Troubleshooting

Problem

Cause

Remedy

See page

A source cannot be

The source component is not connected to the

Connect the source component to the analog AUDIO IN jacks.

35

recorded by an analog

analog AUDIO IN jacks of this unit.

 

 

component connected to

 

 

 

the AUDIO OUT jacks.

 

 

 

 

 

 

 

The sound field

“Memory Guard” in “Option” is set to “On”.

Set “Memory Guard” to “Off”.

113

parameters and some

 

 

 

other settings of this unit

 

 

 

cannot be changed.

 

 

 

 

 

 

 

This unit does not operate properly.

The internal microcomputer has been frozen by an external electric shock (such as lightning or excessive static electricity) or by a power supply with low voltage.

Disconnect the power cable from the AC wall outlet and then

plug it in again after about 30 seconds.

 

“CHECK SP WIRES” Speaker cables are short-circuited. appears in the front panel

display.

Make sure all speaker cables are connected correctly.

23

There is noise

This unit is too close to the digital or high-

interference from digital

frequency equipment.

or radio frequency

 

equipment.

 

Move this unit further away from such equipment.

The picture is disturbed.

The video source uses scrambled or encoded

 

 

 

signals to prevent dubbing.

 

 

 

 

 

 

This unit suddenly enters

The internal temperature becomes too high and

Wait about 1 hour for this unit to cool down and then turn it

the standby mode.

the overheat protection circuitry has been

back on.

 

 

activated.

 

 

 

 

 

 

Tuner

 

Problem

Cause

Remedy

See page

 

FM stereo reception is

The characteristics of FM stereo broadcasts

Check the antenna connections.

41

 

noisy.

may cause this problem when the transmitter

 

 

 

Try using a high-quality directional FM antenna.

 

 

is too far away or the antenna input is poor.

 

 

 

 

 

 

 

 

Use the manual tuning method.

69

 

 

 

 

 

 

There is distortion, and

There is multi-path interference.

Adjust the antenna position to eliminate multi-path

 

clear reception cannot be

 

interference.

 

FM

obtained even with a good

 

 

 

 

FM antenna.

 

 

 

 

 

 

 

 

 

The desired station cannot

The signal is too weak.

Use a high-quality directional FM antenna.

 

be tuned into with the

 

 

 

 

 

Use the manual tuning method.

69

 

automatic tuning method.

 

 

 

 

 

 

 

Previously preset stations

This unit has been disconnected for a long

Preset the stations again.

70, 71

 

can no longer be tuned into.

period.

 

 

 

 

 

 

 

 

The desired station cannot

The signal is weak or the antenna connections

Tighten the AM loop antenna connections and orient

 

be tuned into with the

are loose.

it for the best reception.

 

 

automatic tuning method.

 

 

 

 

 

Use the manual tuning method.

69

 

 

 

 

 

 

 

 

 

There are continuous

Supplied AM loop antenna is not connected.

Connect the AM loop antenna correctly even if you

41

AM

crackling and hissing

 

use an outdoor antenna.

 

noises.

 

 

 

 

Noises can result from lightning, fluorescent

Use an outdoor antenna and a ground wire. This will

 

 

 

 

lamps, motors, thermostats and other

help somewhat, but it is difficult to eliminate all

 

 

 

electrical equipment.

noise.

 

 

 

 

 

 

 

There are buzzing and

A TV set is being used nearby.

Move this unit away from the TV set.

 

whining noises.

 

 

 

 

 

 

 

 

148 En