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Ss
ECTION
9
POWER
SUPPLY/SYSTEM
CONTROL
ALIGNMENT
[Equipment
Required]
*DC
Voltmeter.
9-1.
DC
VOLTAGE
REGULATOR
(UR-21)
ADJUSTMENT
Load
for
adjustment
+12V :CN251-5,6/UR-21,
2.40 80W
—12V : CN251-7/UR-21,
6.20 30W
+5V :CN201-1,2/UR-21,
1.20 30W
—5V :CN201-7/UR-21,
20 15W
Connector
Panel
o Jol °
+12ADJ
CO
+5ADJ
©
—5ADJ
O
—12ADJ
O
o Jo. °
Switching
regulator
UR-21
machine
conditions
for
adjustment
spec.
adjustment
«Remove
the power
panel
on the
connector
panel.
*Remove
the
switching
regulator
connectors
(CN430,
431
and
432)
from
the
main
unit.
¢ Attach
the
load.
*Connect
the
AC
connector
and
turn
on
the
power.
¢ Using
an
alignment
tool,
adjust
the voltage
from
the outside
of
the
switching
regulators
outer
cabinet.
(NOTE)
After
the
voltage
is
stabilized,
adjust
quick-
ly
in
short
time.
¢ After
the
adjustment
is complet-
ed,
install
the
switching
regula-
tor
and
power
panel.
°+12V
adjustment
+12.1+£0.1Vdc
switching
regulator
@RV51/UR-21-C2
*—12V
adjustment
—12.140.1Vdc
switching
regulator
@RV251/UR-21-M2
*+5V
adjustment
+5.1+£0.1Vdc
switching
regulator
@RV51/UR-21-Cl
« —5V
adjustment
—5.1+0.1Vdc
switching
regulator
@RV201/UR-21-M1
9-1
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