Harris Broadcast Flexiva FAX 5KW Technical Manual Download

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Section-1 Introduction

October 28, 2013

‐

Harris

Broadcast

WARNING:

Disconnect

primary

power

prior

servicing.

888

‐

2720

‐

001

Figure 1-5 FAX20 Transmitter Rear View

Summary of Contents for Flexiva FAX 5KW

Page 1: ...TECHNICAL MANUAL FAX 5 10 20 30 40KW Transmitter Series Revision J 888 2720 001 Harris Broadcast is an independent company not affiliated with Harris Corporation...

Page 2: ......

Page 4: ...flect the product at the current time or an unknown time in the future This publication does not in any way warrant description accuracy or guarantee the use for the product to which it refers Harris...

Page 5: ...Preliminary in process B April 9 2012 P52641 Update all sections C May 23 2012 P52961 Added 30 40kW models general updates in all sections D Aug 23 2012 P53607 Updates to all sections E Feb 18 2013 P5...

Page 6: ...The service parts department is available from 7 00AM to 5 00 PM CST Monday Friday and 8 00AM to 12 00PM CST on Saturday Telephone 1 217 221 7500 or email servicepartsreq harrisbroadcast com Emergency...

Page 7: ...______________ ________________________________ ________________________________ ________________________________ Telephone ______________________________ FAX ______________________________ Preferred...

Page 8: ......

Page 9: ...ection standards must be observed The following National Fire Protection Association NFPA standards are recommended as reference Automatic Fire Detectors No 72E Installation Maintenance and Use of Por...

Page 10: ...WARNING Disconnect primary power prior to servicing...

Page 11: ...hospital as quickly as possible e If arms or legs are affected keep them elevated NOTE If medical help will not be available within an hour and the victim is conscious and not vomiting give him a wea...

Page 12: ...ves the reference designators for the item i e C001 R102 etc that corresponds to the number found in the schematics C001 in a bill of material is equivalent to C1 on the schematic or 2 gives added inf...

Page 13: ...Requirements and Connection 2 9 AC Connection without Distribution Panel 2 10 AC Connection with Distribution Panel 2 13 Cooling Installation 2 13 Initial Turn On 2 13 User Remote Control Connection 2...

Page 14: ...ult Logs and Software Upload5 13 Config File Save Upload 5 13 Save Config File 5 13 Upload Config File 5 14 Software Update Procedure 5 14 Retrieving Printing Fault Logs 5 15 System Calibration Proced...

Page 15: ...ion 6 Troubleshooting included as a service aid to be used along with sections 4 and 5 by qualified person nel to identify and correct an equipment malfunction 1 2 Technical Support Harris Broadcast o...

Page 16: ...614 093 Units manufactured prior to August 2012 Documentation Package Part Number 943 5614 476 Units manufactured after to August 2012 Harris Broadcast Basic Rack 981 0136 012 37RU Rack with rear door...

Page 17: ...hase to the FAX40 use four feeds with breakers in a wall mounted panel external to the transmitter rack Documentation Package Part Number 943 5614 342 Units manufactured prior to August 2012 Documenta...

Page 18: ...resistor 1 4 FAX Transmitter Description and Features The Flexiva FAX series transmitters are built based on a 10 kW building power block The FAX 10 transmitter has one power block the FAX 5 uses the...

Page 19: ...main exciter in the system The upper Exciter B is always the backup exciter in the system These positions hold true for all model of high power FAX Transmitters The FAX5 is the same chassis and hardw...

Page 20: ...Section 1 Introduction October 28 2013 1 6 Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to servicing 888 2720 001 Figure 1 2 FAX5 10 in Harris Broadcast Deluxe Rack Rear View...

Page 21: ...ption 9050 205 Empty Less PAs and Power Supplies Full 2709 3000 FM FM HD 20dBc 0 73 0 8 0 9 MECHANICAL 2140 7310 14dBc 10599 9432 8725 HD 14dBc 10dBc 20dBc Recommended AC Conductor Size THHW Wire NOTE...

Page 22: ...npainted surfaces and soldered brazed for low resistance MAX Line Amps per phase 3PH 1PH 3PH 1PH 3PH 1PH 46A 79A 42A 73A 27A 46A 25A Internal harmonic filter that meets or exceeds all FCC CCIR and ITU...

Page 23: ...d of two 10 kW Power Blocks combined to make 20 kW The FAX20 comes standard in a Harris Broadcast deluxe rack with RF line to the top of the rack and the AC Power Distribution panel installed All FAX...

Page 25: ...Remote control connections Parallel remote control interface 25 pin female D sub connector Web based control SNMP over IP Static or DHCP via RJ45 connector interfaces located on rear of amplifier cha...

Page 26: ...ised of three 10 kW Power Blocks combined to make 30 kW The FAX30 comes standard in a Harris Broadcast deluxe rack with RF line to the top of the rack and the AC Power Distribution panel installed All...

Page 28: ...nnector Web based control SNMP over IP Static or DHCP via RJ45 connector interfaces located on rear of amplifier chassis and front door Front door RJ45 static IP via DHCP server for service 44RU Milli...

Page 29: ...d of four 10 kW Power Blocks combined to make 40 kW The FAX40 comes standard in a Harris Broadcast deluxe rack with RF line to the top of the rack and the AC Power Distribution panel installed All FAX...

Page 30: ...Section 1 Introduction October 28 2013 1 16 Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to servicing 888 2720 001 Figure 1 11 FAX 40kW Transmitter Rear View Doors Open...

Page 31: ...ector Web based control SNMP over IP Static or DHCP via RJ45 connector interfaces located on rear of amplifier chassis and front door Front door RJ45 static IP via DHCP server for service 44RU Millime...

Page 32: ...plitude modulation using 75 Sec de emphasis and 400 Hz high pass filter FM Deviation 75 kHz by a 1 kHz sinewave Measured at wideband input RF Harmonic and Spurious Suppression Meets or exceeds all FCC...

Page 33: ...ltered to keep dirt out of the building and the transmitter See Section 1 11 Cooling for further details Ambient temperature and relative humidity should always range between the following limits at t...

Page 34: ...ning salt or pollution must have those items removed by an adequate filtration system and any pressure drops caused by filtration must also be considered A closed system in which the transmitter exhau...

Page 35: ...nd strap attachment point is located at the rear of the FAX transmitter and exciter chassis This connection is suitable for use in a single point grounding system with the ground strap attached to the...

Page 36: ...flanged output connector If the FAX5 10 is racked in a Harris Broadcast rack the RF connector at the top will be a 1 5 8 EIA flanged connector that includes a adapter to a unflanged connection There i...

Page 37: ...FAX 5 10 20 30 40KW October 28 2013 1 23 888 2720 001 WARNING Disconnect primary power prior to servicing Copyright 2013 Harris Broadcast Figure 1 15 FAX 3 1 8 Cabinet Output Flanged Connection...

Page 39: ...ons and coding will be provided to assure proper handling Complete details regarding circumstances and reasons for return are to be included in the request for return Custom equipment or special order...

Page 40: ...ollowing safety connections see Section 2 13 for further details of circuit operation RF mute The RF MUTE signal line is available on pin 7 of J1 USER REMOTE connector at the rear of the transmitter I...

Page 41: ...the two front corners and the two rear corners with carriage bolts flat washers lock washers and nuts When it is desired to remove the cabinets from the skids remove this hardware A socket wrench a s...

Page 42: ...ection 1 11 of this manual to ensure that all equipment has adequate cooling Check Point 1 Transmitter cooling is accomplished by the multiple blower fans on the back of the transmitter cabinet It is...

Page 43: ...l already be a copper ground strap connected to the copper ground buss bar strap that runs down the left side of the cabinet when viewing from cabinet rear The exciter will also be grounded to this bu...

Page 44: ...xciter A will be the lower exciter and B will be the upper exciter in the rack Exciter A connections are made to the top connectors J2 is Control Exciter A J4 is RF for Exciter A and J6 is RTAC Excite...

Page 45: ...MODULES THE TRANSMITTER MAY REQUIRE SLIGHTLY MORE THAN 5 WATTS TO GET FULL RATED POWER FROM THE TRANSMITTER BUT USE THIS AS A STARTING POINT TO BE SAFE J2 J3 Pin 4 must always be grounded and Pins 5 a...

Page 46: ...re the exciter RF power output is set to approximately 2 Watts for safe initial turn on of the transmitter Refer to Section 5 of this manual and the exciter manual for proper dipswitch settings intern...

Page 47: ...ver both a customer mounted stand alone 10kW transmitter and all FAX transmitter models mounted in a cabinet with or without an AC Distribution Panel installed The FAX series of transmitters can be co...

Page 48: ...CAST IF AN IN RACK AC DISTRIBU TION CHASSIS IS PURCHASED OPTIONAL IN THE LATTER CASE AN EXTERNAL CIRCUIT PROTECTION DEVICE TO HANDLE THE ENTIRE TRANSMITTER LOAD AT THE MAIN AC DIS TRIBUTION POINT IS S...

Page 49: ...VOLTAGE IS IN THE RANGE OF 330 460 VAC THE NEUTRAL MUST BE CONNECTED TO THE E4 E5 E6 N TERMINAL POST TO STABILIZE THE VOLTAGES FAILURE TO CONNECT THE NEUTRAL CAN CAUSE DAMAGE TO THE TRANSMITTER AND VO...

Page 50: ...nding on the type of service The straps were placed at the factory based on the information given at the time of order please verify the straps are correct for your service prior to proceeding Note Fo...

Page 51: ...connection as shown in Figure 2 9 The AC Mains wires for Line and Neutral Neutral used on Wye only at 330 460 VAC range are in correct loca tion and tight Be sure all AC covers are replaced Note If u...

Page 52: ...LCD on the front of the transmitter should now be on and sitting at the home screen The exciters should be powered up STEP 3 Verify the model and mode at the top of the home screen is correct Figure 2...

Page 53: ...e Section 2 13 for detailed information STEP 15 If a Network connection is to be made for use with a remote computer or control go to Section 3 of this manual for setup information 2 13 User Remote Co...

Page 54: ...e Control Breakout Board 901 0218 201GT Converts connections from dB 25 to Screw terminals Figure 2 12 User Remote Inputs and Outputs Rev J and earlier boards Note If the unit in operation has a Rev J...

Page 55: ...Momentary Ground pin to turn transmitter on 1 Input TX OFF COMMAND Momentary Ground pin to turn transmitter off This input can be configured to operate regardless of Remote enable disable status See...

Page 56: ...mmand Inputs and Status Outputs 23 GND EXTERNAL INTERLOCK Continuous Ground to satisfy interlock loop When released requires a manual TX ON command to turn TX back ON Enabled regardless of Remote enab...

Page 57: ...tput FORWARD POWER 3 5VDC 100 calibrated power Linear scale 19 External Metering Output REFLECTED POWER 3 5VDC 1 5 1 VSWR 1 3 VDC 1 3 1 VSWR 20 External Metering Output PA VOLTAGE PA Drain Voltage 14...

Page 59: ...serious problem develops Refer to the Factory Test Data FTD which includes meter readings measured performance data information and data measured with external equipment and adjustments specifically...

Page 60: ...arrow cursor which indicates the menu line that will be activated by pressing the black enter button The left button is primarily used as a back button to return to a previous menu selection ENTER Th...

Page 61: ...s the status of all IPA s in the transmitter and Auto Switching relay s POWER AMP Green OK Red Fault Represents a summary status of the all PA Modules in the transmitter POWER SUPPLY Green OK Red Faul...

Page 62: ...when IPA A activated RF MUTE Illuminates when any RF Mute action occurs BACKUP MODE Illuminates RED when upper NORMAL BACKUP switch selects BACKUP or when Micro fails Note If the IPA switch mode is s...

Page 63: ...ncy the transmitter was tested at only and take into account the cable loss to each port For a FAX5 10 the RF Sample on the front door which is indicated on the test data as Front includes the loss of...

Page 64: ...ached Note Small time delay When pressing the RAISE or LOWER buttons a small delay occurs before the transmit ter power actually changes The same is true when releasing the RAISE or LOWER button The o...

Page 65: ...LIGHT IS ILLUMINATED THIS IS AN IMPORTANT SAFETY FEATURE IF NO REMOTE CONTROL SYSTEM IS UTILIZED THEN LEAVE THE TRANSMITTER IN THE REMOTE DISABLE MODE 3 5 LCD Navigation Tutorial The navigation butto...

Page 66: ...creen To change the MONTH ensure arrow is next to MONTH highlight it by pressing ENTER use the up or down buttons to correct the displayed month and then press ENTER However to actually change the dat...

Page 67: ...only no configuration settings are available in this menu Figure 3 9 POWER Menu Figure 3 10 Shows all of the information available when the POWER button is pressed These readings are all system readi...

Page 68: ...001 Figure 3 11 STATUS menu Figure 3 12 and Figure 3 13 are the menu tree for the STATUS button Details of each sub menu are describe in this section Any readings given in this manual should not be a...

Page 69: ...A _____________________________ IPA A AMPS 3 5A IPA TEMP 33 4C IPA B AMPS 0 0A IPA TEMP 33 4C Power Amp_________ PA SUMMARY OK PB AVG V 44 2V PA BLOCK 2 ___________ PA SUMMARY OK PB TOTAL I 192 3A PB...

Page 70: ...2 ___________ PS SUMMARY OK PB AVG V 44 2V AC MAINS OK PB TOTAL I 192 5A PB AVG V 44 2V PS METERS __________PB AVG V 44 2 PB TOTAL I 192 5A PS 1 OK PB TOTAL I 192 5A PS METERS _________ PB AVG V 44 2...

Page 71: ...l EXC ATUTO SW READY Displays the exciter Switchover relay status Ready or Tripped If Tripped manual reset required by pressing ON button MODULATION FM Displays Exciter Mode FM HD FM HD SLC Also displ...

Page 72: ...e Power Block and or cabinet combiner and will only be available on the FAX20 30 40 models PWR BLK 1 IPA Displays Fault status and meter readings for IPA in power block 1 PWR BLK 2 IPA Displays Fault...

Page 73: ...FAULT Foldback point is user settable via GUI between 1 3 1 and 1 5 1 PWR LIMIT OK OK or FAULT Power limit is 110 of calibrated power set in hardware REJ LEVEL 0 Displays Reject load power in percent...

Page 74: ...e Normal Low or UPS APC On or Off Power Limit 110 of calibrated power VSWR Foldback 1 3 to 1 5 1 User configured Mute asserted by controller or remote Mute Interlock External or Equipment Control Mode...

Page 75: ...Interlock status OK or FLT J1 24 User Interface RF MUTE NO RF Mute NO or MUTED REMOTE MUTE NO Remote Mute NO or MUTED EQUIP INTLK OK Equipment Interlock OK or FLT J1 9 User Interface SYSTEM METERS APC...

Page 76: ...15 and Figure 3 16 is the SETUP Menu Tree Note When making changes to the transmitter via the LCD Remote must be Disabled Figure 3 14 SETUP Menu When used with a FAX exciter the some exciter configur...

Page 77: ...RS YES U C S S INTERNAL IPA YES AC INPUT 3D TX CALIBRATE______TX POWER CAL___________MODULATION FM TX TPO 10000W CALIBTRATE NO POWER SUPPLY SET_______MODULATION FM PS SET 50V PS SET 50V SET NO AIRFLOW...

Page 78: ...nu Menu Description PWR MODE SET NORM LOW Low Power or UPS Low power sets RF output at approximately 25 of Calibrated power UPS mode asserted from User Remote J1 See Note 1 EXC ON AIR Manually switche...

Page 79: ...ver after entering the time is displayed as a 12 hour clock For example to enter a time of 3 00 PM enter 15 for hours 3 9 3 SETUP TX CONFIGURATION FREQ is display only unless using a FAX exciter In ca...

Page 80: ...FAULT AND POWER SUPPLY VOLTAGE IS SET TO MINIMUM TRY RAISING THE VOLT AGE UP 2 VOLTS TO SEE IF THE PROBLEM CLEARS 3 9 7 SETUP TX CALIBRATE AIRFLOW SET To set airflow the transmitter fans must be at f...

Page 81: ...librated at the 2 above power block power The following example is for FAX20 20 kW TX TPO of power blocks 2 20000 2 10000 10000 10000 2 10 200 Watts The 2 is an estimate of loss in the splitting and c...

Page 82: ...red again 3 9 11 SETUP EXCITER SETUP Allows for setup and power calibration for each exciter Also to set the Threshold where the exciter switches to the backup Table 3 14 SETUP TX CALIBRATE REJ LOAD C...

Page 83: ...r any HD modes If using CUST IPA dipswitch S1 5 on PA Backplane board 1 top board where the IPA plugs in must be set to ON This passes the APC voltage to the IPA Note 3 EXC SLC SEL is used only for Sp...

Page 84: ...e to Novice locks out the ability to change the transmitter setup and controls within the Setup menu This screen is not password protected and accessible by anyone 3 9 14 SETUP RESTORE DEFAULTS Restor...

Page 85: ...and monitoring of the transmitter To make changes via the Front Ethernet port REMOTE must be set to Disable If connecting to the rear Ethernet port REMOTE must be set to Enable The Administration log...

Page 86: ...creen are for monitoring setup and control Each button will take the user to a submenu s No changes can be made and no control is available unless a valid Engineer login is used If using the rear Ethe...

Page 87: ...are not closed VSWR Faults at VSWR of 1 5 1 Exciter Trip Displays the status of the internal Exciter switchover relay IPA Trip Displays the status of the internal IPA switchover relay Foldback Warnin...

Page 88: ...default setting is 1 3 This setting affects only the transmitter VSWR not each individual power block VSWR The power blocks are set to foldback at 1 5 1 in FAX20 30 40 Fwd Pwr Warn Thresh dB If RF pow...

Page 89: ...nfigured Drop down box shows available settings Exciter Configuration Allows for selecting the exciter type for each exciter in service Drop down box shows available settings 3 10 6 System System Setu...

Page 90: ...allows for version 1 or 2c only Trap 1 3 IP address of SNMP trap receiver Port 162 is default trap port not changeable Community Public or Private The Harris Broadcast MIB s are usable in all NMS Net...

Page 91: ...C OFFSET Min Enter an offset in Minutes that your location is from Greenwich Mean Time User must take into consideration daylight savings time if applicable 3 10 9 SYSTEM System Setup Network ISP Menu...

Page 93: ...s PA Modules and three less PS Modules The 5 kW exciter setup is slightly different than the 10 kW and will be explained in the 5 kW section A 20 kW FAX transmitter consists of a 10 kW transmitter and...

Page 94: ...uss the combining of the power blocks in the FAX20 30 40 The output of the LPF then goes through a 6 port directional coupler to a 1 5 8 EIA Unflanged output on the rear of the transmitter The ports o...

Page 95: ...fewer PA modules and Power supplies and also has a slightly different RF Chain In the 10 kW transmitter there are 14 FET s to achieve 10 kW so in a FAX5 seven FET s are required In this case there are...

Page 96: ...power block is off Exc A Exc B Rear Panel J4 J5 IPA PA0 Module RF Switch Bd J3 J2 J7 IPA RF Level To Sys Inf To 7 Way Splitter PA BackPlane RF Switch Bd RF Switch Bd relays switch in tandem For FAX20...

Page 97: ...rovides the correct phase shift to combine the 2 power blocks in cabinet 1 and the RF signal now has a 90 phase shift compared to the input signal To get this signal to combine with cabinet 2 an addit...

Page 98: ...s able to accept the level from the FAX transmitter then the APC would feed the IPA inside the transmitter The APC from the FAX10 20 30 40 is in the range of 0 to 3 5 VDC 0 V being 0 watts out of the...

Page 100: ...s used the APC switch to the exciter is opened and the APC switch to the IPA is closed The APC still functions the same but the extra Op Amp sets the correct level for the FAX IPA input 4 1 7 PA Modul...

Page 101: ...s C Bias for FM Mode of operation and Class AB Bias for HD Modes A control voltage of 5V at J2 4 turns Q5 off which allows the RF Amplifier to operate The Bias Mode voltage alters the PA bias voltage...

Page 102: ...n the transmitter are regulated from the 5 Volts In the case of FAX models with multiple power blocks the 5 VDC from each is diode gated back to the main power block If the AC fails to the main power...

Page 103: ...on the transmitter has full functionality with the primary control functions being done in Hardware HW but the hardware can be controlled by the microprocessor The key states such as ON OFF Remote ENA...

Page 104: ...uplers for Remote control via Parallel I O Forward and reflected power detection and metering samples Hardware for VSWR protection and power limit functions System status LED s Multiplexing bus for me...

Page 105: ...le THe controller then turn calibrate to ON Same as setting S2 8 to ON and this puts a 2 VDC reference on each gain stage input The micro reads the voltage at the output of the forward power stage the...

Page 107: ...ier chassis is composed of two general zones the front half as accessed by the front door and the rear half as accessed by the rear door The front door is hinged and can be opened while the transmitte...

Page 108: ...PC Future S15 6 N A N A N A NOT USED S15 7 RS485 TERM 15 OFF Terminates RS485 Bus S15 8 CAN TERM 15 OFF Terminates CAN Bus Table 5 2 System Interface Board S2 Rev H hardware and later Switch Name Sche...

Page 109: ...X System Controller OFF Power Block Controller S3 6 Config 4 Model ON Power Block Controller OFF TX System Controller S3 7 Default Mode 5 OFF Used on TX System controller only ON TX primary mode defau...

Page 110: ...OFF ON 8 OFF OFF ON ON OFF Switch Name Schematic Sheet Default User Setting Description S14 1 Class C 5 Mode ON Class C FM ONLY Operation OFF Class A B HD Mode operation S14 2 Class A B 5 Mode ON Clas...

Page 111: ...ed OFF for 6 kW Reject Load only2 fans S1 2 Fan 3 Enable 2 ON OFF for FAX5 and 6 kW Reject Load S1 3 Speed 1 3 ON ON Lo Gain Low Speed S1 4 Speed 2 3 OFF ON Mid Gain Mid Speed S1 5 Speed 3 3 OFF ON Hi...

Page 112: ...me Schematic Sheet Default User Setting Description S1 1 N A N A N A Not Used S1 2 N A N A N A Not Used S1 3 N A N A N A Not Used S1 4 N A N A N A Not Used S1 5 Pri Rej Load Dis 3 ON Disables the Prim...

Page 113: ...PA Fault 2 Slot Dependan t ON for Backplane 2 4 PA Slots OFF for Backplane 1 S1 8 IPA Fault 2 Slot Dependan t ON for Backplane 1 IPA Slot OFF for Backplane 2 4 Table 5 13 RF Switch Board S1 Switch Nam...

Page 114: ...ewarm water with a mild soap detergent until all dust and debris is removed Rinse thoroughly to remove all soap STEP 6 Allow filter media to dry and save for use as replacement media next time procedu...

Page 115: ...perform the steps given below In the case of larger model transmitters FAX20kW FAX40kW one power block may be shut down and serviced while the other s continue transmitting Please consult section 5 fo...

Page 116: ...button to turn transmitter on STEP 21 Verify transmitter returns to full power and no alarms are reported STEP 22 As desired use off air opportunity to verify integrity of all safety interlock circui...

Page 117: ...y time while the transmitter is operating Any PA module may be swapped with a PA module in another position including the PA module in the IPA position Figure 5 2 Module Locations Note The IPA and PA...

Page 118: ...re are not latches holding the module in place STEP 4 Insert replacement PA module Normally the PA module will turn on automatically Pressing the front panel ON button will also create an ON command f...

Page 119: ...of failure of that card you will need to upload a saved configuration This file should be saved each time there is a change made to configuration calibration or new software is uploaded Use a file na...

Page 120: ...g is complete the transmitter will reboot 5 6 4 Software Update Procedure The following steps detail the procedure to update the FAX series transmitter software You will need a PC to the Ethernet port...

Page 121: ...STEP 6 The code is now in memory inside the transmitter but has not been programmed Click on the PROGRAM button the message Programming Flash and Rebooting should appear STEP 7 Transmitter should rebo...

Page 122: ...her in line or a stand alone meter such as an Agilent 4418 or equivalent If the transmitter is running one of the iboc modes ensure that the power meter is capable of measur ing digital modulation Not...

Page 123: ...e the same STEP 9 For HD Only mode use the Lower power button to set the transmitter to TPO If the transmitter is to be used in more than one modulation mode repeat this procedure for each mode 5 7 2...

Page 124: ...ssage DONE appears STEP 11 Calibration is complete 5 7 3 Transmitter Air Flow Calibration The following procedure is used to calibrate the Airflow in each power block to insure proper cooling of the t...

Page 125: ...er so the voltage is in range Although the minimum voltage for setup is 100 mV for reliable operation of this feature keep the voltage in the range stated STEP 5 Set the EPWR CAL value to match the ex...

Page 126: ...ect load calibration Power Block Combiner 6 kW Load Calibration Procedure STEP 1 Go to SETUP TX CALIBRATE REJ LOAD CAL SYSTEM REJ CAL STEP 2 Remove the IPA in one power block only STEP 3 Verify the RE...

Page 127: ...oint that the generator was capable of supplying enough power without being overdissapated It also can be used in the event the transmitter needed to be turned down in power to do maintenance on the s...

Page 128: ...ove all power from the transmitter STEP 2 Remove the 2 PA modules that plug into the backplane being removed STEP 3 Open the back door of the transmitter block to gain access to the boards STEP 4 The...

Page 129: ...ions explain how to replace a System Interface Control PWA including the correct setting of all PWA switches The high power Flexiva FAX series of transmitters all use the same System Interface Control...

Page 130: ...terface Unit Control PWA begin by removing 2 Phillips screws from the front of the System Interface Module See Figure 5 12 Figure 5 12 System Interface Control Module Mounting Screws Carefully pull th...

Page 131: ...rds on Rev E and higher PWA s If replacing a PWA Rev D or earlier refer to Section 5 4 4 for a description of each switch The board will come in the factory default positions Verify system and power b...

Page 132: ...Harris Broadcast However this file will not have nay changes that have been made since it left the Harris Broadcast factory If Ethernet connectivity is still available got to 5 5 1 in this section of...

Page 133: ...ONTAINS THE REJECT LOAD RESISTORS FOR THE 14 WAY COMBINER AND IS DESIGNED TO HANDLE HIGH TEMPERATURES IF THERE IS AN IMBALANCE IN THE POWER BLOCK DUE TO FAILURE OF PA MODULES THE HEATSINK COULD BE HOT...

Page 134: ...kW power block These instructions can also be followed to remove the combiner for easier access to the Power Supply Interface PWA that is mounted behind it Prior to removal the transmission line conn...

Page 135: ...holding the combiner assembly in place There are 2 on each side of the combiner assembly See Figure 5 24 below for nut locations Figure 5 20 14 Way Combiner Nut Locations STEP 6 The combiner still has...

Page 137: ...er is operating without any problems at the present time Becoming familiar with the following information will be helpful to diagnose and repair problems should any arise in the future 6 2 1 LED Indic...

Page 138: ...LED s in each power block if both A and B sides are green check RF Switch Board in each power block IPA faults are VSWR Over Current Under Voltage Overdrive or OverTemp POWER AMP LED is Green All PA m...

Page 139: ...Power Block Cabinet s Interface Control Module Both Interface cards are identical Onboard Dipswitches determine the configuration function of each card The following picture shows the front edge of a...

Page 140: ...back on DS7 FLT OFF System Fault OFF Normally OFF Illuminates Red when the transmitter Faults OFF Check other status LED s and the fault log for further information VSWR Fault greater than 1 5 1 not...

Page 141: ...e APC is turned OFF APC will be disabled when there are faults in the system such as failed PA module or PS module Check other LED s and the fault log for further information This can also be turned o...

Page 142: ...hernet port or connected to the same network as the transmitter If connecting direct to the front panel Ethernet ensure the computer network properties is set to DHCP Once the computer is connected go...

Page 143: ...Address of front panel Ethernet port Default shown user setting only in telnet 4 MAC Address of the rear panel Ethernet port Cannot be changed 5 Mode of rear panel Ethernet port Static or DHCP user s...

Page 144: ...r 5 IPA SW Mode changes the IPA switching mode between Auto and Manual 6 EXC SW Mode Changes the exciter switching mode between Auto and Manual 7 IPA Switch Switches the IPA between A and B side 8 EXC...

Page 145: ...ED s on the System Interface Board in each power block Figure 6 7 Telnet Page 4 7 PA Modules Status Meters Displays IPA and PA Module Fault status Current PA Volts and PA Temp In a FAX30 40 pressing 2...

Page 146: ...will show time and date of occurrence and time and date fault was cleared R Clears the fault log Up Down arrows pages through multiple pages Figure 6 9 Telnet Page 6 7 Calibration Data Page 6 display...

Page 147: ...parts for each assembly and sub assembly in the unit If the need comes up that requires a part not listed the numbers for that assembly can be given to a Harris Broadcast Representative who can assist...

Page 148: ...HEET METAL 943 5610 078 SHIELD FRONT DOOR SHEET METAL 943 5610 084 COVER FILTER SHEET METAL 952 9266 001 JUMPERS FAX 10KW 952 9266 003 CABLE DC 952 9266 005 CABLE AC 952 9266 006 CABLE RF SWITCH 952 9...

Page 149: ...R LOAD 952 9266 008 JUMPERS SPLITTER 544 1654 000 REJECT LOAD RES 100 OHM 250W 544 1661 000 14 REJECT LOAD RES 100 OHM 10W 901 0234 011G PWA 2 WAY SPLITTER A1 055 0100 005 THERMAL COMPOND 802 971 0054...

Page 150: ...1 Per Power Block 3 Phase Wye Circuit Breakers 606 1180 000 4 Pole 40 Amp 400 VAC 1 Per Power Block 1 Phase Circuit Breakers FAX5 10 20 Only 606 1180 000 2 Pole 50 Amp 400 VAC 1 Per Power Block Outlet...

Page 151: ...escription Qty 430 0358 000 Fan 48 VDC 410 CFM PWM Control 172 mm 2 or 4 546 0338 000 Resistor 500 ohm 10 300 Watt Non Inductive 10 or 20 901 0234 151G Fan Control Board 1 per Load Table 7 3 FAX20 30...

Page 153: ...required to be bolted together the following instructions are to be followed Refer to wiring diagrams in Section 100 of the drawing package that accompanied the transmitter if needed a 2 Procedure Set...

Page 154: ...r prior to Servicing 888 2720 001 Loosen the pre installed hardware between cabinet 1 2 Assemble filler channels to the front and rear of cabinets 3 per side From the top maneuver each channel onto ha...

Page 155: ...ve preinstalled hardware from top of racks Install top bracket and secure with hardware that was just removed Fasten the top ends of the channel covers to top bracket with finish screws 2 Channel Cove...

Page 156: ...Broadcast WARNING Disconnect primary power prior to Servicing 888 2720 001 Bend back grounding strap in cabinet 2 and fasten to the grounding bar cabinet 1 Position the final horizontal combiner as sh...

Page 157: ...13 Harris Broadcast Connect the final horizontal combiner to both vertical combiners Secure combiner with hose clamps at each inlet Install RF conductor assembly that shipped loose with unit Insert RF...

Page 158: ...rior to Servicing 888 2720 001 Connect the RF conductor previously installed to the top of the horizontal combiner Secure hose clamp at connection Install directional coupler onto the horizontal combi...

Page 159: ...isconnect primary power prior to Servicing Copyright 2013 Harris Broadcast Fasten the RF connector bullet to top of rack and connect to the RF output line coming from coupler Locate the bag with 10 AC...

Page 160: ...0 001 Route the 10 power cables thru the white clamps on the air duct Route cables 9 11 13 15 into the corner of the top power block Connect cables to the AC inlet connectors as shown below Route the...

Page 161: ...001 WARNING Disconnect primary power prior to Servicing Copyright 2013 Harris Broadcast Route cables 10 12 14 16 from side of cabinet to bottom power block Connect cables to bottom power block s AC In...

Page 162: ...opyright 2013 Harris Broadcast WARNING Disconnect primary power prior to Servicing 888 2720 001 Route the black cables w receptacles up to both exciters Plug in cable 203 to Exciter A Plug in cable 20...

Page 163: ...ry power prior to Servicing Copyright 2013 Harris Broadcast Locate bag with coax cables pink wires in rear of cabinet 2 Remove cables from bag Route coax cables up to the directional coupler Connect c...

Page 164: ...ification Instructions October 23 2013 Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to Servicing 888 2720 001 Connect Wago connectors with pink wires 217 218 together in cabi...

Page 165: ...oadcast Locate the bag with a ribbon cable in the front of cabinet 1 Remove cables from bag and route over to cabinet 2 Connect Wago connectors with pink wires 210 thru 216 together in cabinet 2 Clamp...

Page 166: ...ber 23 2013 Copyright 2013 Harris Broadcast WARNING Disconnect primary power prior to Servicing 888 2720 001 Install blank panel onto front of cabinet 2 Assemble rear doors on both cabinets End of cab...

Page 167: ......

Page 168: ...l http support harrisbroadcast com 9800 S Meridian Blvd Ste 300 Englewood CO 80112 U S A 2013 Harris Broadcast Harris Broadcast is an independent company not affiliated with Harris Corporation Tradema...

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