GE MEDICAL SYSTEMS
D
IRECTION 2300164-100, REVISION 7 VIVID™ 3 PRO/VIVID™ 3 SERVICE MANUAL
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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