Troubleshooting / 疑難排除 - Sony HT-ST7 Operating Instructions Manual

Troubleshooting / 疑難排除
See the Reference Guide for more FAQs.
No TV sound is output from the system.
• Make sure the input source is selected correctly. You should try other input
sources by pressing the INPUT button several times (page 9).
• Check the connection of the HDMI cable, digital optical cable, or audio cable that
is connected to the system and the TV (page 6, 7).
• Check the sound output of the TV.
No sound from the connected BLUETOOTH device is output from the system.
• Make sure the BLUETOOTH indicator is lit in blue (page 12).
• Make sure this system is located not too far from the BLUETOOTH device, or
the system is not subject to interference from a Wi‐Fi network, other 2.4 GHz
wireless device, or a microwave oven.
BLUETOOTH connection cannot be completed.
• Pair this system and the BLUETOOTH device again.
– You may need to cancel the pairing with this system using your BLUETOOTH
device first.
No sound is output from the subwoofer.
• Make sure the AC power cord (mains lead) of the subwoofer is connected
(page 8).
• Make sure the wireless transceivers are inserted correctly (page 5).
• If the  indicator is off:
– Check that the AC power cord (mains lead) of the subwoofer is connected
securely.
– Turn the subwoofer on by pressing the  button on the subwoofer.
• If the  indicator flashes in green quickly:
First press the  button on the subwoofer, then insert the wireless transceiver
into the subwoofer correctly, and press the  button on the subwoofer again.
• If the  indicator flashes in red:
Press the  button to turn off the subwoofer, and check that nothing is
blocking the ventilation holes of the subwoofer.
The system is turned off automatically.
• The A. STBY function is set (page 18).
TV remote control does not work.
• This problem might be solved by using the IR blaster. Refer to the Reference
Guide.
21