Advertisement
[CHART 1]
No AC mains
(System controller)
Verify
that the power supply
cord is plugged in
correctly
Verify
that the AC main voltage
is as specified
Verify
that the AC main voltage
is fed to the switching
regulator
Remove CN133 and 134
from the MB-596 board
Verify that
the LED on the switching
regulator lights
The power supply load may be
short-circuited. Check the load
3-2
[Equipment] VOM
NO
YES
NO
YES
NO
YES
NO
*1
YES
Plug in the power supply
cord correctly
Verify that
NO
the LED on the front
panel lights
Feed the AC mains
as specified
Verify that
NO
the LED on the front panel
lights
Verify that harness and
connectors are in good shape
The switching regulator is
out of order. Replace it
*1 Be sure to check the two switching regulators
YES
YES
End
CSP-5000E
CSPK-5000E
Advertisement
Chapters
