GE Vivid 7, Service Manual

Page: 377 / 858

GE H
EALTHCARE
D
IRECTION
FC091194, R
EVISION
11 V
IVID
7 S
ERVICE
M
ANUAL
Chapter 5 - Components and Functions (Theory) 5 - 31
5-3-14 Receiver Board, RX-128 (cont’d)
5-3-14-5 DC Voltages
5-3-14-6 Input Signals
5-3-14-7 Output Signals
5-3-14-8 Fuses
None
5-3-14-9 Jumpers and Dip-switches
None
Table 5-20 DC Input Voltages, Plug P3 & P4
INPUT DESCRIPTION CONNECTED TO
+ 5 Va
DC output voltage, distributed via Motherboard
(Backplane).
The “a” indicates that this voltage is used for analog circuits
DC Power Supply via Backplane
- 5 Va
DC output voltage, distributed via Motherboard
(Backplane).
The “a” indicates that this voltage is used for analog circuits.
DC Power Supply via Backplane
+15 V DC output voltage, distributed via Motherboard (Backplane) DC Power Supply via Backplane
- 15 V
DC output voltages, distributed via Motherboard
(Backplane)
DC Power Supply via Backplane
GND Distributed via Motherboard (Backplane) DC Power Supply via Backplane
Table 5-21 Input Signals
INPUT DESCRIPTION CONNECTION FROM
XD1 - XD128
Signals containing the received back-scattered echoes
from the active probe.
Active Probe > Relay Board > XD Bus
Boards > RX128 board
PEDOF
Signals containing the received back-scattered echoes
from PEDOF probe
Pedof probe > Relay Board > XD Bus
Boards > RX128 board
ATGCVP/ATGCVN TGC Control Voltages
FEC Board/RFI Board > FE Bus >
RX128 board
Test SIG Analog test signal
FEC Board/RFI Board > FE Bus >
RX128 board
Table 5-22 Output Signals
OUTPUT DESCRIPTION CONNECTION TO
RX1 - RX128 128 RX signals (echoes) Beam Former Boards via Backplane