Sony STR-D315 - Manual (Page 16)

Troubleshooting Guide
Problem Cause Solution
There is lack of bass sound or the
instrument position is obscure. The ®/0 coimection 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 feel)
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 ground wire to the
antenna ground terminal.
The connections 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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