Troubleshooting Guide; Memory Reset (Initialization) - Panasonic SC-AK331 Instrucciones De Funcionamiento

Troubleshooting guide

Before requesting service, make the checks below. If you can't fix the system as described below, or if something not listed here occurs, refer to the
enclosed directory to locate an Authorized Service Center convenient to you or contact your dealer.
Reference pages are shown as black circled numbers 4.
Common Problems
Although the unit is in standby
mode, the display lights up and
changes continuously.
No sound.
Sound stops.
Sound is unfixed, reversed or
comes from one speaker only.
Humming heard during play.
"ERROR" is displayed.
"– –:– –" appears on the display
at standby mode.
"F61" is displayed.
Listening to the radio
Noise is heard.
The stereo indicator flickers or
doesn't light.
Sound is distorted.
A beat sound is heard.
A low hum is heard during AM
broadcasts.
When there is a television set nearby
The picture on the TV disappears
or stripes appear on the screen.
Using the cassette deck
Poor quality sound.
Recording is not possible.
Playing discs
The display is wrong or play
won't start.
Cannot perform all-disc
random play.
The total number of tracks
displayed differs each time the
same disc is inserted. Unusual
sound is heard.
CD-RW cannot be read.
"VBR–" is displayed instead of
the remaining play time.
"TAKE OUT/DISC" appears on the
display.
Remote control
Remote control doesn't work.

Memory reset (Initialization)

When the following situations occur, refer to the instructions below to reset the memory:
•
There is no response when buttons are pressed.
•
You want to clear and reset the memory contents.
To reset memory
1 Disconnect the AC power supply cord. (Wait at least 3 minutes before proceeding to step 2)
2 While pressing and holding down [f f f f f /7, POWER] (
"– – – – – – – – –" appears on the display.
3 Release [f f f f f /7, POWER] (
PL
All the settings are returned to the factory preset.
You will need to reset the memory items.
Turn off the demo function. 4
If you set the clock, demo function will be turned off automatically. @
Turn the volume up.
Switch off the unit, determine and correct the cause, then switch the unit on. Causes include shorting
of the positive and negative speaker wires, straining of the speakers through excessive volume or
power, and using the unit in a hot environment.
Check the speaker connections. 4
An AC power supply cord or fluorescent light is near the cables. Keep other appliances and cords
away from this unit's cables.
Incorrect operation performed. Read the instructions and try again.
You plugged the AC power supply cord in for the first time or there was a power failure recently. Set
the time. @
Check and correct the speaker cords connection. 4
If this does not fix the problem, there is a power supply problem. Consult the dealer.
Use an outdoor antenna. !
Turn the TV off or separate it from the unit.
Separate the antenna from other cables and cords.
The location and orientation of the antenna are incorrect. If you are using an indoor antenna, change
to an outdoor antenna.
The TV antenna wire is too close to the unit. Separate the antenna wire of the TV set from the unit.
Clean the heads. ^
If the erasure prevention tabs have been removed, cover the holes with adhesive tape. @
The disc may be upside down. 6
Wipe the disc.
Replace the disc if it is scratched, warped, or non-standard.
Condensation may have formed inside the unit due to a sudden change in temperature. Wait for
about an hour for it to clear and try again.
All-disc random mode cannot be used for MP3 discs. Change the disc or select another play
mode. 7
The disc may be scratched, or its data may be defective. Replace the disc.
The disc was incompletely formatted. Use the recording equipment to fully format the disc before
recording.
The unit cannot display the remaining play time for variable bit rate (VBR) tracks.
There is a problem with the disc mechanism. (A power failure may have occurred.)
The tray will open automatically. Remove the disc from the tray, and after ensuring there is no disc in
the tray, close it. The unit will make the disc changing noises for a few moments and then it should
operate normally.
Check that the batteries are inserted correctly. 3
Replace the batteries if they are worn.
PL ) or [f f f f f /7] (
) or [f f f f f /7] ( ).
GCP
GCP ) on the main unit, reconnect the AC power supply cord.
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RQT7799