GE H
EALTHCARE
D
IRECTION
FQ091013, R
EVISION
1
V
IVID
I
N
AND
V
IVID
Q
N S
ERVICE
M
ANUAL
7-28
Section 7-4 - Performing Front End (FE) Diagnostics
7-4-2-2
DC Offset Verification
NOTE:
For a description of this test, refer to the information provided in
DC Offset Verification on page 7 - 11
.
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
DC Offset Verification
in the list of tests available for
selection from the Diagnostic Test Tree (see
) and press
Set
. The DC Offset
Verification name is displayed under
Execute;
the relevant system components to be tested are
highlighted light blue in the Schematic View (PM, TR32 and RFI boards), 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.) Under the
Special Instructions
area, activate the
Loops
checkbox
and select the required number of
Loops
from the combo box.
4.) 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.
5.) Trackball to the
Start
button and press
Set
.
The DC Offset Verification Test commences. While the test proceeds, the name of the test currently
in progress (DC Offset Verification) 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.
Figure 7-9 DC Offset Verification Test
Summary of Contents for Vivid in
Page 2: ......
Page 30: ...GE HEALTHCARE DIRECTION FQ091013 REVISION 1 VIVID I N AND VIVID Q N SERVICE MANUAL xxviii...
Page 739: ......
