GE H
EALTHCARE
D
IRECTION
FC091194, R
EVISION
11
V
IVID
7 S
ERVICE
M
ANUAL
5 - 18
Section 5-3 - a Front-End Processor (FEP)
5-3-10-8
Test points on the TX128 board
NOTE:
The Voltages on these test points are approximately one tenth (1/10) of the TX Voltages used
by the transmitter circuits. (The exact [calculated] value is 10/101). The measured values
depends on selected scanning mode and the Acoustic Power adjustment.
Figure 5-13 TX128 Board: Test points
Table 5-8
Test points on the TX128-5 Board
TESTPOINT #
DESCRIPTION
TYPICAL VALUE
TP11
HV1+ /10
B0.25 VDC and +9.5 VDC
TP12
GROUND
0 VDC
TP13
HV1- /10
Between -0.25 VDC and -9.5 VDC
TP14
HV2- /10
Between -0.25 VDC and -9.5 VDC
TP15
HV2+ /10
B0.25 VDC and +9.5 VDC
TP12
TP14
TP15
TP11
TP13
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