Sony DAV-DZ680 Operating Instructions Manual page 99

Symptom
Even though you set the aspect
ratio in [TV TYPE] of [VIDEO
SETUP], the picture does not fill
the TV screen.
Color irregularity occurs on the
TV screen.
Sound
Symptom
There is no sound.
No sound is output from the
HDMI OUT jack.
The left and right sounds are
unbalanced or reversed.
There is no sound from the
subwoofer.
Severe hum or noise is heard.
The sound loses stereo effect
when you play a VIDEO CD, a
CD, or an MP3 file.
Remedy
• The aspect ratio on the disc is fixed.
The system's speakers contain magnet parts, so magnetic distortion may occur.
When color irregularity occurs on the TV screen, check the following items.
• If the speakers are used with a CRT-based TV or projector, install the speakers
at least 0.3 meters (1.0 ft) from the TV set.
• If the color irregularity persists, turn off the TV set once, then turn it on after 15
to 30 minutes.
• If howling occurs, reposition the speakers farther away from the TV set.
• Make sure that no magnetic object (magnetic latch on a TV stand, health care
device, toy, etc.) is placed near the speakers.
Remedy
• The speaker cord is not connected securely.
• Press MUTING on the remote if "MUTING ON" is displayed in the front panel
display.
• The system is in pause mode or in Slow-motion Play mode. Press H to return
to normal play mode.
• Fast forward or fast reverse is being performed. Press H to return to normal
play mode.
• Check the speaker settings (page 58).
• The component connected to the HDMI OUT jack does not conform to the
audio signal format, in this case set [AUDIO (HDMI)] in [HDMI SETUP] to
[ON] (page 56).
• Set [AUDIO (HDMI)] in [HDMI SETUP] to [ON] (page 56).
• The HDMI OUT jack is connected to a DVI (Digital Visual Interface) device
(DVI (Digital Visual Interface) jacks do not accept audio signals).
• The HDMI OUT jack does not output Super Audio CD sound.
• Try the following: 1 Turn the system off and on again. 2 Turn the connected
component off and on again. 3 Disconnect and then connect the HDMI cable
again.
• Check that the speakers and components are connected correctly and securely.
• Check the speaker connections and settings (pages 22, 58).
• Check that the speakers and components are connected securely.
• Check that the connecting cords are away from a transformer or motor, and at
least 3 meters (10 ft) away from your TV set or a fluorescent light.
• Move your TV away from the audio components.
• The plugs and jacks are dirty. Wipe them with a cloth slightly moistened with
alcohol.
• Clean the disc.
• Select stereo sound by pressing AUDIO (page 37).
• Make sure the unit is connected properly.
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