GE LOGIQ E9 - Page 304

GE
D
IRECTION 5535208-100, REV. 2 LOGIQ E9 SERVICE MANUAL
7 - 56 Section 7-5 - Common Service Desktop
7-5-8-8 Analog Receive (cont’d)
Name: Analog RX Test (Low Gain)
Description: Signal path test of the GRX boards with a TGC set to low gain.
Run Time: 00:02
If this test failed:
1.) Swap DRX boards to determine if the failure point changes as the boards are moved.
NOTE: A block of 8 dead channels indicates a failed DRX board.
2.) Replace any failed boards.
3.) Replace GRX boards (these cannot be swapped as one is 64 channel and one is 128 channel).