Service Manual
AWG2005
Arbitrary Waveform Generator
www.tektronix.com
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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
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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
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List of Tables
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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
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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)
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110
Warranted Characteristics
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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
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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
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Self Tests
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Calibration
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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
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Check Triggered Mode
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Check Gated Mode
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Check Waveform Advance Mode
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Check utostep Mode
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Check External AM Operation
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Check Internal AM Operation
Check External ADD Operation
Check Internal Add Operation
Check Clock Frequency Accuracy
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Check Clock Amplitude
Gain ccuracy Check
Electrical Characteristic Checked: Main Output, Amplitude, DC Accu9
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Offset Accuracy Check
Electrical Characteristic Checked: Main Output, Offset, Accuracy, on
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Pulse Response Check
Electrical Characteristic Checked: Main Output, Pulse Response, on
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MARKER OUT
Amplitude Check
Electrical Characteristic Checked: Auxiliary Output, MARKER, Ampli8
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CONTROL SIG OUT Amplitude Check
Electrical Characteristic Checked: Auxiliary Output, CONTROL SIG
External Trigger Level
Accuracy Check
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External CLOCK IN Check
Electrical Characteristic Checked: Auxiliary Input, CLOCK, Threshold
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Optional Check
Master-Slave
Operation Check
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DIGITAL DATA OUT Check (Option 04)
Electrical Characteristic Checked: Auxiliary Output, DIGITAL DATA
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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
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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
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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
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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
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Rear Shield Cover
Figure 615:Rear Shield Cover Removal
6*36
Rear BNC Connectors
Power Spply Modle
AUX Power Board and AC Inlet
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Monito Module and CRT Fame
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Circuit Boards
Figure 61:Board Removal
c.Grasp the upper part of the A6 CPU board, and pull upward to remove it
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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
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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
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Figure 636:Troubleshooting Procedure 4 Module Isolation
668
Options and Accessories
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Option 5
Option 9
Option 1R
Option 1S
Standard Accessories
Optional Accessories
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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
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