Tektronix AWG7000B Series

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Theory of Operation

Figure 2-2: AWG7000B Series block diagram

AWG7000B and AWG7000C Series Service Manual 2–3

Main Page

Table of Contents7
General Safety Summary12
Service Safety Summary14
Environmental Considerations15
Preface17
Manual Conventions17
Operating Information19
Theory of Operation23
Overview25
Figure 2-1: AWG7000C Series Block Diagram26
Figure 2-2: AWG7000B Series Block Diagram27
Module Overviews28
Adjustment Procedures33
Adjustment Interval35
Adjustment after Repair35
Table 3-1: Adjustments Required for Module Replaced35
Required Equipment36
Adjustment Overview36
Table 3-2: Test Equipment36
Figure 3-1: Awgservice UI Window37
Calibration Procedure39
Figure 3-2: 10 Mhz Reference Calibration Initial Test Hookup39
Figure 3-3: 10 Mhz Reference Calibration Setup Window40
Figure 3-4: Inter-Channel Skew Calibration Initial Hookup42
Figure 3-5: Inter-Channel Skew Calibration Setup Window43
Figure 3-6: Interleave Calibration Initial Hookup46
Figure 3-7: Interleave Calibration Window47
Figure 3-8: Magic Timing Margin Check Hookup50
Figure 3-9: Magic Timing Check Dialog Box50
Figure 3-10: Example of Good Margin and Proper Timing51
Figure 3-11: Example of Bad Waveform in Magic Timing Margin Check51
Maintenance53
Preparation55
Preventing ESD55
Inspection and Cleaning56
Table 4-1: External Inspection Checklist57
Table 4-2: Internal Inspection Checklist59
Removal and Installation Procedures60
Preparation60
Summary of Procedures61
Figure 4-1: Disassembly Procedures for External Modules and Internal Modules (Top)61
Required Equipment62
Figure 4-2: Disassembly Procedures for Internal Modules (Bottom)62
Table 4-3: Tools Required for Module Removal and Reinstall62
Disconnecting and Connecting the SMP Cable63
Figure 4-3: Disconnecting and Connecting the SMP Cable63
Procedures for External Modules64
Figure 4-4: Handle, Snaps, Cosmetic Covers, and Front-Trim Unit Removal65
Figure 4-5: EMI Cover Removal68
Figure 4-6: Fan Tray Unit Removal70
Figure 4-7: Disassembly of Front-Panel Assembly (AWG7000C Series)72
Figure 4-8: Disassembly of Front-Panel Assembly (AWG7000B Series)74
Procedures for Internal Modules (Upper) (AWG7000C Series)75
Figure 4-9: Drive Module Removal (AWG7000C Series)76
Figure 4-10: Multi-Input/Output Board Removal (AWG7000C Series)77
Figure 4-11: Processor Module Removal (AWG7000C Series)79
Figure 4-12: Power Supply and RFI Filter Removal (AWG7000C Series)81
Figure 4-13: Power Board Removal (AWG7000C Series)82
Procedures for Internal Modules (Upper) (AWG7000B Series)83
Figure 4-14: Drive Module Removal (AWG7000B Series)84
Figure 4-15: Multi-Input/Output and Display Adapter Board Removal (AWG7000B Series)86
Figure 4-16: Processor Module Removal (AWG7000B Series)89
Figure 4-17: Power Supply and RFI Filter Removal (AWG7000B Series)91
Figure 4-18: Power Board Removal (AWG7000B Series)92
Procedures for Internal Modules (Lower)93
Figure 4-19: Front Connector Board, CLK12G Module, Relay Unit, and AWG12G Board Removal94
Figure 4-20: Disassembly of the CLK12G Module96
Figure 4-21: Relay Unit Cable Connection for Option 0297
Figure 4-22: Relay Unit Cable Connection for Option 0698
Figure 4-23: Cable Ties99
Figure 4-24: Tie Mount Clip99
Troubleshooting106
Required Equipment106
Fault Isolation Procedure106
Figure 4-25: Primary Troubleshooting Tree (1)107
Figure 4-26: Primary Troubleshooting Tree (2)108
Table 4-4: Power Supply Voltages109
Table 4-5: PWR Board Voltages110
Instrument Diagnostics111
Table 4-6: Diagnostics Error Codes112
Calibration Error118
Table 4-7: Calibration Error Codes118
Hardware Error127
Table 4-8: Hardware Error Codes127
After Repair129
Returning the Instrument for Service129
Replaceable Parts131
Parts Ordering Information133
Using the Replaceable Parts List134
Table 5-1: Replaceable Parts List - Cosmetics135
Table 5-2: Replaceable Parts List - EMI Covers137
Table 5-3: Replaceable Parts List - AWG7000C Series Chassis Assembly138
Table 5-4: Replaceable Parts List - AWG7000B Series Chassis Assembly139
Table 5-5: Replaceable Parts List - AWG7000C Series Front-Panel Assembly140
Table 5-6: Replaceable Parts List - AWG7000B Series Front-Panel Assembly142
Table 5-7: Replaceable Parts List - AWG7000C Series Drive Modules144
Table 5-8: Replaceable Parts List - AWG7000B Series Drive Module146
Table 5-9: Replaceable Parts List - AWG7000C Series Processor Module148
Table 5-10: Replaceable Parts List - AWG7000B Series Processor Module150
Table 5-11: Replaceable Parts List - AWG7000C Series Power Supply Assembly152
Table 5-12: Replaceable Parts List - AWG7000B Series Power Supply Assembly154
Table 5-13: Replaceable Parts List - AWG7000C Series Pci/Power Interface Module156
Table 5-14: Replaceable Parts List - AWG7000B Series Pci/Power Interface Module158
Table 5-15: Replaceable Parts List - Fan Tray Assembly160
Table 5-16: Replaceable Parts List - USB Module161
Table 5-17: Replaceable Parts List - AWG12G/CLK12G/OUT10G Modules162
Table 5-18: Replaceable Parts List - CLK12G Module165
Table 5-19: Replaceable Parts List - AWG12G Module167
Table 5-20: Replaceable Parts List - SMA Bracket169
Table 5-21: Replaceable Parts List - Relay Unit171
Table 5-22: Replaceable Parts List - Rear Connectors173

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