TROUBLESHOOTING

Refer to the chart below when this unit does not function properly. If the problem you are experiencing is not listed below or if the instruction below does not help, set this unit to standby mode, disconnect the power cord, and contact the nearest authorized YAMAHA dealer or service center.

■General

Problem

Cause

Remedy

Refer to

 

 

 

page

 

 

 

 

This unit fails to turn

The power cord is not connected or the

Connect the power cord firmly.

–

on when STANDBY/

plug is not completely inserted.

 

 

ON (or SYSTEM

 

 

 

 

 

 

POWER) is pressed,

The IMPEDANCE SELECTOR switch on

Set the switch fully to the left or right position when

16

or enters in standby

the rear panel is not fully set to either the

this unit is in standby mode.

 

mode soon after the

left or right position.

 

 

power has been

 

 

 

 

 

 

turned on.

The protection circuitry has been

Make sure all speaker wire connections on this unit

16 – 17

 

activated.

and on all speakers are secure and that the wire for

 

 

 

each connection is not touching anything other than

 

 

 

its respective connection.

 

 

 

 

 

 

This unit has been exposed to a strong

Set this unit in standby mode, disconnect the power

–

 

external electric shock (such as lightning

cord, plug it back in after 30 seconds, then use it

 

 

and strong static electricity).

normally.

 

 

 

 

 

No sound.

Incorrect input or output cable connec-

Connect the cables properly. If the problem persists,

10 – 17

 

tions.

the cables may be defective.

 

 

 

 

 

 

No appropriate input source is selected.

Select an appropriate input source with INPUT or

22

 

 

6CH INPUT (or the input selector buttons).

 

 

 

 

 

 

The speaker connections are not secure.

Secure the connections.

16 – 17

 

 

 

 

 

The main speakers have not been selected

Select the main speakers with SPEAKERS A and/or

22

 

properly.

B.

 

 

 

 

 

 

The volume is turned down.

Turn up the volume.

23

 

 

 

 

 

The sound is muted.

Press MUTE or any operation buttons on the unit to

–

 

 

cancel mute and adjust the volume.

 

 

 

 

 

 

Digital signals which this unit cannot

Play a source whose signals this unit can reproduce.

–

 

reproduce are being received from a

 

 

 

source component e.g; a CD-ROM.

 

 

 

 

 

 

The picture does not

The output and input for the picture are

Connect components using the same type of video

10 – 11

appear.

connected to different types of video

jacks (S VIDEO, VIDEO (composite), or COMPO-

 

 

jacks.

NENT VIDEO) for both the input and output.

 

 

 

 

 

The sound suddenly

The protection circuit has been activated

Check the IMPEDANCE SELECTOR switch is set to

16

goes off.

because of a short circuit, etc.

the appropriate position and then turn the unit back

 

 

 

on.

 

 

 

 

 

 

 

Check the speaker wires are not touching each other

–

 

 

and then turn the unit back on.

 

 

 

 

 

 

The sleep timer has turned the unit off.

Turn on the power, and play the source again.

–

 

 

 

 

 

The sound is muted.

Press MUTE or any operation buttons on the unit to

–

 

 

cancel a mute and adjust the volume.

 

 

 

 

 

INFORMATION

ADDITIONAL

 

 

English

51

Page 54 Page 56
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Yamaha HTR-5640 owner manual Troubleshooting, General
Page 54 Page 56

HTR-5640 specifications

The Yamaha HTR-5640 is a versatile 5.1-channel home theater receiver that combines affordability with advanced features, making it a popular choice among audio enthusiasts and casual listeners alike. This receiver is designed to deliver high-fidelity sound and provides plenty of connectivity options, making it an ideal addition to any home entertainment system.

One of the standout features of the HTR-5640 is its powerful amplification, rated at 100 watts per channel. This ensures that audio playback is robust and clear, capable of filling larger rooms with rich sound. The receiver supports multiple surround sound formats, including Dolby Digital and DTS, allowing users to enjoy a cinematic experience at home, enhancing the enjoyment of movies and music.

The HTR-5640 boasts a wide range of input options, featuring multiple HDMI inputs, coaxial and optical digital inputs, as well as standard RCA connections. This versatility allows users to connect various devices such as Blu-ray players, gaming consoles, and streaming devices without hassle. Furthermore, it supports component video and composite video inputs, making it compatible with older equipment as well.

Yamaha's proprietary YPAO (Yamaha Parametric room Acoustic Optimizer) technology is another key component of the HTR-5640. This system automatically calibrates the receiver to optimize sound performance based on the specific acoustics of the room, ensuring that audio playback is tailored to the listening environment. This feature is particularly useful for users who may not have extensive knowledge about audio setup.

Additionally, the HTR-5640 includes an AM/FM tuner, allowing users to enjoy their favorite radio stations. The built-in on-screen display makes navigation and setup user-friendly, with a remote control included for added convenience. The receiver also features multiple sound modes, which enhance audio playback depending on the content being viewed or listened to.

In summary, the Yamaha HTR-5640 offers an impressive array of features and technologies that cater to both casual users and audiophiles. Its combination of power, sound optimization technology, and extensive connectivity options makes it a reliable solution for anyone looking to enhance their home entertainment experience. Whether you're watching movies, playing video games, or listening to music, the HTR-5640 is engineered to deliver an immersive audio experience that stands the test of time.
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