DOM MB V5.1 Diagnosis page

Board ID:

V5.1 001492

Step:

Vendor: Room Temperature STF test

Symptoms:

April 19, 2005, ATWD Pulser sweep and 40pe pulse Chip B failures
See failures

Analyst(s):

G. Przybylski

Analysis Procedure(s):

5/6/05: Confirmed STF test failures. Examined graph1 and graph2. Concuded that ATWD B faulty

Root cause:

ATWD B bad linearity on multiple channels.  Probable current source problem..

Mitigation:

Replaced ATWD B, retest and mainstream

Disposition:

Pending repair

Any Other Information:

Traveler April 19, 2005