Onkyo TX-SV424 - Troubleshooting Guide; Power and Sound Issues; Noise and Reception Problems; Remote and Preset Issues

Trouble shooting guide
If a problem occurs while you are using the remote control, 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.
No power.
Power on but no sound.
No sound from the center
Speaker, or very minimal sound.
Hum, low-frequency noise.
@ Power cord is disconnected.
e@ There is external noise in the computer circuits
of this unit.
e@ AC fuse blown.
@ TAPE-2 MONITOR button is on.
@ MUTING button is on.
e Bad connections.
e Amplifier protection circuitry has been acti-
vated. (PROTECT? will be displayed.)
@ Speaker cord is not corrected.
@e SURROUND MODE buiton is set to BY-PASS.
@ CENTER LEVEL is set to minimum.
@ CENTER MODE button is set to PHANTOM.
@ Poor or no input ground.
@ Poor or no phono motor ground.
@ The placement of the audio connection cables
on the rear panel is incorrect.
e@ Connect power cord.
e@ Turn the power button off and then on again or
remove the AC plug from the outlet and then
plug it again.
@ Contact your Onkyo Service Center.
e Switch to off.
e@ Switch to off by the remote control.
e Check connections, speaker leads, etc.
e Contact your Onkyo Service Center.
e Check the connection between the amplifier
and the speaker.
@ Set the SURROUND MODE button to DOLBY
PRO LOGIC or HALL.
e Set the CENTER LEVEL to the appropriate
volume.
@e Set CENTER MODE button to NORMAL or
WIDEBAND.
@ Check outer conductor of input plugs.
e@ Check for proper ground connection.
e Adjust the placement of the cable to reduce
hum,
Howling when the volume is | @ Turntable and speakers are too close together. | @ Move them farther apart.
turned up.
Rough or scratchy sound. High
range is not clear.
e Stylus of turntable pick-up is worn.
e Turntable stylus tip is dirty.
e Replace.
@ Clean.
e@ Turntreble control down.
e Treble control too high.
AM stations cannot be received. | e AM loop antenna is not attached. @ Connect the included AM loop antenna to the
AM antenna terminals.
Buzzing noise on AM (particu-
larly conspicuous at night or
with weak stations).
High-pitched noise or buzzing
noise on AM.
Crackling noise on AM, FM.
TUNED and STEREO indica-
tors light but sound is distorted
and stereo separation is bad.
TUNED and STEREO indica-
tors flicker and hiss is heard on
FM.
No station is recalled when a
PRESET SCAN button is
pressed.
e Noise from electrical apparatus such as fluo-
rescent lamp.
@ Noise from TV set.
e Noise caused by turning fluorescent lamp on
and off.
e Noise from automobile ignition.
@ Station is too strong.
@ Multiple reflection of the radio waves because
of tall buildings or mountains.
e Station is too weak.
@ Stereo FM broadcasts cover only about half
the distance of an ordinary broadcast.
-@ The power cord has been unplugged for a long
time.
@ Move the AM loop antenna to different posi-
tion.
@ Setup an outdoor AM antenna.
e Place the AM loop antenna as far as possible
from the TV.
@ Move unit away from TV set.
@ Move antenna as far as possible from the fluo-
rescent lamp.
e Install an FM outdoor antenna as far as possi-
ble from the road.
e@ Change the position or direction of the outdoor
antenna.
e Change to T-shaped antenna.
e Use antenna which has better directivity and
select a point where the distortion is least.
e Install an outdoor FM antenna.
@ Change the position or direction of the outdoor
antenna.
@ The memory contents are lost. Store ali sta-
tions again.
Front panel controls function but | @ No batteries in remote control. e Insert batteries.
remote control does not. @ Batteries have worn out. @ Replace batteries
e Also refer to the respective instruction manuals of the video disc player, video cassette recorder, TY monitor, etc., being used.