ONKYO DR-90 Instruction Manual

61

• The power plug is disconnected.

• There is external noise in the computer

circuits of the DVD Receiver.

• The AC fuse is blown.

• The muting function is activated.

• The DVD Receiver is not properly

connected.

• The amplifier protection circuitry has

activated. (The STANDBY indicator
flashes.)

• A wrong sound signal conversion method

is selected.

• The speakers are not properly connected.

• The surround mode is set to “STEREO.”

• The volume level of the center speaker

(“CENTER”) is set to minimum.

• The configuration of the center speaker

(“CENTER SPEAKER”) is set to “NONE.”

• The TV is not set to receive the output

signals from the DVD Receiver.

• The video cable is not connected

securely.

• Only S video connection is made.

• The disc is dirty.

• It is in fast forward or fast reverse

playback.

• Another input source is selected.

• Copy protection is activated.

• Power supply fluctuations or other

abnormalities such as static electricity
may interrupt correct operation.

• No disc is inserted.

• An unplayable disc is inserted.

• The disc is placed upside down.

• The disc is not placed within the disc tray

guide.

• The disc is dirty.

• The parental lock function is activated.

• The DVD Receiver is in repeat playback

mode, memory playback mode, etc.

• Check the connection of the power cord.

• Switch off the main power, then switch it

on again. If not recovered, disconnect the
power cord, then connect it again.

• Contact your nearest ONKYO service

center.

• Deactivate the muting function.

• Check the connections to the DVD

Receiver.

• Contact your nearest ONKYO service

center.

• Check the current sound signal

conversion method, and select the right
one.

• Check the speaker connections.

• Select the appropriate surround mode.

• Adjust the volume level of the center

speaker.

• Set the configuration of the center

speaker to “LARGE” or “SMALL.”

• Set the TV to the DVD Receiver input.

• Check the connections between the DVD

Receiver and TV set.

• Make also video connection.

• Eject the disc and clean it.

• Sometime a small amount of picture

distortion may appear. This is not a
malfunction.

• Select the appropriate input source.

• Connect the DVD Receiver directly to the

TV. Avoid connecting the DVD Receiver to
the TV through a VCR.

• Switch off the main power, then switch it

on again. If not recovered, disconnect the
power cord, then connect it again.

• Insert a disc. (Check that “DVD,” “VCD,” or

“CD” is lit in the DVD Receiver’s display.)

• Check the playable discs.

• Place the disc with the playback side

down.

• Place the disc within the proper guide on

the disc tray.

• Eject the disc and clean it.

• Deactivate the parental lock function or

change the parental lock level.

• These operations may prevent the original

progress of the contents.

The DVD Receiver doesn’t
switch on.

No sound is reproduced.

No sound or very little
sound is reproduced from
the center speaker.

No picture appears on the
TV screen. Or the picture
from the DVD Receiver
doesn’t appear on the TV
screen.

The playback picture is
occasionally distorted.

The sound of the playback
source is not heard.

Brightness is unstable or
noise is visible on playback
picture.

The buttons on the remote
controller and DVD
Receiver do not operate.

The DVD Receiver does
not start playback.

Playback doesn’t follow the
course of the disc’s
programs.

17

17

–

29

10 – 16

–

40, 41,
50, 59

12

31

19, 32

14

–

10

10, 11

9

–

28

17

10, 11

20

9

20

20

20, 9

44, 54

–