TROUBLE SHOOTING
N
o
p
il
ot
l
a
m
p I
n
c
l
l
ca
t
i
on
,
no so
u
nd a
lthough
AC
i
s s
w
it
c
h
c
l
N
.
Poor AC plu
g
c
on
n
ect
i
on.
B
lo
w
n
fus
e
.
Check
plu
g c
ontact.
Replace
f
use
.
If
i
t
b
low
s
agai
n
,
t
rouble
must
be
correcte
d
.
No s
o
und
ca
n b
e
heard
f
r
om
the
FRONT side
l
o
r 4
-
c
han
nel
r
e
product
i
on.
T
he rea
r s
ou
nd
l
e
vel is lowere
d
when the MO
D
E
witc
h
i
s
s
e
t to RM.
No
is
e w
h
e
n AC is s
w
itched
ON o
r
when volum
e
is
a
d
j
u
s
t
ed
immediately
after
.
Un
ba
l
a
nce
r
e
sult
s
when
volum
e
i
s lowe
r
ed
.
I
nterm
itten
t
sp
eak
er
respon
se
a
t
4
seconds
interva
ls
.
Di
f
fere
nce
in volume
level
o
f r
a
dio
a
nd
phon
o
.
Check
c
onn
ec
ti
o
ns
fro
m
amp.
ou
t
p
ut
to
spe
a
kers.
Push
IN
th
e
s
pe
a
k
er
b
ut
t
on
whi
c
h
acti
vate
s
t
h
e
speaker
sy
s
t
e
ms
d
e
sir
ed
.
Set to
approp
r
i
a
te
v
o
lum
e
l
e
v
e
l.
Always
s
e
t to OFF excep
t
w
he
n
usin
g
tape
recor
d
e
r.
Che
c
k
a
mp
.
output
a
nd
s
pe
ak
er
c
onne
ctions
.
Adjust
BALANCE control.
Change
the
c
onnect
i
on
to
the
FRONT
ter
m
i
na
l
s
of
the
AUX
or
T
APE.
For 4-channel
st
ereo
r
ep
r
oduction
through
the regu
l
ar
m
a
trix
circuit
,
use the
2
-channel
prog
r
am
source
.
Allow
5
-
6 seconds
int
e
rv
a
l
after
sw
i
tchin
g
AC ON
,
before
manipulating
volume
c
ontrol.
Adjust
BALANCE control.
Check
sp
ea
ker
cord
connection
s.
N
un
ci
f
r
om
LE
FT
a
nd
RIG
HT
,
F
RONT
a
n
d
Hl
l
\l
t
Spe
a
k
e
r
c
o
rds
d
is
c
onnec
t
e
d.
S
PEAKERS b
u
t
t
on
s
OFF (button
release
)
.
VOLUME
Con
t
rol
a
t 0 (e
x
t
r
em
e
left).
TAPE MON
s
wit
c
h at ON position
(button
pu
s
h
)
.
Poor spea
k
e
r
cord
c
onne
c
tio
n
s.
BALANCE control
set to on
e
e
x
t
r
eme
or ot
he
r
.
The
2
CH
so
u
rc
e
is
conn
e
ct
ed
to
the
REAR
te
rminals
of th
e
AUX
or TAPE
.
The progr
a
m
s
o
u
r
ce
is monaural.
LEF
T
RIGHT
r
e
sisto
r
values
unb
a
lanced
.
Protection
C
i
rcui
t
indication
o
f short
cir
c
ui
t
i
n
th
e
ou
t
pu
t.
Difference
i
n re
c
eived
si
g
nal
a
nd
phono
output
le
vel
s
.
Se
e th
a
t
pl
a
yer
output
co
rd
is
fi
r
mly
p
lu
gged
into
Amp.
inpu
t
.
S
e
e th
a
t
p
l
ayer
ou
tpu
t
cord
is
f
irm
l
y
p
l
ugg
e
d
i
n
to
Amp
.
in
p
ut.
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-
----
--
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-
--
--
-----
-
--
-
--
-
--
--
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--
---------
Keep pl
a
yer
o
utput
co
r
d
a
w
a
y f
rom
AC
c
o
r
ds
.
Choose
c
or
d
p
a
ths
whi
c
h
kee
p
hum
a
t
a
minimum.
Tw
is
t
L
E
FT RI
G
HT
pl
a
y
er
outpu
t
cords
to
g
ethe
r
.
Reverse
pl
a
y
e
r
AC plu
g
c
onn
e
ct
i
ons
.
Connect
pl
a
y
e
r
g
round
wire
to
GND termin
a
l.
Route
player
cord
so that
buzz i
s
minimized.
N
o sound f
r
o
m
LEFT
a
n
d
RIGHT
,
or sound
only
fro
m
o
ne sid
e
.
L
o
u
d h
um
d
rowns
o
ut soun
d
.
Player
output
c
ord
picking
up
hum
from
AC
c
o
r
d
.
H
o
wling
nois
e
o
cc
u
r
s
w
h
en
vol
u
me
is rai
s
ed o
r
bass response
is increase
d.
Pla
y
er
no
t g
roun
ded
.
TV
s
ignal
pic
ked
up by Pl
a
yer
output
cor
d
.
F
requently
occurs
near TV transmitting
antenn
a.
Spe
a
ker
vi
b
r
a
tion
induce
feedback
in
p
i
c
k
up
.
Increase
d
i
stance
betw
e
en
player
and
speakers.
Choose sp
e
ake
r
loca
ti
ons
c
a
refully
.
Remember
,
l
oose
flooring
induce
s
howlin
g
.
Sou
n
d
a
u
d
i
b
le
b
u
t
continuous
b
ac
k
g
round
bu
z
z
int
e
rferes
.
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