GE
D
IRECTION
FQ091019, R
EVISION
2
V
IVID Q
N S
ERVICE
M
ANUAL
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
) 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.
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
