DOM MB V5 Diagnosis page

Board ID:

V5 000353

Source:

George Chao

Symptoms:                            

Slow (Sin wave) clock signals absent from both ATWD A and B ch 3 mux 0

Analyst(s):

G. Przybylski

Analysis Procedure(s):

Probed for oscillator waveform at U60-1, and TP38. No waveform observed.
Probed L14. Some waveform there.
Discovered L13 missing; apparently knocked off during handling.  Some minor 'damage' on pad of C447.

Root cause:

Missing component.

Mitigation:

Replace, test and mainstream.
Should bring this to the attention of the board loader.

Disposition:

Mainstream

Any Other Information:


Traveler

Missing L13

minor damage to pad C447