Yamaha RX-497 owner manual General, Problem Cause

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, set this unit to the standby mode, disconnect the power cord, and contact the nearest

authorized YAMAHA dealer or service center.

•General

See

Problem

Cause

This

unit

fails

to

turn

Tile

power

supply

cozd

is not connected 02

on.

the plug

is not

completely

inserted

The impedance setting is inconect.

The protection circuitzy ha s been activated

because of a shozl" circuit, etc.

The IMPEDANCE

SELECTOR

switch on

the rear panel is not set to either end

This unit has been exposed to a strong

external electric shock (such as lightning

or strong

static

electzici_,),

No sound

Inconect

input

or

output

cable

connections

No aplJropriate input source has been

selected,

The SPEAKERS _ZL'Bswitches are not set

properly.

Speaker connections are not secme.

The

sound

suddenly

The

protection

circuitz T ha s been

activated

goes

off.

because

ofa

shozt

circuit,

etc.

Only

the

speaker

on

Inconect

cable

connections

one

side

can

be

heard.

Inconect setting fo_ the BALANCE

cotmol,

There

is

a

lack

of

bass

The

+ and

wires

are connected

in

and

no

ambience,

reverse

at the

amplifier

or

tile speakms

A "humming"

sound

Inconect

cable

connections

can

be

heard,

No connection from the turntable to the

GND

terminal,

The

volume

level

is

The

record

is

being played

on a

turntable

low

while

playing

a

with

an

MC

camidge

record.

The volume levelTile component connected to tile MDi

cannot be increased, TAPE OUT jacks of this unit is ammd off. or the sound is

distorted.

Remedy

Connect tile powm supply cozd fimfl_

Set the impedance to match yore speakers.

Check that the speaker wires are not touching each other and then alrn the power of this unit back on

Set the IMPEDANCE SELECTOR switch to either end when the powa of this unit is turned otl_

Set this trait to the standby mode, disconnect the power supply cord, plug it back in after 30 seconds, then use it nonnally.

Connect the cables properly If tile problem persists, the cables may be defective

Select an appropriate input somce with the INPUT

selector on the fiont panel (or one of the input selector buttons on the remote control)

Turn on the conesponding SPEAKERS A or

SPEAKERS B.

Secllre tile connections.

Check that the IMPEDANCE SELECTOR setting is conect.

Check that the speaker wires are not touching each other and then alrn the power of this unit back on

Connect the cables properly. If the problem pmsists, the cables may be defective

Set the BALANCE control to tile app!opriate position.

Connect the speaker wires to the correct + and phase

Connect tile audio plugs firmly. If the problem pmsists, the cables may be defective

Make the GND connection between the turntable and this unit

The turntable should be connected to this unit through the MC head amplifier.

Turn on tile powel of the conll3onent

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