GE Vivid S5 N, Service Manual

Page: 425 / 834

GE
P
ART
N
UMBER
FN091065, R
EVISION
2 VS5 N
AND
VS6 N
S
ERVICE
M
ANUAL
Chapter 7 - Diagnostics/Troubleshooting 7-41
P R E L I M I N A R Y
7-4-3-4 RFI Analog Circuits Test (cont’d)
If the problem persists, this indicates that either the specific board you tested is faulty or that
another board that supports the operation of that board is faulty. Contact your local
GE HEALTHCARE field engineer for assistance.
11.)Trackball to the Exit button and press Set to close the View Test Log dialog box.
12.)Press the < Esc > button on the keyboard to close the Diagnostic Test Window .
7-4-3-5 RFI Demodulator Short Test
NOTE: For a description of this test, refer to the information in • "RFI Demodulator Short Test" 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 RFI Demodulator Short Test in the list of RFI tests
available for selection from the Diagnostic Test Tree (see Figure 7-18 "RFI Demodulator Short Test"
on page 7-41 ) and press Set . The RFI Demodulator Short Test name is displayed under Execute;
the relevant system component to be tested are highlighted light blue in the Schematic View (RFI),
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.
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.
Figure 7-18 RFI Demodulator Short Test