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Maintenance
Probe Comp Output
When the oscilloscope is on and operating properly, the Probe Comp output
should generate a square wave, approximately 5 V in amplitude, at a 1 kHz
frequency. Use the oscilloscope and use a 10X TPP0101 or TPP0201 probe to
probe this output.
As shown in the following table, there are two cases of defects. Either the 1 kHz
signal is on and the power supply and Main board are both active and functionally
capable of doing acquisition, or one of those two modules is not performing
correctly. While many different possible frequencies exist, all involve detected
failures on the Main board due to Main board failure or power supply failure.
Table 19: Probe Comp output
Signal at Probe Comp
Possible problem
1 kHz signal, no display
Refer to
Troubleshooting the Display.
Non-1 kHz signal
Refer to
Troubleshooting the Main Board
Troubleshooting the Main Board
No signal
Refer to
Troubleshooting the Power Supply
Troubleshooting the Power Supply
74
TDS2000C and TDS1000C-EDU Series Oscilloscope Service Manual
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...