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Trouble shooting guide
NOTE (TX-903 oniy):
If a problem occurs, first operate the unit using the frant panel
controls to confirm that it is not due to a malfunction
(or worn
a
le
AC
out batteries) of the remote control transmitter.
Cause
@ Power cord is disconnected.
® Connect power cord.
@ AC fuse blown.
® Contact Onkyo Service Center.
® Tape monitor switch on.
® Switch to off.
® Audio muting switch on.(TX-903 only) | @ Switch to off by remote control transmitter.
@® Bad connections.
@ Check input ieads, speaker leads, pin plugs, etc.
® Amplifier protection circuitry has been | @ Contact Onkyo Service Center.
activated.
ee
Power
but no sound.
together.
ee
ee
es
Rough or scratchy sound. High range is | @ Stylus of pick-up Is worn.
@ Replace.
not clear.
® Stylus tip is dirty.
® Clean.
@ Treble control too high.
_
_@ 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
@ Move AM
loop antenna to different position.
spicuous at night or with weak stations).
as fluorescent lamp
.
® Set up outdoor AM antenna.
__
High pitched noise or buzzing noise on
® Noise from TV.
® Place the AM loop antenna as far as possible from
the TV.
@ Move unit away from FV set.
AM.
i
a
a
EN
ST
® Noise caused by turning fluorescent
lamp on and off.
@ Noise from automobile ignition.
@ Move antenna as far as possible fram the flu-
orescent lamp.
@ install and FM outdoor antenna as far as possible
from the road.
®@ Change the position or direction of the outdoor
antenna.
Crackling noise on AM and FM.
@ Change to T-shaped antenna.
@ Use antenna which has better directivity and se-
lect a point where the distortion Is least.
®@ Station is too strong.
@ Multiple reflection of the radio waves
because of tall buildings or mountains.
FM tuned and stereo indicators light but
sound is distorted and stereo separation
is bad.
FM tuned and stereo indicators flicker
on and off and hiss is heard on FM.
@ Install an outdoor FM antenna.
® Change the position or direction of the outdoor
antenna.
® Station is too weak.
®@ Stereophonic FM broadcasts cover only
about half the distance of monaural
broadcasts.
®@ 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.
® The power switch has not been turned
on for a long time or the power cord
has been unplugged for a long time.
No station is recalled when a preset sta-
tion number ts input.
®@ No batteries in remote control trans-
@® Insert batteries.
mitter.
®@ Replace batteries.
® Batteries have worn
out.
Front panel controls function but remote
control transmitter does not. (TX-903
only)
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