Yamaha DSP-AX1 Owner's Manual page 82

Problem
No sound is coming from the
Effect speakers.
No sound is coming from the
Front Effect speakers.
No sound is coming from the
Center speaker.
No sound is coming from the
Rear Effect speakers.
No sound is coming from the
Subwoofer.
Poor bass reproduction.
The volume level cannot be
increased, or sound is
distorted.
DSP parameters and some
other settings on this unit
cannot be changed.
This unit does not operate
properly.
80
Troubleshooting
Possible Cause
The effect is off.
A Dolby Surround or DTS decoding sound
field program is being used with material
not encoded with Dolby Surround or DTS.
PRO LOGIC/Normal, DOLBY DIGITAL/
Normal or DTS DIGITAL SUR./Normal of
DSP program 12 is selected.
The front level is turned to minimum.
The 1F. FRNT EFCT item in the SET
MENU is set to "NONE".
The 1A. CENTER SP item in the SET
MENU is set to "NONE".
One of the Hi-Fi DSP sound field
programs (1 to 6) is selected.
The input signals of a source encoded
with Dolby Digital or DTS do not include
center channel signals.
The right and left Rear speaker levels are
set to minimum.
A monaural source is played with sound
field program 12.
The 1E. LFE/BASS OUT item in the SET
MENU is set to "MAIN" when a Dolby
Digital or DTS encoded software is
played.
The 1E. LFE/BASS OUT item in the SET
MENU is set to "SW" or "MAIN" when a 2-
channel encoded software is played.
The 1E. LFE/BASS OUT item in the SET
MENU is set to "SW" or "BOTH" and your
system does not include a subwoofer.
The output mode selection for each
channel (MAIN, CENTER or REAR) in the
SET MENU does not match your speaker
configuration.
The power to the equipment connected to
the REC OUT jacks of this unit is off.
The 13. MEMORY GUARD item in the
SET MENU is set to "ON".
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.
What to Do
Press EFFECT to turn on the effect sound.
Select another sound field program.
Select another sound field program.
Adjust the Front Effect speaker level (see
page 63).
Select "YES" (see page 41).
Select the appropriate mode for your Center
speaker (see page 39).
Select another sound field program.
Refer to the instructions for the source
currently playing.
Increase the right and left Rear speaker
levels (see page 63).
Select another sound field program.
Select "SW" or "BOTH" (see page 40).
Select "BOTH" (see page 40).
Select "MAIN" (see page 40).
Select the appropriate output mode for each
channel based on the size of the speakers in
your configuration (see pages 37 through
41).
Turn on the power to the equipment.
Select "OFF" (see page 48).
Disconnect the AC power cord from the
outlet, then plug it in again after about one
minute.