GE MEDICAL SYSTEMS
LOGIQ 200 PRO Series PROPRIETARY MANUAL
2242594
DIAGNOSTICS
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2--3--2 System Diagnosis (Continued)
TEST NAME: SCAN TEST
PURPOSE
LOGIQ 200 has 16 HVSWs which are able to muliplex 48 channels to 128 internal channels. The
purpose of SCAN test is to check the 128 internal channels.
Overviews
--.Before starting this test, Test pattern for OQCARD should be loaded in the L area of the test probe.
--.The focus position used this test is F2 and other focus numbers are not used here.
--.Because of the objective of this test, all of scanlines (128 scan lines) should be displayed.
--.The frame rate should be high.
Diagnosis
Condition
Probe Type
Linear Probe
Probe Name
Test Probe
Mode
Full B
Depth
4cm (TX scan ranges = 0--510)
Focus Number
Single
Focus Position
2
Frame Rate
high
Freeze/Melt
Melt
Procedure
Diagnisis_Scan Test
Save the current console parameters.
Change console parameters according to above.
Wait for exit command (Ctrl+X).
Restore console parameters.
Result code
Checked
Decision
Confirm that some black lines appear or not.
If 2 or 3 black lines appear and its interval is 3/8 of image width, TBF is failed. Otherwise, in appearance of
black lines, SCAN assy has defects.
The following Assemblies are necessary for this test
BPHV, PROBE, RBF, TBF, SCAN, MVP, MSTE, Monitor
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