User Manuals: Tektronix 485 Analog Oscilloscope

Manuals and User Guides for Tektronix 485 Analog Oscilloscope. We have 4 Tektronix 485 Analog Oscilloscope manuals available for free PDF download: Instruction Manual, Service Instructions Manual, Operator's Handbook Manual

Tektronix 485 Instruction Manual (197 pages)

Brand: Tektronix | Category: Test Equipment | Size: 43 MB

Table of Contents
2
Specification

4
- Introduction
  4
- Probe Performance
  6
- A and B Triggering
  6
- Horizontal Deflection
  7
- Calibrated Sweep Delay
  7
- Crt
  8
- Calibrator
  9
- Other Characteristics
  9
- Environmental Characteristics
  9
- General
  10
- Preliminary Information
  10
- Controls and Connections
  10
  - Front Panel
    10
  - Rear Panel
    13
  - Bottom Side
    13
Circuit Description

14
- Introduction
  14
- 1 Megohm Buffer a M P Lifie R
  14
- Signal Channel Switch
  15
- Internal Trigger Amplifier
  15
- Main Vertical Amplifier
  15
- Scale Factor Readout
  16
- Vertical Mode Control
  16
- Z Axis
  16
- A Trigger Amplifier
  16
- A E X T Trigger Identify
  16
- A Trigger Generator
  17
- B Trigger Generator
  17
- A and B Sweeps
  17
- Horizontal Amplifier
  18
- Horizontal Control
  18
- Power Inverter/Regulator
  19
- Line Filter
  19
- Line Input Circuit
  19
- Start Network
  20
- Inverter
  20
- Procedure for Converting the 485 to DC Operation
  22
- Low Voltage Supplies
  22
- Power Supply Protection Circuit
  23
  - Stop Monostable
    23
  - Balance Node
    24
  - Overcurrent Protection
    25
  - Low Line Voltage Protection
    25
  - Sampling Period Timer and Overvoltage Protection
    25
- CRT Circuit
  25
  - Filament Voltage
    25
  - High Voltage Supplies
    25
  - Anode Supply
    25
  - Cathode Supply
    25
- Cathode Regulator
  25
  - Grid DC Restorer
    26
  - Focus DC Restorer
    26
  - Beam Current Limit
    27
  - Power Supply Shutdown Caused by Excessive Beam Current
    27
  - CRT Control Circuits
    27
  - Auto Focus Circuit
    27
  - Calibrator
    28
Maintenance

29
- Introduction
  29
- Cleaning
  29
- Lubrication
  30
- Visual Inspection
  31
- Semiconductor Checks
  31
- Recalibration
  31
- Troubleshooting
  31
  - Introduction
    31
  - Troubleshooting Aids
    31
  - Circuit Boards
    31
  - Troubleshooting Equipment
    33
  - Troubleshooting Techniques
    34
  - Special Troubleshooting Information
    35
- Corrective Maintenance
  39
- Obtaining Replacement Parts
  39
- Soldering Techniques
  39
- Component Replacement
  40
- Circuit Board Replacement
  40
  - Timing Board Removal
    40
  - Transformer Board Removal
    41
  - Inverter Board Removal
    42
- Semiconductor Replacement
  42
- A. Circuit-Board Pins
  42
- C. End-Lead Pin Connectors
  43
- Cathode Ray Tube Replacement
  43
- Repackaging for Shipment
  43
- Interboard Comb Connection Locations
  44
Calibration

45
- Introduction
  45
- T E K T R O N IX Field Service
  45
- Using this Procedure
  45
- Test Equipment Required
  45
  - Special Calibration Fixtures
    45
  - Calibration Equipment Alternatives
    45
- Performance Check
  45
- Calibration Procedure
  45
Rackmounting

69
- Introduction
  69
- Rack Dimensions
  69
- Slide out Tracks
  69
- Mounting Procedure
  69
- Alternate Rear Mounting Methods
  70
- Removing or Installing the Instrument
  70
- Slide out Track Lubrication
  70
Electrical Parts List

75
Diagrams and Circuit Board Illustrations

123
- Change Information
  193

Tektronix 485 Service Instructions Manual (192 pages)

Brand: Tektronix | Category: Test Equipment | Size: 33 MB

Table of Contents
2
Section 1 Specification
4
- Vertical Deflection System
  4
- Probe Performance
  6
- Horizontal Deflection
  7
- Calibrated Sweep Delay
  7
- Crt
  8
- Calibrator
  9
- Other Characteristics
  9
- Environmental Characteristics
  9
- Controls and Connections
  10
  - Front Panel
    10
  - Rear Panel
    13
  - Bottom Side
    13
Circuit Description
14
- 50 N Attenuator
  14
- Megohm Buffer
  14
- 50 N Overload Protection
  14
- Vertical Preamplifier
  14
- Signal Channel Switch
  15
- Internal Trigger Amplifier
  15
- Main Vertical Amplifier
  15
  - Amplifier
    15
  - Circuit
    15
  - Circuit
    18
  - Focus DC Restorer
    26
  - Beam Current Limit
    27
  - Power Supply Shutdown
    27
  - CRT Control Circuits
    27
  - Auto Focus Circuit
    27
- Introduction
  29
- Cover Removal and Cleaning
  29
- Lubrication
  30
- Visual Inspection
  31
- Semiconductor Checks
  31
- Recalibration
  31
- Troubleshooting
  31
- Introduction
  31
  - Troubleshooting Aids
    31
  - Circuit Boards
    31
  - Troubleshooting Equipment
    33
  - Troubleshooting Techniques
    34
  - Special Troubleshooting Information
    35
- Corrective Maintenance
  39
- Obtaining Replacement
  39
- Soldering Techniques
  39
  - Component Replacement
    40
- Circuit Board Replacement
  40
  - Timing Board Removal
    40
  - Transformer Board Removal
    41
  - Inverter Board Removal
    42
- Semiconductor Replacement
  42
- Circuit Board Pins
  42
- End Lead Pin Connectors
  43
- Cathode Ray Tube
  43
- Repackaging for Shipment
  43
- Calibration
  45
- Introduction
  45
- TEKTRONIX Field Service
  45
- Using this Procedure
  45
- Test Equipment Required
  45
  - Special Calibration Fixtures
    45
  - Calibration Equipment
    45
- Performance Check
  48
- Calibration Procedure
  52
Rackmounting
69
- Introduction
  69
- Rack Dimensions
  69
- Slide out Tracks
  69
- Mounting Procedure
  69
- Alternate Rear Mounting Methods
  70
- Removing or Installing the Instrument
  70
- Slide out Track Lubrication
  70
Diagrams and Circuit Board Illustrations
123
- 485/R485 Service
  124
- Parts
  164
- Replacement
  164
- L • SETSCREW:5-40
  171
- Nut,Plain,Hex
  171
- Inch,Hex Soc Stl
  171
- Inch,Hex Stl
  171
- Inch Brs IDX 0. Stl
  177
- Obd
  177

Tektronix 485 Instruction Manual (192 pages)

OSCILLOSCOPE

Brand: Tektronix | Category: Test Equipment | Size: 27 MB

Table of Contents
2
Specification
4
Horizontal Deflection
7
Calibrated Sweep Delay
7
Calibrator
9
Other Characterirics
9
Gen
10
Front Pane
10
Rear Panel '4
13
Bottom Side '4
13
Circuit Description
14
Introduction
14
Megohm Buffer Amplifier
14
50 N Overload Protection
14
Signal Channel Switch
15
Internal Trigger Amplifiar
15
Main Vertical Amplifier
15
Scale Faetor Readout
16
Vertical Mode Control
16
Z Axis 3·3
16
A Trig9Er Amplifier
16
A EXT Trigger Identify
16
A and B Sweep
17
Horizontal Amplifier
18
Horizontal Control
18
Power Inverter/Regulator
19
Line Filt
19
Line Input Circuil
19
Inverter
20
L1Na Stop Circuit and Surge Limiting
21
Procedure for Converting the 485 to DC Operation
22
Low Volt. Supplies
22
Overcurrant Protection
25
Low Line Voltage Protaction 3·12
25
Filament Voltage 3·12
25
Anode Supply
25
Beam Current Limit
27
CRT Control Circuits
27
Auto Focu' Circuit
27
Calibrator
28
Maintenance
29
Cleaning
29
Lubrication
30
Semiconductor Checks
31
Recalibration '·3
31
Introduction '·3
31
Circuit Board
31
Special Troubleshooting Information
35
Correcti
39
Component Repl_Ment
40
Timin; Board Removal
40
Semiconductor Replacement
42
Circuit Board Pin' 4·14
42
End Lead Pin Connectors 4·15
43
Calibration
45
Introduction
45
Test Equipment Required
46
Calibration Procedure
52
Introduction
69
Rack Dimension
69
Electrical Parts List
75
Diagrams and Circuit Board Illustrations
123
Mechanical Parts List
164
Change Information
164

Tektronix 485 Operator's Handbook Manual (40 pages)

Brand: Tektronix | Category: Test Equipment | Size: 3 MB

Table of Contents
2
Operating Instructions
3
Controls and Connectors
4
Operating Temperature
4
Trace Separation
5
Single Sweep
12
Rear Panel
13
Probe Power
13
Line Voltage
14
Bottom Panel
14
User's Calibration
15
Applications
16
Peak-To-Peak Voltage Measurements
16
Instantaneous Voltage Measurements-DC
17
Comparison Measurements
19
Time-Duration Measurements
22
Frequency Measurement
23
Risctime Meaairoment
24
Time-Difference Measurements
25
Delayed Sweep Time Measurement
27
Sweep Magnification
29
Pulse Jitter Measurements
31
Delay-Time Multiplier
32
Delayed Trigger Generator
33
Normal Trigger Generator
33
Sweep Mode
34
Multi-Trace Phase Difference Measurements
34
X-Y Phase Measurement
35
Common-Mode Rejection
37

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User Manuals: Tektronix 485 Analog Oscilloscope

Tektronix 485 Instruction Manual (197 pages)

Table of Contents

Specification

Circuit Description

Maintenance

Calibration

Rackmounting

Electrical Parts List

Diagrams and Circuit Board Illustrations

Tektronix 485 Service Instructions Manual (192 pages)

Table of Contents

Tektronix 485 Instruction Manual (192 pages)

Table of Contents

Tektronix 485 Operator's Handbook Manual (40 pages)

Table of Contents

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