Sony STR-D515 User Manual download pdf (Page 20)

Troubleshooting Guide

Problem

Cause

Solution

There is an abrupt loss of sound from

one or both of the speakers, or the

PROTECT indicator flickers in the

display window.

A short-circuit problem activates the

protective circuit.

Turn off the unit, eliminate the short-

circuit problem and turn on the power

again. If there is no short-circuit

problem, consult your nearest Sony

dealer.

Sound is heard orUy at a very low

volume.

MUTING has been pressed. (The

muting indicator is lit.)

Press the button to cancel the muting

function.

Sound is heard only from one channel,

or the volume from the left and right

speakers is unbalanced.

The BALANCE control is not set

appropriately.

Adjust the BALANCE control.

The speaker or program source is not

cormected correctly.

Check and properly connect the

equipment.

Soimd from the speakers is reversed.

The speakers are not connected

correctly.

Connect the right speaker to the R

SPEAKER terminals and the left

speaker to the L SPEAKER terminals.

There is lack of bass sound or the

instrument position is obscure.

The ®/© connection of the speaker is

reversed.

Connect the speaker with the correct

phase.

Severe hum or noise is heard.

The connecting cords are not shielded

type.

Use shielded type cords.

A transformer, motor, TV or

fluorescent light affects the connecting

cords.

Place the connecting cords in a

location away from a transformer or

motor, and at least 3 meters (10 feet)

from a TV set or a fluorescent light.

The audio components are too close to

a TV set.

Place TV away from the audio

components.

The unit is not grounded.

Connect the groimd wire to the

antenna ground terminal.

The coimections are loose.

Make secure connections.

The plugs and jacks are dirty.

Wipe the plugs and jacks with a cloth

lightly dampened with alcohol.

The remote commander will not

operate.

The batteries are exhausted.

Replace the batteries with new ones.

The commander head is not pointed

toward the unit's front.

Point the commander head toward the

receiver.

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