Denon POA-F100 - Adjustment Procedures; Idling Current Adjustment

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ADJUSTMENT
Idling Current
Required measurement equipment and tool: * DC Voltmeter
¢ Small screwdriver, 1mm width (—)
Preparation
(1)
Avoid
direct
blow
from
an
air
conditioner
or
an
electric
fan,
and
adjust
the
unit
at
normal
room
tempereture
15
°C
~
30
°C
(59
°F
~
86
°F).
(2) Presetting
@ POWER (Power sourse switch) — OFF
@
SPEAKER
(Speaker
terminal)
~
No
load
(Do
not
connect
speaker,
dummy
resistor,
etc.)
Note:
The following
adjustment
should
be
performed
from
the
foil
side
of
the
P.W.B.
Adjustment
(1) Remove top cover and set SR201, SR101, SR301 on Amp. Unit at the center position.
(2)
Connect
DC
Voltmeter
to
test
points,
Lch:
J173(-),
J166(+),
Reh:
J163(-),
J154(+),
Och:
J147(-),
J129(+).
(3) Connect
power
cord
to
AC
Line,
and
turn
power
switch
"ON".
(4)
Within
2
minutes
after
the
power
on,
turn
SR201
to
adjust
the
TEST
POINT
voltage
to
5.5
mV
+1.0
mV
DC.
(5) Adjust the
Variable
Resistors
of
other channels in
the
same
way.
AMP P.W.B.
‘to
J154 (+)
J173 (-) M1 ‘TH. J129 (+)
[1] ey ®
SR101
SR201 SR301
Power SW