Yamaha YSP-800 - Manuale (Pagina 90)

88
TROUBLESHOOTING
Problem Cause Remedy
See
page
Surround sound effects are
insubstantial. The listening room is not a regular shape. Install this unit in a square or rectangular
shaped room. —
There is no wall in the path of the sound
beam. Try placing a flat object, such as a board,
in the path of the sound beam. —
Dolby Digital or DTS sources
cannot be played. (Dolby Digital or
DTS indicator does not light up in
the front panel display.) The connected component is not set to
output Dolby Digital or DTS digital
signals. Make an appropriate setting following
the operating instructions for your
component. —
The input mode is set to ANALOG. Set the input mode to AUTO. 81
There is noise interference when a
subwoofer is not connected to this
unit. The protection circuitry was in operation
because a source with strong bass
elements was played back. Turn down the volume level. 38
Select SWFR for BASS OUT. 70
Connect a subwoofer and adjust settings
for SUBWOOFER SET. 70
Low frequency sounds are
distorted. CROSS OVER in SUBWOOFER SET is
set incorrectly. Set CROSS OVER correctly. 70
On-screen display does not
appear. The OSD video pin cable is not
connected properly. Connect the cable properly. 15
TV is not selected as the input source. Select TV as the input source. 37
No picture is displayed for
external components, such as a
DVD player. The video cable is not connected
properly. Connect the cable properly. 15
TV is not selected as the input source. Select TV as the input source. 37
This unit does not operate
properly. The internal microcomputer has been
frozen by an external electric shock
(such as lightning or excessive static
electricity) or by a power supply with
low voltage. Disconnect the AC power cable from the
outlet and then plug it in again after
about 30 seconds. —
There is noise interference from
digital or high-frequency
equipment. This unit is too close to the digital or
high-frequency equipment. Move this unit further away from such
equipment. —
This unit does not output effect
sounds properly. The original source includes surround
effects. Disable surround effect settings on this
unit. —