GE Vivid E9, Service Manual

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GE H
EALTHCARE
D
IRECTION
GA091568, R
EVISION
5 VIVID E9 S
ERVICE
M
ANUAL
5 - 52 Section 5-9 - Back End Processor (BEP)
Section 5-9
Back End Processor (BEP)
5-9-1 Purpose of this section
The BEP and its sub-modules acts as the VIVID E9’s central processor.
This chapter includes descriptions for the vital BEP modules.
5-9-2 Introduction
The Back End Processor is a computer, designed specially for the use in the VIVID E9 ultrasound
scanners made by GE.
The following BEP models have been used for VIVID E9:
• BEP6 was introduced in manufacturing in October 2012.
The BEP6 is also called BEPY3.
• BEP5 was introduced at the introduction of VIVID E9 and was phased out of manufacturing in
October-November 2012.
- BEP5 has also been called BEPY1 or BEPY2, depending on the installed System Software
version.
5-9-3 Signal Flow and Processing
The Back End Processor receives the data from the Front End electronics, stores it in memory, performs
scan conversion to pixel domain, and drives the system’s monitors.
Back End Processor software is also processing the Color Flow, Doppler, M-Mode data and the 3D/4D
data.