Troubleshooting; Specifications - JVC JR-S400 MARK II Lnstruction Book

TROT,BLESFI@TI].,IG
Whst
se€ms
to
be
trouble
lllske
sure
first.
lf this
happens..............'.....
Check
!
No sound
lrom
speakers
Sound
trom
one speaker only
Continuous
hiss
or buzzing
during FM reception
Occasional cruckling noise
during FM reception
is
not always
real
trouble.
h the
AC plug conh€cted
properly?
Are
speaker
cords connected?
Are speaker switches
pressed
in7
ls
VOLU[,lE controlat llllN?
ls
TAPEI
or TAPE.2
rwitch
pressed in when lktening ro other
- lf
either of them
is press€d in, Alvl,
FM. PHONO-1, PHONO-2 or
AUX ca.not
be heard.
Are the wires between PRE OUT and
[4AlN
lN
terminals out
of
Are !peaker cords connect€d cofiectly?
ls BALANCE control
set to one extreme
or
the
other?
lncoming !ignal
is
roo weak.
Use
correcl
antenna.
This may be
automobile ignition noir€.
I\Iove antenna
ar
far
away
from
the
road
as
possible.
h turntable
ground€d?
Try to
change
cord
path.
h rurntable
too
close
to
speaker?
sEcttoN
80wdrt p.r
ch.n
l,
hin.
AMS, horh
.lr.nmb drlv.n, inro
8
ohmr lrom
20
H,
ro 20
kHz,
wirt
no
noB
rh.n
o,Oa 9(
r.tl
hlm.nic di{6ni.n
85
war$ per ch.nn.l into
I
ohmt
(1 kHz.tHD
0.08
%)
l10w€tts
por
channelinto 4
ohm3
(1 kH2,lHD
O,Oa %)
4
-
16
o
(SYSTEtvl
I
or 2)
g-16Jr(sYsTEMt+2)
2,5 mV
(50 ko)
220
mv
(60 ko)
75dB
95dS
95dB
30 mV
(80 ko)
40.250,
1
k,5
k, 15 kHu
MONO
16,1dBf (3.5&v)
STEBEO
36.8
dBl (38rrv)
35dB
(50 Hz - l0 rHz)
Loud hum
during record playing
0.1
%
(MONO)
0.25 %
isT€REO)
0.r
%
tMoNot
0.25 % {STEREO)
0,25 %
(MONO)
03
%
tstEREot
SodB
Tods
Sisnal-to-Noi.e Ratio
:
MONO
(lHF
@iohred)
SIEaEO
S.l€crivity
:
80dB
Caprure
Ratio
| 1.0d8
Fatio
:gOdB
lF aspotue
Ratio
: looda
AM
Suopre$ion
: 65dB
FMoElourpui .100mv(l0ko)
MulingThEshold :
19,2dBf
{5,lV)
AM TUNEB
SECTION
Detign
tnd
spacif;@tiom
tubjut
to ch.nge wirhout
nod.e
SPECIFICATIONIS
PRE.AMPLIFIER SECTION
lnpur
Senshavity
:
PHONO
(lmpedance)
AIJX
TAPE
PLAY
{Pin,
OIN)
Signal'to'Nois
B.rio
:
PHONO
(lHF
Shod-circuit
a
AUX
N€tuort)
TAPE
F4ordins
Output
: Pin
DIN
Fr.quenci63
S.E,A,
ConfiolF6nse:
FM TUNEB
SECTION
Ueble$n.itiviry
Senlitivhy
D*isri6n
: 10.5
dB
lroh
FIAACUruE
Phono
Ov€rl@d
: 200mv
(aMS.1
kHz)
s.E.A. TONE CONTNOL SECIION
Sensitivity
:
300 !V/m
(Sar antenna)
30
rv
lEx .ntenn.l
Sion.lro.Nobo
R.tio :
55dB
DIMENSIONS
:
56.0
cm(W)x 16,9cm(H)x 43.1cm{D)
122-1116"
x
6-11116"
x
17"J
wErGHt
:
17,0 kg {37.41b.)
-10-