TROUBLESHOOTING

Problem

Cause

Remedy

Refer to

page

 

 

 

 

 

 

 

The sound suddenly

The protection circuitry has been activated

Check that the impedance selector setting is correct.

24

goes off.

because of a short circuit, etc.

 

 

Check that the speaker wires are not touching each

—

 

 

 

 

other and then turn this 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 to cancel a mute.

32

 

 

 

 

Only the speaker on

Incorrect cable connections.

Connect the cables properly. If the problem persists,

13

one side can be

 

the cables may be defective.

 

heard.

 

 

 

Incorrect balance settings in SET MENU.

Adjust the SPEAKER LEVEL settings.

59

 

 

 

 

 

Only the center

When playing a monaural source with a

 

 

speaker outputs

CINEMA DSP program, the source signal

 

 

substantial sound.

is directed to the center channel, and the

 

 

 

front and surround speakers output effect

 

 

 

sounds.

 

 

 

 

 

 

No sound from the

The sound field programs are turned off.

Press STRAIGHT (EFFECT) to turn them on.

37

effect speakers.

 

 

 

You are using a source or program

Try another sound field program.

48

 

 

combination that does not output sound

 

 

 

from all channels.

 

 

 

 

 

 

No sound from the

The output level of the center speaker is

Raise the level of the center speaker.

59

center speaker.

set to minimum.

 

 

 

 

 

 

 

“CENTER SP” in SET MENU is set to

Select the appropriate setting for the center speaker.

57

 

NONE.

 

 

 

 

 

 

 

One of the HiFi DSP programs (except for

Try another sound field program.

48

 

7ch Stereo) has been selected.

 

 

 

 

 

 

No sound from the

The output level of the surround speakers

Raise the output level of the surround speakers.

59

surround speakers.

is set to minimum.

 

 

 

 

 

 

 

“SURR L/R SP” in SET MENU is set to

Select the appropriate setting for the surround left and

57

 

NONE.

right speakers.

 

 

 

 

 

 

A monaural source is being played with

Press STRAIGHT (EFFECT) to turn on the sound

—

 

STRAIGHT.

fields.

 

 

 

 

 

No sound from the

Presence speakers are selected.

Select surround back speakers in PR/SB SELECT.

61

surround back

 

 

 

“SURR L/R SP” in SET MENU is set to

If the surround left and right speakers are set to

57

speakers.

 

NONE.

NONE, the surround back speaker setting is

 

 

 

automatically set to NONE. Select the appropriate

 

 

 

setting for the surround speakers.

 

 

 

 

 

 

“SURR B L/R SP” in SET MENU is set to

Select LRGx1 or SMLx1.

58

 

NONE.

 

 

 

 

 

 

No sound from the

“LFE/BASS OUT” in SET MENU is set

Select SWFR or BOTH.

58

subwoofer.

to FRNT when a Dolby Digital or DTS

 

 

 

signal is being played.

 

 

 

 

 

 

 

“LFE/BASS OUT” in SET MENU is set

Select BOTH.

58

 

to SWFR or FRNT when a 2-channel

 

 

 

source is being played.

 

 

 

 

 

 

 

The source does not contain low bass

 

 

 

signals.

 

 

 

 

 

 

80

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Image 82
Yamaha DSP-AX750SE Sound suddenly, Goes off, Only the speaker on, One side can be, Heard, Only the center, Speaker outputs
Page 81 Page 83

DSP-AX750SE specifications

The Yamaha DSP-AX750SE is a high-performance audio receiver designed to deliver an immersive home theater experience. Launched as part of Yamaha's renowned lineup of surround sound receivers, the DSP-AX750SE combines advanced technology with user-friendly features, making it a popular choice for both audio enthusiasts and casual listeners.

One of the standout features of the DSP-AX750SE is its impressive audio processing capabilities. Equipped with a powerful DSP (Digital Signal Processor), the receiver supports a variety of surround formats, including Dolby Digital and DTS. This allows users to enjoy a multi-dimensional sound experience, whether they're watching movies or listening to music. The unit can handle up to 7.1 channels, delivering rich and immersive audio that fills any room.

The DSP-AX750SE boasts Yamaha's unique Cinema DSP technology, which simulates the acoustics of various listening environments. With multiple preset sound fields, users can select different modes to enhance their audio experience based on the type of content they’re enjoying, whether it’s a concert, movie, or sports event. This feature stands out in creating a cinematic atmosphere, allowing listeners to feel as if they are part of the action.

Another significant characteristic of the DSP-AX750SE is its versatility in terms of connectivity. The receiver is equipped with multiple inputs and outputs, including HDMI ports, allowing for a seamless connection to modern devices such as Blu-ray players, gaming consoles, and streaming devices. The inclusion of both digital coaxial and optical inputs further enhances its compatibility with various audio sources.

For those who appreciate high-resolution audio, the DSP-AX750SE also supports PCM signals for high-definition sound formats. It comes with a built-in AM/FM tuner, enabling users to enjoy their favorite radio stations. The unit also features a robust power amplifier section, ensuring clean and dynamic audio reproduction even at higher volume levels.

User-friendliness is another key design element of the Yamaha DSP-AX750SE, with an intuitive on-screen menu system that simplifies navigation and setup. The remote control is designed to provide easy access to various functions, allowing users to tweak settings on-the-fly without hassle.

In conclusion, the Yamaha DSP-AX750SE is a feature-rich audio receiver that excels in enhancing the home theater experience. With its advanced processing technologies, versatility in connectivity, and user-friendly design, it is well-suited for anyone looking to create an exceptional audio environment. Whether for movie nights or music playback, the DSP-AX750SE remains a reliable choice for high-performance sound.
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