Yamaha HTR-6150 Owner's Manual page 90

Troubleshooting
Problem
Dolby Digital or DTS
sources cannot be
played. (Dolby Digital
or DTS indicator in
the front panel
display does not light
up.)
A humming sound is
heard.
The volume level
cannot be increased,
or the sound is
distorted.
The sound effect
cannot be recorded.
A source cannot be
recorded by an
analog component
connected to the
AUDIO OUT (REC)
jacks.
The sound field
parameters and some
other settings of this
unit cannot be
changed.
This unit does not
operate properly.
No sound is heard
from the connected
HDMI component.
"CHECK SP WIRES"
appears in the front
panel display.
There is noise
interference from
digital or radio
frequency equipment.
The picture is
disturbed.
This unit suddenly
enters the standby
mode.
The video conversion
function does not
work.
86
En
Cause
The connected component is not set to
output Dolby Digital or DTS digital
signals.
Audio input jack select is set to
"ANALOG".
Incorrect cable connections.
You are attempting to set the volume level
higher than the maximum volume level.
The component connected to the AUDIO
OUT (REC) jacks of this unit is turned
off.
It is not possible to record the sound effect
with a recording component.
The source component is not connected to
the analog AUDIO IN jacks of this unit.
"MEMORY GUARD" in "OPTION
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.
The HDMI component does not accept the
multi-channel audio signals.
Speaker cables are short-circuited.
This unit is too close to the digital or high-
frequency equipment.
The video source uses scrambled or
encoded signals to prevent dubbing.
The internal temperature is too high and
the overheat protection circuitry has been
activated.
Some digital signals are input via HDMI
jack.
Remedy
Make an appropriate setting following the operating
instructions for your component.
Set Audio input jack select to "AUTO".
Connect the audio cables firmly. If the problem
persists, the cables may be defective.
Adjust "MAX VOL." setting.
Turn on the power of the component.
This is not malfunction.
Connect the source component to the analog AUDIO
IN jacks.
Set "MEMORY GUARD" to "OFF".
Disconnect the power cable from the AC wall outlet
and then plug it in again after about 30 seconds.
Convert the multi-channel audio signals to the 2-
channel audio signals at the source component such
as a DVD player.
Make sure all speaker cables are connected correctly.
Move this unit further away from such equipment.
This in not malfunction.
Wait about 1 hour for this unit to cool down and then
turn it back on.
Turn off the power of the component connected to
HDMI IN jacks.
See
page
—
36
—
69
—
—
15, 19
74
—
—
11
—
—
—
15