Sony STR-DB780 User Manual download pdf (Page 58)

58

GB

Troubleshooting (continued)

There is no sound or only a very low-level sound

is heard.

• Check that the speakers and components are

connected securely.

• Check that you have selected the correct

component on the receiver.

• Check that the SPEAKERS ON/OFF is not set to

OFF (page 24).

• Check that the headphones are not connected.

• Press MUTING on the remote to cancel the

muting function.

• The protective device on the receiver has been

activated because of a short circuit. Turn off the

receiver, eliminate the short-circuit problem and

turn on the power again.

The left and right sounds are unbalanced or

reversed.

• Check that the speakers and components are

connected correctly and securely.

• Adjust balance parameters in the LEVEL menu.

There is severe hum or noise.

• Check that the speakers and components are

connected securely.

• Check that the connecting cords are away from a

transformer or motor, and at least 3 meters away

from a TV set or fluorescent light.

• Move your TV away from the audio components.

• Make sure you have grounded U SIGNAL GND

terminal (only when a turntable is connected).

• The plugs and jacks are dirty. Wipe them with a

cloth slightly moistened with alcohol.

There is no sound from the center speaker.

• Make sure the sound field function is on (press

MODE +/–).

• Select the CINEMA STUDIO EX mode (page

34).

• Adjust the speaker level (page 23).

• Make sure the center speaker size parameter is

set to either “SMALL” or “LARGE” (page 21).

There is no sound or only a very low-level sound

is heard from the surround speakers.

• Make sure the sound field function is on (press

MODE +/–).

• Select the CINEMA STUDIO EX mode (page

34).

• Adjust the speaker level (see page 23).

• Make sure the surround speaker size parameter is

set to either “SMALL” or “LARGE” (page 22).

The surround effect cannot be obtained.

• Make sure the sound field function is on (press

MODE +/–).

• Sound fields do not function for the signals with

a sampling frequency of more than 48 kHz.

Dolby Digital or DTS multi channel sound is not

reproduced.

• Check that the playing DVD, etc. is recorded in

Dolby Digital or DTS format.

• When connecting the DVD player, etc. to the

digital input jacks of this receiver, check the

audio setting (settings for the audio output) of the

connected component.

Recording cannot be done.

• Check that the components are connected

correctly.

• Select the source component with FUNCTION

control.

• When recording from a digital component, make

sure the INPUT MODE is set to ANALOG (page

37) before recording with a component

connected to the analog MD/TAPE terminals.

• When recording from a digital component, make

sure the INPUT MODE is set to COAX IN or

OPT IN (page 37) before recording with the

component connected to the DIGITAL MD/

TAPE OUT terminals.

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