Troubleshooting - Yamaha HS Series Owner's Manual

Troubleshooting

Symptom
The speakers do not turn
on, or the front panel
indicator does not light
up.
No sound.
The sound is noisy or
distorted.
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HS4, HS3 Owner's Manual
Possible Cause
The power cord might not be con-
nected properly.
The power switch might not be
turned on.
One or more cables might not be
connected properly.
No signal output is received from
external devices.
The level setting might be too low.
One or more cables might be corrod-
ed, shorted or otherwise broken.
The speakers might be picking up
external noise.
Solution
Connect the power cord properly.
Turn the power switch and knob on
(first the rear switch and then the
front knob). If the power still does not
turn on, contact your Yamaha dealer.
Connect the cables properly.
Make sure that the external devices
are outputting signals.
Raise the output level from the exter-
nal devices.
Replace any faulty cables.
Try changing the position or layout of
the cables.
Try changing the location of other
devices near the speakers.