GE GA000100, Service Manual

Page: 218 / 802

GE H
EALTHCARE
D
IRECTION
GA091568, R
EVISION
5 VIVID E9 S
ERVICE
M
ANUAL
5 - 28 Section 5-8 - Front End Processor (FEP)
5-8-1-2 FEP’s Location in the Unit
The FEP is located on the right side of the system, behind the Right Side Cover.
5-8-1-3 Input DC voltages
These voltages comes from the Main Power Supply.
• + 24 VDC
• +/- 6 VDC
• +/- 15 VDC
5-8-1-4 Input Pulser voltages
• TSV1P: 0 VDC to +95 VDC
• TSV1N: 0 VDC to -95 VDC
• TSV2P: 0 VDC to +95 VDC
• TSV2N: 0 VDC to -95 VDC
These voltages comes from the Main Power Supply.
5-8-1-5 Input signals
• RX signals from probes
• BEP to Card Rack Backplane Cable
- +5VDC (to GFI)
5-8-1-6 Bidirectional signals
• PCI Express cable
- control signals from the BEP
- digital data to the BEP
• BEP to Card Rack Backplane Cable
- I
2
C bus
- BSCAN
5-8-1-7 Output signals
• TX signals to probes
• BEP to Card Rack Backplane Cable
- GFI audio (to BEP)