Yamaha TX4n Manuel du propriétaire - Page 15

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Troubleshooting

Symptom

No sound from the

The cable is not connected properly.

speaker

The gain or attenuator setting has low-

ered the level.

The [MUTE] button is on.

The protection circuit has operated, mut-

ing the output.

Noise from the speaker

The word clock from the slot input is not

synchronized with the master clock.

Analog input level is exceeding the input

sensitivity setting.

An alert message is dis-

An ampliﬁer malfunction or other alert event

played

related to the ampliﬁer audio has occurred.

Panel operations are not

The unit is locked.

accepted

A scene can be saved

Scene Recall Enable is turned OFF.

but not recalled

Library can be recalled,

You cannot save library data from the

but not saved

TXn front panel.

All scene data saved in

The power was turned off while the TXn's

the TXn has disappeared

data was being saved.

To return to the default

parameter values

Initializing the internal memory

You can initialize the amp's internal memory. As desired, you can initialize the following two types of data.

• User Data: Initialize all user data except for the event log and speaker processor library.

• Library: Initialize only the speaker processor library.

• When you initialize the internal memory, the settings that had been stored will be lost. Use the following procedure with

caution.

CAUTION

Power-off the TXn.

While holding down the [HOME] key, turn on the power; the Initialize screen will appear.

Use encoder A to select the data that you want to initialize, and press the [ENTER] button to execute initial-

ization.

When initialization is completed, the amp will automatically restart.

• During initialization, the display will show the message "Do not turn off!" Never turn off the amp while this message is

displayed.

CAUTION

Possible causes

–

Response

Make the correct connections to the audio input jack and the

speaker output jack.

Gain is adjusted by the MENU screen → General → Sensitiv-

ity/Amp Gain. Attenuator is adjusted by turning the encoder in

the HOME screen.

If the front panel [MUTE] indicator is on, hold down the

[MUTE] button for one second or longer to cancel muting.

If the ampliﬁer has overheated, clean the ﬁlter elements and

improve the ventilation around the ampliﬁer. If the power sup-

ply has malfunctioned, contact your Yamaha dealer.

Select the word clock from the slot as the master clock, or

turn Auto Scan Mode on.

Adjust MENU screen → General → Sensitivity/Amp Gain set-

ting according to the input level.

For details on the meaning of each alert message and the appro-

priate measures to take, refer to the Amp Editor Owner's Manual.

Refer to "Front Panel Operation" in the TX6n/5n/4n Reference

Manual.

Turn the UTILITY screen → Scene Setup → Scene Recall

Enable setting ON.

Save the library data from Amp Editor.

If you saved the project in Amp Editor, synchronize from Amp

Editor to the TXn.

Recalling a scene 00 (default setting scene) will return all the

parameters other than those in the UTILITY settings to their

default values. The TXn allows you to edit a wide variety of

parameters, but can also be used as an analog ampliﬁer by

returning to the default parameter values. Default values of

the main parameters are STEREO for ampliﬁer mode, 26dB

for gain, and -∞dB for attenuation.

Refer to the TX6n/5n/4n Reference Manual for detailed infor-

mation on scenes.

TX6n/5n/4n Owner's Manual