Troubleshooting guide
Before requesting service, make the below checks. 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.
Common problems
No sound.
Sounds unfixed, reversed or come from one speaker only.
Humming heard during play.
“ERROR” is displayed.
“-
“F76” is displayed.
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 (➡ page 4).
Check the speaker connections (➡ page 4).
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 11).
Check and correct the speaker cord connections (➡ page 4).
If this does not fi x the problem, there is a power supply problem. Consult the dealer.
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 broadcast.
An AM broadcast station cannot be picked up clearly.
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 (➡ page 10).
When there is a television set nearby
The picture on the TV | The location and direction of the antenna are incorrect. If you are using an indoor antenna, |
disappears or stripes appear | change to an outdoor antenna (➡ page 5). |
on the screen. | The TV antenna wire is too close to the unit. Separate the antenna wire of the TV set from |
| the unit. |
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Using the cassette deck |
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Recording is not possible. | If the erasure prevention tabs have been removed, cover the holes with adhesive tape |
| (➡ page 9). |
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Playing discs |
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The display is wrong or play | The disc may be upside down (➡ page 7). |
won’t start. | Wipe the disc. |
| Replace the disc if it is scratched, warped, or |
| 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. |
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The remote control |
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Remote control doesn’t work. | Check that the batteries are inserted correctly (➡ page 5). |
| Replace the batteries if they are worn. |
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USB |
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RQTV0177
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No response when [¶ REC/8] button is pressed.
The USB drive or its contents cannot be read.
Slow operation of the USB flash drive.
“USB OVER CURRENT ERROR”
“NO PLAY”
Disconnet the USB device and then reconnect it back. Alternatively, turn the unit off and then back on.
The USB drive format or its contents is/are not compatible with the system (➡ page 13). 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.
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