GE Vivid 3N Pro Series Service Manual page 269

Table of Contents

FLA Jumper Switch

All the elements are connected through the transmit and receive jumpers. This test checks the jumpers

that connect the side elements to the center elements. During this test, every probe element transmits

and receives signals. The test has two phases, namely Open jumper test and Closed jumper test.

1) Connect the 10L (739L) probe and lock it in place.

Note: To avoid irrelevant failure results, it is imperative that only this probe is used and

that it be in good condition.

2) Access the F.B. tab of the FE Diagnostics dialog box, as described in

Board Assembly Options" on page

3) In the Select Socket area of the F.B. tab, trackball to the socket to which the 10L probe is connected:

4) Trackball to Pulser 1 (High Voltage Power Supply [HVPS] +/-80V) or Pulser 2 (Low Voltage Power

Supply [LVPS] +/-40V) and press Select.

5) Trackball to the FLA Jumper Test button and press Select. The open FLA jumper test is

performed, and the test results are displayed in the Report dialog box, as shown below:

Trackball to Left, Right or Center and press Select..

Figure 7-17 Report Dialog Box - Open FLA Jumper Test

Chapter 7 Diagnostics/Troubleshooting

7-3-8-1 "Accessing the Front