Technical data

Fault Isolation 4-67
Table 4-19. Power-On LED Circuit FRU Pin Numbers
To Check This FRU Check for Continuity Between
These Two Connectors
FRU
CPU Board
Cable from LED Board to CPU Board
LED Board
CPU Board
Cable from LED Board to CPU Board
LED Board
Connector Pin to Connector Pin
J004 9 J001 4
J001 4 J001 4
J001 4 J002 1
To LED Register
On CPU Board
J001 14
J001 14
J001 14
J001 14
J002 2
end of procedure