Troubleshooting guide

Troubleshooting guide

If a problem occurs while you are using the remote controller, first try to operate the front panel controls on the main unit to make sure that it is not due to a malfunction (or worn out batteries) in the remote controller.

 

Trouble

 

 

 

 

Cause

 

Remedy

See

 

 

 

 

 

 

 

 

 

 

 

page

 

 

 

 

 

 

 

 

 

 

 

 

POWER

 

 

 

 

 

 

 

 

 

 

Power shut off immedi-

Amplifier protection circuitry has been acti-

Remove the AC plug from the outlet immediately.

-

 

ately after power on.

 

vated.

 

Then contact your Onkyo service center.

 

 

No power.

 

 

 

Power cord is disconnected.

Connect power cord.

13

 

 

 

 

 

 

 

There is external noise in the computer circuits

Turn the power button off and then on again or remove

13

 

 

 

 

 

 

 

 

of this unit.

 

the AC plug from the outlet and then plug it again.

 

 

 

 

 

 

 

 

AC fuse blown.

Contact your Onkyo Service Center.

-

 

Power on but no sound.

“Muting” is displayed.

Press the MUTING button on the remote controller to

31

 

 

 

 

 

 

 

 

 

 

turn it off.

 

 

 

 

 

 

 

 

The digital/analog input setting is incorrect.

Select the correct input.

23,29

 

 

 

 

 

 

 

Bad connections.

Check connections, speaker leads, etc.

6-15

 

 

 

 

 

 

 

Amplifier protection circuitry has been acti-

Contact your Onkyo Service Center.

-

 

 

 

 

 

 

 

 

vated.

 

 

 

 

The sound of the play-

The input selector is not set properly.

Set it to the playback source.

26,27

 

back source is not heard.

 

 

 

 

 

 

No

picture

appears on

The TV (or monitor) is not set to receive the out-

Set the TV (or monitor) to the receiver input.

8

 

the TV screen (or moni-

 

put signals from the reciver.

 

 

 

 

tor)

 

 

 

 

 

The video cable is not connected securely.

Check the connections.

8

 

 

 

 

 

 

 

Only S video connection is made.

Make also video connection.

8

 

SPEAKERS

 

 

 

 

 

 

 

 

No sound from the cen-

Speaker cable is not connected.

Check the connection between the amplifier and the

11

 

ter

speaker,

or

very

 

 

 

speaker.

 

 

minimal sound.

 

Listening mode is set to Stereo or Direct.

Set the Listening mode to any mode other than Stereo

34-38

 

 

 

 

 

 

 

 

 

 

or Direct.

 

 

 

 

 

 

 

 

CENTER level is set to minimum.

Set the CENTER level to the appropriate volume.

21

 

 

 

 

 

 

 

CENTER SPEAKER is set to None.

Set CENTER SPEAKER to Large or Small.

18,19

 

No sound or quiet sound

Subwoofer is set to No.

Check the speaker setting.

12

 

from subwoofer

 

Subwoofer speakers output level setting is im-

Check the output level of the Subwoofer using the test

22

 

 

 

 

 

 

 

 

proper.

 

tone.

 

 

PHONO

 

 

 

 

 

 

 

 

 

 

Hum, low-frequency noise.

Poor or no input ground.

Check outer conductor of input plugs.

6

 

 

 

 

 

 

 

Poor or no phono motor ground.

Check for proper ground connection.

6

 

 

 

 

 

 

 

The placement of the audio connection cables

Adjust the placement of the cable to reduce hum.

-

 

 

 

 

 

 

 

 

on the rear panel is incorrect.

 

 

 

 

Howling when the vol-

Turntable and speakers are too close together.

Move them farther apart.

-

 

ume is turned up.

 

 

 

 

 

 

 

Rough

or

 

scratchy

Stylus of turntable pick-up is worn.

Replace.

-

 

sound. High range is not

Turntable stylus tip is dirty.

Clean.

-

 

clear.

 

 

 

 

Treble control too high.

Turn treble control down.

31

 

FM/AM

 

 

 

 

 

 

 

 

 

 

AM stations cannot be

AM loop antenna is not attached.

Connect the included AM loop antenna to the AM an-

14

 

received.

 

 

 

 

 

 

 

tenna terminals.

 

 

Buzzing

noise

on

AM

Noise from electrical apparatus such as fluores-

Move the AM loop antenna to different position.

15

 

(particularly

conspicu-

 

cent lamp.

Set up an outdoor AM antenna.

15

 

ous at night or with

 

 

 

 

 

 

weak stations).

 

 

 

 

 

 

 

 

High-pitched noise or

Noise from TV set.

Place the AM loop antenna as far as possible from the

15

 

buzzing noise on AM.

 

 

 

TV.

 

 

 

 

 

 

 

 

 

 

Move unit away from TV set.

-

 

Crackling noise on AM,

Noise caused by turning fluorescent lamp on

Move antenna as far as possible from the fluorescent

15

 

FM.

 

 

 

 

 

 

and off.

 

lamp.

 

 

 

 

 

 

 

 

Noise from automobile ignition.

Install an FM outdoor antenna as far as possible from

15

 

 

 

 

 

 

 

 

 

 

the road.

 

 

 

 

 

 

 

 

 

 

Change the position or direction of the outdoor an-

15

 

 

 

 

 

 

 

 

 

 

tenna.

 

58

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Integra DTR-7 instruction manual Troubleshooting guide, Cause, Remedy, page