YOKOGAWA DL1720 Manuals

Manuals and User Guides for YOKOGAWA DL1720. We have 1 YOKOGAWA DL1720 manual available for free PDF download: Service Manual

YOKOGAWA DL1720 Service Manual

YOKOGAWA DL1720 Service Manual (67 pages)

Digital Oscilloscope

Brand: YOKOGAWA | Category: Test Equipment | Size: 2 MB

Table of Contents

Important Notice to the User
2
Introduction
3
Safety Precautions
3
Overview of this Manual
5
Table of Contents
6
Chapter 1 General Information
8
Introduction
8
Safety Considerations
8
Chapter 2 Performance Testing
9
Introduction
9
Test Environment
9
Equipment Required for the Performance Test
9
Self Diagnosis
9
Vertical Axis DC Voltage Accuracy Test
10
Frequency Response Test
11
Time-Base Accuracy Test
13
Trigger Sensitivity Test
14
Trigger Accuracy Test
16
Specifications
16
Chapter 3 Adjustments
18
Introduction
18
Test Environment
18
Equipment Required
19
DC Gain Adjustment on the AD Board
19
Flatness Adjustment on the Analog Board
23
Chapter 4 Principles of Operation
27
Introduction
27
Function of each Assembly
27
Function of each ASIC
30
Chapter 5 Troubleshooting
36
Introduction
36
Flowchart
36
Power Supply Secondary Voltage
40
Self Test
41
Key Board Test
41
Memory Test
42
FDD Test
42
Zip Test
43
SCSI Test
43
Printer Test
44
Accuracy Test
45
Chapter 6 Schematic Diagram
46
Chapter 7 Customer Maintenance Parts List
47
Customer Maintenance Parts List
47
Standard Accessories
51
Chapter 8 Procedures for Disassembly
52
Removing the Top Cover
52
Removing the Printer Case
54
Removing the Front Bezel
56
Removing the AD Board Assembly and the Analog Assembly
58
Removing the Fan Assembly
59
Removing the Power Supply
63
Removing the CPU Board Assembly, SCSI Board Assembly, and the Ether Assembly
65
Removing the Front Frame
67

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