Troubleshooting Guide - Panasonic SC-NS55 Operating Instructions Manual

Troubleshooting guide

Before requesting service, make the below checks. If you can't fi x 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.
Common problems
No sound.
Sounds unfi xed, reversed or come from
one speaker only.
Humming heard during play.
"ERROR" is displayed.
"- -:- -" appears on the display.
"F76" is displayed.
Listening to the radio
Noise is heard.
The stereo indicator fl ickers or doesn't
light.
Sound is distorted.
A beat sound is heard.
A low hum is heard during AM
broadcast.
An AM broadcast station cannot be
picked up clearly.
When there is a television set nearby
The picture on the TV
disappears or stripes appear
on the screen.
Playing discs
The display is wrong or play
won't start.
"MECH ERR"
The remote control
Remote control doesn't work.
USB
The USB drive or its contents cannot
be read.
Slow operation of the USB fl ash drive.
"USB OVER CURRENT ERROR"
"NO PLAY"
14
14
Turn the volume up.
The speaker cords may not be connected properly. Turn the unit off, check and correct the
connections and turn the unit on (
Check the speaker connections (
An AC mains lead or fl uorescent light is near the cables. Keep other appliances and leads
away from this unit's cables.
If possible in your area, turn the AC mains lead's plug or connector over to reverse the lead's
polarity.
Incorrect operation performed. Read the instructions and try again.
You plugged the AC mains lead in for the fi rst time or there was a power failure recently.
➡
Set the time ( page 10).
Check and correct the speaker cord connections (
If this does not fi x the problem, there is a power supply problem. Consult the dealer.
➡
Use an outdoor antenna ( page 5).
Turn the TV off or separate it from the unit.
Separate the antenna from other cables and cords.
Frequency step is set to 10 kHz. Change the frequency step to 9 kHz (
The location and direction 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.
➡
The disc may be upside down (
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
about an hour for it to clear and try again.
Check that the passage of the disc tray is cleared. Remove if anything is placed under the
disc tray. Turn off and then turn back on the unit.
Check that the batteries are inserted correctly (
Replace the batteries if they are worn.
The USB drive format or its contents is/are not compatible with the system (
The USB host function of this product may not work with some USB devices.
USB devices with storage capacity of more than 8 gigabytes may not work in some
instances.
Large fi le size or high memory USB fl ash drive takes longer time to read.
The USB mass storage device rating exceeds 500mA. Disconnect the USB device. Turn the
unit off and then back on.
Check the content.
Only MP3 format fi les can be played.
➡
page 4).
➡
page 4).
➡
page 4).
➡
page 5).
page 7).
➡
page 5).
➡
page 9).
➡
page 12).