Panasonic cq-drx900n ユーザーズマニュアル

Trouble

No sound from left, 
right, front, or rear 
speaker

Left and right sounds 
are reversed in stereo 
listening.

No sound from center 
speaker

Only bass or monaural 
sound from rear 
speaker

No sound from rear 
speaker preout (rear)

Cause

Left and right balance, or front 
and rear balance is off on one 
side.

Cables are not correctly 
connected.

The right speaker wire is 
connected to the left speaker and 
the left speaker wire to the right 
speaker.

Center speaker is closed.

Center speaker volume is set to 
-

∞

.

SBC-SW is set to ON.

SBC-SW is set to ON and DDBC 
volume to -

∞

.

Step

Adjust BAL/FAD as appropriate.

Connect the cables correctly.

Connect the speaker wires to the correct ones.

Open the center speaker.

Set center spekaer volume to other than -

∞

.

Set SBC-SW to OFF.

Set DDBC volume to other than 
-

∞

.

3

3

Trouble

Buttons are invalid for 
operation.

Cause

Battery polarities (+) (-) are 
reversed.

Wrong batteries

Batteries have run down.

Remote control is in the wrong 
direction.

Step

Insert the batteries correctly.

Check the batteries.

Replace the batteries.

Direct the remote controller at REMOTE (sensor) on 
the panel.

3

Tape sound quality is 
poor.

Clean heads. (Ask a service representative for advice.)

Poor quality tape

Heads are dirty.

Use better quality tape.

Trouble

Cause

Step

48