Why do I hear a beat sound during radio broadcast on my Panasonic SC-EN9 Stereo System?
- RRobert HarrellSep 9, 2025
If a beat sound is heard while receiving a radio broadcast, turn the TV off or separate it from the unit.

Why do I hear a beat sound during radio broadcast on my Panasonic SC-EN9 Stereo System?
If a beat sound is heard while receiving a radio broadcast, turn the TV off or separate it from the unit.
What does PROGRAM FULL mean on Panasonic SC-EN9?
The message “PROGRAM FULL” indicates that the number of programmed tracks has reached its limit of 24. No further tracks can be programmed.
What does NO SERVICE mean on Panasonic SC-EN9?
The message “NO SERVICE” means the station is currently not broadcasting.
What does DATA mean on Panasonic SC-EN9 Stereo System display?
The “DATA” message indicates that data is being broadcast over the DAB broadcast signal, which cannot be used on this unit.
What does SCRAMBLE mean on Panasonic Stereo System?
The message “SCRAMBLE” indicates that the broadcast station being received cannot be accessed (e.g., pay per use, etc.).
| FM frequency range | 87.50–108.00 MHz |
|---|---|
| AM frequency range | 522–1629 kHz |
| DAB frequency range | 5A–13F (174.928–239.200 MHz) |
| Sampling frequency | 44.1 kHz |
|---|---|
| Decoding | 16 bit linear |
| Beam source wavelength | 780 nm |
| AUX input | 3.5 mm stereo (27 kΩ) |
|---|---|
| DAB EXT ANT input | F-Connector (75 Ω) |
| PHONES output | 3.5 mm stereo (32 Ω) |
| Power supply | AC230-240V, 50Hz |
|---|---|
| AC adaptor | DC 13 V, 1.5 A |
| Power consumption | 30 W |
| Full range | 8 cm, 3 Ω × 2 |
|---|---|
| Ceramic tweeter | 1.52 cm × 2 |
| Speaker dimensions | 107 × 230 × 165 mm |
| Main unit dimensions | 240 × 216 × 170 mm |
|---|---|
| Mass with speakers | 3.0 kg |
| Mass without speakers | 1.6 kg |
Set the unit up on an even surface away from direct sunlight, high temperatures, high humidity, and excessive vibration.
Do not let metal objects or liquids fall inside the unit. Avoid spraying insecticides.
Do not attempt to repair the unit yourself. Contact your dealer or an authorized service center.
Location of the fuse differs according to the type of AC mains plug. Open the fuse cover with a screwdriver.
Stand the antenna up on its base.
Before connecting, twist and pull off the speaker cord ends.
The cross bar of the T should be kept firmly stretched. Find a position with good reception.
Connect the AC adaptor only after all other connections have been made.
The CD lid opens and the unit comes on. Label must face outward.
If the CD is already in the unit, the unit comes on and play begins.
Each time you press the button: 1- → → RND → PLAY MODE OFF.
This function allows you to program up to 24 tracks.
Radio stations can be tuned manually by selecting the station's frequency.
Press and hold until the frequency starts changing rapidly.
Radio stations can be preset into channels to make it easy to tune.
The unit comes on. DAB Auto Scan automatically memorizes receivable stations.
Each time you press the button: 'STATION TUNE' → 'PRESET TUNE'.
The station name changes in alphanumeric order.
DAB stands for digital audio broadcasting. It is a new form of radio that is broadcast digitally.
Stations can be preset into channels to make it easy to select. You can preset up to 20 channels.
"✔" is displayed if there is a secondary service broadcast.
This section explains the displays when enjoying DAB.
This is a 24-hour clock. To display the clock when the unit is on.
The SLEEP timer can turn the unit off after a set time.
You can choose one of four types of sound quality.
You can create a three-dimensional sound field when listening to stereo sound.
Maximum tracks/albums, file compatibility, and playback limitations.
Notes on recording and compatibility of CD-R and CD-RW discs.
The disc isn't correctly set. The disc is scratched or dirty.
The amount of data on the disc is too small.
Sound is unfixed, reversed or comes from one speaker only. No sound or there is a lot of noise.
Humming heard during play. A beat sound is heard while receiving a radio broadcast.
No response even when button is pressed. I want to erase the memory and reset it.
Loading...