Onkyo TX-890 - Page 15

Troubleshooting guide
a
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.
No power, ® Power cord is disconnected. ® Connect power cord. -
@ AC fuse blown. ® Contact Onkyo Service Center.
Power but no sound. ® Tape monitor switch on. @ Switch to off.
®@ Audio muting switch on. @ Switch to off by remote control transmitter.
® Bad connections. @ Check input leads, speaker leads, pin plugs, etc.
® Amplifier protection circuitry has been | @ Contact Service Center.
activated.
Hum, low frequency noise. ® Poor or no input ground. ® Check outer conductor of input plugs.
®@ 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 {| @ Stylus of pick-up is worn. ® Replace.
not clear. ® Stylus tip is dirty. @ Clean.
@ Treble control too high. ® Turn treble control down.
Buzzing noise on AM (particularly con- | @ Noise from electrical apparatus such as |} ® Move AM loop antenna to different position.
spicuous at night or with weak stations). fluorescent lamp. @ Set up outdoor AM antenna.
High pitched noise or buzzing noise on | @ Noise from TV. @ Place the AM locp antenna as far as possible from
the TV.
@ Move unit away from TV set.
Crackling noise on AM and FM. @ 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.
@ Noise caused by turning fluorescent
lamp on and off.
® Noise from automobile ignition.
FM signal strength indicators and stereo
indicator light but sound is distorted and
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.
®@ Station is too weak. @ Install an outdoor FM antenna.
® Stereo FM broadcasts cover only about | @ Change the position or direction of the outdoor
half the distance of an ordinary broad- antenna.
cast.
FM signal strength indicators and stereo
indicator flicker and hiss is heard on FM.
No station is recalled when a preset key
is pressed.
® The power switch has not been turned | @ The memory contents are lost if the power switch
on for a long time or the power cord has| is not turned on a few times each month. Store
been unplugged for a long time. all stations again and remember to turn the power
on a few times each month.
® Insert batteries.
® Replace batteries.
Front panel controls function but remote | © No batteries in remote control transmit-
control transmitter does not. ter.
@ Batteries have worn out.
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. If 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, take this unit to an authorized Onkyo Service Center.