Advertisement
"L3BUS NG" is displays.
"L3BUS OK" appears when the unit enters Service mode.
Solder pins © to © of Q501 (DRP).
YES
Solder pins ® to © of Q551(SFC).
Enter Service mode (see "How To Enter Service Mode"
on page 79).
YES
i s
parler
"SFC OK" displayed?
"SFC NG" displayed?
me ee
YES
Solder pins @ to @ of QA01 (DAIO).
Enter Service mode (see "How To Enter Service Mode"
on page 19).
:
YES | DAIO (QA01) or its peripherai
DAIO OK" displayed?
DAIO NG" displayed?
logic is defective.
YES
The clock lines connecting to DRP, SFC and DAIO
are all normal.
DRP (Q501) or its peripheral
logic is defective.
LAG =
PCS 79 286
Advertisement
