Others
Troubleshooting
Before requesting service, make the following checks. If you are uncertain about some of the check
points, or if the solutions indicated in the following guide do not resolve the issue, then consult your
dealer for instructions.
Heat buildup of this unit
This unit becomes warm while in use. This is not
a malfunction.
Do you have the latest firmware
installed?
Panasonic is constantly improving the unit's
firmware to ensure that our customers are
enjoying the latest technology. ( 25)
To restore all settings to the factory
defaults
When the following situations occur, reset the
memory:
• There is no response when buttons are pressed.
• You want to clear and reset the memory
contents.
1 Press [AMP].
2 Press [SETUP].
3 Press [ ], [ ] repeatedly to select
"Initialization" and then press [OK].
• A confirmation screen appears. Select "Yes"
in the following steps to restore all the
settings to defaults.
4 Press [ ], [ ] to select "Yes" and then
press [OK].
5 Press [ ], [ ] to select "Yes" and then
press [OK] again.
28
(28)
General
The unit does not work.
Operations are not done properly.
• One of the unit's safety devices may have been
activated.
Press [
] on the unit to switch the unit to
standby.
• If the unit does not switch to standby,
disconnect the AC mains lead, wait for at
least 3 minutes, then reconnect it.
Press [
] on the unit to switch on. If the unit
still cannot be operated, consult the dealer.
A "humming" sound can be heard during
playback.
• An AC mains lead of another device or
fluorescent light is near the cables. Turn off
other appliances, or keep them away from the
cables of this unit.
• A strong magnetic field near a TV or other
device may adversely affect the audio quality.
Keep this unit away from such a location.
• The speakers may output noise when a device
nearby is emitting powerful radio waves, such
as when a mobile phone is on a call.