GE Vivid S5 N, Service Manual

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GE
P
ART
N
UMBER
FN091065, R
EVISION
2 VS5 N
AND
VS6 N
S
ERVICE
M
ANUAL
Chapter 7 - Diagnostics/Troubleshooting 7-27
P R E L I M I N A R Y
7-4-1 Accessing the Front End Diagnostic Options
• In 2D-Mode, press <ALT +Config> on the alphanumeric keyboard. The Diagnostic Test window is
displayed, as shown in Figure 7-1 .
7-4-2 Calibration Tests
7-4-2-1 DC Offset Calibration
NOTE: When performing the DC Offset Calibration Test, always make sure that the cabinet cage assembly is
in the
CLOSED position.
NOTE: The DC Offset Calibration Test requires up to 10 minutes for completion.
NOTE: For a description of this test, refer to the information provided in “DC Offset Calibration” on page 7-12 .
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 Calibration in the list of Front End tests
available for selection from the Diagnostic Test Tree (see Figure 7-8 "DC Offset Calibration Test"
on page 7-27 ) and press Set . The DC Offset Calibration name is displayed under Calibration; the
relevant system components to be tested (in this case, all components) are highlighted light blue in
the Schematic View as shown below:
Figure 7-8 DC Offset Calibration Test
NOTICE
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.