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381
Tektronix 381 Manuals
Manuals and User Guides for Tektronix 381. We have
2
Tektronix 381 manuals available for free PDF download: Instruction Manual
Tektronix 381 Instruction Manual (152 pages)
PAL TEST MONITOR
Brand:
Tektronix
| Category:
Test Equipment
| Size: 55 MB
Table of Contents
Table of Contents
4
Horizontal System
5
Loop-Thru Input
5
Ee Eee
6
Trigger Setting
6
Operators Safety Summary
9
Part | Operators Information
11
Section5
11
Introduction
11
Vertical System Characteristics
13
Horizontal System Characteristics
17
Chrominance Characteristics
18
Physical Characteristics
20
Safety Information
21
Power Supply
21
Ac-Powered Operation
21
Ac Regulating Range
21
External DC-Powered
22
INPUTS and OUTPUTS
22
Probe Connection
22
Controls, Connectors
22
Front Panel
22
Graticule Descriptions
26
Internal Graticule
27
External Graticule
28
Side Panel
29
Signal Connection
29
Operation with Probe
29
Trigger Source Selection
29
Line Rate Display
30
Field Rate Display
30
Digital Line Select Display
31
Variable Line Select Display
31
Overlay Display
31
Vectorscope Operation
32
Line Sweep Display of Color
33
Differential Gain (DG) Measurement
33
Differential Phase (DP) Measurement
34
External Phase Reference Operation
34
Using the 015-0438-00 Subcarrier
35
Oscilloscope Operation
35
Sweep Rate Setting
35
Vertical Sensitivity Setting
36
Servicing Safety Summary
39
PART Il
41
Service Information
41
Preventive Maintenance
41
Visual Inspection
41
Multi-Pin Connectors
42
Transistor and Integrated Circuit
42
Troubleshooting Aids
43
Troubleshooting Equipment
46
Troubleshooting Procedure
46
Corrective Maintenance
49
Soldering Techniques
49
Circuit Board Replacement
49
Semiconductor Replacement
50
Test Equipment
53
Board and Adjustment Location
53
Recommended Test Equipment
54
Preliminary Procedures
55
Resistance Checking
55
POWER SUPPLY and CRT
55
Typical LV Power Supply Resistances
55
Typical Primary Winding Resistances
55
AC Input Voltage
55
Vertical System
56
Typical LV Power Supply Deviation and
56
Response
57
Vertical Accuracy
57
Calibrator
58
Filter Adjustment
58
Vertical Response Modes
58
Noise Check Readings
58
Filter Check
59
Horizontal System
59
TV Sweep Accuracy
59
Aux Time Base Accuracy
59
PLL (Phase Lock Loop)
60
Triggering Response
60
Theory of Operation
61
Block Diagram
61
Vertical Amplifier
61
Timebase
61
Unblanking Circuit
61
Section8
61
Detailed Description
62
Loop Thru Input Circuit
62
Probe Input Circuit
62
1V Calibrator Circuit
62
Signal Output Amplifier and 1V Calibrator Circuit
62
Filter Circuit
63
THEORY of OPERATION (Cont)
63
DC Restorer and Vertical Output
63
Amplifier Circuits
63
Trigger Circuit
64
Sync Stripper Circuit
64
Line Counter and Variable Line Selector Circuits
64
Readout Circuit
64
Sweep Generator Circuit
65
Display Control and Overlay Circuits
66
Horizontal Mode Control Line States
66
Horizontal Amplifier Circuit
67
Unblanking Circuit
67
Crt Circuit
68
Low Voltage Regulated Power Supply Circuit
68
Circuit
68
Replaceable Electrical Parts
71
List
71
Servicing Illustrations
97
Circuit Board Illustrations
101
Replaceable Mechanical Parts
131
Change Information
147
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Tektronix 381 Instruction Manual (139 pages)
PAL TEST MONITOR
Brand:
Tektronix
| Category:
Test Equipment
| Size: 41 MB
Table of Contents
Table of Contents
5
List of Illustrations
7
List of Tables
8
Operators Safety Summary
9
Introduction
11
Description
11
Specification
12
Vertical System Characteristics
12
Waveform
15
Horizontal System
16
Power Source Characteristics
18
Environmental Characteristics
18
Physical Characteristics
19
Safety Information
20
Ac-Powered Operation
20
Ac Regulating Range
20
External DC-Powered
21
Graticule Descriptions
25
Internal Graticule
26
External Graticule
27
Operating Information
28
Signal Connection
28
Operation with Probe
28
Trigger Source Selection
28
Monitor Operation
29
Line Rate Display
29
Field Rate Display
29
Digital Line Select Display
30
Variable Line Select Display
30
Noise Measurement
31
Vectorscope Operation
31
Line Sweep Display of Color
32
Display
32
Differential Phase (DP) Measurement
33
Using the 015-0438-00 Subcarrier
34
Sweep Rate Setting
34
Vertical Sensitivity Setting
35
Servicing Safety Summary
37
Service Information
38
Preventive Maintenance
38
Visual Inspection
38
Multi-Pin Connectors
39
Transistor and Integrated Circuit
39
Troubleshooting Aids
40
Troubleshooting Equipment
43
Troubleshooting Procedure
43
Corrective Maintenance
46
Soldering Techniques
46
Circuit Board Replacement
46
Semiconductor Replacement
47
Board and Adjustment Location Information
48
Recommended Test Equipment
49
Power Supply
50
Preliminary Procedures
50
Power
50
Typical LV Power Supply Resistances
50
Typical Primary Winding Resistances
50
AC Input Voltage
50
Vertical System
51
Typical LV Power Supply Deviation and
51
Response
52
Vertical Response Modes
53
Noise Check Readings
53
TV Sweep Accuracy
54
Aux Time Base Accuracy
54
PLL (Phase Lock Loop)
55
Vector
55
Triggering Response
55
Trigger Circuit, "Secon
59
Sync Stripper Circuit
59
Line Counter and Variable Line Selector Circuits
59
Readout Circuit
59
Sweep Generator Circuit
60
Display Control and Overlay
61
Horizontal Mode Control Line States
61
Horizontal Amplifier Circuit
62
Unblanking Circuit
62
Low Voltage Regulated Power
63
S<0
69
Eee
69
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