Power supply

Figure 5. Adjustment locations-test instrument top view.

(3) Set TI CALIBRATE switch to 2 MHz. If

(2) Connect digital voltmeter to TI A4TP1. If

electronic counter does not indicate between 1,9999

digital voltmeter does not indicate between -14.98 and

and 2.0001 MHz, perform b below.

-16.02 V dc, perform b(2) below.

(3) Connect digital voltmeter to TI A4TP3, Digital

(4) Install TI top cover.

b. Adjustments Adjust A3C19 (fig. 5) to obtain an

voltmeter will indicate between 4.7 and 5.3 V dc.

b. Adjustments (fig. 5)

indication on electronic counter between 1.9999 and

2.0001 MHz.

(1) Adjust A4R5 for an in-tolerance indication.

(2) Adjust A4R8 for an in-tolerance indication.

13. Final Procedure. a. Deenergize and disconnect

Do not perform power supply check if all other

all equipment and install TI protective cover.

b. In accordance with T 38-750, annotate and

parameters are within tolerance.

a Performance Check (Fig. 5)

affix DA Label 80 (US Army Calibration System).

(1) Remove TI top cover and connect digital

When the TI cannot be adjusted within tolerance, an-

voltmeter (A2) to TI A4TP2. If digital voltmeter does

notate and affix DA Form 2417 (Unserviceable or

not indicate between 14.98 and 15.02 V dc, perform

Limited Use) tag.

b(1) below.