GE HEALTHCARE
DIRECTION FQ091013, REVISION 1 VIVID I N AND VIVID Q N SERVICE MANUAL
7-64 Section 7-4 - Performing Front End (FE) Diagnostics
7-4-5-2-2 ACW Matrix Test
NOTE: For a description of this test, refer to the information in ACW Matrix Test on page 7 - 13.
NOTE: When performing this test, no probe should be connected to the system and nothing should be touching
the probe connectors!
1.) In the Diagnostic Test window, trackball to ACW Matrix Test in the list of ACW tests available for
selection from the Diagnostic Test Tree (see Figure 7-37 below) and press Set. The ACW Matrix
Test name is displayed under Execute; the relevant system components to be tested are
highlighted light blue in the Schematic View (P&M), as shown below:
2.) As indicated in the Special Instructions area, disconnect any probes currently connected to the
system and make sure that nothing is touching the probe connectors.
3.) Adjacent to On Fail, select either Stop or Continue, as required. Stopping on failure enables you
to review a failed test, the moment it fails. Alternatively, you may prefer testing to continue on failure
and later you may review the report.
4.) Trackball to the Start button and press Set.
The ACW Matrix Test commences. While the test proceeds, the name of the test currently in
progress (ACW IQ Symmetry Test) is displayed in the Execute field and the current Loop # and
specific test are shown below. The messages Init Done and Please Wait are displayed beside the
progress bar in the Status area.
NOTICE
IMPORTANT In order to access an individual board test, it is necessary to insert the service dongle from
system boot-up and enter the Service Password.
It is necessary to disable the Loop option where it should not be used.
After performing this test, you must re-boot the system and perform the DC Offset Calibration procedure
as described in DC Offset Calibration on page 7 - 25.
Figure 7-37 ACW Matrix Test
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