GE LOGIQ 200 Quality Assurance Manual page 159

GE MEDICAL SYSTEMS
REV 0
2--3--2 System Diagnosis (Continued)
TEST NAME: TBF TEST
PURPOSE
To check the external 48 channels and each preamplifier.
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 F0 and F1 and other focus numbers are not used here.
--.Because of the objective of this test, 48 scanlines whose range is 156 to 344 should be displayed.
--.The frame rate should be high.
Diagnosis
Condition
Probe Type
Probe Name
Mode
Depth
Focus Number
Focus Position
Frame Rate
Freeze or Melt
Procedure
Diagnisis_TbfTest
Result code
Decision
If both colors of F0 and F1 are white, both of TxDriver and Preamplifier has no problem.
If color of F0 is white and F1 is black, TxDriver is O.K but preamplifier is failed.
If both color of F0 and F1 are black, TxDriver is failed but Preamplifier is O.K.
The following Assemblies are necessary for this test
BPHV, PROBE, RBF, TBF, SCAN, MVP, MSTE, Monitor
Linear Probe
Test Probe
Full B
4cm (TX scan ranges = 160 to 348)
Single
0 or 1
high
Melt
Save the current console parameters.
Change console parameters according to above.
Wait for exit command (Ctrl+X).
Restore console parameters.
Checked
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LOGIQ 200 PRO Series PROPRIETARY MANUAL
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DIAGNOSTICS