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WFM601
Tektronix WFM601 Manuals
Manuals and User Guides for Tektronix WFM601. We have
2
Tektronix WFM601 manuals available for free PDF download: Service Manual, User Manual
Tektronix WFM601 Service Manual (304 pages)
Serial Digital Component
Brand:
Tektronix
| Category:
Monitor
| Size: 5 MB
Table of Contents
Service Manual
1
Safety Standards
6
Operating Information
7
Specifications
7
Theory of Operation
7
Table of Contents
8
Revised Nov
10
List of Figures
11
Safety Summary
15
Power Source
15
Performance Verification
18
Specification
20
Characteristics Tables
22
Table 1-8: Analog Audio Mode
27
Table 1-9: Component Vector Mode
27
Installation
33
Figure 2-1: Dimensions of the 1700F00 Plain Cabinet
34
Mechanical Installation
34
Figure 2-2: 1700F02 Portable Cabinet
35
Figure 2-3: Rear View Showing the Securing Screws
36
Figure 2-4: the 1700F05 Side-By-Side Rack Adapter
37
Figure 2-5: a 1700F05 with a Blank Front Panel (1700F06)
37
Figure 2-6: 1700F05 Rack Mounting with a 1700F07 Utility Drawer
38
Figure 2-7: Custom Installation of an Instrument
39
Electrical Installation
39
Table 2-1: Power Cord Options
40
Rear Panel Connectors
40
Figure 2-8: Rear-Panel Connectors
41
Figure 2-9: Rear-Panel REMOTE Connector
42
Table 2-2: Remote Connector
42
Figure 2-10: Rear-Panel RS232 Connector
44
Figure 2-11: Hookup for 9-Pin PC Connector
46
Procedure for Loading Software
46
Figure 2-12: Alternate Hookup for 9-Pin PC Connector
47
Figure 2-13: Wiring Adapter for PC with 25-Pin Connector
47
Operating Instructions
51
Figure 2-14: WFM 601 Front Panel
52
Figure 2-15: the CRT Menu, with the Bezel Controls and Buttons
53
General Menu Information
53
Functional Overview
54
Table 2-3: the Available Display Modes
54
Block Diagrams
58
Figure 3-1: Power Supply Block Diagram
58
Block Diagram 1 Input and Waveform Monitor
59
Block Diagram 2 Component
61
Block Diagram 3 Microprocessor and Line Rate Controller
62
Circuit Theory
64
Diagram 3 Coprocessor
65
Diagram 4 Clocks, Power, & Interconnects
67
Diagram 5 y Delay, Half-Band Filter, & DAC
68
Diagram 8 Transcoders & Picture Monitor Outputs
69
Displaying a Signal
56
Table 3-1: Transcoder Signal Mixing
70
Diagram 9 Lightning, Vector, & Bowtie Switching
72
Table 3-2: Component Display Output Switching
72
Diagram 10 Control & Daculator
73
Diagram 11 Vertical Input
74
Diagram 12 Vertical Output
75
Diagram 13 Horizontal
76
Diagram 14 Microprocessor
77
Diagram 15 Dynamic Control
78
Diagram 16 Readout
79
Diagram 17 Dacs & Serial
80
Diagram 18 Remote & Digital Bus Connectors
80
Diagram 19 Z-Axis & Control
81
Diagram 20 Front Panel
82
Diagram 21 Low Voltage Power Supply
82
Diagram 22 High Voltage Power Supply
85
Performance Verification
89
Recommended Equipment List
89
Calibration Data Report
92
Figure 4-1: Audio Cable Adapter
92
Verification Procedure
95
Figure 4-2: Timing Cursor Check
100
Figure 4-3: HF Bowtie Magnified to Measure Null Offset
103
Table 4-1: Audio Values
104
Adjustment Procedures
112
Adjustment Procedure
112
Recommended Equipment List
112
Figure 5-1: Jumper Cable Adapter
114
Figure 5-2: Audio Cable Adapter
114
Figure 5-3: RS232 Cable Hookups for 9-Pin PC Connector
115
Figure 5-4: RS232 Cable Hookups for 25-Pin PC Connector
116
Getting Started
117
Functional Description of PC Display
118
Figure 5-5: Typical Adjustment Procedures PC Screen Display
118
Circuit Board Adjustment Locations
120
Figure 5-6: A1 Power Supply Board
120
Figure 5-7: A3 Main Board
121
Figure 5-8: A5 Deserializer Board
121
Figure 5-9: A7 Component Board
121
Waveform Illustrations
122
Figure 5-10: A8 DAC Board
122
Figure 5-11: Graticule Horizontal Center Marks
122
Figure 5-12: Adjusting Post Readout and Gain
123
Figure 5-13: Adjusting the Vertical Interval Blanking Level Offset
123
Figure 5-14: Gamut Limit Pulses
124
Figure 5-15: Checking the On-Screen Frequency Response
124
Figure 5-16: Adjusting the Bowtie Display
125
Figure 5-17: Adjusting the Lightning Display Electronic Graticule
125
Figure 5-18: Adjusting Diamond Display Phase
126
Figure 5-19: Adjusting the Position of the Audio Graticule
126
TSG422 Signal Illustrations
127
Figure 5-20: 100% Color Bars with Level Reference
127
Figure 5-21: 100% Color Bars Without Level Reference Signal
128
Figure 5-22: 2.5 Mhz Bowtie Signal
128
Figure 5-23: 5-Step Staircase Signal
129
Figure 5-24: Oversized Ramp Signal
129
Figure 5-25: Limit Ramp Signal
130
Figure 5-26: Shallow Ramp Signal
130
Figure 5-27: 100% Line Sweep Signal
131
Figure 5-28: Multiburst Signal
131
Maintenance
133
Service Options
133
Preventive Maintenance
133
Table 6-1: Static Susceptibility
135
Corrective Maintenance
137
Specific Troubleshooting Techniques
138
Figure 6-1: Location of Line Fuse on Power Supply Board
138
Table 6-2: Power Supply Fault Symptoms
139
Table 6-3: Low Volts Supply Voltages
140
Table 6-4: Control Circuit Test Points
142
Table 6-5: Shut down Logic Levels
143
Table 6-6: High Volts Supply Fault Symptoms
144
Tektronix Service Offerings
145
Table 6-7: High Voltage Oscillator Test Points
145
Table 6-8: WFM 601 Replacement Circuit Boards
147
Etched Circuit Boards
149
Mechanical Diassembly/Assembly
151
Table 6-9: Main Board Plug Connections
159
Repackaging
166
Options
170
Orderable Options
170
Applicable Options
170
Power Cord Options
170
Table 7-1: Power Plugs Available for These Instruments
170
Cabinets
171
Plain Cabinet (1700F00)
171
Carrying Case (1700F02)
172
Side-By-Side Rack Adapter (1700F05)
173
Blank Panel (1700F06)
173
Utility Drawer (1700F07)
174
Ordering
174
Using the Replaceable Mechanical Parts List
276
Major Features
294
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Tektronix WFM601 User Manual (119 pages)
Serial Digital Component
Brand:
Tektronix
| Category:
Monitor
| Size: 1 MB
Table of Contents
User Manual
1
Getting Started
7
Operating Basics
7
Table of Contents
8
List of Figures
9
Safety Summary
13
Power Source
14
Manual Overview
15
Product Description
19
More Information
20
Accessories
21
Field Upgrade Kits
22
Installation
23
Figure 1-1: Dimensions of the 1700F00 Plain Cabinet
24
Mechanical Installation
24
Figure 1-2: 1700F02 Portable Cabinet
25
Figure 1-3: Rear View of the Instrument, Showing the Securing Screws
26
Figure 1-4: the 1700F05 Side-By-Side Rack Adaptor
27
Figure 1-5: Instrument in a 1700F05 with a Blank Front-Panel (1700F06)
27
Electrical Installation
29
Figure 1-7: Considerations for Custom Installation of an Instrument
29
Required Equipment
31
Initial Equipment Connections
32
Figure 1-8: Channel 1 of the SMPTE Color Bar Signal on the WFM601
33
Figure 1-9: Parade Display of y and PB
34
Figure 1-10: Parade Display of Y, PB, and PR
35
Figure 1-11: WFM601 on Screen RGB Display
36
Figure 1-12: WFM601 Calibrator Display
37
Figure 1-13: Calibrator Signal, Gain Cal On, and both Gains Misadjusted
38
Figure 1-14: One Field Display of CH 1 (Y) Signal
39
Figure 1-15: Two Field Display of CH 1 (Y) Signal
39
Figure 1-16: Two Line Magnified Display
40
Figure 1-17: a Two-Line Differentiated Step Display
41
Figure 1-18: Two Field Line Select Display with Line Number 150 Selected
42
Figure 1-19: Line Select, 15-Line Display; Lines150-164 Displayed
42
Figure 1-20: Vector Color Bar Display with Electronic Graticule
43
Figure 1-21: Picture Monitor Display of the SMPTE Color Bar Signal
44
Figure 1-22: Audio Display with Small Phase Error
45
Figure 1-23: Lightning Display of the Component Color Difference Signals
45
Figure 1-24: Diamond Display
46
Figure 1-25: the Bowtie Display
46
Front Panel Controls and Indicators
49
Figure 2-1: Front Panel for the WFM601 Serial Component Monitor
49
Rear Panel Connectors
51
Figure 2-2: Rear Panel for the WFM601 Monitor
52
Functional Overview
55
Displaying a Signal
56
Using the Menus
57
Figure 2-4: Elements of the WFM601 Menu Driven Selections
58
Table 2-1: EDH CRT Error Reporting
62
Figure 2-6: Parade Display with EAV/SAV Turned on
63
Remote Operation
65
Making a Measurement
69
Figure 3-1: WFM601 Waveform Measurement Graticule
69
Electronic Graticules
71
Figure 3-2: WFM601 Vectorscope Graticule
71
Figure 3-3: Electronic Graticule Used for Evaluating the Lightning Display
72
Figure 3-4: Graticule for the Diamond Display
73
Figure 3-5: Electronic Graticule for Measurement of Stereo Audio Phase
74
Figure 3-7: Construction of the Lightning Waveform
79
Diamond Display
80
Bowtie Display
81
Adjusting Instrument Gain
75
Measurement Theory
77
Lightning Display
78
Figure 3-10: Typical Bowtie Display as Seen on the Tektronix WFM601
82
Appendix A: Specification
85
Table A-1: Waveform Vertical Deflection
86
Table A-2: Serial Digital Interface (Serial a & Serial B)
87
Table A-3: Serial Video Output (Follows Serial A/B Channel Selection)
87
Table A-4: Serial Video Diagnostics (EDH)
88
Table A-5: External Reference
88
Table A-6: Waveform Horizontal Deflection
89
Table A-7: Calibrator
89
Table A-8: Analog Audio Mode
90
Table A-9: Component Vector Mode
90
Table A-10: Lightning Mode
91
Table A-11: Bowtie Mode
91
Table A-12: Picture Monitor Outputs
91
Table A-13: Power Source
92
Table A-14: CRT Display
92
Table A-15: Environmental Characteristics
93
Table A-16: Certification
94
Table A-17: Physical Characteristics
94
Table B 1: Remote Connector Pin Assignments and Functions
95
Rs232 Connector
97
Cleaning or Replacing the Fan Filter
99
Fuse Replacement
99
Graticule Light Replacement
99
Figure C-1: Graticule Light Replacement
100
Cleaning
101
Replacing the Crt Filter
102
Appendix D: Software Version
103
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