Tektronix AWG2005 712

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712

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Contents

Service Manual AWG2005 Arbitrary Waveform Generator www.tektronix.com Page Page Page Se WG $ WG Modules Safety Table of Contents Theory of Operation Clock Oscillator (A1 Clock Board) Clock Sweep Oscillator (A31 Clock Sweep Board) Sequencer (A2 AWG Board) Waveform Memory (A2 AWG Board) Adjustment Procedures 5;1 Maintenance 6;1 6;2 6;7 Cleaning Procedure<Interior 6;8 6;9 6;10 Electrical Parts List 8,1 Diagrams 9,1 Mechanical Parts List Page List of Figures Figure 6A6:@Line Fuse and Line Cord Removal Figure 6A8:@Front Cover, Trim Ring, and Menu Button Removal Figure 6A11:@Disassembly of FrontApanel Module Figure 6A16:@Rear BNC Connectors Removal Figure 6A17:@Power Supply Module Removal Figure 748:3Waveform Reproduction Circuit Example Page List of Tables Page General Safety Summary Injury Precautions Use Proper Power Cord Avoid Electric Product Damage Precautions Power Source Provide Proper Ventilation Do Not Operate With Suspected Failures Certifications and Compliances CS Certified Power Cords xv Service Safety Summary Do Not Service lone Disconnect Power Use Caution When Servicing the CRT Use Care When xv Introduction Wrrnty Repir Service Repir or Clibrtion Service Self Service Product Description 12 Nominal Traits Page Page Page Table11: Period Jitter (CH1 Marker Out) Clock=20MS/s Clock=10MS/s Table12: Cycle to Cycle Jitter (CH1 Marker Out) Table13: Period Jitter (Clock Out) Page Page 110 Warranted Characteristics Page Page Page Page Page Page 118 Typical Characteristics Certifications and compliances Category Standards or description EMC Communities: Certifications and compliances (cont.) 122 Preparation for Use Operating Temperature Ventilation Requirements Supplying Power WARNING Power Cord Information Figure 2$1:#Optional Power Cords Rear Panel Controls which the AWG25 operates Figure 2!2 shows the rear panel controls for the AWG25 2+3 Fuse Type and Rating Power on Cycle Power off Cycle Memory Backup Power Instructions for Operation User Interface Display Status Area Date & Time Display Error Display Area Button Operation Knob Icon Message rea Bottom Menu Figure 23:Display Features 2"10 Menus Waveform Files SETUP Menu MODE Menu EDIT Menu Waveform Storage and I/O Loading Files Setting Output Parameters Page Operation Mode Settings Triggered Mode Gated Mode Waveform dvance Mode Autostep Mode Slope Polarity (Gated Mode) Level Theory of Operation Clock Oscillator (A1 Clock Board) Clock Sweep Oscillator (A31 Clock Sweep Board) Sequencer (A2 AWG Board) Waveform Memory (A2 AWG Board) Digital(to(Analog Converter (DAC) (A11 D/A Board) Analog Processing (A3/A23 Analog Board) CPU and Memory (A6 CPU Board) GPIB (A6 CPU Board) RS(232(C (A6 CPU Board) Display Monitor Front Panel (A12 Key Board) Floppy Disk Drive Low Voltage Power Supply Fan Option : CH3 and CH4 Output Channels Option 4: Digital Data Out Option 9: Floating Point Processor Before Verification Page Self Tests Page Calibration Page erformance Tests Related Information Equipment Required Performance Check Files Table(4*3:)File List for Performance Check Disk EDIT Menu SETUP Menu No File Name Table.403:/File List for Performance Check Disk (Cont.) No File Name Usage Check Cont Mode Page Check Triggered Mode Page Check Gated Mode Page Check Waveform Advance Mode Page Check utostep Mode Page Check External AM Operation Page Page Check Internal AM Operation Check External ADD Operation Check Internal Add Operation Check Clock Frequency Accuracy Page Check Clock Amplitude Gain ccuracy Check Electrical Characteristic Checked: Main Output, Amplitude, DC Accu9 Page Offset Accuracy Check Electrical Characteristic Checked: Main Output, Offset, Accuracy, on Page Pulse Response Check Electrical Characteristic Checked: Main Output, Pulse Response, on Page MARKER OUT Amplitude Check Electrical Characteristic Checked: Auxiliary Output, MARKER, Ampli8 Page CONTROL SIG OUT Amplitude Check Electrical Characteristic Checked: Auxiliary Output, CONTROL SIG External Trigger Level Accuracy Check Page Page External CLOCK IN Check Electrical Characteristic Checked: Auxiliary Input, CLOCK, Threshold Page Optional Check Master-Slave Operation Check Page DIGITAL DATA OUT Check (Option 04) Electrical Characteristic Checked: Auxiliary Output, DIGITAL DATA Page Page Floating Point Processor Check (Option 09) Equipment Required: None 450 djustments 52 Before Maintenance Precautions Susceptibility to ESD Table3651:4Relative Susceptibility to Static5discharge Damage Semiconductor Classes Relative Susceptibility Levels1 64 Inspection and Cleaning Inspection#Exterior Cleaning Procedure,Exterior Inspection,Interior Cleaning Procedure&Interior Lubrication Removal and Installation Procedures List of Mechanical Parts Geeral Istructios Summary of Procedures Equipmet Required Page AWG25 Orientation Access Procedure Figure 6 :Guide to Removal Procedures Figure 63:Externl Modules 6'14 Figure 6!4: Internal Modules Procedres for Exernal Modles Front#panel Knob Line Fuse and Line Cod Figure 6"6:!Line Fuse and Line Cord Removal Rear Coer and Cabine Page EMI Gaskets Front Cover, Trim Ring, and Menu Buttons Figure 6)8:(Front Cover, Trim Ring, and Menu Button Removal (FrontCover not Shown) 6)23 Fronpanel Modle Page Page Page Procedures for Internal Modules A23 Analog Board or A3 Analog Board (Option 02) Figure 612:A23/A3 Analog Board Removal 630 Connector Module Figure 613:Connector Module Removal 632 Fan and Fan Frame Page Rear Shield Cover Figure 615:Rear Shield Cover Removal 6*36 Rear BNC Connectors Power Spply Modle AUX Power Board and AC Inlet Page Page Monito Module and CRT Fame Page Page Circuit Boards Figure 61:Board Removal c.Grasp the upper part of the A6 CPU board, and pull upward to remove it Page Page Backplane Board Figure 622:A5 Backplane Board Removal 650 Lithium Battery Figure 6#23:"Battery Location on the A Backplane Board 652 Floppy disk Drive Module Figure 624:Floppydisk Drive Module Removal Repackaging 656 Troubleshooting Checking Diagnostics Tests Figure 6":!Primary Troubleshooting Procedure Figure 626:CPU Board 660 Figure 6%27:$Troubleshooting Procedure 1& Power Supply Module Page Figure 6%3:$Troubleshooting Procedure & A6 CPU Board or Front%panel Module Figure 631:Key Bord 664 Figure 6!3: Troubleshooting Procedure 3" Monitor Module Figure 633:Monitor Module Figure 634:Horizontal and Vertical Sync Signals 666 Page Figure 636:Troubleshooting Procedure 4 Module Isolation 668 Options and Accessories Page Page Page Page Page Page Page Option 5 Option 9 Option 1R Option 1S Standard Accessories Optional Accessories Page 712 Electrical Parts List 82 Dgrms 92 A25 A31 A2 AWG A11 D/A A6 CPU 94 A12 Figure 9:Interconnect Diagram 96 Parts Ordering Information Part Number Revision Level Using the Replaceable Mechanical Parts List Abbreviations Chassis Parts Mfr. Code to Manufacturer Cross Index Manufacturers Cross Index Mfr Code Manufacturer Address 104 Figure 11:Cabinet 106 Figure 1!2: Main Chassis and CRT 108 Figure 1"3:!Main Chassis and Circuit Boards 1010 Figure 1"4:!Circuit Boards 1012 Figure 1!5: Front Panel Assembly 1014 Figure 1!6: Option 2 Figure 17:Option 4 1016 Figure 1!8: Option 5 Figure 19:Option 9 1018 Page 1020