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Technalogix TXF-50, Operating Manual

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Technalogix TXF-50 Operating Manual Download Page 17

 

 

 

 

 

 

 

 

1 

Safegua

rds 

 

2 

Terms and

 

Warranty 

3 

Principl

e o

f 

Operati

o

n

 

4 

Ins

talla

tion

 

5 

Operati

o

n

 

6 

C

o

nt

rol Syst

em

 

7 

RF Componen

ts 

8 

Power

 Supp

ly 

9 

Maintenan

ce

 

10 

Troubleshoo

ting

 

 

6.  Connect the desired audio source connection, analog mono or stereo, digital 

audio, or MPX.  Subcarrier signals can be connected to the SCA1 or SCA2 
BNC connectors. 

 

7.  Connect additional control/monitoring cables if desired.  SNMP or Ethernet 

should be connected to the lower RJ45 on the back panel.  Remote port 
connections are made to the DB25 connector and the internal RDS in 
controlled by RS232 on the DB9 connector. 
 

 

At this stage, the system is set up and ready to do a preliminary start up, as 
outlined in the “Operating Procedure” section. 

Summary of Contents for TXF-50

Page 1: ...FM TRANSMITTER...

Page 2: ...every attempt to educate readers of all technical levels If there is something that is not clear or you require further information please do not hesitate to contact us and we ll be glad to help out...

Page 3: ...d be observed by personnel using this or other electronic equipment Documentation Read retain and follow instructions before operating the equipment There is a lot of useful information in the manual...

Page 4: ...ple degrees of burns recognizable as follows a first degree burn reddens the skin a second degree burn blisters the skin a third degree burn chars the flesh and frequently places the victim in a state...

Page 5: ...cted power and high temperature and other warnings can decrease the reliability of your system and frankly makes our repair department busy and grumpy If you need to transmit to a little larger covera...

Page 6: ...d by Seller of any of the terms or conditions hereof shall be deemed a continuing waiver or trade custom between parties but shall apply solely to the instance to which the waiver is directed Ordering...

Page 7: ...n Seller consent All changes must be included in change order reflecting purchase order and submitted to the Seller All other changes will not be accepted acknowledged Changes may affect delivery date...

Page 8: ...elivery or failure to deliver which is due to any cause beyond Seller s control including without limitation acts of nature unavailability of supplies or sources of energy riots wars fires floods epid...

Page 9: ...the practices of untrained or unqualified personnel in the handling of this equipment and does not include misuse neglect or accident incorrect wiring and or improper installation unauthorized repair...

Page 10: ...mplifier systems the pattern of the antenna then dictates the range and coverage area The amplification is accomplished by one or many amplifier pallets internal to the power amplifier system If there...

Page 11: ...licensed local electrician be consulted for the required electrical service We suggest local electricians because The personnel knows the local codes The personnel can be on site readily You are apt...

Page 12: ...ll coaxial cables in the system input and output Pay attention to radial ice accumulation when designing the transmission system It is not uncommon for at least an inch of ice to build up on a tower o...

Page 13: ...be stuffed with steel wool and caulked to prevent entry of wildlife Other features of security for your shelter may include its location with respect to the prevailing wind conditions Locations leewar...

Page 14: ...ent or warped chassis loose screws or nuts or extraneous packing material in connectors or fan failures Inspect all connectors for bent connector pins If the equipment is damaged a claim should be fil...

Page 15: ...Ethernet RJ45 jack SNMP Simple Network Management Protocol SNMP remote control and monitoring RJ45 S PDIF COAX Digital audio input Sony Phillips Digital Interface coaxial RCA female S PDIF OPTICAL Dig...

Page 16: ...permanent location near a receptacle supplying the required AC or DC mains voltage 3 Place an appropriate AC or DC power line protector conditioner and or surge suppressor across the supply line This...

Page 17: ...or MPX Subcarrier signals can be connected to the SCA1 or SCA2 BNC connectors 7 Connect additional control monitoring cables if desired SNMP or Ethernet should be connected to the lower RJ45 on the ba...

Page 18: ...e power amplifier fans are powered via DC voltage so this is an indication that the power supply is started and running There may be fans installed in the filter or power supply enclosures if applicab...

Page 19: ...upplied final inspection sheet for factory settings of power supply levels on the display of the power amplifier You should see no more than 3 fluctuations in DC supply voltage and even less with a pr...

Page 20: ...he receiving antenna or with obstructions in the path between the amplifier antenna and receiver There is also a troubleshooting section located later in this manual At this time Technalogix recommend...

Page 21: ...r from both the front panel and remotely through the parallel port Ethernet or SNMP access port The control system is comprised of three modules These modules work together to provide all the function...

Page 22: ...GAIN STAGES TEMP SENSOR SHUTDOWN INTERFACE TEMPERATURE SENSOR 5V SWITCHING SUPPLY CHARACTER LCD CONTRAST SUPPLY EXTERNAL DC DC CONVERTER CAN INTERFACE DISPLAY INTERFACE OLED INTERFACE FM EXCITER AUDI...

Page 23: ...o monitor the following power amplifier or transmitter parameters from the front panel Forward incident power at the power amplifier or transmitter output Reflected reverse power at the power amplifie...

Page 24: ...emperature of the amplifier transmitter as well as relay commands from the user to the rest of the system If the DC Distribution Module is installed on higher power systems with multiple pallets then...

Page 25: ...6 F101 1 FUS 1651 FUSE 0 5A hold resettable polyswitch 24V SMD 1812 27 F102 1 FUS 1953 FUSE 0 75A hold resettable polyswitch 24V SMD 1812 28 L101 1 IND 0221 INDUCTOR 0 01uH 450mA DCR 130m SMD 1210 29...

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Page 28: ...escribed later in this section Summary Bar The summary bar at the bottom of the screen will stay in place no matter what screen is being viewed to allow for an operating summary at any time as describ...

Page 29: ...predetermined level to keep the amplifier transmitter pallets safe Should a fan fail inside the power amplifier transmitter enclosure or air conditioning fails inside the broadcast facility causing t...

Page 30: ...in increments of 1 or 10 Carrier Switch From any screen the FM amplifier or transmitter carrier can be turned on or off to facilitate adjustments settings and testing troubleshooting To toggle carrie...

Page 31: ...solator installed within the enclosure it is important to minimize VSWR with a good quality antenna installed using proper broadcast techniques Ice build up on the antenna and damages to 50 ohm transm...

Page 32: ...this level bar Typical maximum deviation required by Industry Canada or FCC is 75 kHz to avoid bleeding into adjacent channel bands of 200kHz bandwidths 100 represents a full 75 kHz deviation RIGHT LE...

Page 33: ...icons on the Menu Screen allow the user to take additional readings or make settings that are not provided from the Main RF and FM Screens Any changes to settings will be stored in non volatile memor...

Page 34: ...anged from the Settings screen From the RF Levels screen the user can also toggle between AGC and Manual mode The RF Levels Screen is displayed below To adjust Forward RF Level Press the up or down ar...

Page 35: ...reen and on the summary bar at the bottom of the touchscreen should not vary more than 2 If multiple amplifier pallets are included in the amplifier chain then the individual currents will all be disp...

Page 36: ...analog and digital audio inputs as standard the user can change audio input sources on the fly and can switch between analog and digital audio sources When digital audio is selected the Mono Stereo se...

Page 37: ...ck around Pre Emphasis Pre emphasis adds a boost to high frequencies in the FM signal to increase the signal above the noise floor The FM signal then is de emphasized at the radio receiver end Users c...

Page 38: ...format of the History Screen is illustrated below Ten of the most recent events are displayed on the History Screen As more events occur the earliest recorded event gets displaced on the screen The us...

Page 39: ...ce 10 Troubleshooting Audio Levels Screen The Audio Levels Screen allows the user to tweak audio input levels all from the front touch screen Step sizes will vary from 0 5 dB up to 2 0 dB depending on...

Page 40: ...al years down the road The versions can then be correlated to factory documentation In addition current government certification numbers are included for Industry Canada and FCC Please contact Technal...

Page 41: ...rovides an easy means for the user to get in touch with Technalogix for anything Whether they have a technical or installation question or simply want to chat about how gosh darn cool our equipment is...

Page 42: ...power readings When in percentage mode the power amplifier or transmitter is designed for a maximum operating power of 100 with overdrive protection typically at 110 To change the VSWR Shutdown Trip...

Page 43: ...esses the audio and then modulates the audio onto an FM carrier in the range of 87 5 to 108 0 MHz This modulated signal is then fed into a small gain stage before passing the signal off to the final g...

Page 44: ...P0JP704 P0JP705 JP8 P0JP801 P0JP802 P0JP803 P0JP804 P0JP805 L1 P0L101 P0L102 L2 P0L201 P0L202 L3 P0L301 P0L302 L4 P0L401 P0L402 L5 P0L501 P0L502 L6 P0L601 P0L602 L7 P0L701 P0L702 L8 P0L801 P0L802 L9...

Page 45: ...501 P0R20502 R206 P0R20601 P0R20602 R207 P0R20701 P0R20702 R208 P0R20801 P0R20802 R209 P0R20901 P0R20902 R210 P0R21001 P0R21002 R211 P0R21101 P0R21102 R212 P0R21201 P0R21202 R213 P0R21301 P0R21302 R21...

Page 46: ...rature readings of the heatsink The following is a block diagram of the Temperature Sensor module The temperature sensor IC is U701 which after it has taken a reading relays the digital information to...

Page 47: ...C703 2 CAP 14902 CAPACITOR 0 01uF 50V SMD 0805 5 C700 C706 2 CAP 17202 CAPACITOR 0 1uF 50V 10 SMD 0805 6 R701 R702 2 RES 3212 RESISTOR 100 ohm 1 SMD 0805 7 L700 1 IND 3176 INDUCTOR 22 uH 5 150MA 1210...

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Page 50: ...Amplifier Transmitter to your Network PC Connect an Ethernet cable from the RJ45 port labelled ETH SNMP use bottom connector on the back panel of the power amplifier or transmitter to your network s...

Page 51: ...accessed until you have established basic communication with the power amplifier or transmitter turned on 2 1 Web Page Password Protection After entering the above internal address into a web browser...

Page 52: ...on or off Forward RF in Overdrive 110 Full Scale FS High VSWR Pallet Voltage Supply Good RF In Level Good High Temperature The Performance section provides the user with specific parameters and measu...

Page 53: ...g Turn Carrier On Off Turn the Carrier on off AGC Increase the Carrier by removing attenuation steps of 1 or 10 dB VSWR Increase or Decrease the VSWR Trip point by 0 1 between 1 1 1 and factory determ...

Page 54: ...on the main web Ethernet page along the top are links to the other user parameter pages Main Returns to Main Index page Network Configuration SNMP Configuration Password Configuration The following s...

Page 55: ...careful changing HTTP ports as it can be difficult to go back to an original port You can force a web browser to use port 81 by address to http adrenaline 81 index htm To use this with an internet ad...

Page 56: ...stem 7 RF Components 8 Power Supply 9 Maintenance 10 Troubleshooting 3 2 SNMP Configuration 3 2 1 SNMP Communities The SNMP Configuration page allows you to set the SNMP communities Set these to limit...

Page 57: ...ag for high VSWR Overdrive error flag for overdrive Temperature Flag error flag for high temperature Preemphasis 0 25 50 or 75 us Read Write Reset 1 Reset System 0 Normal Carrier On 1 Carrier On 0 Car...

Page 58: ...Components 8 Power Supply 9 Maintenance 10 Troubleshooting 3 2 3 SNMP Traps To enable the SNMP traps within the MIB browser that you choose Set enable traps to 1 or yes depending on MIB browser Set t...

Page 59: ...sure that your receiver s port is set to 162 The system will generate a general trap on any error flag and send an 8 bit value indicating the type of error as follows Bit 0 LSB Overdrive Bit 1 High VS...

Page 60: ...ation This page allows the setting of the web browser s User or Admin password as illustrated below The User account allows access only to the main page The Admin account allows access to the main and...

Page 61: ...2 10 Do not use 11 High temperature flag2 12 High VSWR flag2 13 Amplifier overdriven flag2 14 Do not use 15 3 3Vdc for testing only do not load 16 Ground 17 Ground 18 25 Do not use Notes 1 Analog outp...

Page 62: ...to transmit time station identification programming information and more To control the RBDS RDS connect to the DB9 on the back of the unit using a RS232 connection A USB to RS232 or Ethernet to RS232...

Page 63: ...evels are absolute maximum levels Technalogix operates the pallets at reduced levels to improve performance and increase reliability PB1A 50 1000 1042H Typical gain 21 5 dB Pout max NTSC 1 W peak sync...

Page 64: ...onents 8 Power Supply 9 Maintenance 10 Troubleshooting PB25C 86 110 xxx Typical gain 40 dB Pout max 8VSB 25 W rms Frequency 88 108 MHz Pin max 10 dBm ID max 1 6 Adc VD 28 Vdc PB1200C 86 110 574 Typica...

Page 65: ...RF signal into and combine the amplified RF signal out of the final amplifier pallets within an amplifier transmitter enclosure The splitter and combiner can be 2 3 or 4 way depending on how many fin...

Page 66: ...lly the RF output connector on the back panel of the enclosure On higher power systems high power handling connectors are used especially in the overall output combiner On lower power systems the coup...

Page 67: ...86 110 MHz Input Power max 250 W continuous Insertion Loss max 0 3 dB Insertion Loss typ 0 25 dB Return Loss max 25 dB Return Loss typ 28 dB Rejection at 176 MHz 45 dB 800W LPF no coupler Frequency R...

Page 68: ...MHz Input Power max 1 500 W continuous Order 9 th order Chebyshev Insertion Loss max 0 12 dB Insertion Loss typ 0 1 dB Return Loss max 28 dB Return Loss typ 33 dB Rejection at 176 MHz 47 dB Directivit...

Page 69: ...supply The specific DC system voltage is found in the Final Inspection Report and the model and number of power supplies is documented in the Block Diagram supplied in the Quickstart package AC is fe...

Page 70: ...150W Single Output with PFC Function...

Page 71: ...150W Single Output with PFC Function SP 150 series 1 5 m m...

Page 72: ...urn the system off and unplug all of the AC inlet cords Remove the top lid by unscrewing the 6 32 machine screws Use extreme caution when working near the AC input terminal The power amplifier transmi...

Page 73: ...physical inspection of the entire facility Are all necessary connections properly made Do you see any signs of obvious damage within the equipment Is the AC power ON to the site and the equipment Che...

Page 74: ...n PSU input NO Faulty AC connection entry switch or breaker DC voltage present on PSU output YES Disconnect DC loads tape off so they do not short out to see if DC output loaded down Proper DC voltage...

Page 75: ...rol PCBs secure Contact Technalogix for further information Power supply display data accurate Remote port working correctly Goto page 2 of 2 YES YES YES DC or RF from dir coupler correct Display pins...

Page 76: ...ce functioning SNMP interface functioning Communication between PCBs working CAN Contact Technalogix for any issues not listed YES Display Interface orange S W LED flashing NO Is FWD RFL or DC voltage...

Page 77: ...mponents 8 Power Supply 9 Maintenance 10 Troubleshooting Thank you for choosing Technalogix Ltd If there is anything we can do to help in your success please do not hesitate to contact us We also welc...

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