Onkyo TX-SE550 - Manual (Page 30)

30
Troubleshooting guide
If a problem occurs while you are using the remote controller, first try to operate the front panel controls on the main unit to make sure that it
is not due to a malfunction (or worn out batteries) in the remote controller.
Also refer to the respective instruction manuals of the video disc player, video cassette recorder, TV monitor, etc., that compose your enter-
tainment system.
Trouble Cause Remedy
See
page
No power.
•
Power cord is disconnected.
•
There is external noise in the computer circuits of
this unit.
•
AC fuse blown.
•
Connect power cord.
•
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.
11
11
Power on but no sound.
•
TAPE MONITOR indicator is lit.
•
MUTING indicator is lit.
•
Bad connections.
•
Amplifier protection circuitry has been activated.
(‘PROTECT’ will be displayed.)
•
Press the TAPE (MONITOR) button.
•
Press the MUTING button on the remote control-
ler to turn it off.
•
Check connections, speaker leads, etc.
•
Contact your Onkyo Service Center.
16
19
10
No sound from the center
speaker, or very minimal sound.
•
Speaker cable is not corrected.
•
SURROUND MODE button is set to STEREO.
•
CENTER level is set to minimum.
•
CENTER SPEAKER is set to NO.
•
Check the connection between the amplifier and
the speaker.
•
Set the SURROUND MODE button to DOLBY
PRO LOGIC, HALL, LIVE or ARENA.
•
Set the CENTER level to the appropriate volume.
•
Set CENTER SPEAKER to YES.
10
21
15
14
Hum, low-frequency noise.
•
Poor or no input ground.
•
Poor or no phono motor ground.
•
The placement of the audio connection 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.
6
6
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 turntable pick-up is worn.
•
Turntable 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. 13
Buzzing noise on AM (particu-
larly conspicuous at night or with
weak stations).
•
Noise from electrical apparatus such as fluores-
cent lamp.
•
Move the AM loop antenna to different position.
•
Set up an outdoor AM antenna.
13
13
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.
13
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 fluores-
cent lamp.
•
Install an FM outdoor antenna as far as possible
from the road.
•
Change the position or direction of the outdoor
antenna.
13
TUNED and STEREO indica-
tors 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.
12
13
TUNED and STEREO indica-
tors 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.
13
No station is recalled when a
SCAN button is pressed.
•
The power cord has been unplugged or the
POWER switch has been turned off for a long
time.
•
The memory contents are lost. Store all stations
again. 25
Front panel controls function but
remote controller does not.
•
No batteries in remote controller.
•
Batteries have worn out.
•
Insert batteries.
•
Replace batteries.
5
5
The sound of the playback
source is not heard.
•
The input selector is not set properly.
•
Set it to the playback source. 16
Your voice is not heard when you
speak or sing into the micro-
phone.
•
Microphone plug is not firmly inserted into the
MIC jack.
•
Microphone is turned off.
•
The karaoke function is turned off.
•
Insert the plug firmly.
•
Turn on the microphone.
•
Press the KARAOKE button to turn on the
KARAOKE indicator.
22
22
22
Karaoke is not turned on.
•
DOLBY PRO LOGIC is selected.
•
MULTI-CH INPUT is selected.
•
Select another Surround mode.
•
Select another INPUT.
You cannot select DOLBY PRO
LOGIC.
•
KARAOKE is turned on.
•
Turn KARAOKE off. 22