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Troubleshooting

Table 3-8: Digital interface board LED status indicators (cont.)

LED Status Indication

DS4811 STATUS 1 (normally off)

DS911 +1.2 V OK

Diagnostics

This section describes how to use and interpret the embedded diagnostics interface

for both the Power on self tests (POST) and the extended diagnostics tests. These

tests determine whether there has been a module failure in the instrument.

Power on self tests

The instrument runs Power on self tests automatically every time the instrument is

powered up. If a failure is detected during this process, the instrument displays the

Power-On Self Tests tab of the Diagnostics window to list which module(s) failed.

Select the Diagnostics Failure Info tab in the Diagnostics window for more

information about failures.

3–20 RSA5100B Series Service Manual

Table of Contents3
Important Safety Information6
General Safety Summary6
Service Safety Summary8
Terms in this Manual9
Symbols and Terms on the Product9
Preface11
Manual Content11
Manual Conventions11
Related Documentation12
Theory of Operation13
Figure 1-1: Block Diagram15
General16
Signal Path and Processing16
Display Panel17
Front Panel17
Rear Panel17
Table 1-1: Rear Panel Connectors17
Power Supply18
Fans18
Adjustment Procedures19
Adjustment Procedure21
Running Alignments21
Maintenance23
Preventing ESD25
Inspection and Cleaning25
Table 3-1: External Inspection Checklist26
Table 3-2: Internal Inspection Check List28
Restoring the Instrument Software29
Restore the Operating System29
Get the Latest Software30
Removal and Installation Procedures31
Preparation31
Table 3-3: Tools Required for Module Removal32
Trim, Cabinet, and Module Removal33
Table 3-4: Legend for Accessing Modules Table33
Table 3-5: Accessing Modules33
Figure 3-1: Power Supply and HDD Drive Locations34
Figure 3-2: Main Customer Replaceable Modules35
Removal Procedures36
Troubleshooting40
Service Level41
Check for Common Problems41
Table 3-6: Failure Symptoms and Possible Causes41
Figure 3-3: Status Indicator Locations43
Table 3-7: Power Converter Board LED Status Indicators43
Table 3-8: Digital Interface Board LED Status Indicators43
Diagnostics44
Table 3-9: Hardware Module Diagnostic Error Messages50
Table 3-10: Digital Interface Board Diagnostic Error Messages50
Table 3-11: ADC Board Diagnostic Error Messages51
Table 3-12: DPSA Board Diagnostic Error Messages52
Table 3-13: RF Interface Board Diagnostic Error Messages53
Table 3-14: LO1 Module Diagnostic Error Messages54
Table 3-15: Lo2/Reference Oscillator Diagnostic Error Messages55
Table 3-16: Front Panel Diagnostic Error Messages58
Replaceable Parts59
Parts Ordering Information61
Using the Replaceable Parts List63
Table 4-1: External Parts64
Figure 4-1: External Parts65
Table 4-2: Display and Front Panel66
Figure 4-2: Display and Front Panel67
Table 4-3: Modules68
Figure 4-3: Modules69
Table 4-4: Power Supply and Hard Drives70
Figure 4-4: Power Supply and Hard Drives71
Table 4-5: Upper Deck Fans, Misc. Cables72
Figure 4-5: Upper Deck Fans, Misc. Cables73

Brand	Tektronix
Model	RSA5BUP
Category	Measuring Instruments
Language	English

Tektronix RSA5BUP Service Manual

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