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Maintenance
Troubleshooting the Front
Panel
To troubleshoot an improperly functioning front panel, follow these steps:
1.
To execute the internal diagnostic tests, remove all input signals from the
oscilloscope, and enable the Service menu. (See page 42,
2.
Push the
UTILITY
button and push the
Service
option button. The following
options appear:
Table 21: Troubleshooting the front panel – service
Menu
Comments
Factory Cal
Steps through the calibration routine steps.
Total Init
Writes factory default settings to all saved setups, writes factory
default data to all reference waveforms, turns off Service Mode,
and performs the same actions as the front-panel Default Setup
button.
Service Diag.
Displays the service diagnostics menus.
Service Mode Off
Disables the Service menu.
3.
Select
Service Diag
. The following options appear:
Table 22: Troubleshooting the front panel – Service Diag
Menu
Comments
Mfg. Tests
Displays a front-panel simulation used to check that all front panel
controls are operational.
Loop Diag.
Opens a menu that enables you to rerun a subset of the power-on
self tests.
Peek/Poke
For engineering use only.
Clear Error Log
Removes all Error Log entries from memory and sets the power
cycle count to zero.
4.
Select
Mfg. Tests
to start the front-panel controls test. The following options
appear:
Table 23: Troubleshooting the front panel – Mfg. test
Menu
Comments
Test FP
Displays a front-panel simulation used to check the operation of
all front panel controls.
All buttons must be pushed and all knobs must be turned in both
directions before you can exit this test.
Test Screen
Checks the display screen pixels with different patterns from each
push of the button.
Contrast
Allows you to check the display contrast operation across 100%
of the hardware range.
TDS2000C and TDS1000C-EDU Series Oscilloscope Service Manual
77
Summary of Contents for TDS1001C-EDU
Page 12: ...Preface x TDS2000C and TDS1000C EDU Series Oscilloscope Service Manual...
Page 30: ...Specifications 18 TDS2000C and TDS1000C EDU Series Oscilloscope Service Manual...
Page 52: ...Performance Verification 40 TDS2000C and TDS1000C EDU Series Oscilloscope Service Manual...
Page 60: ...Adjustment Procedures 48 TDS2000C and TDS1000C EDU Series Oscilloscope Service Manual...
Page 85: ...Maintenance TDS2000C and TDS1000C EDU Series Oscilloscope Service Manual 73...
Page 96: ...Maintenance 84 TDS2000C and TDS1000C EDU Series Oscilloscope Service Manual...
Page 110: ...Replaceable Parts 98 TDS2000C and TDS1000C EDU Series Oscilloscope Service Manual...