Troubleshooting - Sony HT-ST3 Reference Manual

HDMI OUT ARC(TV) jack may be distorted or may not be output. In
this case, check the specification of the connected equipment.
When "TV" is selected for the input source of the system, video

signals via one of the HDMI IN jacks that was selected last time are
output from the HDMI OUT ARC(TV) jack.
 This system supports Deep Color, "x.v.Colour," 3D, and 4K
transmission.
To enjoy 3D images, connect a 3D-compatible TV and video

equipment (Blu-ray Disc player, "PlayStation
using High Speed HDMI cables, put on 3D glasses, and then play
back 3D compatible Blu-ray Disc.
 To enjoy 4K images, the TV and players that are connected to the
system must be compatible with the 4K images.

Troubleshooting

If you experience any of the following difficulties while using the
system, use this troubleshooting guide to help remedy the problem
before requesting repairs. Should any problem persist, consult your
nearest Sony dealer.
POWER
The system is not turned on.
 Check that the AC power cord (mains lead) is connected securely.
The system is turned off automatically.
 The "A. STBY" function is working. Set "A. STBY" to "OFF" (refer to
"Adjusting the settings" in the Operating Instructions).
SOUND
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
(refer to "Listening to the audio" in the Operating Instructions).
3," etc.) to the system
®
 Check the connection of the HDMI cable, digital optical cable, or
audio cable that is connected to the system and the TV (refer to
"Connection" in the Operating Instructions).
 Check that "TV" is displayed as the input source on the front panel
display.
 Check the sound output of the TV.
 Check to make sure the TV sound volume is not too low or muted.
 When a TV compatible with the Audio Return Channel (ARC)
technology is connected with an HDMI cable, check to make sure
the cable is connected to the HDMI (ARC) jack of the TV.
 If the TV is not compatible with the Audio Return Channel (ARC)
technology, connect the digital optical cable in addition to the HDMI
cable in order to output sound.
The sound is output from both the system and the TV.
 Turn off the sound of the system or the TV.
Sound lags behind the TV image.
 Set "SYNC" to "OFF" if it is set to any of 1 to 4 (refer to "Adjusting the
settings" in the Operating Instructions).
No sound or only a very low-level sound is heard from the Bar
Speaker or the subwoofer.
 Press VOL + and check the volume level (refer to "Parts and
controls" in the Operating Instructions).
 Press MUTING on the remote control or VOL + to cancel the muting
function (refer to "Parts and controls" in the Operating Instructions).
 Check that the speaker cords of the Bar Speaker are inserted to the
subwoofer securely.
 Make sure the input source is selected correctly. You should try
other input sources by pressing the INPUT button several times
(refer to "Listening to the audio" in the Operating Instructions).
 Check that the input source is correctly selected.
 Check that all the cables and cords of the system and the connected
equipment are fully inserted.
 Press SW VOL + on the remote control to turn up the volume level
of the subwoofer (refer to "Parts and controls" in the Operating
Instructions).
 A subwoofer is for reproducing bass sound. In the case of input
sources that contain very little bass sound components (i.e., a TV
broadcast), the sound from the subwoofer may be difficult to hear.
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