Tektronix TDS6404, Service Manual

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Performance Tests
4- 58
TDS6000 Series Service Manual
H
Touch the Close button.
H
Set the Vertical SCALE to 50 mV.
H
Set the generator for a 10.0 MHz sine wave.
H
Set the generator to output a 4 division signal. Adjust the output
until the Pk-Pk readout displays 200 mV.
c. Set the oscilloscope controls:
H
Move the cable from the CH 1 input to the rear-panel Ext Ref input
(see Figure 4--22).
H
Touch
Menu
to select menu mode.
H
Touch Utilities and select External Signals .
H
Touch the Internal button to select the external reference (the button
name changes to External).
50
Ω
Coaxial cable
Output
Sine-wave
generator
TDS6000 Series
Figure 4- 22: Final test hookup
6. Confirm external reference:
a.
Perform a signal path compensation:
H
Touch Utilities and select Instrument Calibration .
H
Touch Calibrate and wait for the signal path compensation to finish.
b. Check the completion status: If the Status is Fail, refer the instrument to
qualified service personnel.
7.
Disconnect the hookup:
a. Disconnect all test equipment from the oscilloscope.