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Cash Counter
CFC250
Tektronix CFC250 Manuals
Manuals and User Guides for Tektronix CFC250. We have
1
Tektronix CFC250 manual available for free PDF download: Service Manual
Tektronix CFC250 Service Manual (59 pages)
FREQUENCY COUNTER
Brand:
Tektronix
| Category:
Cash Counter
| Size: 4 MB
Table of Contents
I I I
3
Change Informa Tion
3
Table of Contents
5
OPERATORS SAFETY Summary
8
Servicing Safety Summary
9
General Information
11
Introduction
11
Specification
11
Preparation for Use
15
Safety
15
Line Voltage
15
Power Cord
15
Fuses
16
Operating Information
16
Theory of Operation
17
Introduction
17
Digital Logic Conventions
17
Block Diagram Description
17
Detailed Circuit Description
17
Block Diagram
18
Performance Check Procedure
21
Introduction
21
Test Equipment Needed
21
Test Equipment Required
21
Adjustment Procedure
23
Preparation for Adjustment
23
Maintenance
25
Static-Sensitive Components
25
Relative Susceptibility to Static-Discharge Damage
25
Preventive Maintenance
26
Inspection and Cleaning
26
External Inspection Checklist
27
Internal Inspection Checklist
27
Troubleshooting Aids
28
Semiconductor Lead Configurations
28
Troubleshooting Techniques
28
Normal CFC250 Displays
32
Digit Strobe Waveforms
33
Correct Waveforms at Input Circuit Test Points
34
Corrective Maintenance
35
Maintenance Aids
36
Interconnections
36
TRANSISTORS and INTEGRATED Circuits
36
Soldering Techniques
37
Removal and Replacement Instructions
38
Rear Panel
39
Options
41
International Power Cords
41
Replaceable Parts
43
Change Information
43
I I I I
43
Diagrams and Circuit Board Illustrations
53
Color Codes for Resistors
54
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