Pioneer A-505R Service Manual

5.
ADJUSTMENTS
1)
IDLE
CURRENT
ADJUSTMENT
1.
Connect
the
measuring
instrument as
Fig.5-1.
(R413 orR4I4)
2. Set
the
VOLUME
CONTROL
to minimum,
BASS
TONE
CONTT^OL
to
center,
TREBLE TONE CONTROL
to center,
BALANCE CON-
TROL
to
center and
REC
SELECTOR
SWITCH
to
off. Set
VR301
and
VR302 to minimum.
3. Set
the
POWER
switch
to
ON.
4.
Adjust
VR301
(VR302)
so
that the
voltage
between
both
sides of
R413 (R4I4)
becomes
16mV±lmV.
(Within 10 seconds
from
when
the
relay
is
turned
ON)
5. Ages for
7
minutes.
6. Adjust
VR301
(VR302) so
that
the
voltage
between
both
sides of R413 (R414) becomes 1
lmV±lmV.
Fig.5-1
Adjustment Method

Pioneer A-505R Specifications

General

Brand	Pioneer
Model	A-505R
Category	Amplifier
Language	English