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Tektronix TDS3012 Service Manual
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Maintenance
TDS3000 Series Service Manual
6–29
8.
Use your thumb to push down the tab next to a back light tube, at the same
time pulling the back light tube cable to slide the back light out of the
display
. See Figure 6–18.
Push tab
down
Backlight tubes (2)
Display module
Figure 6–18: Remove back light tube
104
106
Table of Contents
List of Figures
7
Table of Contents
7
Table 1-1: Specifications
19
Figure 3-1: TDS3000 Series Block Diagram
53
Table 6-1: Internal Inspection Check List
79
Maintenance
82
Table 6-2: Removal and Installation Procedures
82
Handle
83
Figure 6-1: Pulling the Hub Pin
84
Figure 6-2: Releasing the Hub Assembly
85
Figure 6-3: Reinstalling a Hub Cover
87
Hub Cover
87
Hub Assembly
87
Rear Case
87
Figure 6-4: Communication Module Guide
88
Communication Module Guide
88
Figure 6-5: Flex Cable to the Disk Drive
89
Disk Drive
89
Figure 6-6: Removing the Bezel from a New Disk Drive
90
Figure 6-7: Cables to the Main Board
91
Rear Chassis
91
Battery Board
91
Figure 6-8: Installing the Fan, Line Filter, and Line Power Cable
93
Figure 6-9: Installing the Line Filter and Line Power Cable
94
Power Supply
94
Line Filter
94
AC Line Power Cable
94
Figure 6-10: Disk Drive and Display Module Cable Connectors
96
Main Board
96
Display Cable
96
Disk Drive Cable
96
Figure 6-11: Main Board
97
Figure 6-12: Front Chassis
99
Module
99
Figure 6-13: Display Module
100
Figure 6-14: Front-Panel Cable Routing
101
Figure 6-15: Disconnect Back Light Cables
102
Display Module
102
Inverter Board
102
Display Inverter Board
102
Backlight Tubes
102
Figure 6-16: Remove Inverter Board
103
Figure 6-17: Remove Display from Display Chassis
104
Figure 6-18: Remove Back Light Tube
105
Figure 6-19: Installing Display Glass Shield
106
Figure 6-20: Remove Front-Panel Knobs
107
Front Panel
107
Figure 6-21: Remove Front-Panel Board
108
Figure 6-22: Remove Front-Panel Keypads
109
Figure 6-23: Checking Front-Panel Lock Nuts
110
Figure 6-24: Primary Troubleshooting Procedure
112
Figure 6-25: Power-On Troubleshooting Procedure
113
Figure 6-26: AC Power Supply Troubleshooting Procedure
114
Figure 6-27: Battery Module Troubleshooting Procedure
115
Figure 6-28: Front Panel/Display Backlight Power Troubleshooting
116
Figure 6-29: Display/Main Module Supply Voltage Troubleshooting
117
Figure 6-30: no Display, Power Supply Voltages OK
117
Figure 6-31: Module Isolation Troubleshooting Procedure
118
Table 7-1: TDS3000 Series Options
121
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Tektronix TDS3012 Specifications
General
Brand
Tektronix
Model
TDS3012
Category
Test Equipment
Language
English
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