Yamaha YHT-S401 Owner's Manual download pdf (Page 30)

26 En

Troubleshooting

■ HDMI

The volume level

decreases without any

operation.

The volume level is automatically set to

70 the next time you turn on the unit to

protect the speakers.

Sound is poor (noisy).

A speaker cable may be shorted. Make sure all cables are connected properly.

8

This unit does not

operate properly.

This unit may receive a strong electrical

shock, such as from a lightening bolt or

excessive static electricity, or drop in

power supply.

Set this unit to standby mode, and then

disconnect the power cable. Wait for about 30

seconds, connect the power cable, and then turn

on this unit.

10

A digital or high-

frequency equipment

produces noises.

The unit may be placed close to digital

equipment or high-frequency equipment.

Place this unit farther away from such

equipment.

—

The unit settings

change automatically.

When “3-1:CONTROL” in the setup

menu “3:HDMI SETUP” is set to “ON”,

operations of the TV (for example,

changing channels, etc.) may change the

unit settings, such as the surround mode.

Set “3-1:CONTROL” in the setup menu

“3:HDMI SETUP” to “OFF” or set the unit

again by using its remote control. 19

The remote control

does not operate the

unit.

The unit may be outside the remote

control operation range.

For information on the remote control operation

range, refer to “Remote control preparation”.

2

The remote control sensor of this unit

may be exposed to direct sunlight or

lighting.

Change the lighting.

—

The batteries may be worn out. Replace the batteries. 2

The TV remote control

does not work even

when the remote signal

receptor is attached to

the top of the speaker.

The position of TV remote signal

receptor is not appropriate.

Move the TV remote signal receptor to right/left

so as to place its center to the front of TV

remote control sensor.

6

Place the TV remote signal receptor

approximately 10 mm away from TV.

6

The TV remote signal receptor is facing

an incompatible sensor, such as a sensor

for detecting the brightness of the room.

Place the TV remote signal receptor after

confirming the position of remote control sensor

by referring to the manual of your TV.

6

Problem Cause Solution

See

page

“AUTO” set in the

option menu “2.AUDIO

DELAY” does not

operate.

The TV does not support automatically

adjusting the audio delay.

Adjust the delay time manually (0 to 500 ms).

22

The HDMI control

function does not

operate properly.

The number of the connected HDMI

components is over the limit.

Disconnect some of the HDMI components.

—

Add the connection of HDMI

components

Set “3-1:CONTROL” in the “3:HDMI SETUP”

to “ON” again.

19

No picture or sound

The connected HDMI component does

not support high-bandwidth digital

copyright protection (HDCP).

Connect the HDMI component that supports

HDCP. —

Problem Cause Solution

See

page

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