15 TROUBLESHOOTING

If a problem should arise,first check the following table.1.Are the connections correct ?2.Have you operated the receiver according to the Operating Instructions ?3.Are the speakers, turntable and other components operating property ?

If this unit is not operating properly, check the items listed in the table below. Should the problem persist, there may be a malfunction. Disconnect the power immediately and contact your store of purchase.

 

Symptom

 

 

 

Cause

 

 

 

 

 

Measures

 

 

Page

 

 

 

 

 

 

DISPLAY not lit and sound not produced

• Power cord not plugged in securely.

• Check the insertion of the power cord plug.

6

etc.

 

 

 

 

 

 

 

•

Turn the power on with the remote control

47

when power switch set to on.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

unit after turning the POWER switch on.

 

 

 

 

 

 

 

 

 

 

 

broadcasts,

 

 

 

 

 

 

 

 

 

• Speaker cords not securely connected.

•

Connect securely.

 

 

 

12

 

•

Improper position of the audio function

• Set to a suitable position.

 

 

48

 

 

button.

 

 

 

 

 

 

 

 

 

 

 

 

FM

DISPLAY lit but sound not produced.

•

Volume control set to minimum.

• Turn volume up to suitable level.

 

49

 

•

MUTING is on.

 

 

 

•

Switch off MUTING.

 

 

51

and

 

 

 

 

 

 

 

•

Digital signals not input Digital input

•

Input digital signals or select input jacks to

48

Tapes

 

 

selected.

 

 

 

 

 

 

which digital signals are being input.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Records,

 

• Speaker terminals are short-circuited.

• Switch power

off, connect speakers

12

 

 

 

 

 

 

 

 

 

properly, then switch power back on.

 

 

• Block the ventilation holes of the set.

•

Turn off the set’s power, then ventilate it

4, 13

 

 

 

 

 

 

 

 

 

well to cool it down.

 

 

 

’s,

 

 

 

 

 

 

 

 

 

 

 

 

DISPLAY not lit and power indicator is

 

 

 

 

 

 

 

 

Once the

set is

cooled down, turn the

 

CD

 

 

 

 

 

 

 

 

 

flashing rapidly.

 

 

 

 

 

 

 

 

power back on.

 

 

 

 

the

 

 

 

 

 

 

 

 

 

 

 

 

 

•

The unit

is

operating

at

continuous high

•

Turn off the set’s power, then ventilate it

4, 13

to

 

 

 

power

conditions and/or

inadequate

 

well to cool it down.

 

 

 

listening

 

 

 

 

 

 

 

 

ventilation.

 

 

 

 

 

Once the set is cooled down, turn the

 

 

 

 

 

 

 

 

 

 

power back on.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

when

 

• Incomplete connection of speaker cords.

•

Connect securely.

 

 

 

12

Sound produced only from one channel.

•

Incomplete

connection

of

input/output

•

Connect securely.

 

 

 

6 ~ 13

problems

 

 

cords.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Positions of instruments reversed during

•

Reverse

connections

of

left and right

• Check left and right connections.

 

12

 

speakers

or

left and

right

input/output

 

 

 

 

 

 

 

Common

 

 

 

 

 

 

 

 

stereo playback.

 

 

 

 

 

 

 

 

 

cords.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The on screen display is not displayed.

•

“On screen display” is set to off on the

•

Set “on screen

display” on

the

system

30

 

 

 

system setup menu screen.

 

 

setup menu screen to on.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Ground wire of turntable not connected

•

Connect securely.

 

 

 

6

 

Humming noise produced when Record is

 

properly.

 

 

 

 

 

 

 

 

 

 

 

 

 

playing.

•

Incomplete PHONO jack connection.

•

Connect securely.

 

 

 

6

 

 

• TV or radio transmission antenna nearby.

• Contact your store of purchase.

 

—

Records

 

 

 

 

 

 

 

• Turntable and speaker systems too close

• Separate as much as possible.

 

 

—

 

 

together.

 

 

 

 

 

 

 

 

 

 

 

 

Howling noise produced when volume is

• Floor is unstable and vibrates easily.

• Use cushions to absorb speaker vibrations

—

playing

high.

 

 

 

 

 

 

 

 

transmitted by floor. If turntable is not

 

 

 

 

 

 

 

 

 

 

equipped

with

insulators,

use

audio

 

 

 

 

 

 

 

 

 

 

insulators (commonly available).

 

 

When

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Stylus pressure too weak.

 

 

• Apply proper stylus pressure.

 

 

—

 

Sound is distorted.

• Dust or dirt on stylus.

 

 

 

• Check stylus.

 

 

 

—

 

 

• Cartridge defective.

 

 

 

• Replace cartridge.

 

 

 

—

 

 

 

 

 

 

 

 

 

Volume is weak.

• MC cartridge being used.

 

 

•

Replace with MM cartridge or use a head

6

 

 

 

 

 

 

 

 

 

amplifier or step-up transformer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

control

 

•

Batteries dead.

 

 

 

• Replace with new batteries.

 

 

34

 

• Remote control unit too far from this unit.

•

Move closer.

 

 

 

34

This unit does not operate properly when

•

Obstacle between this unit and remote

•

Remove obstacle.

 

 

 

34

Remote unit

 

 

 

remote control unit is used.

 

control unit.

 

 

 

 

 

 

 

 

 

 

 

 

• Different button is being pressed.

• Press the proper button.

 

 

—

 

• <and >ends of battery inserted in reverse.

•

Insert batteries properly.

 

 

34

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

71