Yamaha RX-V620 Mode D'emploi page 64

TROUBLESHOOTING
Problem
No sound from the
effect speakers.
No sound from the
center speaker.
No sound from the
rear speakers.
No sound from the
subwoofer.
Poor bass
reproduction.
A "humming" sound
can be heard.
The volume level is
low while playing a
record.
60
Cause
The sound effect is off.
A Dolby Surround, Dolby Digital or DTS
decoding DSP program is being used with
material not encoded with Dolby Surround,
Dolby Digital or DTS.
A 96-kHz sampling digital signal is being
input to this unit.
The output level of the center speaker is set
to minimum.
"1A CENTER SP" on the SET MENU is
set to NONE.
One of the Hi-Fi DSP programs (1 to 4)
has been selected.
The source encoded with a Dolby Digital
or DTS signal does not have a center
channel signal.
The output level of the rear speakers is set
to minimum.
A monaural source is being played with the
program 9.
"1D LFE/BASS OUT" on the SET MENU
is set to MAIN when a Dolby Digital or
DTS signal is being played.
"1D LFE/BASS OUT" on the SET MENU
is set to SWFR or MAIN when a 2-channel
source is being played.
The source does not contain low bass
signals (90 Hz and below).
"1D LFE/BASS OUT" on the SET MENU
is set to SWFR or BOTH and your system
does not include a subwoofer.
The output mode for each speaker (main,
center or rear) on the SET MENU does not
match your speaker configuration.
Incorrect cable connections.
No connection from the turntable to the
GND terminal.
The record is being played on a
turntable with an MC cartridge.
Remedy
Press EFFECT to turn it on.
Select another DSP program.
Raise the level of the center speaker.
Select the appropriate mode for your center
speaker.
Select another DSP program.
Raise the output level of the rear speakers.
Select another DSP program.
Select SWFR or BOTH.
Select BOTH.
Select MAIN.
Select the appropriate output mode for each
speaker based on the size of the speakers in
your configuration.
Firmly connect the audio plugs. If the
problem persists, the cables may be
defective.
Connect the grounding cord of your
turntable to the GND terminal of this unit.
The turntable should be connected to the unit
through an MC-head amplifier.
Refer to
page
28
51, 52
24
42
36
51, 52
—
42
51, 52
38
38
—
38
36, 37
12 – 15
12, 13
12