Probe And Mux Diagnostic Tests - GE Vivid i n Service Manual

GE H
EALTHCARE
D FQ091013, R
IRECTION
7-4-5

Probe and MUX Diagnostic Tests

7-4-5-1 Accessing the Probe and MUX Diagnostic Test Options
• Access the Diagnostic Test window, as described in the Accessing the Front End Diagnostic
Options section, on page 7-25.
7-4-5-2 ACW Test
7-4-5-2-1 ACW IQ Symmetry Test
NOTE: For a description of this test, refer to the information in
IMPORTANT In order to access an individual board test, it is necessary to insert the service dongle from
NOTICE
system boot-up and enter the Service Password.
NOTE: When performing this test, no probe should be connected to the system and nothing should be touching
the probe connectors!
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
1.) In the Diagnostic Test window, trackball to ACW IQ Symmetry Test in the list of ACW tests
available for selection from the Diagnostic Test Tree (see
ACW IQ Symmetry 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:
1
EVISION
DC Offset Calibration on page 7 -
Figure 7-35 ACW IQ Symmetry Test
Chapter 7 - Diagnostics/Troubleshooting
V
IVID I N AND
ACW IQ Symmetry Test on page 7 -
25.
Figure 7-32
V N S M
IVID Q ERVICE ANUAL
12.
below) and press Set. The
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