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AR 10012514, Operating And Service Manual

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AR 10012514 Operating And Service Manual Download Page 51

 

5. TECHNICAL 

DOCUMENTATION 

The purpose of this technical documentation section is to provide a guide to the TWTA for technician-level 
servicing. It is intended for use by qualified technical personnel who 

must

 troubleshoot and repair the TWTA 

in the field. Such repairs are typically limited to replacement of modules or major components. For this 
reason, documentation pertaining to the highest levels of the system and to system control logic is included. 

 

Rev A 

33 

Summary of Contents for 10012514

Page 1: ...Operating and Service Manual 300T2G8 Model 10012514 Part Number Serial Number 160 School House Road Souderton PA 18964 215 723 8181 Fax 215 723 5688 www arworld us...

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Page 3: ...owing European directives Low Voltage Directive 2014 35 EU EMC Directive 2014 30 EU Supplementary Information Safety EN 60215 1 1989 EN 61010 1 2010 EMC EN 61000 6 2 2005 EN61000 6 4 2007 Year Mark Ap...

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Page 5: ...clearance on all vented sides of the equipment to permit the airflow required for proper ventilation Do not restrict airflow into the equipment by blocking any vents or air intakes Restricting airflow...

Page 6: ...a assembly may be heavy requiring two persons to lift Use caution when installing or removing unit Follow all equipment setup and lifting instructions specified in this document Ensure connectors are...

Page 7: ...von 10 2 cm 4 in auf allen bel fteten Seiten des Ger ts ein um eine ausreichende Luftzirkulation zu gew hrleisten Beintr chtigen Sie den Luftstrom des Ger ts nicht indem Sie L ftungs ffnungen oder de...

Page 8: ...allen in diesem Dokument angegebenen Anweisungen zur Anbringung Stellen Sie sicher dass alle Anschl sse f r den beabsichtigten Betrieb geeignet sind Informationen zu den Anschl ssen erhalten Sie im Be...

Page 9: ...tilation Ne limitez pas le flux d air allant dans l quipement en bloquant tout vent ou entr e d air La restriction du flux d air peut endommager l quipement causer des coupures intermittentes ou des d...

Page 10: ...dent lorsque vous installez ou retirez l unit Respectez toutes les instructions concernant l installation et le levage de l quipement indiqu es dans ce document Assurez vous que les connecteurs sont a...

Page 11: ...is voor goede ventilatie mogelijk te maken Belemmer de luchtstroom in het apparaat niet door ventilatieopeningen of luchtinlaten te blokkeren Het belemmeren van de luchtstroom kan leiden tot schade a...

Page 12: ...nstellen en optillen van de apparatuur die in dit document worden vermeld Zorg ervoor dat de connectoren geschikt zijn voor de beoogde werking De connectoren worden gespecificeerd in de gebruikershand...

Page 13: ...al before you undertake to operate service or modify this machine Any variance or modification should be noted dated and initialed in the discrepant part of all manuals on hand for future reference If...

Page 14: ......

Page 15: ...quency with Gain set to 100 apply RF drive that will provide rated power This will help indicate if the gain or power is changing and if the traveling wave tube or pre amp needs service Record the fol...

Page 16: ......

Page 17: ...ont Panel Display and Soft Keys 14 3 5 Rear Panel Features See Figure 3 4 below 18 3 6 Initial Turn On and Warm up Procedure 19 3 7 Emergency Bypass Operation 20 3 8 Remote IEEE 488 Operation 20 3 9 P...

Page 18: ...w of HPA 6 3 2 TWTA Front Panel Features 9 3 3 Front Panel Display Screens 10 3 4 TWTA Rear Panel Features 14 TABLES 3 1 Front Panel Features 9 3 2 Rear Panel Features 14 3 3 Catalog of IEEE 488 Comma...

Page 19: ...use the amplifier is supplied in an enclosure with integral carrying handles Primary power is 190 260 volts 50 60 Hz single phase An efficient switching power supply design provides minimum power cons...

Page 20: ...Model 300T2G8 2 Rev A 1 5 TEST DATA SHEET A Test Data Sheet for a specific unit is prepared at the time of manufacture and is included with the unit s copy of this manual...

Page 21: ...a self contained forced air cooled broadband traveling wave tube TWT microwave amplifier designed for applica tions where instantaneous bandwidth and high gain are required A reliable TWT provides a c...

Page 22: ...ase 3 0 KVA maximum CONNECTORS RF input Type N female rear RF output Type N female rear RF output sample port Type N female rear GPIB IEEE 488 f rear Interlock DB 15 f rear Video BNC female rear COOLI...

Page 23: ...Products call 215 723 8181 For an applications engineer call 800 933 8181 Direct to Service call 215 723 0275 or email service arworld us For Faxing Orders 866 859 0582 Orders Only Please info arworl...

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Page 25: ...1167 000 and a traveling wave tube amplifier E01538 000 The type N RF input connector is located on the rear panel The RF input is fed to the input connector on the solid state preamp The solid state...

Page 26: ...provided by the low voltage power supply module A23687 001 Control logic and TWT protection circuits are contained in the HPA logic and Control Assembly A16485 000 The Heater Power Supply Module A1001...

Page 27: ...nt in microwave tube amplifiers in general and with this equipment in particular Never handle the TWT leads or the high voltage connectors unless the unit has been unplugged and it has been positively...

Page 28: ...connect transport brackets to amplifier two on each bracket Reinstall screws in holes in chassis On the front of the unit remove the four screws two outside screws on each side mounting the front pane...

Page 29: ...e unit shutting down from over temperature conditions The TWTA dissipates approximately 1 5 kilowatts when in the operate mode 3 2 4 AC Line Power Connections AC line power connection to the TWTA is m...

Page 30: ...nector J3 If no external isolator is used install a jumper between pins 3 and 4 See section 3 2 6 External Interlock Connector below 3 2 6 External interlock connector The TWTA is provided with extern...

Page 31: ...button biases grid off and turns off high voltage 4 ADJUST Rotary knob used as an input device to change values of a variety of parameters 5 EXIT Push button terminates various menu selection routines...

Page 32: ...nformational screens are programmed It is important for the operator to be able to select the screen with the required information Screen selection is accomplished by pressing an appropriate soft key...

Page 33: ...g S1 SET toggles between ON and OFF Pressing MORE again brings up the SETUP 2 screen which allows the user to change the Auto Sleep Mode timer setting Pressing SET will change the timer options in hal...

Page 34: ...the event that the alarm is heard the operator should go to MENU 1 to determine the cause Pressing more brings up WARNINGS 2 which allows the under forward power setpoint to be entered Adjusting this...

Page 35: ...ck the MENU screens Line 3 of MENU 1 which normally displays the operational state of the TWTA is used as a fault display line until the fault is cleared When the fault clears the system will automati...

Page 36: ...TERFACE Remote control connector 3 EXTERNAL INTERLOCK Connector to remote temperature switch protecting the isolator load 4 Cooling air intake 5 Cooling air outlet 6 RF IN RF input type N female 7 FOR...

Page 37: ...e the TWTA left the factory are logged on the test data sheet Push the OPERATE push button You will now see the cathode and the collector voltages rise Verify that the grid collector and cathode volta...

Page 38: ...turn pot R1 CAUTION Do not adjust 20 turn pot R11 its function is to set the foldback VSWR level and it is calibrated at the factory 3 8 REMOTE IEEE 488 OPERATION The TWTA is provided with an IEEE 48...

Page 39: ...int dBm dBm Pohi dBm SPOHID Sets over forward power warning setpoint dBm dBm RDPOLOD Returns under forward power warning setpoint dBm dBm Polo dBm SPOLOD Sets under forward power warning setpoint dBm...

Page 40: ...have remote enabled 51 Remote system is not ready to accept commands 60 Command is not allowed in current system state 901 Assert error invalid table argument 902 Assert error invalid calibration Ple...

Page 41: ...lay expired 5 Under forward power warning 6 Foldback active 7 MSB Inhibit mode x bit Meaning 8 LSB External inhibit 9 Interlock open 10 not used 11 MSB not used w bit Meaning 12 LSB not used 13 Sleep...

Page 42: ...hour heater auto off time delay 2 1 5 hour heater auto off time delay 3 2 0 hour heater auto off time delay 4 2 5 hour heater auto off time delay 5 3 0 hour heater auto off time delay Command syntax...

Page 43: ...e been changed by a fault condition of the amplifier or by operator activation of the amplifier Periodic checking of the status is also recommended 3 9 PULSED OPERATION This amplifier is provided with...

Page 44: ...d An alternate approach if periodic trip off has been observed is to operate the unit without rf input for 1 2 hours before planned functional operation resetting the unit after occasional trip off Co...

Page 45: ...assy arcing may occur when the high voltage is fully applied in the Operate mode Another possible failure mode is a body over current fault when the beam is turned on and the tube is gassy Occasional...

Page 46: ...Model 300T2G8 28 Rev A...

Page 47: ...If you are troubleshooting the TWTA remove the TWT and substitute suitable loads to prevent damage to the TWT 4 2 UNAUTHORIZED REPAIRS CAUTION Unauthorized repairs or modification of this product duri...

Page 48: ...el open interlock switch open Control module display does not come up unit does not beep when powered up Shorted or defective control module power supply Control module failure Control module does not...

Page 49: ...ly A21455 050 the High Voltage Filter Assembly A21461 005 the Modulator Assembly A21422 101 and the Heater Supply A10010 000 are encapsulated modules and are not repairable Contact an authorized servi...

Page 50: ...Model 300T2G8 32 Rev A...

Page 51: ...el servicing It is intended for use by qualified technical personnel who must troubleshoot and repair the TWTA in the field Such repairs are typically limited to replacement of modules or major compon...

Page 52: ...1A1A8A1T2 A09228 000 FEEDBACK XFMR HAND WOUND 1A1A8A1T3 A09229 000 BIAS XFMR HAND WOUND 1A1A8A1T4 T5 A09230 000 XFMR GATE DRIVE HAND WOUND 1A1A8A2 A23715 121 PIJ PSC MODULATOR CONTROL BOARD 1A1A9 A10...

Page 53: ...Logic and Control A16485 000 10 24369 000 Remote Control Board with Foldback A24369 000 10 24380 000 Microwave Power Assembly A24380 066 10 28880 000 HPA 200W 10 1 2 Series A28880 963 10 25444 000 HP...

Page 54: ...Model 300T2G8 36 Rev A...

Page 55: ...5 3 WIRING DIAGRAMS 20 22520 000 TWT Power Supply 10 1 2 Series A22520 052 Rev A 37...

Page 56: ...Model 300T2G8 38 Rev A...

Page 57: ...rol assembly A22520 052 S C band power supply for TWT 5082 A24324 000 HPA system front panel assembly A24369 000 Remote control board A24380 066 Microwave power assembly A25444 000 HPA interface board...

Page 58: ...SUB PCB RIGHT ANGLE AMP 747252 4 1 J18075 000 MALE SCREW LOCK FOR D SUBMIN CONN AMP 205817 1 1 J4 J5 J18086 000 CONN SMA JACK RECEPTACLE RIGHT ANGLE 0 18GHZ PC MOUNT JOHNSON COMPONENTS 142 0701 301 2...

Page 59: ...2020 000 TRIMPOT 10K 1 2W 10 CERMET 20T SIDE ADJ BECKMAN 67X 2 U4 U5 U6 U02390 000 IC QUAD COMPARATOR NAT LM139J 3 U7 U03240 000 IC LOW POWER OP AMP NAT LM324 1 U9 U10070 000 REFERENCE PRECISION 10V L...

Page 60: ...A3 A16485 000 HPA LOGIC AND CONTROL MODULE 1 A5 A16487 001 POWER BOARD ASSY C MODE 1 A8 A21422 101 GRID MODULATOR FOR CW HPA W PULSE OPTION 1 A6 A21455 050 DIODE CAP ASSY FOR TWT MTG 5082 1 A7 A21461...

Page 61: ...AL NUT FOR AR ESCUTCHEON AR 14048 2 J26 J01031 000 CONN MALE 3 PIN 063 MOLEX 03 06 20332 1 XJ26 J03013 000 CONN PIN MALE 063 MOLEX 002 06 2103 3 N21564 001 DISPLAY VIEW WINDOW 1 XA2 N22922 900 COVER P...

Page 62: ...VERTICAL EF JOHNSON 105 0852 001 1 TP3 J16213 000 TEST JACK ORANGE VERTICAL EF JOHNSON 105 0856 001 1 J2 J4 SEE NOTE J18086 000 CONN SMA JACK RECEPTACLE RIGHT ANGLE 0 18GHZ PC MOUNT JOHNSON COMPONENT...

Page 63: ...MEC 5208 1 R1 R2 E20012 000 ATTENUATOR 6DB SMA 2W MIDISCO MDC8065 6 2 E20130 000 ADAPTER SMA MALE TO SMA FEMALE RIGHT ANGLE CDI 5490CCSF PASTERNACK PE9262 1 A5 E20174 000 COUPLER DUAL DIRECTIONAL 2 8...

Page 64: ...40 41 42 48 49 50 51 53 62 63 64 65 70 71 73 77 79 83 85 87 88 89 91 94 96 97 98 102 103 105 107 108 109 110 111 112 113 114 115 116 117 121 125 132 167 C31036 000 CAP 0 1MF 100VDC 10 CER 1 FAILURE K...

Page 65: ...O 18 8 R2 R01220 000 RES 220 OHM 1 4W 5 CC A B RC07GF221J 1 R41 R01680 000 RES 680 OHM 1 4W 5 CC A B RC07GF681J 1 R1 R04200 000 RES 200K 1 4W 5 CC A B RC07GF204J 1 R4 R7 R05820 000 RES 8 2M 1 4W 5 CC...

Page 66: ...ESET 7473 SSD 1 U51 U21328 000 IC QUAD 2 INPUT NAND SCHMIDTT TRIGGER 74HC132 SSD 1 U52 U21388 000 IC 3 TO 8 DECODER DEMULTIPLEXER INVERTING 74HC138 SSD 1 U32 U21536 000 IC DUAL 4 INPUT DIGTAL MULTIPLE...

Page 67: ...NTITY RP1 RP5 U32103 000 IC 10K FEED THROUGH RES NETWORK 16 PIN DIP A B 316B103 5 U56 U40008 000 REGULATOR OIL 5V 100MA TO 92 MOTOROLA MC78L05ABP 1 U55 U40012 000 FLIP FLOP OCTAL D TYPE LATCH WITH RES...

Page 68: ...L FRONT PANEL ASSEMBLY 1 A2 A24380 066 MICROWAVE POWER ASSEMBLY 200SC WITH 2DB EQ 1 A9 A24381 060 HPA CABINET 200SC 10 1 2 SERIES DO NOT KIT 1 A6 A24382 000 COOLING SYSTEM 10 1 2SERIES 1 A5 A25444 000...

Page 69: ...Modulator assembly A21455 050 High voltage diode cap assembly A21461 005 High voltage filter assembly A23683 000 Power factor correction 100 250V input A23687 001 Low voltage power supply module 220 V...

Page 70: ...URE 1040 1041 DIM F 80 1042 DIM A 80 1050 CLEAR SCREEN 1060 INPUT INPUT COMMAND TO SEND TO POWER SUPPLY EXIT TO QUIT A 1070 IF A EXIT THEN 1130 1080 OUTPUT 701 A 1090 IF A 1 2 RD THEN GOTO 1060 1095 I...

Page 71: ...cover If the security label is removed and or cut the warranty of the module will be voided Vacuum tubes in the L series amplifiers traveling wave tubes in TWT amplifiers and power heads will be free...

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