Denon PMA-925R - Method of Adjustments

Gg PMA-9S25F/725R
METHOD OF ADJUSTMENTS
DC Voitmeter
1U-2938
Main Unit
POWER
TP
CN302
TRANSFORMER
Or
a
A
é
POWER
TRANSFORMER
VR202 VR201 VR204 VR203
Balance Main Volume Bass Treble
IDLING CURRENT
e@ Setup
1.
Lay
the
unit
at
an
ordinary
position
away
from
a
direct
current
from
a
cooler
or
fan.
Do
the
adjustment
at
a
temperature
between
15°C
(59°F)
and
30°C
(86°F).
2.
Set
controls
as
follows.
POWER
SWITCH->
OFF
(a)
VOLUME
CONTROL-
fully
counterclockwise.
((’)
min.
(Main
Volume
VR201)
(VR202,
203
and
204
are
center
position.)
SPEAKER
Terminals—
open:
do
not
connect
the
speakers,
dummy
load
etc.
@ Confim
1.
Remove
Top
cover.
And
then
connect
DC
Voltmeter
to
Test
points
of
Main
Unit.
-
2. Connect Power cord to AC Outlet, and tum POWER Switch "on" (==) .
3. 10 seconds after check to see DC Voltmeter reading is 7 + 2mvV.
4. 2 minutes after re-check DC Voltmeter for 7 + 2mV reading.
12