Tektronix CSA 803C Manuals

Manuals and User Guides for Tektronix CSA 803C. We have 1 Tektronix CSA 803C manual available for free PDF download: Service Manual

Tektronix CSA 803C Service Manual (280 pages)

Communications Signal Analyzer

Brand: Tektronix | Category: Measuring Instruments | Size: 2 MB

Table of Contents
10
Table 1 1: Measurement Limits, Specifications, Adjustments, and Functional Tests
27
Figure 2 1: Sampling Head Compartments in the CSA 803C Communications Signal Analyzer
32
Figure 2 2: Power Cord Plug Identification
35
Table 2 1: Power Cord Conductor Identification
35
Address Latch
45
Function Decoder
45
Internal Clock Rate Generator
45
Data Buffers
45
Block Diagram Descriptions
45
A1 M/F Strobe Drive Board
45
Control Buffer
46
Voltage Fault Detect
46
A3 M/F Power Connect Board
46
A4 Regulator Board
46
A5 Time Base/Controller Board
46
Microprocessor
47
RAM/ROM Memory
47
Trigger
47
Figure 3 1: Trigger Edge Slew Rate for High Frequency Selection
48
Time Base
49
Acquisition System Interface
49
Red, Green, and Blue Video Amplifiers
50
Red, Green, and Blue Adjustments
50
Convergence Adjustment
50
Memory Management Unit (MMU) Interface
50
A7 CRT Socket Board
50
Horizontal Sweep
51
Vertical Sweep
51
High Voltage and Grid Voltage Generator
51
A8 CRT Driver Board
51
Touch Panel, Major Menu Keys, and Menu Status Leds
52
Degauss
52
Grid Bias
52
Beam Current Limit
52
A9, A10, and A11 Front Panel Boards
52
A9 Touch Panel Assembly
53
A10 Front Panel Control Board
53
A11 Front Panel Button Board
53
GPIB Data and Address Bus
54
A12 Rear Panel Assembly
54
Standard RS 232 C Controller
55
Printer Port
55
I/O Data Buffer
56
A13 Mother Board
56
A14 Input/Output (I/O) Board
56
I/O Delayed Data Buffer
57
Timer Configuration
57
Real Time Clock
57
Serial Data Interface (SDI)
57
Tone Generator
57
Temp/Tone Readback Buffer
57
Display Interface
58
A15 Memory Management Unit (MMU) Board
58
Waveform RAM
58
Mmu IC
58
Time Base/Controller Interface 3
59
Executive Processor (EXP) Interface
59
Display IC
59
Microprocessor
59
Bit Map RAM
59
Executive Processor (EXP)
60
Video Digital to Analog Converter (DAC)
60
Waveform Display RAM
60
A17 Executive Processor Board
60
Numeric Coprocessor
61
Bus Controller
61
Reset
61
Wait State
61
Interrupt Controllers
61
DMA Controller
61
Address Decode and Memory Select
62
Address Latches
62
A18 Memory Board
62
Eproms, SRAM, and NVRAM
63
Memory Data Buffers
63
Wait State Generator
63
Wait State Diagnostics
63
Memory Configuration Readback
63
Battery Backup
64
TDR Buffer and Level Shift
64
Strobe Sense Select
64
Strobe Deskew
64
A19 Strobe/Tdr Buffer Board
64
A20/A21 Head Interconnect (Power Only) Boards
65
A22/A23 Head Interconnect Boards
65
A26 M/F Acquisition Interconnect Board
65
Programmable Gain Amplifiers
66
A/D Converters
66
Measurement Hardware
66
A27 & A28 Acquisition System Boards
66
Time Base/Controller Interface
67
Shared RAM
67
Timing and Sampling Head Control
67
Performance Verification
69
Table 4 1: Measurement Limits, Specifications, and Functional Tests
69
Test Equipment
71
Table 4 2: Test Equipment
71
Test Record
74
Using These Procedures
79
Conventions in this Manual
79
Menu Selections and Measurement Techniques
79
User Manual
79
Performance Tests
81
Power on Diagnostics
82
Setup to Invoke Power on Diagnostics
82
Procedure to Invoke Power on Diagnostics
82
Diagnostics
83
Self Test Diagnostics
83
Power on Diagnostics Complete
84
Sampling Heads
85
Setup to Calibrate a Sampling Head
85
Procedure to Calibrate a Sampling Head
85
Extended Diagnostics
87
Setup to Invoke Extended Diagnostics
87
Procedure to Invoke Extended Diagnostics
87
Vertical Reference Voltage
89
Specifications
89
Setup to Check Vertical Reference Voltage
89
Procedure to Check Vertical Reference Voltage
89
Figure 4 1: A26 M/F Acquisition Interconnect Board Test Point
90
Horizontal Reference Clock
91
Specifications
91
Setup to Check Horizontal Reference Clock
91
Procedure to Check Horizontal Reference Clock
91
Figure 4 2: A5 Time Base/Controller Board Test Point Locations
92
Vertical Accuracy
93
Setup to Check Vertical Gain
93
Procedure to Check Vertical Gain
93
Table 4 3: Voltage Source Settings
95
Setup to Check Offset Accuracy
96
Procedure to Check Offset Accuracy
96
Table 4 4: Vertical Offset Test Values
98
System Vertical RMS Noise
99
Setup to Examine Vertical RMS Noise
99
Procedure to Examine Vertical RMS Noise
99
Table 4 5: Sensitivity Settings
101
Sweep Rate Accuracy
102
Setup to Examine Sweep Rate Accuracy
102
Procedure to Examine Sweep Rate Accuracy
102
Sweep Rate Accuracy 2 Ns/DIV
103
Sweep Rate Accuracy 1 Ns/DIV
104
Sweep Rate Accuracy 100 Ps/DIV
104
Sweep Rate Accuracy 10 Ps/DIV
104
Sweep Rate Accuracy 1 Ps/DIV
105
Triggering, External Direct
107
- Specifications
  107
- Setup to Check Prescaler Triggering
  107
- Procedure to Check Prescaler Triggering
  107
Prescaler Triggering
109
- Specifications
  109
- Setup to Check Prescaler Triggering
  109
- Procedure to Check Prescaler Triggering
  109
- Table 4 6: Prescaler Test Settings
  110
Internal Clock
111
- Measurement Limits
  111
- Setup to Examine Internal Clock
  111
- Procedure to Examine Internal Clock
  111
Calibrator Output
113
- Measurement Limits
  113
- Setup to Examine Calibrator
  113
- Procedure to Examine Calibrator
  113
- Table 5 1: Measurement Limits and Adjustments
  116
Table 5 2: Test Equipment
117
Test Equipment
117
Using These Procedures
120
- Conventions in this Manual
  120
- Menu Selections and Measurement Techniques
  120
- User Manual
  120
Power Supply
121
Display
127
Measurement Limits
134
Real Time Clock
134
Preventive Maintenance
137
- Removing the Cabinet Panel
  137
- Cleaning the Instrument
  138
  - Exterior
    138
  - Crt
    138
  - Interior
    139
- Visual Inspection
  139
- Periodic Electrical Adjustment
  139
Corrective Maintenance
141
Diagnostic Troubleshooting
215
Other Troubleshooting
237

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Tektronix CSA 803C Service Manual (280 pages)

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