power. When operating under normal conditions, the modules located at the transmitter’s rear may reach up to 55°C.
E-Compact MP-BB3 Series 5. Protections 5.1. Reflected Power If the incidence of reflected power at the transmitter due to any external or internal factor occurs, refer to the measurement screen (MEASUREMENTS) by browsing the software’s navigation Menu, according to instructions given in the Operation Section of the Digital Control System.
E-Compact MP-BB3 Series 5.4. Transmitter Operating Temperature Configuration The transmitter’s operating temperature is measured on the power modules’ transistors and is configurable between 50°C (122 °F) and 60°C (140 °F). Configuration is done through the front panel Menu: Setup Menu “PA Temperature Control”. This configuration varies according to room temperature and the transmitter’s efficiency and is necessary to optimize the operating temperature and equipment’s lifespan.
E-Compact MP-BB3 Series Section 7 – Preventive Maintenance 1. Overview This section is dedicated to the necessary procedures for proper preventive, periodic, and corrective maintenance in order to guarantee a TV transmitter that works properly and for a longer period of time. Only trained and authorized people should be allowed to open the transmitter. The noncompliance of this item might result in the loss of warranty. IMPORTANT: ⇨ The life expectancy of the equipment depends on its working conditions.
E-Compact MP-BB3 Series 4. If you can’t use an air blower, use a brush with soft bristles to avoid scratching the equipment. 5. When you are done cleaning the equipment, put the side covers back in place, redo all RF and power connections, and turn the equipment on. Follow the activation procedure. 2.2. Visual Inspection Remove the side covers. 1. Verify if all the connections in the modules, as well as the RF connections in the equipment and the irradiant system are correct. 2.
E-Compact MP-BB3 Series 2.4. Power Transistors Againg Adjust We recommend that the first polarization adjustment of the power drawer’s transistors occurs after the 6th month of operation and then annually from then on. This review will compensate for the variation in performance due to the aging of the device. Perform the adjustment on the VGS voltage periodically.
E-Compact MP-BB3 Series Section 8 - Attachments 106 | 108
8 7 6 5 4 3 2 1 E-Compact MP-BB3 Series H H 1.
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