Troubleshooting - Sony STR-DN840 Operating Instructions Manual

• Sony cannot be held liable in any way for
damages or other loss resulting from
information leaks during communication
using Bluetooth technology.
• Bluetooth communication is not
necessarily guaranteed with all Bluetooth
devices that have the same profile as this
receiver.
• Bluetooth devices connected with this
receiver must comply with the Bluetooth
specification prescribed by the Bluetooth
SIG, Inc., and must be certified to
comply. However, even when a device
complies with the Bluetooth
specification, there may be cases where
the characteristics or specifications of the
Bluetooth device make it impossible to
connect, or may result in different control
methods, display or operation.
• Noise may occur or the audio may cut off
depending on the Bluetooth device
connected with this receiver, the
communications environment, or
surrounding conditions.
If you have any questions or problems
concerning your receiver, please consult
your nearest Sony dealer.
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Troubleshooting

If you experience any of the following
difficulties while using the receiver, use
this troubleshooting guide to help you
remedy the problem. Should any problem
persist, consult your nearest Sony dealer.
Note that if service personnel changes
some parts during repair, these parts may
be retained.
Power
The receiver is turned off
automatically.
• "Auto Standby" is set to "On"
(page 97).
• The Sleep Timer function is working
(page 15).
• "PROTECTOR" is working
(page 118).
The ?/1 (on/standby) indicator flashes
in quick succession.
• The software update has error. Unplug
the power cord, and then plug in the
power cord again. The receiver will try
to update the software. If the indicator
continues to flash in quick succession,
contact your nearest Sony dealer.
Image
No image appears on the TV.
• Select the appropriate input using the
input buttons.
• Set your TV to the appropriate input
mode.
• Move your audio equipment away
from the TV.
• Make sure that cables are correctly and
securely connected to equipment.