Onkyo TX-SV636 Owner Manual - Page 44

Troubleshooting, guide

Get Onkyo TX-SV636 PDF manuals and user guides View all Onkyo TX-SV636 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 44 highlights

Troubleshooting guide If a problem occurs, first operate the unit using the Front panel controls to confirm that it is not due to a malfunction (or worn out batteries) of the remote control. Trouble Cause Remedy No power. • Power cord is disconnected. • There is external noise in the computer cir- cuits of the TX-SV636. • AC fuse blown. • Connect power cord. • Turn the power button off and then on again or remove the AC plug from the outlet. • Contact your Onkyo Service Center. Power but no sound. • TAPE-2 MONITOR switch is on. • Audio muting switch is on. • Bad/incorrect connections. • Amplifier protection circuitry has been acti- vated. ('PROTECT' will be displayed.) • Switch to off. • MUTE switch to off with the remote control. • Check input leads, speaker leads, pin plugs, etc. • Contact your Onkyo Service Center. No sound from the Center speaker, or very minimal sound. • The speaker cables are connected to the DUAL terminals even though there is only 1 Center speaker. • Speaker cord is removed. • Surround mode is set to HALL, LIVE, ARENA and BY-PASS. • Center level is set to the minimum. • Center Mode is set to PHANTOM. • Connect the speaker cables to the SINGLE terminals. • Check the connection between the amplifier and the speaker. • When HALL, LIVE or ARENA is selected for the Surround mode, only effect sound will be output from the Center speaker. The sound level will be less compared to the sound level when the DOLBY PRO LOGIC or THEATER is selected. • When the Surround mode is set to BY-PASS, no sound will output from the Center speaker. • Set the Center level to the appropriate volume . • Set Center Mode to NORMAL or WIDEBAND. Hum, low-frequency noise. • Poor or no input ground. • Poor or no phono motor ground. • The placement of the input/output cables on the Rear panel is incorrect. • Check outer conductor of input plugs. • Check for proper ground connection. • Adjust the placement of the cable to reduce hum. Howling when the volume is turned up. • Turntable and speakers are too close • Move them farther apart. together. Rough or scratchy sound. High range • Stylus of pick-up is worn. is not clear. • Stylus tip is dirty. • Treble control too high. • Replace. • Clean. • Turn treble control down. AM stations cannot be received. • AM loop antenna is not attached. • Connect the included AM loop antenna to the AM antenna terminals. Buzzing noise on AM (particularly con- • Noise from electrical apparatus such as fluo- • Move the AM loop antenna to different position. spicuous at night or with weak sta- rescent lamp. • Set up an outdoor AM antenna. tions). High-pitched noise or buzzing noise • Noise from TV set. on AM. • Place the AM loop antenna as far as possible from the TV. • Move unit away from TV set. Crackling noise on AM, FM. • Noise caused by turning fluorescent lamp on and off. • Noise from automobile ignition. • Move antenna as far as possible from the fluorescent lamp. • Install an FM outdoor antenna as far as possible from the road. • Change the position or direction of the outdoor antenna. FM TUNED and STEREO indicators • Station is too strong. • Change to T-shaped antenna. light but sound is distorted and stereo • Multiple reflection of the radio waves because • Use antenna which has better directivity and separation is bad. of tall buildings or mountains. select a point where the distortion is least. FM TUNED indicators and STEREO • Station is too weak. • Install an outdoor FM antenna. indicator flicker and hiss is heard on • Stereo FM broadcasts cover only about half • Change the position or direction of the outdoor FM. the distance of an ordinary broadcast. antenna. No station is recalled when a preset • The power cord has been unplugged for a • The memory contents are lost. Store all sta- key is pressed. long time. tions again. The Multiple Room Remote System • Connection is wrong. • Check the connection again. does not operate. • The MR OFF button on the TX-SV636 is • Press the MR OFF button. (The MR OFF indi- engaged. (The MR OFF indicator will be lit.) cater will be turned off.) Front panel controls function but • No batteries in remote control. remote control does not. • Batteries have worn out. • Insert batteries. • Replace batteries. Also refer to the respective instruction manuals of the Video Disc Player, video cassette recorder, TV monitor, etc., being used. 44

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
Troubleshooting
guide
If
a
problem
occurs,
first
operate
the
unit
using
the
Front
panel
controls
to
confirm
that
it
is
not
due
to
a
malfunction
(or
worn
out
batteries)
of
the
remote
control.
Trouble
Cause
Remedy
No
power.
•
Power
cord
is
disconnected.
•
There
is
external
noise
in
the
computer
cir-
cuits
of
the
TX-SV636.
•
AC
fuse
blown.
•
Connect
power
cord.
•
Turn
the
power
button
off
and
then
on
again
or
remove
the
AC
plug
from
the
outlet.
•
Contact
your
Onkyo
Service
Center.
Power
but
no
sound.
•
TAPE
-2
MONITOR
switch
is
on.
•
Audio
muting
switch
is
on.
•
Bad/incorrect
connections.
•
Amplifier
protection
circuitry
has
been
acti-
vated.
('PROTECT'
will
be
displayed.)
•
Switch
to
off.
•
MUTE
switch
to
off
with
the
remote
control.
•
Check
input
leads,
speaker
leads,
pin
plugs,
etc.
•
Contact
your
Onkyo
Service
Center.
No
sound
from
the
Center
speaker,
or
very
minimal
sound.
•
The
speaker
cables
are
connected
to
the
DUAL
terminals
even
though
there
is
only
1
Center
speaker.
•
Speaker
cord
is
removed.
•
Surround
mode
is
set
to
HALL,
LIVE,
ARENA
and
BY-PASS.
•
Center
level
is
set
to
the
minimum.
•
Center
Mode
is
set
to
PHANTOM.
•
Connect
the
speaker
cables
to
the
SINGLE
ter
-
minals.
•
Check
the
connection
between
the
amplifier
and
the
speaker.
•
When
HALL,
LIVE
or
ARENA
is
selected
for
the
Surround
mode,
only
effect
sound
will
be
output
from
the
Center
speaker.
The
sound
level
will
be
less
compared
to
the
sound
level
when
the
DOLBY
PRO
LOGIC
or
THEATER
is
selected.
•
When
the
Surround
mode
is
set
to
BY-PASS,
no
sound
will
output
from
the
Center
speaker.
•
Set
the
Center
level
to
the
appropriate
volume
.
•
Set
Center
Mode
to
NORMAL
or
WIDEBAND.
Hum,
low
-frequency
noise.
•
Poor
or
no
input
ground.
•
Poor
or
no
phono
motor
ground.
•
The
placement
of
the
input/output
cables
on
the
Rear
panel
is
incorrect.
•
Check
outer
conductor
of
input
plugs.
•
Check
for
proper
ground
connection.
•
Adjust
the
placement
of
the
cable
to
reduce
hum.
Howling
when
the
volume
is
turned
up.
•
Turntable
and
speakers
are
too
close
together.
•
Move
them
farther
apart.
Rough
or
scratchy
sound.
High
range
is
not
clear.
•
Stylus
of
pick-up
is
worn.
•
Stylus
tip
is
dirty.
•
Treble
control
too
high.
•
Replace.
•
Clean.
•
Turn
treble
control
down.
AM
stations
cannot
be
received.
•
AM
loop
antenna
is
not
attached.
•
Connect
the
included
AM
loop
antenna
to
the
AM
antenna
terminals.
Buzzing
noise
on
AM
(particularly
con-
spicuous
at
night
or
with
weak
sta-
tions).
•
Noise
from
electrical
apparatus
such
as
fluo-
rescent
lamp.
•
Move
the
AM
loop
antenna
to
different
position.
•
Set
up
an
outdoor
AM
antenna.
High-pitched
noise
or
buzzing
noise
on
AM.
•
Noise
from
TV
set.
•
Place
the
AM
loop
antenna
as
far
as
possible
from
the
TV.
•
Move
unit
away
from
TV
set.
Crackling
noise
on
AM,
FM.
•
Noise
caused
by
turning
fluorescent
lamp
on
and
off.
•
Noise
from
automobile
ignition.
•
Move
antenna
as
far
as
possible
from
the
fluo-
rescent
lamp.
•
Install
an
FM
outdoor
antenna
as
far
as
possi-
ble
from
the
road.
•
Change
the
position
or
direction
of
the
outdoor
antenna.
FM
TUNED
and
STEREO
indicators
light
but
sound
is
distorted
and
stereo
separation
is
bad.
•
Station
is
too
strong.
•
Multiple
reflection
of
the
radio
waves
because
of
tall
buildings
or
mountains.
•
Change
to
T-shaped
antenna.
•
Use
antenna
which
has
better
directivity
and
select
a
point
where
the
distortion
is
least.
FM
TUNED
indicators
and
STEREO
indicator
flicker
and
hiss
is
heard
on
FM.
•
Station
is
too
weak.
•
Stereo
FM
broadcasts
cover
only
about
half
the
distance
of
an
ordinary
broadcast.
•
Install
an
outdoor
FM
antenna.
•
Change
the
position
or
direction
of
the
outdoor
antenna.
No
station
is
recalled
when
a
preset
key
is
pressed.
•
The
power
cord
has
been
unplugged
for
a
long
time.
•
The
memory
contents
are
lost.
Store
all
sta-
tions
again.
The
Multiple
Room
Remote
System
does
not
operate.
•
Connection
is
wrong.
•
The
MR
OFF
button
on
the
TX-SV636
is
engaged.
(The
MR
OFF
indicator
will
be
lit.)
•
Check
the
connection
again.
•
Press
the
MR
OFF
button.
(The
MR
OFF
indi-
cater
will
be
turned
off.)
Front
panel
controls
function
but
remote
control
does
not.
•
No
batteries
in
remote
control.
•
Batteries
have
worn
out.
•
Insert
batteries.
•
Replace
batteries.
Also
refer
to
the
respective
instruction
manuals
of
the
Video
Disc
Player,
video
cassette
recorder,
TV
monitor,
etc.,
being
used.
44