Operation Manual

speakers
are out
of
phase.
Should
thìs occur, turn off the
receiver and
carefully
reverse the connections at
either one
of
the
speaker
TURNTABLES/TAPE
R ECORDERS.DECKS
AUTOMATIC AND MANUAL
TURNTABLES
The
R 1500 has 2
provisions
for
connection
of two turn-
tables. Check the
cartridge manual or
your
dealer, if in
doubt about the
proper
input
for
the
particular
cartr¡dge
in
your
turntable.
As
mentioned under POWE
R R E-
OUIREMENTS AND ÍVIAINS CONVENIENCE
OUT-
LETS,
(see
page
6
),
the turntable's
mains cord can be
connected to the
convenience outlet on the rear of lhe
R-1 500.
TAPE RECORDERS AND DECKS
Tape recorders can be connected to
record and
playback
through the
R-1 500 by two nlethods: standard
jacks
and
special DIN type
connector on the rear
panel.
See
page
1
1
for
tape
connect¡ons of all types. For additional informa-
tion
see
the manual of
your
tape
machine
of
consult
your
dea ler.
FOR CORRECT
PLAYBACK
TINPUTS
(Connectìon
of
input
Equipments)
Check
f irm connection
to the receiver's
input
terminals
of
output terminals
of
record
players,
tape-recorders
etc. lf
no
playback
sound
comes
from speaker
systems,
the
receiver may be, at
first,
suspected
to be
defective,
so
be
sure about
firm connection
between
arm and
cartridge
and
also
firm
fixture
of
cartridge to the
shell.
¡OUTPUTS (Connection
of Speaker
Systems)
Check
firm connection
between
receiver and
speakers.
The
right-hand speaker
viewed
from the
l¡stener's
position
must
be
connected to
the
"RlGHT"
terminals
of
the
receiver,
while
the left speaker
to the
"LEFT"
terminals.
Be careful
about
the
matching
phase
of left and
right
speakers.
lf
mismatched,
playback
sound does
not
come
from
the
centre of both
speakers
even if the
mode selector
¡s set at
the
"l\4ONO"
position,
and
in the
case of
stereophonic
playback,
faìthful reproduction
ìn low
frequency
range
cannot be
expected.
Be sure
that the
speaker
selector
switch
corresponds
to the
speaker terminals
to wh¡ch
the
speaker
is
connected.
Check
whether the
mains
plug
of receiver
is
firmly con-
nected
to the
mains
power
source, and
whether
the dial
scale
lights up when
switched
on.
ln case the
dial scale
does
not
light up
even if the
electricity
is fed
to the
receiver,
check whether
the
mains
fuse is blown.
Affirma-
lively
change
the fuse ascertaining
the
real
cause of blow
and
giving
necessary
treatment.
Replacement
of
fuse must
be done
after the
mains cord is
unplugged
from the
mains
power
supply
point.
IINPUT
SELECTOR
SWITCH
Check
correct
positioning
of the
switch
corresponding
to
the input
terminaìs
(PHONO,
AUX)
to which
input
equip-
ments are
connected,
ITAPE
DUBBING
SWITCH
Except for tape
dubbing
(reprint)
this switch
should be
set
at
the
"source"
position.
ITAPE
MONITOR
SWITCH
For normal
playback
never
fail to
set th¡s
switch at
the
"source"
position.
Playback
with
tape-recorder
is
feasible
with
this
switch
at
"deck-1"
or
"deck-2"
corresponding
to
the tape-monitor
terminal
to which
the
tape-recorder
ls
connected.
But
for reproduction
through
tape connector
the
setting
of tape-recorder
selector
switch
should be at
the
position
of
"deck-1 ".
IVOLUME
CONTROL
Full turn
of this
knob
to the
counter-clockwise
direction
yields
no sound.
Turn
to the
clockwise
direction and
enjoy
playback
at an
appropriate
volume.
Also adjust
unbalanced
volumes between
right
and left
channels. Usually
lhis
knob
is set at the
same
volume
level
for stereophonic
reproduc-
tron.
IANTENNA
For satisfactory
playback
of FM and
AM connect
an
appropriate
antenna
to
the antenna
terminal'
¡MODE
SELECTOR
This
switch
is
to select
the mode
of
reproduction'
For
stereophonic
reproduction
set
at the
position
of
"STEREO",
otherwise
stereophonic
reproduction cannot
be
obtained
even if input
signal
is stereophonic.
When
programme
source is
reversely
connected,
set at the
position
of
"REVERSE"
to obtain
appropriate
stereo
reproduction.
BLOCK
DIAGRAM
I
I
AUDIO SECTION
3 STAGE
NPN.PNP.NPN
fow
Nor_sE
FHoNo.PAF
ÂMÞ
'
Mrc
STEFEO
LOUDN€S
a
i:-\<:,¿-
7-
--
ÀloNrToR
FACtLtTtES
9
Iæ.1æ
voLls
è
I
ç
e
SOPPLY
FOR
TUNER
0
0[
RF
SECTION
I
SIGNAL SIFENCIH
MÛEN FOF
FM
E AM
TUNING
MEIER
ÈF
àC
9e
.'f
ÈF
9e
I
8
TMAINS
SOURCE
(Connection
to Mains
Source)