Power Supply - TB-9-6625-2274-500016

TB 9-6625-2274-50

b. Apply power and allow at least 20 minutes for warm-up and stabilization.

17. Power Supply

a. Press TIMING MODE MARKERS pushbutton and adjust UNITS/DIV dial to

display .5 s.

b. Set multimeter for dc volts and autorange. Connect positive lead of multimeter to TI

A4TP1410 (fig. 1) and negative lead to TI A4TP1400 (fig. 1).

c. Adjust A5Rl004 (fig. 1) for a multimeter indication of +5.15 V dc 0.05 V (R).

d. Remove multimeter connections and connect 20k, 2W, 5% resistor to OUTPUT.

e. Connect multimeter positive lead to A5TP1702 (fig. 1) and negative lead to

f. Position controls as listed in (1) through (5)below:

(1) Press AMPLITUDE MODE AMPL MODE VOLT pushbutton.

(2) Press AMPLITUDE MODE FREQ

pushbutton to highlight +DC.

(3) Press AMPLITUDE MODE NUMBER OF DIV (MULTIPLIER)

pushbutton to display X 10 DIV.

(4) Adjust UNITS/DIV dial to display 20 V/D.

(5) Press OUTPUT ON pushbutton on.

g. Adjust A5R1106 (fig. 1) for a multimeter indication of +237 V dc 2 V (R).

h. Press OUTPUT ON pushbutton off. Disconnect resistor from OUTPUT.

i. Adjust UNITS/DlV dial to display lV/D and press AMPLITUDE MODE NUMBER

OF DIV (MULTIPLIER)

pushbutton to display X 1 DIV.

Connect multimeter positive lead to A5TP1102 (fig. 1).

k. Adjust A5R1104 (fig. 1) for a multimeter indication of +15.00 V dc 02 V (R).

Remove multimeter connections from TI.

m. Set cal/normal switch A9S1061 (fig. 1) to the cal position (down). TI display will

indicate DAC 0.