Keysight Technologies InfiniiVision MSO-X 3012G Manuals

Manuals and User Guides for Keysight Technologies InfiniiVision MSO-X 3012G. We have 1 Keysight Technologies InfiniiVision MSO-X 3012G manual available for free PDF download: Service Manual

Keysight Technologies InfiniiVision MSO-X 3012G Service Manual (148 pages)

Brand: Keysight Technologies | Category: Test Equipment | Size: 31 MB

Figure 68. Exploded View 2 of
2
In this Service Guide
3
Table of Contents
5
Figures
9
Tables
13
Characteristics and Specifications
15
Power Requirements
15
Measurement Category
16
Measurement Category Definitions
16
Transient Withstand Capability
17
Environmental Conditions
18
Specifications
18
Contact Us
18
Testing Performance
19
Overview
20
List of Test Equipment
21
Conventions
22
Table 1. List of Test Equipment
22
Table 2 Conventions
22
To Construct the Test Connector (for Use with MSO Models Only)
23
Table 3. Materials Required to Construct the Test Connectors
23
Figure 1 Constructing the 8-By-2 Connector
24
To Test Digital Channels (MSO Models Only)
25
To Verify Digital Channel Threshold Accuracy (MSO Models Only)
26
When to Test
26
What to Test
26
Verifying Test Results
26
Table 4 Equipment Required to Test Digital Channel Threshold Accuracy
26
Figure 2 Setting up Equipment for Digital Channel Threshold Accuracy Test
28
Table 5. Threshold Accuracy Voltage Test Settings
29
To Verify DC Vertical Gain Accuracy
30
Table 6 DC Vertical Gain Accuracy Test Limits
30
Table 7. Equipment Required to Verify DC Vertical Gain Accuracy
31
Figure 3. Setting up Equipment for DC Vertical Gain Accuracy Test
33
Figure 4 Using a Blocking Capacitor to Reduce Noise
34
To Verify Dual Cursor Accuracy
35
Table 9. Equipment Required to Verify Dual Cursor Accuracy
35
Figure 5. Setting up Equipment for Dual Cursor Accuracy Test
37
Figure 6 Using a Blocking Capacitor to Reduce Noise
38
To Verify Bandwidth (-3 Db)
39
Table 11. Bandwidth (-3 Db) Test Limits
39
Table 12 Equipment Required to Verify Bandwidth (-3 Db)
39
Figure 7 Setting up Equipment for Bandwidth (-3 Db) Verification Test
40
To Verify Time Base Accuracy
44
Table 13 Equipment Required to Verify Time Base Accuracy
44
To Verify Trigger Sensitivity
46
Test Internal Trigger Sensitivity (All Models)
46
Table 14. Equipment Required to Verify Trigger Sensitivity
46
Figure 8 Setting up Equipment for Internal Trigger Sensitivity Test
47
Test External Trigger Sensitivity
49
Figure 9. Setting up Equipment for 4-Channel External Trigger Sensitivity
50
Keysight 3000G X-Series Oscilloscopes Performance Test Record
52
Calibrating and Adjusting
55
User Calibration
57
To Perform User Cal
57
Figure 10 User Calibration Cable for 2-Channel Oscilloscope
59
Figure 11 User Calibration Cable for 4-Channel Oscilloscope
59
User Cal Status
60
Troubleshooting
61
Solving General Problems with the Oscilloscope
62
If There Is no Display
62
If There Is no Trace Display
63
If the Trace Display Is Unusual or Unexpected
63
If You Cannot See a Channel
64
Verifying Basic Operation
65
To Power-On the Oscilloscope
65
To Perform Hardware Self Test
65
To Perform Front Panel Self Test
66
To Verify Default Setup
66
Figure 12 Default Setup Screen
67
To Perform an Auto Scale on the Probe Comp Signal
68
To Compensate Passive Probes
69
Figure 13 Example Pulses
69
Troubleshooting Internal Assemblies
70
Equipment Required for Troubleshooting Internal Assemblies
70
To Prepare for Internal Assembly Troubleshooting
70
Table 15. Equipment Required to Troubleshoot the Oscilloscope
70
Figure 14 Setup for Troubleshooting Internal Assemblies
71
Flowchart for Troubleshooting Internal Assemblies
73
System Board Drawings
74
Figure 15 System Board Test Points/Connectors - Top Side, Left
74
Figure 16 System Board Test Points/Connectors - Top Side, Right
75
To Check the System Board Power Supply Test Points
76
To Check the Interboard Supply Connector Voltages
77
Figure 17. Line Filter Board Interboard Supply Connector J108
78
To Check the Line Filter Board AC Output
79
To Check the Power Switch
80
Figure 18 Verify Line Filter Board AC Output
80
Figure 19 Verify Power Switch Operation
81
To Check the Power Supply DC Output
82
To Check the Display Supplies
82
To Check the Keyboard Supplies
83
To Check the Fan
84
Figure 20 Location of the Fan Connector
85
Replacing Assemblies
87
To Remove the Front Panel Knobs
89
Figure 21 Removing the Front Panel Knobs
89
To Remove the Bucket Assembly
90
Figure 22 Removing the Bucket Screws
90
Figure 23 Removing Bucket Assembly
91
To Remove the Power Supply Shield
92
Figure 24 Removing the Power Supply Shield Screw
92
Figure 25 Unclipping the Power Supply Shield Right Side
93
Figure 26 Removing the Power Supply Shield - Lift and Pull out
94
To Remove the Rear Deck Assembly
95
Figure 27 Removing the BNC Nuts and Washers
95
Figure 28 Removing the Top Rear Deck Screws
96
Figure 29 Removing the Bottom Right Rear Deck Screw
96
Figure 30 Removing the Bottom Left Rear Deck Screw
97
Figure 31 Removing the Bottom Rear Deck Screws
97
Figure 32 Removing the Option Module Guide to Acquisition Board Screw
98
Figure 33. Disconnecting the Interboard Supply Cable from the Acquisition
99
Figure 34 Lifting Front Bezel Latch
100
Figure 35 Separating the Rear and Front Decks
101
Figure 36 Rear and Front Decks Separated
101
To Replace the Battery
102
Figure 37 Battery Location
102
To Remove the Touch Controller Board
103
To Remove the Acquisition Board
107
Figure 38 Removing the T6 Screws (4 Channel Version)
107
Figure 39 Removing the Controller Board Bracket
108
Figure 40. Disconnecting Keyboard and Display Cables from Acquisition
109
Figure 41. Disconnecting Display Backlight Power Cable from Acquisition
110
Figure 42 Acquisition Board Mounting Screw Locations
111
Figure 43 Acquisition Board Removed from Front Deck
112
To Remove the Front Panel Assembly
113
Figure 44 Release the Bezel Clips from the Front Deck
113
Figure 45 All Bezel Clips Released
114
Figure 46 HINT: When Reinstalling Bezel, Align Ground Terminal First
114
Figure 47 Gently Lift Front Deck from Bezel
115
Figure 48 Disconnect the Keyboard Cable
115
Figure 49 Disconnect the Softkey Board Cable
116
Figure 50 Unclip the Softkey Board from the Bezel
117
Figure 51 Remove the Softkey Keypad from the Bezel
117
Figure 52 Unclip the Keyboard Board from the Bezel
118
Figure 53 Remove the Keyboard Keypad from the Bezel
118
To Remove the Display Assembly
119
Figure 54 Removing the Display Assembly
119
Figure 55 Display Assembly Removed
120
To Remove the Fan Assembly
121
Figure 56 Disconnecting Fan Power Cable
121
Figure 57 Removing Fan Assembly
122
To Remove the Power Supply
123
Figure 58 Disconnecting the AC Cable
123
Figure 59. Disconnecting the Interboard Supply Cable from the Line Filter
124
Figure 60 Disconnecting the DC Cable from the Line Filter Board
124
Figure 61 Removing the Power Supply
125
To Remove the Line Filter Board
126
Figure 62 Removing the Option Module Guide
126
Figure 63 Disconnecting the Ground Wire
127
Figure 64 Removing the Line Filter Board Screws
128
Figure 65 Removing the Line Filter Board
129
Figure 66 Removing the Power Switch Extender
130
After Service
131
Protective Earth Continuity Test
131
Dielectric Voltage Withstand (Hipot) Test
131
Replaceable Parts
133
Ordering Replaceable Parts
134
Listed Parts
134
Unlisted Parts
134
Direct Mail Order System
134
Exchange Assemblies
135
Exploded Views
136
Figure 67 Exploded View 1 of
136
Replaceable Parts List
138
Table 16 Replaceable Parts
138
Safety Notices
145
Warnings
145
To Clean the Instrument
146
Safety Symbols
146
Index
147

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