Onkyo TX-930 User Manual

Trouble shooting guide
NOTE:
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 transmitter.
Remedy
Contact Onkyo Service Center.
Switch to off by remote control transmitter.
Check input leads, speaker leads, pin plugs, etc.
Contact Onkyo Service Center.
Check outer conductor of pin plugs.
——- Se
| Trouble | Cause
j.
No power. @ Power cord is disconnected. ® Connect power cord.
@ AC fuse blown. e
Power but no sound. @ Tape monitor switch on. ® Switch to off.
® Audio muting switch on. ®
® Bad connections. e
@ Amplifier protection circuitry has been | @
activated.
| Hum, low frequency noise. @ Poor or no input ground. e
e ®
Poor or no phono motor ground.
Check for proper ground connection.
Howling when the volume is turned up.
Turntable and speakers are too close | ® Move them farther apart. !
together.
| Rough or scratchy sound. High range is
not clear.
Stylus of pick-up is worn.
otylus tip is ditty.
Treble control too high.
AM stations cannot be received.
I
Buzzing noise on AM (particularly con-
spicuous at night or with weak stations).
High pitched noise or buzzing noise on
AM.
—+—
ne
AM loop antenna ts not attached.
Replace.
Clean.
Turn treble control down.
Connect the included AM loop antenna to the AM
antenna terminals.
Noise from electrical apparatus such
as fluorescent lamp.
Move AM loop antenna to different position.
Set up outdoor AM antenna.
Noise from TV.
Place the AM loop antenna as far as possible
from the TV.
Move unit away from TV set.
| Crackling noise on AM and FM.
Noise caused by turning fluorescent
lamp on and off.
Noise from automobile ignition.
FM tuned and stereo indicators light but
sound is distorted and stereo separation is
bad.
Move antenna as far as possible from the fluores-
cent lamp.
Install and FM outdoor antenna as far as possible
from the road.
Change the position or direction of the outdoor
antenna. Z
Station is too strong.
Multiple reflection of the radio waves
because of tall buildings or mountains.
FM tuned and stereo indicators flicker on
and off and hiss is heard on FM.
Station is too weak.
Stereophonic FM broadcasts cover
only about half the distance of an ordi-
nary broadcasts.
No station is recalled when a preset sta-
tlon number is input.
The power switch has not been turned
on for along time or the power cord has
been unplugged for a long time.
Front panel controls function but remote
control transmitter does not.
—-
No batteries in remote contro! trans-
mitter.
Batteries have worn out.
Change to T-shaped antenna.
Use antenna which has better directivity and
select a point where the distortion is least.
Install an outdoor FM antenna.
Change the position or direction of the outdoor
antenna.
The memory contents are lost if the power switch
is not turned on a few times each month. Store all
stations again and remember to turn the power
on a few times each month.
insert batteries.
Replace batteries.
The tuning steps by which the tuned frequency changes on each band have been set at the factory to the proper value for the country where each
unit is to be sold. !f you use the unit in a country where a different tuning step is required or if the broadcast frequencies in your country change so
that you can not tune in radio stations precisely, contact your authorized Onkyo Service Center.

Onkyo TX-930 Specifications

General

Brand	Onkyo
Model	TX-930
Category	Amplifier
Language	English