Yamaha A-S500 Instrukcja obsługi - Strona 17

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ADDITIONAL INFORMATION

Refer to the chart below if this unit does not function properly. If the problem you are experiencing is not listed below or

if the instructions below do not help, turn off this unit, disconnect the power cable, and contact the nearest authorized

Yamaha dealer or service center.

■ General

Problems

The power cable is not connected.

This unit is not turned

on. The POWER on

The A button is pressed on the remote

indicator also does

control while this unit is turned off.

not light up.

There is a problem with the internal

circuitries of this unit.

The speaker wires are touching each other

This unit turns off

or shorting out against the rear panel.

suddenly and the

POWER on indicator

blinks.

This unit is turned off

after several seconds

of turning on, and the

POWER on indicator

The speaker is malfunctioning.

blinks.

The protection circuitry has been activated

because of excessive input or excessive

volume level.

The protection circuitry has been activated

due to excessive internal temperature.

The IMPEDANCE SELECTOR switch is

not fully slid to either position.

The IMPEDANCE SELECTOR switch is

not set to the correct position.

This unit has been exposed to a strong

external electric shock (such as lightning

or strong static electricity).

There is a problem with the internal

circuitries of this unit.

TROUBLESHOOTING

Possible Causes

Solutions

Connect the power cable firmly.

Press A switch on the front panel to ON.

Disconnect the power cable and contact the nearest

authorized Yamaha dealer or service center. If an

unusual odor or noise is generated from the unit, do

not turn on the power, disconnect the power cable,

and contact a service center for repair.

Connect the speaker cables properly and press the A

switch again. The INPUT indicators blink and the

volume is decreased automatically. After the volume

has decreased to the lowest setting, the INPUT

indicators stop flashing, the INPUT indicator of the

last input source selected lights up, and the unit may

be used again. Confirm normal sound output from

speakers by increasing the volume gradually, then

operate this unit normally.

Replace the speaker set and press the A switch again.

The INPUT indicators blink and the volume is

decreased automatically. After the volume has

decreased to the lowest setting, the INPUT indicators

stop flashing, the INPUT indicator of the last input

source selected lights up, and the unit may be used

again. Confirm normal sound output from speakers

by increasing the volume gradually, then operate this

unit normally.

Rotate the VOLUME control on the front panel to

decrease the volume level and then turn the power on

again.

Allow about 30 minutes for the temperature inside

this unit to decrease, rotate the VOLUME control on

the front panel to lower the volume and then turn the

power on again. Set the unit in a place where heat can

readily dissipate from the unit.

Turn the power off and slide the IMPEDANCE

SELECTOR switch all the way to the correct

position.

Set the IMPEDANCE SELECTOR switch to the

position that corresponds to the impedance of your

speakers.

Set this unit to standby mode, disconnect the power

cable, plug it back in after 30 seconds, then use the