Onkyo TX-8210 - Printed Circuit Board Parts List (Display cont.); Printed Circuit Board Parts List (Tone Control); Printed Circuit Board Parts List (Power Supply)

Trouble shooting guide
If a problem occurs, first operate the unit using the front panel controls to confirm that it is not due to a malfunction (or expired batteries) of
the remote control.
22
e@ Power cord is disconnected.
e There is external noise in the computer circuits
of this unit.
e AC fuse blown.
No power.
e@ Connect power cord.
e Turn the power switch off and then on again or
remove the AC plug from the outlet.
@ Contact your Onkyo Service Center.
@ TAPE-2 MONITOR button is on.
e MUTING button is on.
@ Bad/incorrect connections.
e Amplifier protection circuitry has been acti-
vated. ((PROTECT’ will be displayed.)
Power but no sound.
@ Poor or no input ground.
e@ Poor or no phono motor ground.
e The placement of the audio connection cables
on the rear panel is incorrect.
Hum, low-frequency noise.
e Stylus of turntable pick-up is worn.
e@ Turntable stylus tip is dirty.
e Treble control too high.
Rough or scratchy sound.
High range is not clear.
stations AM
received.
e Noise from electrical apparatus such as fluo-
rescent jamp.
Buzzing noise on AM (partic-
ularly conspicuous at night
or with weak stations).
High-pitched noise or buzz- | e Noise from TV set.
ing noise on AM.
Crackling noise on AM, FM. e Noise caused by turning fluorescent lamp on
and off.
e@ Noise from automobile ignition.
FM tuned and stereo indica-
tors light but sound is dis-
torted and stereo separation
is bad.
@ Station is too strong.
e Multiple reflection of the radio waves because
of tall buildings or mountains.
@ Station is too weak.
@ Stereo FM broadcasts cover only about half
ihe distance of an ordinary broadcast.
FM tuned Indicator and ste-
reo indicator flicker and hiss
is heard on FM
The RDS function does not | e It is not RDS station.
work. e@ The reception station signal is too weak.
e Too much interference.
@ Switch to off.
e@ Switch to off with the remote control.
e@ Check connection cables, speaker cables, etc.
e Contact your Onkyo Service Center.
@ Check outer conductor of input piugs.
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.
e Replace.
e Clean.
@ Turn trebie control down.
cannot be | @e AM lcop antenna is not attached. e Connect the included AM loop antenna to the
AM antenna terminals.
e Move the AM loop antenna to different posi-
tion.
@ Setup an outdoor AM antenna.
@ Place the AM loop antenna as far as possible
from the TV.
@ Move unit away from TV set.
e 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 Insta!l an outdoor FM antenna.
@ Change the position or direction of the outdoor
antenna.
No station is recalled when a | e The power cord has been unplugged for along | # The memory contents are lost. Store all sta-
preset button is pressed. time. tions again.
@ Receive an RDS station.
e install an outdoor FM antenna.
e Change the position or direction of the outdoor
antenna.
@ Move the antenna as far away as possible from
the fluorescent lamp.
e install an outdoor FM antenna as far away as
possible from the road.
Front panel controls function | @ No batteries in remote control. e Insert batteries.
but remote control does not. e Batteries have worn out. e Replace batteries