Toshiba STRATA DK24 Manual page 588

STRATA DK FAULT FINDING
SECTION 200-096-500
FEBRUARY 1991
CHART NO. 5
CO LINE FAULTS (cont.)
Remove all
PCBs from the
KSU except:
* PCTU
. PEKU (PESU) (PDKU)
NOTES:
1. Perform the initialization
Reinstall PCBs
one at a time.
If troubles occur,
replace suspected PCB.
l-----i
Tag the
defective unit(s)
and return for
repair.
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