TB 9-6625-2249-24
11. Power Supply
NOTE
Do not perform power supply check if all other parameters are
within tolerance.
a. Performance Check
(1) Press TI LINE switch to off position.
(2) Perform (a) through (c) below to remove top cover case from TI.
(a) Remove screw from rear cover-strip of carrying handle.
(b) Slide top cover back to expose the cover's front edge.
(c) Lift top cover off TI.
(3) Press LINE switch to on position and allow TI to warm-up for 30 minutes.
(4) Connect multimeter (dc mode) negative lead to A5TP1 (fig. 6) and positive lead
to A5TP5 (fig. 6). If multimeter does not indicate between 4.999 and 5.001 V dc, perform b
(1) below.
Figure 6. Power supply - adjustment locations.
(5) Connect multimeter positive lead to A5TP6 (fig. 6).
If multimeter does not
indicate between 7.999 and 8.001 V dc, perform b (2) below.
(6) Connect multimeter positive lead to A5TP3 (fig. 6).
If multimeter does not
indicate between 14.999 and 15.001 V dc, perform b (3) below.
(7) Connect multimeter positive lead to A5TP2 (fig. 6).
If multimeter does not
indicate between -14.999 and -15.001 V dc, perform b (4) below.