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AR 10006031, Operating And Service Manual

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AR 10006031 Operating And Service Manual Download Page 58

Model 200T4G8 

5.5 

Recommended Spare Parts  

 

A10007-000 

Anode module assembly 

A10010-000 

Heater power supply module 

A10017-090 PWM 

board 

A16487-001 

Power board assembly 

A21457-001 

High voltage filter assembly 

A21425-090 

High voltage diode/cap assembly 

A23683-000 

Power factor correction, 100-250V input 

A23687-001 

Low voltage power supply module (220 V) 

E00809-000 

Power supply, 28V, 150 W (Kepco FAW 28-3.5k) 

Y10051-000 

Motorized impeller, 340 CFM 24 VDC (McLean DB716-24-25-S12) 

 

48 

Rev. F 

Summary of Contents for 10006031

Page 1: ...Operating and Service Manual 200T4G8 Model 10006031 Part Number Serial Number 160 School House Road Souderton PA 18964 215 723 8181 Fax 215 723 5688 www arworld us...

Page 2: ......

Page 3: ...h the requirements of the EEC EMC Directive 89 336 EEC in accordance with the relative standards listed below EMC EN 50081 1 EN 50082 1 prEN 50082 1 EN 55022 1987 Class A IEC 1000 4 2 1995 4kV Air Dis...

Page 4: ......

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: ...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 8: ......

Page 9: ...Soft Keys 12 3 5 Rear Panel Features 16 3 6 Initial Turn On and Warm up Procedure 17 3 7 Emergency Bypass Operation 18 3 8 Remote IEEE 488 Operation 18 3 9 TWTA General Considerations 23 4 MAINTENANCE...

Page 10: ...eens 12 Figure 3 4 TWTA Rear Panel Features 16 Table 1 1 Specifications for Model 200T4G8 2 Table 1 2 Model Configurations 3 Table 3 1 Front Panel Features 11 Table 3 2 TWTA Rear Panel Features 16 Tab...

Page 11: ...les Primary power is 190 260 volts 50 60 Hz single phase An efficient switching power supply design provides minimum power consumption A fast regulation control loop and a high degree of filtering ens...

Page 12: ...Model 200T4G8 2 Rev F...

Page 13: ...dband traveling wave tube TWT microwave amplifier designed for applications where instantaneous bandwidth and high gain are required A reliable 250 watt TWT provides a conservative 200 watts minimum a...

Page 14: ...s 4 dBc maximum Minus 7 0 dBc typical PRIMARY POWER 190 260 VAC 50 60 Hz single phase 2 0 KVA maximum CONNECTORS RF input Type N female on rear panel RF output Type N female on rear panel RF output sa...

Page 15: ...fier E30069 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 preamp s output drives the RF input of t...

Page 16: ...WT DC heater The high voltage power supply consists of the following the Power Factor Correction module A23683 000 converts line voltage to DC for the high voltage switching supply Switching transisto...

Page 17: ...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 18: ...onnect 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 panel...

Page 19: ...equipment in the same rack especially below the TWTA Failure to provide adequate cooling can result in the unit shutting down from over temperature conditions The TWTA dissipates approximately 1 5 kil...

Page 20: ...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 21: ...tton 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 a...

Page 22: ...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 23: ...pply and put the HPA into Sleep Mode see below Pressing 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 set...

Page 24: ...In 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 t...

Page 25: ...4 brings back 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 wi...

Page 26: ...VAC IN AC power input connector 2 REMOTE INTERFACE Remote control connector 3 EXTERNAL INTERLOCK Connector to remote temperature switch protecting the isolator load 4 Cooling air intake 5 Cooling air...

Page 27: ...ory 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 voltages are near nominal The...

Page 28: ...t as well This is a flat square single 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 OPERATIO...

Page 29: ...m dBm Pr dBm RDPRW Returns reverse power out W watts Pr W RDPOHID Returns over forward power warning setpoint dBm dBm Pohi dBm SPOHID Sets over forward power warning setpoint dBm dBm RDPOLOD Returns u...

Page 30: ...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 31: ...r time delay expired 5 Under forward power warning 6 Foldback active 7 MSB Inhibit mode x bit Meaning 8 LSB External inhibit 9 Interlock open 10 ALC 11 MSB not used w bit Meaning 12 LSB not used 13 Sl...

Page 32: ...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 33: ...ic operation Availability For critical missions and after long periods of storage it is recommended that TWTA operation be checked sufficiently in advance of the mission to permit repair if required T...

Page 34: ...loss for radiated fields may be used to lower the noise received by the broadband measurement device Explanation of Limiting the Time in Standby mode and of Repeated Operate Selection Traveling wave t...

Page 35: ...users should reduce the likelihood of occurrence of this problem by limiting the amount of time in the Standby mode The service measures involve pulsing of the tube beam current and gradually increas...

Page 36: ...Model 200T4G8 26 Rev F...

Page 37: ...vely established that the high voltage filter capacitors have been discharged to a known safe level CAUTION A malfunctioning power supply can cause damage to the TWT If you are troubleshooting the TWT...

Page 38: ...ds Remove any dirt from around the five high voltage connectors While the cover is off check for loose wires components or fasteners Reassemble in reverse order 4 4 TROUBLESHOOTING Symptom Possible Ca...

Page 39: ...h the internal mechanical construction to permit correct re assembly Limited troubleshooting may be conducted with caution based on the failure symptom and an understanding of the logic schematic diag...

Page 40: ...Model 200T4G8 30 Rev F...

Page 41: ...ended 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 d...

Page 42: ...y 1A1A8A1 A10008 000 Anode HV Assy 1A1A8A1T1 A09407 000 Pulse Top XFMR for L Band 1A1A8A1T2 A09228 000 Feedback XFMR Hand Wound 1A1A8A2 A10009 000 Modulator Control 1A1A9 A10010 000 Heater Power Suppl...

Page 43: ...000 HPA Logic and Control A16485 000 10 24369 000 Remote Control Board with Foldback A24369 000 10 24380 000 Microwave Power Assembly A24380 030 10 28880 000 HPA 200W 10 1 2 Series A28880 932 10 25444...

Page 44: ...Model 200T4G8 34 Rev F...

Page 45: ...Model 200T4G8 5 3 WIRING DIAGRAMS 20 22520 000 TWT Power Supply 10 1 2 Series A22520 090 Rev F 35...

Page 46: ...Model 200T4G8 36 Rev F...

Page 47: ...ontrol Assembly A22520 090 C Band Power Supply for TWT 5889 A24324 000 HPA System Front Panel Assembly A24369 000 Remote Control Board A24380 030 Microwave Power Assembly A25444 000 HPA Interface Boar...

Page 48: ...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 49: ...R15 R32020 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 PRECISIO...

Page 50: ...E 1 A11 A10017 090 PWM BOARD 1 A3 A16485 000 HPA LOGIC AND CONTROL MODULE 1 A5 A16487 001 POWER BOARD ASSY C MODE 1 A6 A21425 090 HIGH VOLTAGE DIODE CAP ASSY FOR TWT 5889 1 A7 A21457 001 HV FILTER MOD...

Page 51: ...00 PAL 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 COV...

Page 52: ...ERTICAL 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 COMPONENTS...

Page 53: ...SCO MDC8065 14 1 E20066 000 ATTENUATOR 10DB 2W DC 18GHZ OMNI SPECTRA 2082 6147 10 1 W3 E20101 000 CABLE ASSY FLEX COAXIAL 0 410 OD 22 N PLUGS STORM 90 078 022 1 E20130 000 ADAPTER SMA MALE TO SMA FEMA...

Page 54: ...6 117 121 125 132 167 C31036 000 CAP 0 1MF 100VDC 10 CER 1 FAILURE KEMET CKR06 SERIES W V OPTION 61 C12 C14 C21 C27 C29 C31 C34 C36 C38 C17 C18 C19 C37 C54 C55 C56 C57 C58 C59 C60 C61 C118 C119 C120 C...

Page 55: ...K 1 2W 10 CERMET 100PPM 20T TOP ADJ BECKMAN 67W 2 R9 R12 R15 R22 R35 R36 R40 R44 R30103 000 RES 10K 1 8W 1 MF AXIAL 100PPM DALE CMF 50 RN50C1002F 9 R17 R19 R20 R21 R23 R25 R28 R31 R42 R43 R46 R18 R301...

Page 56: ...GNITUDE COMPARATOR 74HCT688 SSD 1 U22 U24 U57 U28008 000 IC QUAD 2 INPUT AND 74HC08 SSD 3 U4 U49 U58 U28032 000 IC QUAD 2 INPUT OR 74HC32 SSD 3 U44 U46 U28040 000 IC 12 BIT DECADE COUNTER 74HCT4040 SS...

Page 57: ...ONTROL FRONT PANEL ASSEMBLY 1 A2 A24380 030 MICROWAVE POWER ASSEMBLY 200C 1 A9 A24381 030 HPA CABINET 200C 10 1 2 SERIES DO NOT KIT 1 A6 A24382 000 COOLING SYSTEM 10 1 2SERIES 1 A5 A25444 000 HPA INTE...

Page 58: ...87 001 Power board assembly A21457 001 High voltage filter assembly A21425 090 High voltage diode cap assembly A23683 000 Power factor correction 100 250V input A23687 001 Low voltage power supply mod...

Page 59: ...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 60: ...Model 200T4G8 50 Rev F...

Page 61: ...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...

Page 62: ......

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