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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
9þ
àC
9e
.'f
ÈF
9e
I
8
TMAINS
SOURCE (Connection
to
Mains
Source)
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