Panasonic SC-AK630 Operating Instructions Manual page 14

Before requesting service, make the following checks. If you are in doubt about some of the check points, or if the remedies indicated in the chart do
not solve the problem, refer to the "Customer Services Directory" on the back cover if you reside in the U.S.A. or refer to the "Product information" on
page 15 if you reside in Canada.
Reference pages are shown as bmack circmed numbers Q.
Common Probmems
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 voJume or power,
and using the unit in a hot environment.
Listening to the radio
Noise is heard.
The stereo indicator flickers
or doesn't _ight.
Sound is distorted.
A _ow hum is heard during
AM broadcasts.
Use an outdoor antenna. @
Separate the antenna from other cables and cords.
When there is a temevision set nearby
Using the cassette deck
Playing discs
The disphy is wrong or
p_ay won't start.
The tota_ number of tracks
displayed differs each time
the same disc is inserted.
Unusuam sound is heard.
"VBR=" is displayed
instead of the remaining
pmaytime.
The disc may be upside down. Q
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 Jtto clear and try again.
The disc may be scratched, or its data may be defective. Replace the disc.
The unit cannot display the remaining play time for variable bit rate (VBR) tracks.
Remote controm
Remote contro_ doesn't Check that the batteries are inserted correctly.
work. Replace the batteries if they are worn.
f m
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 _east 3 minutes before proceeding to step 2.)
2 Whi_e pressing and homing down [_b/m, P OWER] on the main unit, reconnect the AC power supply cord.
"appears on the display.
3 Release [O/I, POWER].
All the settings are returned to the factory preset.
You will need to reset the memory items.
RQT7834