TROUBLESHOOTING

Problem

Cause

Remedy

 

 

 

The sound field parameters and

“16 MEMORY GUARD” on the SET MENU is set to

Select “OFF” (see page 62).

some other settings on this unit

“ON”.

 

cannot be changed.

 

 

 

 

 

This unit does not operate

The internal microcomputer has been frozen by an

Disconnect the AC power cord from the outlet and

properly.

external electric shock (such as lightning or excessive

then plug it in again after about 30 seconds.

 

static electricity) or by a power supply with low

 

 

voltage.

 

 

 

 

“CHECK SP WIRES” appears on

Speaker cables are short circuited.

Make sure all speaker cables are connected correctly.

the front panel display.

 

 

 

 

 

The sound is degraded when

This unit is in the standby mode.

Turn on the power of this unit.

listening with headphones

 

 

connected to a tape deck or CD

 

 

player that is connected to this

 

 

unit.

 

 

 

 

 

There is noise interference from

This unit is too close to the digital or high-frequency

Move this unit further away from such equipment.

digital or high-frequency equip-

equipment.

 

ment, or this unit.

 

 

 

 

 

This unit suddenly turns into the

The internal temperature becomes too high and the

Wait until this unit cools down and then turn it back

standby mode.

overheat protection circuitry has been activated.

on.

 

 

 

■ Remote control

Problem

Cause

Remedy

 

 

 

The remote control does not work

Wrong distance or angle.

The remote control will function within a maximum

nor function properly.

 

range of 6 m (20 feet) and no more than 30 degrees

 

 

off-axis from the front panel (see page 10).

 

 

 

 

Direct sunlight or lighting (from an inverter type of

Reposition this unit.

 

fluorescent lamp, etc.) is striking the remote control

 

 

sensor of this unit.

 

 

 

 

 

The batteries are weak.

Replace all batteries with new ones and press RESET.

 

 

 

 

The manufacturer code has not been correctly set.

Set the manufacturer code correctly (see page 66).

 

 

 

 

 

Try to set the other codes of the same manufacturer

 

 

(see page 66).

 

 

 

 

Even if the manufacturer code is correctly set, there

Program the necessary functions independently into

 

are some models that do not respond to the remote

the programmable buttons on this unit’s remote

 

control.

control using the Learn feature.

 

 

 

The remote control does not

The batteries of this remote control and/or the other

Replace the batteries.

“learn” new functions.

remote control are too weak.

 

 

 

 

 

The distance between the two remote controls is too

Place the remote controls at the proper distance (see

 

much or too little.

page 68).

 

 

 

 

The signal coding or modulation of the other remote

Learning is not possible.

 

control is not compatible with this remote control.

 

 

 

 

 

Memory capacity is full.

Further learning is not possible without deleting

 

 

unnecessary functions (see page 79).

 

 

 

E-104