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TB 9-6625-086-35
Perform (5) through (7) below if the TI is to be used with a 100-
ohm thermistor mount.
(5) Disconnect the 200-ohm thermistor mount from the TI.
(6) Connect 100-ohm thermistor mount (A8) to the TI and turn the MOUNT RES
switch to 100Ω.
(7) The frequency counter will indicate between 9,950 and 10,050 Hz.
b. Adjustments
(1) Adjust L2 (fig. 1) on model 431C.
(2) Adjust L101 (fig. 2) on model 431B.
13. Power Supply
a. Performance Check
Do not perform the power supply check if all other parameters
are within tolerance.
(1) Connect dc voltmeter (A3) to pin W of terminal board XA2 (fig. 5) and ground.
For model 431B, connect the voltmeter to the negative end of C6 (fig. 2) and ground.
12
NOTE
NOTE
Figure 5. Top internal view-model 431C.
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