TB 9-6625-152-24
e. Press TI [IC201 Offset] key and connect multimeter configured for DC Volts
measurements to TI TP201 (fig. 11).
f. Adjust R211 (fig. 11) for 0 mV 0.5 mV dc.
g. Remove BNC short from TI AF INPUT.
h. Press TI [Scope Sens] key and connect TI AF GEN OUT to TI AF INPUT (TI AF
generator will be supplying 1.06 V rms @ 1 kHz to TI AF INPUT).
i.
Connect multimeter configured for AC Volts measurements to TI TP210 (fig. 11).
j.
Adjust R210 (fig. 11) for 1.768 V rms 3 mV.
k. Disconnect equipment setup.
27. Voltmeter DC Offsets and Sensitivity
a. Press {[HELP/SETUP], [Diagnostic], [B1 Setup], [Scope/VM]}, [IC205 Offset].
b. Connect a BNC short to TI AF INPUT connector.
c. Connect multimeter configured for DC Volts measurements to TI TP202 (fig. 11).
d. Adjust R232 (fig. 11) for 0 mV 0.5 mV dc.
e. Remove BNC short from TI AF INPUT connector.
f. Press TI [Vm sens 3kHzLP] key.
g. Connect TI AF GEN OUT to TI AF INPUT.
h. Connect multimeter configured for AC Volts measurements to TI TP211 (fig. 11).
i. Adjust R238 (fig. 11) for 4.883 V rms 10 mV.
j. Press TI [Vm sens 50kHzLP] key.
Ensure multimeter indication is within
4.883 V rms 100 mV.
k. Disconnect equipment setup.
28. SINAD/Distortion Meter
a. Press {[HELP/SETUP], [Diagnostic], [B1 Setup], [Scope/VM]}, [Sinad].
b. Connect TI AF GEN OUT to TI AF INPUT.
c. Turn R263 (fig. 11) fully ccw.