Tektronix AWG7000B Series

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5-21: Relay unit

5–40 AWG7000B and AWG7000C Series Service Manual

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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

Tektronix AWG7000B Series - Page 172

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