Anritsu 56100A Maintenance Manual

Anritsu 56100A Maintenance Manual

Scalar network analyzer
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MODEL 56100A
SCALAR NETWORK ANALYZER
MAINTENANCE MANUAL
490 JARVIS DRIVE
MORGAN HILL, CA 95037-2809
P/N: 10410-00195
REVISION: C
PRINTED: OCTOBER 1997
COPYRIGHT 1997 ANRITSU CO.

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  • Page 1 MODEL 56100A SCALAR NETWORK ANALYZER MAINTENANCE MANUAL 490 JARVIS DRIVE MORGAN HILL, CA 95037-2809 P/N: 10410-00195 REVISION: C PRINTED: OCTOBER 1997 COPYRIGHT 1997 ANRITSU CO.
  • Page 2: Limitation Of Warranty

    WARRANTY LIMITATION OF WARRANTY TRADEMARK ACKNOWLEDGEMENTS ANRITSU NOTICE...
  • Page 4 Table Of Contents 56100A M M i/ii...
  • Page 5: Chapter 1 General I Nformation

    Chapter 1 General I nformation...
  • Page 6 NOTE: ANRITSU Company was formerly known as WILTRON Company.
  • Page 7 Chapter 1 General I nformation SCOPE OF THE MANUAL INTRODUCTION IDENTIFICATION NUMBER ANRITSU RELATED MANUALS ™ ONLINE MANUAL ™ NETWORK ANALYSIS DESCRIPTION 56100A M M...
  • Page 8 56100A SCALAR NETWORK GENERAL ANALYZER DESCRI PTI ON I NFORM ATI ON 56100A SCALAR NETWORK ANALYZER DESCRIPTION 56100A M M...
  • Page 9: Analyzer Descri Pti On

    GENERAL 56100A SCALAR NETWORK I NFORM ATI ON ANALYZER DESCRI PTI ON 68XXXB SIGNAL SOURCE 56100A M M...
  • Page 10 56100A SCALAR NETWORK GENERAL ANALYZER DESCRI PTI ON I NFORM ATI ON ± 56100A M M...
  • Page 11 GENERAL 56100A SCALAR NETWORK I NFORM ATI ON ANALYZER DESCRI PTI ON 56100A M M...
  • Page 12 56100A SCALAR NETWORK GENERAL ANALYZER DESCRI PTI ON I NFORM ATI ON 56100A M M...
  • Page 13: Additional Equipment Required

    GENERAL ADDI TI ONAL I NFORM ATI ON EQUI PM ENT REQUI RED OPTIONS ° ADDITIONAL EQUIPMENT REQUIRED 56100A M M...
  • Page 14: Available Accessories

    AVAI LABLE GENERAL ACCESSORI ES I NFORM ATI ON AVAILABLE ACCESSORIES 1-10 56100A M M...
  • Page 15 GENERAL AVAI LABLE I NFORM ATI ON ACCESSORI ES 56100A M M 1-11...
  • Page 16: Specifications

    PERFORM ANCE GENERAL SPECI FI CATI ONS I NFORM ATI ON PERFORMANCE SPECIFICATIONS EXCHANGE ASSEMBLY PROGRAM STATIC SENSITIVE COMPONENT HANDLING PRECAUTIONS RECOMMENDED TEST EQUIPMENT 1-12 56100A M M...
  • Page 17 Fuse, 1A, Antisurge, 5x20 mm (220/240 Vac Operation) 631-63 Fuse Holder, 3AG 553-221 Fuse Holder, 5 x 20 mm 553-240 Fan Assembly, Rear Panel C40217 Finger Guard, Fan (with filter, aluminum) 790-442 Knob, Data Entry 2000-641 Line Module Assembly, Rear Panel 260-13 56100A M M 1-13...
  • Page 18: Replaceable Subassem Bli Es

    REPLACEABLE GENERAL SUBASSEM BLI ES I NFORM ATI ON Description Part Number 56100A Models Without Front Handles Foot, Front, Bottom Right 2000-546 Foot, Front, Bottom Left 2000-547 Foot, Front,Top Left 2000-550 Foot, Front,Top Right 2000-551 56100A Models With Front Handles...
  • Page 19 ADDITIONAL PRECAUTIONS: • Keep workspaces clean and free of any objects capable of holding or storing a static charge. • Connect soldering tools to an earth ground. • Use only special anti-static suction or wick-type desoldering tools. 56100A M M 1-15...
  • Page 20: Recommended Test Equipment

    (50Ω impedance) Connector Cable Connects sweep generator signal for ANRITSU 806-7 C, P, O 56100A compatibility GPIB Cable Connects 56100A to 68147B via ANRITSU 2100-1 C, P, O dedicated bus RF Detector 0.01 to 20 GHz ANRITSU Model 560-7N50B C, P, O...
  • Page 21: Chapter 2 Performance Verification

    Chapter 2 Performance Verification...
  • Page 22 Chapter 2 Performance Verification INTRODUCTION RECOMMENDED TEST EQUIPMENT VERIFYING SIGNAL CHANNEL ACCURACY 56100A M M...
  • Page 23 Menu Select Channel 2 Display On/Off Off. INTERFACE OFF Channel 1 Menu Menu the Select key. 68XXXB SERIES SOURCE NOTE Ensure that the 68XXXB GPIB address is set to 5 for operation with a 56100A (default setting) 56100A M M...
  • Page 24 Cursor Measurements On/Off Retrace RF Calibra- tion Num- CURSOR DC Voltage dBm Reading –1.462V +16, +0.25; –0.10 –0.6208V +9, +0.12; –0.10 CURSOR –26, ±0.34 –1.313 mV Smoothing Channel 1 Menu Menu Select Menu Select Cursor Measurements On/Off 56100A M M...
  • Page 25 RF TEST PERFORM ANCE M ETHOD VERI FI CATI ON RF TEST METHOD Power System Menu 68XXXB SERIES SOURCE NOTE Ensure that the 68XXXB GPIB address is set to 5 for operation with a 56100A (default setting) 56100A M M...
  • Page 26 +0.3 +0.7 –0.1 –0.2 –0.6 ±0.14 ±0.3 ±0.5 ±0.7 –40 +0.15 +0.3 –0.1 –0.2 ±0.14 ±0.3 ±0.8 –50 +0.15 +0.3 +1.0 –0.1 –0.2 –0.9 ±0.14 ±0.3 ±1.0 ±1.1 –55 +0.15 +0.3 –0.1 –0.2 Menu Select Retrace RF 56100A M M...
  • Page 27 RF TEST PERFORM ANCE M ETHOD VERI FI CATI ON CW/Sweep Select Edit F1 Edit F1 Level Level Retrace RF Channel 2 Display On/Off Channel 1 Menu Menu Select Cursor Measurements On/Off 56100A M M...
  • Page 28 PERFORM ANCE RF TEST VERI FI CATI ON M ETHOD Averaging Menu Select. Averaging Edit F1 56100A M M...
  • Page 29 RF TEST PERFORM ANCE M ETHOD VERI FI CATI ON Averaging Channel 1 Menu Menu Select Menu Select Cursor Measurements On/Off Edit F1 key. 2-10 56100A M M...
  • Page 30: Performance Test Record

    UNCERTAINTIES IN RF TEST METHOD ± M a x i m u m V a r i a t i o n ± Frequency (GHz) ±0.3 +/- 1.6 Maximum Typical Input Power (dBm) PERFORMANCE TEST RECORD 56100A M M 2-11...
  • Page 31 CURSOR dBm Reading Rec’d –1.462V +16, +0.25; –0.10 –0.6208V +9, +0.12; –0.10 –26, ±0.34 –1.313 mV Number DC Voltage CURSOR dBm Reading (Spec) CURSOR dBm Reading Rec’d –1.462V +16, +0.25; –0.10 –0.6208V +9, +0.12; –0.10 –26, ±0.34 –1.313 mV 2-12 56100A M M...
  • Page 32 Input Power Level (dBm) Cursor dBm Reading Limits (dBm) 10.6 to 9.5 0.6 to –0.5 –10 –9.4 to –10.5 –20 –19.4 to –20.5 –30 –29.3 to –30.6 –40 –39.3 to –40.7 –50 –49.0 to –50.9 –55 –53.9 to –56.1 56100A M M 2-13...
  • Page 33 Input Power Level (dBm) Cursor dBm Reading Limits (dBm) 10.6 to 9.5 0.6 to –0.5 –10 –9.4 to –10.5 –20 –19.4 to –20.5 –30 –29.3 to –30.6 –40 –39.3 to –40.7 –50 –49.0 to –50.9 –55 –53.9 to –56.1 2-14 56100A M M...
  • Page 34: Chapter 3 Adjustments

    Chapter 3 Adjustments...
  • Page 35 Chapter 3 Adjustments INTRODUCTION RECOMMENDED TEST EQUIPMENT ADJUSTMENT PROCEDURES Power Reset 68XXXB SERIES SOURCE NOTE Ensure that the 68XXXB GPIB address is set to 5 for operation with a 56100A (default setting) 56100A M M...
  • Page 36: Adjustment Procedures

    ADJUST- ADJUSTM ENT M ENTS PROCEDURES Power System Menu Menu Select Channel 2 Display On/Off Channel 1 Menu Menu Calibration Select ± LOG/TEMP CORRECTION ± ± 56100A M M...
  • Page 37 ADJUSTM ENT ADJUST- PROCEDURES M ENTS A1R62 A1R64 A1R39 (A2R62) (A2R64) (A2R39) A1/A2 PCB ± Cursor Measurements On/Off ± 56100A M M...
  • Page 38 ADJUST- ADJUSTM ENT M ENTS PROCEDURES Channel 1 Menu Menu Select Menu Select Cursor Measurements On/Off ±0 Channel 1 Menu Menu Select Menu Select Calibration Menu Select 56100A M M...
  • Page 39 ADJUSTM ENT ADJUST- PROCEDURES M ENTS CURSOR dB Number DC Voltage Reading –1.462V +16, 0.25; 0.10 Smooth- –0.6208V 9, 0.12; –0.10 –26, ±0.34 –1.313 mV Channel 1 Menu Menu Select Menu Select SWEEP RAMP AMPLIFIER GAIN ADJUSTMENT Horizontal Input/Output ≈ 56100 M M...
  • Page 40 ADJUST- ADJUSTM ENT M ENTS PROCEDURES CRT MONITOR ADJUSTMENTS INTENSITY 56100A M M...
  • Page 41 ADJUSTM ENT ADJUST- PROCEDURES M ENTS 56100 M M 3-9/3-10...
  • Page 42: Chapter 4 Troubleshooting

    Chapter 4 Troubleshooting...
  • Page 43 Hold and Plotter Memory Test Result Top Averaging U36 RAM Failure A7 CPU PCB Bottom Averaging U30 EPROM Checksum A7 CPU PCB Top Smoothing U31 EPROM Checksum A7 CPU PCB Bottom Smoothing U32 EPROM Checksum A7 CPU PCB 56100A M M...
  • Page 44: Troubleshooting Procedures

    Self Test 56100A should start swept trace display, if connected to frequency source. 56100A Text and Graphics processor should display short message indicating possible faults. “Intellegent” sweepers only (ANRITSU 6600 series, or equivalent); all others ignore this step. Sweep time of frequency source should be less than 2 seconds, maximum.
  • Page 45 TROUBLESHOOTI NG TROUBLESHOOTI NG PROCEDURES 56100A M M...
  • Page 46 TROUBLESHOOTI NG TROUBLESHOOTI NG PROCEDURES 56100A M M...
  • Page 47 TROUBLESHOOTI NG TROUBLESHOOTI NG PROCEDURES 56100A M M...
  • Page 48 TROUBLESHOOTI NG TROUBLESHOOTI NG PROCEDURES 56100A M M...
  • Page 49: Chapter 5 Functional Description

    Chapter 5 Functional Description...
  • Page 51 56100A M M...
  • Page 52 Chapter 5 Functional Description INTRODUCTION OVERVIEW OF 56100A OPERATION 56100A M M...
  • Page 53 56100A M AJOR FUNCTI ONAL FUNCTI ONAL BLOCKS DESCRI PTI ON 56100A M M...
  • Page 54: Functi Onal Blocks

    FUNCTI ONAL 56100A M AJOR DESCRI PTI ON FUNCTI ONAL BLOCKS 56100A M M...
  • Page 55 56100A M AJOR FUNCTI ONAL FUNCTI ONAL BLOCKS DESCRI PTI ON 56100A M M...
  • Page 56 FUNCTI ONAL A7 CENTRAL DESCRI PTI ON PROCESSOR PCB A7 CENTRAL PROCESSOR PCB 56100A M M...
  • Page 57 A7 CENTRAL FUNCTI ONAL PROCESSOR PCB DESCRI PTI ON 5-10 56100A M M...
  • Page 58 FUNCTI ONAL A8 GRAPHI CS SYSTEM DESCRI PTI ON PROCESSOR PCB A8 GRAPHICS SYSTEM PROCESSOR PCB 56100A M M 5-11...
  • Page 59 A8 GRAPHI CS SYSTEM FUNCTI ONAL PROCESSOR PCB DESCRI PTI ON 5-12 56100A M M...
  • Page 60 FUNCTI ONAL A8 GRAPHI CS SYSTEM DESCRI PTI ON PROCESSOR PCB draw line write text 56100A M M 5-13...
  • Page 61 A8 GRAPHI CS SYSTEM FUNCTI ONAL PROCESSOR PCB DESCRI PTI ON draw line 5-14 56100A M M...
  • Page 62 FUNCTI ONAL A8 GRAPHI CS SYSTEM DESCRI PTI ON PROCESSOR PCB 56100A M M 5-15...
  • Page 63 A1/A2 SI GNAL CHANNEL FUNCTI ONAL AM PLI FI ER PCB DESCRI PTI ON A1/A2 SIGNAL CHANNEL AMPLIFIER PCB FUNCTIONAL DESCRIPTION 5-16 56100A M M...
  • Page 64 A1/A2 SI GNAL CHANNEL DESCRI PTI ON AM PLI FI ER PCB CHANNEL 1 R109 BIAS CIRCUIT CHANNEL 2 R112 BIAS CIRCUIT INPUT COMMON MODE DRIVE MODULE MEASUREMENT TO FINAL CHANNEL 1 GAIN STAGES MEASUREMENT CHANNEL 2 56100A M M 5-17...
  • Page 65 A1/A2 SI GNAL CHANNEL FUNCTI ONAL AM PLI FI ER PCB DESCRI PTI ON 5-18 56100A M M...
  • Page 66 FUNCTI ONAL A1/A2 SI GNAL CHANNEL DESCRI PTI ON AM PLI FI ER PCB 56100A M M 5-19...
  • Page 67 A1/A2 SI GNAL CHANNEL FUNCTI ONAL AM PLI FI ER PCB DESCRI PTI ON ± RF ON DURING RETRACE RF OFF DURING RETRACE RF OFF DUR- ING RETRACE RF ON DURING RETRACE 5-20 56100A M M...
  • Page 68 FUNCTI ONAL A1/A2 SI GNAL CHANNEL DESCRI PTI ON AM PLI FI ER PCB 56100A M M 5-21...
  • Page 69 A1/A2 SI GNAL FUNCTI ONAL CHANNEL I /F DESCRI PTI ON ± π 5-22 56100A M M...
  • Page 70 FUNCTI ONAL A3 SI GNAL CHANNEL DESCRI PTI ON I NTERFACE PCB A3 SIGNAL CHANNEL INTERFACE PCB FUNCTIONAL DESCRIPTION 56100A M M 5-23...
  • Page 71 A3 SI GNAL FUNCTI ONAL CHANNEL I /F DESCRI PTI ON 5-24 56100A M M...
  • Page 72 FUNCTI ONAL A3 SI GNAL DESCRI PTI ON CHANNEL I /F RIIVHW 56100A M M 5-25...
  • Page 73 A3 SI GNAL FUNCTI ONAL CHANNEL I /F DESCRI PTI ON 5-26 56100A M M...
  • Page 74 FUNCTI ONAL A3 SI GNAL DESCRI PTI ON CHANNEL I /F 56100A M M 5-27...
  • Page 75 A4 SWEEPER FUNCTI ONAL I NTERFACE PCB DESCRI PTI ON A4 SWEEPER INTERFACE PCB FUNCTIONAL DESCRIPTION 5-28 56100A M M...
  • Page 76 FUNCTI ONAL A4 SWEEPER DESCRI PTI ON I NTERFACE PCB 56100A M M 5-29...
  • Page 77 A4 SWEEPER FUNCTI ONAL I NTERFACE PCB DESCRI PTI ON 5-30 56100A M M...
  • Page 78 FUNCTI ONAL A4 SWEEPER DESCRI PTI ON I NTERFACE PCB 56100A M M 5-31...
  • Page 79 A4 SWEEPER FUNCTI ONAL I NTERFACE PCB DESCRI PTI ON 5-32 56100A M M...
  • Page 80 FUNCTI ONAL A4 SWEEPER DESCRI PTI ON I NTERFACE PCB 56100A M M 5-33...
  • Page 81 A4 SWEEPER FUNCTI ONAL I NTERFACE PCB DESCRI PTI ON 5-34 56100A M M...
  • Page 82 FRONT PANEL PCBS SWITCH MATRIX (A1) Y LINES (8) CONTROL KEYS KEY SWITCH PUSH BUTTON ADDRESS DATA CONTROL TO A7 D0-D7 X LINES CENTRAL DECODE CIRCUIT PROCESSOR (A2 PCB) INT A* * Push Button Interrupt Signal 56100A M M 5-35...
  • Page 83 FRONT PANEL ASSEM BLY FUNCTI ONAL A1/A2 FRONT PANEL PCBS DESCRI PTI ON zero 5-36 56100A M M...
  • Page 84 FUNCTI ONAL FRONT PANEL ASSEM BLY DESCRI PTI ON A1/A2 FRONT PANEL PCBS 56100A M M 5-37...
  • Page 85 A9 M OTHER FUNCTI ONAL DESCRI PTI ON A9 MOTHERBOARD PCB FUNCTIONAL DESCRIPTION Connector Cable Destination A2 Front Panel Interface PCB Internal Monitor AUX I/O rear panel connector Dedicated GPB Parallel Printer Rear panel BNC connector Not used 5-38 56100A M M...
  • Page 86 A3 Signal Channel Interface PCB +5V (D1) A4 Sweeper IF PCB A8 GSP PCB A7 CPU PCB Front Panel A2 PCB Note: A1, A2, D1, & D2 in Power Supply column indicate analog and digital voltages 56100A M M 5-39...
  • Page 87 A12 PSU FUNCTI ONAL DESCRI PTI ON ± 5-40 56100A M M...
  • Page 88 FUNCTI ONAL A12 PSU DESCRI PTI ON ± 56100A M M 5-41/5-42...
  • Page 89 AND U10 CHANNEL B Q1,Q2 (SMOOTH FILTER CONTROL) LATCHES LATCHES B FITTED SIGNAL NULL B LOG CONIF DAC CIRCUIT B THERM HIGH Z BUFFER DATA BUS* DATA BUS* DATA BUS* *QUIET DATA BUS FROM A3 PCB 56100A M M 5-43/5-44...
  • Page 90: Chapter 6 Removal And Replacement Procedures

    Chapter 6 Removal and Replacement Procedures...
  • Page 91 Chapter 6 Removal and Replacement Procedures INTRODUCTION 56100A M M...
  • Page 92: Replacement Procedures

    56100A REM OVAL AND COVERS REPLACEM ENT PROCEDURES REMOVE AND REPLACE 56100A COVERS 56100A M M...
  • Page 93 REM OVAL AND 56100A REPLACEM ENT PROCEDURES COVERS Handle Assembly Top Cover Rubber Corner Sheathing Bracket (4) Left Side Cover 56100A M M...
  • Page 94 A1, A2, A3, A4, A7, REM OVAL AND AND A8 PCBs REPLACEM ENT PROCEDURES REMOVE AND REPLACE THE A1, A2, A3, A4, A7, AND A8 PCBs 56100A M M...
  • Page 95 REM OVAL AND A1, A2, A3, A4, A7, REPLACEM ENT PROCEDURES AND A8 PCBs Card Cage Cover A4 PCB A8 PCB A7 PCB A3 PCB A1/A2 PCB 56100A M M...
  • Page 96: Front Panel Assembly

    FRONT PANEL REM OVAL AND ASSEM BLY REPLACEM ENT PROCEDURES REMOVE AND REPLACE THE FRONT PANEL ASSEMBLY 56100A M M...
  • Page 97 REM OVAL AND FRONT PANEL REPLACEM ENT PROCEDURES ASSEM BLY Front Panel Assembly Bezel Ribbon Cable Corner Connector Bracket 56100A M M...
  • Page 98 A2 PCB REM OVAL AND REPLACEM ENT PROCEDURES REMOVE AND REPLACE THE A1/A2 PCB REMOVE AND REPLACE THE FRONT PANEL KEY SWITCH MEMBRANE 6-10 56100A M M...
  • Page 99 A2 Front Panel moved either when the front panel is con- Assembly nected to the unit or after it is removed. Switch Membrane A5 PCB DETAIL A Assembly Peel away REMOVE AND REPLACE THE A5 PCB 56100A M M 6-11...
  • Page 100: Power Supply Assembly

    POWER SUPPLY REM OVAL AND ASSEM BLY REPLACEM ENT PROCEDURES REMOVE AND REPLACE THE POWER SUPPLY ASSEMBLY CONNECTOR PIN WIRE COLOR White Brown Purple Pink Blue Brown 6-12 56100A M M...
  • Page 101 REM OVAL AND POWER SUPPLY REPLACEM ENT PROCEDURES ASSEM BLY Line Power Input Connector Nuts Securing Transformer Remove these screws Bottom View of Power Supply Assembly 56100A M M 6-13...
  • Page 102: Crt M Oni Tor Assem Bly

    CRT M ONI TOR REM OVAL AND ASSEM BLY REPLACEM ENT PROCEDURES REMOVE AND REPLACE THE CRT MONITOR ASSEMBLY Bottom of CTR Monitor Assembly Remove these screws 6-14 56100A M M...
  • Page 103 REM OVAL AND REAR PANEL REPLACEM ENT PROCEDURES ASSEM BLY REMOVE AND REPLACE THE REAR PANEL ASSEMBLY 56100A M M 6-15...
  • Page 104 REM OVAL AND ASSEM BLY REPLACEM ENT PROCEDURES Pink Violet White Long Blue Short Brown Detail A Brown Short Green/ Blue Yellow Detail A Back (wiring) side of In put Module Side Screw (2) Bottom Screw 6-16 56100A M M...
  • Page 105 REM OVAL AND COOLI NG FAN REPLACEM ENT PROCEDURES ASSEM BLY REMOVE AND REPLACE THE COOLING FAN ASSEMBLY • • • Fan Guard Screw (4) 56100A M M 6-17/6-18...
  • Page 106 Appendix A RF Detector Diode Replacement Procedures...
  • Page 107 Appendix A RF Detector Diode Replacement Procedures RF DETECTOR DIODE REPLACEMENT PROCEDURES 56100A M M...
  • Page 108 DETECTOR DI ODE REPLACEM ENT M ODEL 5400-71B75 RF DETECTOR APPENDI X A REPLACEMENT OF DETECTOR DIODE FOR MODEL 5400-71B75 RF DETECTOR DIODE CATHODE END Ω × 56100A M M...
  • Page 109 DETECTOR DI ODE REPLACEM ENT APPENDI X A M ODEL 5400-71B75 RF DETECTOR WILTRON 10 - 88 5400 - 71B75 DETECTOR DIODE K______________ R _____________ 56100A M M...
  • Page 110 A1 PCB MODULE LEAD RECEPTACLES (3) MODULE RETAINER DETECTOR DIODE MODULE HOUSING *SHIM TYPE N CONNECTOR GPC-7 CONNECTOR THE DETECTOR MAY OR MAY NOT INCLUDE THIS SHIM. THE SHIM IS ADDED DURING MANUFACTURE AS W SMA NEEDED. 56100A M M...
  • Page 111 DI ODE M ODULE REPLACEM ENT APPENDI X A SERI ES 560-7XXX RF DETECTORS Ω × 560-C-24441 to 20 GHz 560-A-7219A to 26.5 GHz WILTRON 560-A-7219A DETECTOR DIODE K______________ ___________ 56100A M M...
  • Page 112 DI ODE M ODULE REPLACEM ENT SERI ES 560-7XXX RF DETECTORS APPENDI X A 56100A M M...
  • Page 113 I ndex Number 56100A M M Index 1...
  • Page 114 SUBJECT I NDEX Index 2 56100A M M...
  • Page 115 SUBJECT I NDEX 56100A M M Index 3/Index 4...

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