GE M
EDICAL
S
YSTEMS
D
IRECTION
2300164-100, R
EVISION
7
V
IVID
™ 3 P
RO
/V
IVID
™ 3 S
ERVICE
M
ANUAL
Chapter 5 - Components and Function (Theory)
5-7
Section 5-4
Front End
5-4-1
General Information
The Front End includes all the boards in the Front End Card Cage, as follows:
•
Front End Board
•
MUX Board
•
BF64 (Beamformer Board)
•
RFI (Radio Frequency Interface Board)
OR
*
FEC (Front End Controller Board)
*
RFT (Radio Frequency & Tissue Board)
*
IMP2 (Image Port 2)
The Front End Crate includes five (or seven) components, as described in the following sections:
•
Front Board Assembly (FB)
on page 5 - 16.
•
MUX Board
on page 5 - 18.
•
Beamformer Board (BF)
on page 5 - 19
•
Radio Frequency Interface (RFI) Board
on page 5 - 20
OR
*
Front End Controller Board (FEC) (RFT)
on page 5 - 23.
*
RF and Tissue Processor Board (RFT)
on page 5 - 24.
*
Image Port Board (IMP)
on page 5 - 25.
•
Back Plane Board (Motherboard)
on page 5 - 25.
Note:
The VIC Board is located inside the VIC Assembly Unit and is not part of the Front End Crate,
but rather a part of the Back End Processor. The VIC Board is described in detail in the
Back
End Processor
section, page 5-26.
A block diagram of the Front End Crate is shown in the following figures:
Systems with
RFI
Configuration - see
Figure 5-1
on page 5-8.
Systems with
RFT
Configuration - see
Figure 5-2
on page 5-9.
For a detailed description of the Front End Crate components, refer to
Front End DC Power Distribution
on page 5 - 47.
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