Table of Contents
Advertisement
Calibration—214 Service
POWER SUPPLY AND DISPLAY
Equipment Required
1.
Ramp Generator (TM 501/RG 501)
2.
DC Voltmeter
3.
Low-Frequency
Constant-Amplitude
Signal
Gen-
erator (General Radio 1310-B Oscillator)
4. Probe tip-to-BNC Adapter
5.
10X BNC Attenuator
6. Three-inch Screwdriver
Control Settings
Preset instrument
controls
to the settings given
under
Preliminary Control Settings.
1. Check Power Supply DC Levels
NOTE
If
the instrument
has been
operating
satisfactorily
prior to recalibration, proceed with step 2.
a. Using the DC Voltmeter, measure the DC level of the
power
supplies
given
in Table 4-2. Observe
proper
meter
polarity. See Fig. 4-1 for test point locations.
TABLE 4-2
Power Supply Accuracy
Supply
Measurement
—5.6V
—5.6 volts +0.4 volt
+5.6V
+5.6 volts +0.4 volt
+65 V
+65 volts +4 volts
_1000 V
—960 volts +40 volts
(due to meter loading)
b, To measure the —100 V supply:
1. Depress the STORE
button.
3. Press the STORE
button to release it.
REV. B, AUG. 1974
Advertisement
Table of Contents
