Noise; Noise - Board Tested/Required Matrix For Diagnostics - GE LOGIQ E9 Service Manual

D 5180483-100, R
IRECTION
7-5-12-26

Noise

Table 7-37
Line
1
Line
1
7 - 108
PROPRIETARY TO GE
. 7
EV
Noise
Name: Description:
Measures the noise floor of
the System. The entire system
is required for this diagnostic.
Noise Floor Test
The noise floor is calculated
from IQ data received without
a signal source.
Table 7-38

Noise - Board Tested/Required Matrix for Diagnostics

"GTX
GRLY MRX (slot2)
T R
Section 7-5 - Common Service Desktop
Run Time:
00:02
FRU - T = Tested / R = Required
"GTX "GTX
(slot3)" (slot4)" PD Processor
R
LOGIQ E9 P
ROPRIETARY
If this test failed:
1.) See:
7-9-2 "Noise" on page 7-195
on minimizing environmental noise. If the problem
continues:
2.) Try a new probe (channels in the probe may be
faulty). If the problem continues:
3.) Run the tests for Analog Receive
"Front
Plane
Upper FREY
Back End and Back
Lower" Plane
R R
S M
ERVICE ANUAL
for information
"Main
"Fan Power
Tray" Supply"
R