3 - 10
SM 700820-01E
Figure 3.8 Observed waveform
3.9 Start-able Oscillator Adjustment on the Trigger Assembly
Procedure
1) Remove the unit cover, front panel, and bottom plate.
2) Hold the [MISC] key in and turn on the power and allow the unit to warm up for 15
minutes or more.
3) Connect each instrument as shown in Figure 3.9 Connection method.
Frequency Counter
with 1MΩ input
DL2700
Probe
Center Board of long slots
Connect probe hooktip to TP401
(Test Point) and probe ground lead
to TP701 (GND)
Figure 3.9 Connection method
4) Press the [INITIALIZE] key and select the “Initialize” option to execute initialization.
5) Press the [MISC] key and move to the next page. Press “SELF TEST” item
6) Select the “ACCURACY” option in the “TEST ITEM” menu and select the “SOSC”
option in the “ACCURACY” menu.
7) Adjust the variable resistor (R423, refer to Figure 3.10) so that the measuring frequency
fits within the following values.
100±0.1 MHz
To Next Page
Loading...
