GE MEDICAL SYSTEMS
D
IRECTION 2392751-100, REVISION 3VIVID™ 4 SERVICE MANUAL
7-28 Section 7-3 - Performing Front End (FE) Diagnostics
Figure 7-15 F.B. Tab - FE Diagnostics Dialog Box (RFT Configuration)
3) Trackball to the following buttons (in the order shown) and press Select:
a.) Transmit Test: Checks the FE pulsers via the probe elements, as described in theTransmit
Test section, on page 7-29.
b.)
Receive Test: Tests each amplifier output against the predefined output level, as described
in the Receive Test section, on page 7-35.
c.) TR Switch Test: Checks the transmit switches, as described in the TR Switch Test section, on
page 7-39.
d.) FLA Jumper Test: Checks the jumpers that connect the side elements to the center elements,
as described in the FLA Jumper Switch section, on page 7-31.
e.) Pencil Probe Test: Checks the transmitting channels associated relays to the pencil probe
port, as described in the Pencil Probe Test section, on page 7-41.
f.) Port Test: Checks general logic control and ports logic, as described in Port Test section, on
page 7-45.
g.) RAM Test: Checks the RAM that stores the delays for the transmitted ultrasound signals to
the form focal beam, as described in the RAM Test section, on page 7-46.
Data Flow Map
Test Description Area
Test Area
Comment Area
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