Yamaha YHT-392 Owner's Manual download pdf (Page 48)

46 En

APPENDIX

Refer to the table 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, turn off this unit, disconnect the power cable, and contact the nearest authorized

Yamaha dealer or service center.

Troubleshooting

General

Problem Cause Remedy

See

page

This unit fails to turn

on or enters the

standby mode soon

after the power is

turned on.

The power cable is not connected or the

plug is not completely inserted.

Connect the power cable properly to an AC wall

outlet.

—

(When this unit is turned back on and

“CHECK SP WIRES!” is displayed.) The

protection circuitry has been activated

because this unit was turned on while a

speaker cable was shorted.

Make sure that all speaker cables between this unit

and speakers are connected properly.

This unit cannot be

turned off.

The internal microcomputer is frozen due

to an external electric shock (such as

lightning or excessive static electricity) or

by a drop in power supply voltage.

Disconnect the power cable from the AC wall outlet,

wait about 30 seconds and then plug it in again.

—

No sound. “Audio” in “1 HDMI” of Function Setup

is set to “TV.”

Select a choice for “Audio”

(Func. Setup→1 HDMI→Audio) other than “TV.”

A proper audio decoder is not selected. Display the OPTION menu and set “Decoder Mode”

to “Auto.”

Incorrect input or output cable

connections.

Connect the cables properly. If the problem persists,

the cables may be defective.

14-16

No appropriate input source has been

selected.

Select an appropriate input source with NINPUT l

/ h or the gInput selection keys on the

remote control.

Speaker connections are not secure. Secure the connections. 11

The volume is turned down or muted. Turn up the volume. —

Signals this unit cannot reproduce are

being input from a source component,

such as a CD-ROM.

Display Signal info of the option menu and check the

input signal format.

If “No Signal” is displayed, check if the playback

component is properly connected to this unit (or a

proper input source is selected).

If “___” is displayed, the input signal in that format

cannot be reproduced by this unit.

—

The HDMI components connected to this

unit do not support the HDCP copy

protection standards.

Connect HDMI components that support the HDCP

copy protection standards.

No picture. An appropriate video input is not selected

on the monitor.

Select an appropriate video input on the monitor. —

The composite output terminals are used

to output a component video signal, or the

COMPONENT VIDEO jacks are used to

output a composite video signal.

Connect it to the COMPONENT OUT jacks or the

composite output terminals and select an appropriate

video input on the monitor.

Non-standard video signals are input. Connect the monitor to this unit via the

COMPONENT OUT jacks or the composite output

terminals.

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Yamaha YHT-392 Owner's Manual Page 48

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