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

Turn off the demo function. 7

mode, the display lights up and

If you set the clock, demo function will be turned off automatically. %

changes continuously.

 

No sound.

Turn the volume up.

Sound stops.

Switch off the unit, determine and correct the cause, then switch the unit on.

 

Causes include straining of the speakers through excessive volume or power,

 

and using the unit in a hot environment.

Sound is unfixed, reversed or

Check the speaker connections. 6

comes from one speaker only.

 

Humming heard during play.

An AC mains lead or fl uorescent light is near the cables. Keep other appliances

 

and cords away from this unit’s cables.

“ERROR” is displayed.

Incorrect operation performed. Read the instructions and try again.

“– –:– –” appears on the display at

You plugged the AC mains lead in for the fi rst time or there was a power failure

standby mode.

recently.

 

Set the time. %

“F61” is displayed.

Check and correct the speaker cords connection. 6

 

If this does not fi x the problem, there is a power supply problem. Consult the

 

dealer.

Listening to the radio

 

 

 

Noise is heard.

Use an outdoor antenna. 7

The stereo indicator flickers or

 

doesn’t light.

 

Sound is distorted.

 

A beat sound is heard.

Turn the TV off or separate it from the unit.

A low hum is heard during AM

Separate the antenna from other cables and cords.

broadcast.

 

 

 

When there is a television set nearby

 

 

 

The picture on the TV disappears

The location and orientation of the antenna are incorrect. If you are using an

or stripes appear on the screen.

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.

 

 

Using the cassette deck

 

 

 

Poor sound quality.

Clean the heads. ~

Recording is not possible.

If the erasure prevention tabs have been removed, cover the holes with adhesive

 

tape. #

 

 

Playing discs

 

DEUTSCH

DANSK

FRANÇAIS

LANG - 4

The display is wrong or play won’t start.

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.

The disc may be upside down. 5 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.

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.

LANG - 5

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Panasonic SC-AK350, SC-AK250 operating instructions Troubleshooting guide
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SC-AK350, SC-AK250 specifications

The Panasonic SC-AK250 and SC-AK350 are versatile and dynamic high-power audio systems, well-suited for music lovers looking for superior audio performance. These models, part of Panasonic's SC-AK series, showcase their commitment to delivering rich sound and an immersive listening experience in both small and large spaces.

One of the standout features of both the SC-AK250 and SC-AK350 is their high output power. The SC-AK250 delivers an exhilarating 250 watts of RMS power, while the SC-AK350 takes it a step further with a robust 350 watts. This high power output enables these systems to fill any room with clear, vibrant sound, making them perfect for parties or casual listening sessions.

Both systems utilize advanced sound enhancement technologies, such as Panasonic’s unique Mega Bass system, which actively adjusts the sound output to provide a deeper bass experience without distorting the overall sound quality. This feature is particularly appealing to bass enthusiasts who enjoy genres like hip-hop or electronic dance music.

In terms of connectivity, the SC-AK250 and SC-AK350 are equipped with multiple input options, including USB ports and AUX inputs, allowing users to connect various devices easily. These systems also feature Bluetooth connectivity, making it simple to stream music wirelessly from smartphones, tablets, or laptops.

The SC-AK350, while similar to the SC-AK250, boasts additional features that enhance its functionality. It includes a built-in CD player, allowing users to enjoy their favorite CDs effortlessly. Both models come with a digital tuner that supports FM and AM radio, ensuring users can access a wide range of broadcast channels.

The design of both models reflects a modern aesthetic, with sleek lines and an intuitive interface. The LED display is easy to read, while the buttons are conveniently placed for straightforward navigation.

Another noteworthy characteristic of the SC-AK250 and SC-AK350 is their multi-source playback capability, which allows users to enjoy music from different sources simultaneously. This is an excellent feature for those who appreciate a diverse music library and want to enjoy multiple audio inputs without the hassle of switching cables.

In summary, the Panasonic SC-AK250 and SC-AK350 audio systems deliver powerful performance, versatile connectivity options, and user-friendly features, making them ideal choices for anyone seeking to enhance their audio experience. Whether for casual listening or hosting gatherings, these systems are designed to impress with their sound quality and overall functionality.
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