Tektronix TLA5202

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Theory of Operation

3-4

TLA5000 Series Service Manual

Internal Indicator LEDs

The logic analyzer has two internal indicator LEDs located on the PC Interface

board. These LEDs can be used for troubleshooting:

H Ready Indicator. This LED indicates that the instrument has passed the

power-up diagnostics and is ready to communicate with the acquisition

controller.

H Access Indicator. This LED turns on any time the acquisition controller

accesses the main instrument circuitry.

Main Page

Table of Contents6
General Safety Summary14
Service Safety Summary16
Preface18
Manual Structure18
Manual Conventions18
Related Documentation19
Table I: Tektronix Logic Analyzer Family Documentation19
Contacting Tektronix20
Introduction22
TLA5000 Series Logic Analyzers23
Figure I: TLA5000 Series Logic Analyzers23
Table II: TLA5000 Series Family23
Adjustment and Certification Interval24
Strategy for Servicing24
Service Offerings24
Specifications26
Operating Information28
Installation28
Before You Start28
Connect the Accessories29
Figure 2- 1: Location of the Ground Connection29
Figure 2- 2: TLA5000 Series Accessory Connections30
Connecting Probes31
Figure 2- 3: Connecting the Logic Analyzer Probes to the Logic Analyzer31
Power on the Logic Analyzer32
Powering off the Logic Analyzer32
Figure 2- 4: On/Standby and AC Power Switch Locations32
Checking the P64Xx Logic Analyzer Probes (Optional)33
Software Installation33
Operating Information34
Connecting Probes to the Target System34
Additional Information34
Figure 2- 5: Controls and Connectors on the Front Panel34
Theory of Operation36
Hardware36
General36
Mother Board36
Interface Board36
Power Supply37
Fans37
Front Panel Keypad and Knobs37
Display37
Hard Disk Drive37
Floppy Disk Drive37
CD Drive38
USB 2.0 Ports38
Software38
Probe Interface38
Acquisition38
Internal Indicator Leds39
Performance Verification40
Summary Verification40
Figure 4- 1: Calibration/Certification Procedure Flow Chart41
Test Equipment42
Test Equipment Setup42
Connecting the Test Fixture43
Installing the Performance Verification and Adjustment Software43
Starting the Performance Verification Software44
Figure 4- 2: Performance Verification Software Startup Window44
Software Overview45
Obtaining Test Results45
Troubleshooting45
Functional Verification46
Test Equipment46
Setup46
Self Tests and Power-On Diagnostics46
Extended Diagnostics47
Mainframe Diagnostics47
Performance Verification Instructions48
Prerequisites48
Procedure Overview48
Table 4- 2: Performance Verification Tests49
Performance Verification Procedures50
Module+Probe Gain & Offset Procedures50
Module+Probe Timing Procedures50
Table 4- 3: TLA5000 Performance Verification Procedures50
Figure 4- 3: TLACAL1 Test Fixture Connections51
Figure 4- 4: Default Verification Dialog Box52
Figure 4- 5: Module+Probe Timing Procedure Probe Connections55
Setup and Hold Procedure56
Figure 4- 6: P6419 Setup & Hold Procedure Connections57
Logic Analyzer Certification58
Equipment Setups58
Table 4- 4: Logic Analyzer Certification Test58
Start the Software59
Figure 4- 7: Default Certification Procedure Dialog Box59
Adjustment Procedures62
Test Equipment and Initial Setup62
Prerequisites62
Using the Software63
Performing the Adjustments63
Adjustment after Repair63
Tests Performed63
Self Calibration63
Table 5- 1: Logic Analyzer Adjustment Procedures63
Figure 5- 1: TLACAL2 Test Fixture Connections65
Module+Probe Timing Procedures66
Equipment Setups66
Start the Software66
Figure 5- 2: Performance Verification Software Startup Window66
Figure 5- 3: Default Adjustment Procedure Dialog Box67
Figure 5- 4: Deskew Procedure Probe Connections68
Completing the Adjustment Steps69
Preventing ESD70
Inspection and Cleaning71
Interior Cleaning71
Exterior Cleaning71
Flat Panel Display Cleaning72
Removal and Installation Procedures74
Preparation74
General Instructions74
Equipment Required75
Accessories Pouch75
Table 6- 1: Tools Required for Module Removal75
Trim and Covers76
Figure 6- 1: Trim and Covers78
Right-Side Cover79
Figure 6- 2: Right-Side Cover Removal79
Bottom Covers80
Figure 6- 3: Bottom Cover Removal81
Adding Memory82
Battery82
Figure 6- 4: Memory Board and Battery Location82
Locator Diagram83
Figure 6- 5: Locator Diagram83
Floppy Disk Drive84
Figure 6- 6: Floppy Disk Drive Removal84
Hard Disk Drive85
CD Drive85
Display86
Display Adapter Board87
Figure 6- 7: Flat Panel Display Assembly Removal87
Standby/On Switch Flex Circuit88
Figure 6- 8: Display Adapter Board Removal88
Front-Panel Knobs89
Figure 6- 9: Knob Removal89
Front Panel Assembly90
Figure 6- 10: Front Panel Assembly Removal91
Front Panel Board92
Figure 6- 11: JR1 Flex Cable Connector Removal92
Front Panel Keypad93
Figure 6- 12: Front Panel Board & Keyboard Removal93
Fans94
Power Supply95
Figure 6- 13: Fan Fastener Removal95
Interface Board and Mother Board Cable Connections97
Mother Board98
Interface Board100
Replacing the Acquisition Board102
Daughter Boards104
Verifying Operation104
Troubleshooting106
Service Level106
Check for Common Problems107
Table 6- 2: Failure Symptoms and Possible Causes107
Diagnostics108
Power on Diagnostics108
Extended Diagnostics108
Mainframe Diagnostics109
Checkit Utilities109
Table 6- 3: BIOS Error Messages109
BIOS Beep Codes111
Table 6- 4: Beep Codes111
Restoring or Reinstalling Software112
Setting up the TLA5000 Controller BIOS112
Table 6- 5: TLA User File Suffixes113
Table 6- -6: BIOS Boot Settings for Reinstalling Software from the114

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