Analog Rx Signal Path - GE LOGIQ E9 Service Manual

D 5180483-100, R
IRECTION
7-9-19-2 Analog Receive Signal Path and Analog Rx Path (cont'd)

7-9-19-2-1Analog Rx Signal Path

...
Analog Rx Tests (High, Medium and Low)
• Test signal generated on GFI, and injected into GRX.
• Tests frequency, amplitude, SNR, THD.
• Reports failures at channel level.
Test both GRX Boards and A/D Converter on DRX Boards.
PROPRIETARY TO GE
. 7
EV
Figure 7-184 Analog Rx Signal Path
GRX64 Ch
GRX128 Ch
192
aTGC aTGC
Chapter 7 Diagnostics/Troubleshooting
DRX 64
DRX 64
DRX 64
Nathan
A/D
0
Nathan
1
Nathan
2
Nathan
A/D
3
GDIF
LOGIQ E9 P
ROPRIETARY
GFI
FDEM SDEM
BEP
ATGC T_sig
S M
ERVICE ANUAL
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