GE Vivid E9, Service Manual

Page: 225 / 802

GE H
EALTHCARE
D
IRECTION
GA091568, R
EVISION
5 VIVID E9 S
ERVICE
M
ANUAL
Chapter 5 - Components and functions (theory) 5 - 35
5-8-3-2 Location in the Unit (cont’d)
5-8-3-3 Input DC Voltages
The voltages are delivered from the Main Power Supply.
• +24 VDC
The +24 VDC voltage is used to ge 3.3 VDC, + 2.5 VDC, and several other voltages,
internal on the card.
• + 6 VDC
• +/- 15 VDC
5-8-3-4 Input TX (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
5-8-3-5 Outputs
• Pulses sent via the Front Plane to the selected probe.
Figure 5-21 GTX TLP-192 board location - 192 TX channels (introduced 2011)
CW PROBE
CONNECTOR
DC VOLTAGES
TX (PULSER) VOLTAGES
TO/FROM
BACK END PROCESSOR
OPTIONAL
VPD
DR
X
GT
X
-TLP-192
GRX - 128 RE
LA
Y
GRX - 64 NO
T USED
NO
T USED
NO
T USED
DR
X
DR
X
DR
X
GFI
GFI AUDIO
BOUNDARY SCAN
+5VDC
MAIN
POWER
SUPPLY
B A C K P L A N E
FRONT PLANE (TRANSDUCER BUS BOARD)
FRONT OF
VIVID E9