DOM MB Diagnosis page

Board ID:

Rev 5.0 SN 00401

Source:

From STF testing crew August 24, 2004

Symptoms:                            

Fails Local Coincidence Loopback tests

Analyst(s):

G. Przybylski

Analysis Procedure(s):

Ran lctestboth in loop. Discovered faulty waveform at Z1-1. 
Lifted T1-3, and installed dummy load on Z1-1. Ran lctestboth in loop. Waveforms Normal
T1 apparently shorted on primary side.

Root cause:

Faulty matching transformer

Mitigation:

Removed and replaced faulty part. (forwarded to Helen 9/15/04 gtp)

Disposition:

Mainstream this board.

Any Other Information:

Travler