Denon AVR-900 Service Manual

SRS
a
eee
AE
-DO
Ee
@ AUDIO SECTION
Idling Current (1U-2865-1)
Required measurement equipment: DC Voltmeter
Arrangement
(1)
Avoid
direct
blow
from
an
air
conditioner
or
an
electric
fan,
and
adjust
the
unit
at
normal
room
temperature
15°C
~
30°C.
(59°F
~
86°F).
(2) Presetting
@ POWER (Power source switch) ~ ON
@ MODE (Mode buttton) — STEREO
@ FUNCTION (Function button) ~ CD
@ VOLUME (Volume control) — 0: fully counterclockwise ( (© min.)
@ BASS, TREBLE (Tone control) ~— 0: (Controls to center)
@
SPEAKERS
(Speaker
terminal
)
—
No
load
(Do
not
connect
speaker,
dummy
resistor,
etc.)
Adjustment
(1)
Remove
top
cover
and
set
VR401,
VR301
and
VR302
of
1U-2865-1
or
1U-2865A-1
(Main
Unit)
at
counterclockwise
fully.
(2)
Connect
DC
Voltmeter
to
test
points
(Lch
T.P.301,
Reh
T.P.302,
CENTER
ch
T.P.401).
(3) Connect power cord to AC Line, and turn power switch "ON".
(4)
Allow
15
minutes,
and
tum
VR301,
VR302
and
VR401
clockwise
(
“
)
and
adjust
the
TEST
POINTS
voltage
to
1.5
mV
+0.5
mV
DC.
(5)
After
2
minutes
from
preset,
turn
VR301,
VR302
and
VR401
to
set
the
voltage
to
3
mV
+
0.5mV
DC.
PUNTO. |
U.S.A. and CANADA 1U-2865
EUROPE, U.K., Asia 1U-2865A
1U-2865-1 Main Unit (Component Side)
DC Voltmeter
1U-2865
TP401 VR401
S
oe
4
TP301 VR301 VR302 TP302
ial RC)

Denon AVR-900 Specifications

General

Input sensitivity	2.5mV (MM), 150mV (line)
Output	150mV (line)
Tuning range	FM
Signal to noise ratio	86dB (MM)
Speaker load impedance	16Ω