Sony STR-DE485 Operating Instructions Manual page 38

On safety
Should any solid obj_t or liquid fMl into the cabinet,
unplug the receiver and have it checked by qualified
pel\_onnel before operating it any further.
On power sources
• Before operating the unit, check that the operating
voltage is identical with your local power supply.
The operating voltage is indicated on the nameplate
at the rear of the receiver.
• The unit is not disconnected from the AC power
somme (mains) as long as it is connected to the wall
outlet, even if lhe receiver itself has been mined oft.
• If you are not going to use the receiver for a long
time, be sm'e to disconnect the receiver from the
wall outlet. To disconn_t the AC power cord, grasp
the plug itselt_ never pull the cord.
• (Models of area code U, CA only)
One blade of the plug is wider than the otber for the
puroose of safety and will tR into the wall outlet
only one way. If you are unable to insert tbe plug
fully into the outlet, contact your dealer.
• AC power cord must be changed only at lbe
qualified service shop.
On heat buildup
Although tile ttnit heats up dttring operation, fills is
not a malfunction. If you continuously use this unit at
a large volume, the cabinet temperatm_ of the top,
side and bottom rises considerably. To avoid burning
yourselt; do not touch the cabinet.
On placement
• Place die receiver in a location wifll adequale
ventilation to prevent heat buildup and prolong the
life of the _eiver.
• Do not place the receiver near heat sources, or hi a
place subject to direct starlight, excessive dust or
mechanical shock.
• Do not place anything on top of the cabinet that
might block lhe ventilation holes and cause
malfunctions.
On operation
Before connecting other components, be sure to turn
off and unplug the receiver.
On cleaning
(_'lean tile cabinet, panel and controls with a soft cloth
slightly moistened with a mild detergenl solution. Do
not use any type of abrasive pad, scouring powder or
solvenl such as alcohol or benzine.
If you have any question or problem concerning your
receiver, please consult your nearest Sony dealer.
if you experience _my of the following
difficulties while using the receiver, use this
troubleshooting guide to help you remedy the
problem. Also, see "Checking the connections"
on page 20 to verify lhal the connections are
correct. Should _my problem persist, consult
your nearest Sony dealer.
There is no sound or only a very low-level sound
no matter which component is selected.
• Check that the speakers and components are
connected secttrely and correctly.
• Check that both the receiver and al! components
ale turned on.
• Check that tbe MASTER VOLUME control is
not set at VOL MIN.
• Press MUTING to cancel the muting function.
• Check that the headphones are not connected.
• The protective device on the receiver has been
activated because of a short circuit ("PROTECT"
flashes). Turn off the receivel; eliminale the
short-circuit problem and turn on lbe power
again.
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