Quick Start Guide to connect Blaupunkt LS 275e to TV set or to an audio source
LS 275e has following audio inputs:
• Analogue stereo input
• Digital coaxial input
• Digital optical input
It will depend on the signal source that you have (TV, audio system, etc.) which audio input you shall use. The
majority from modern TV sets have for example an analogue headphone jack and a digital audio output (coaxial
digital or optical digital depending on the model/brand). We suggest that you use the digital output. Please do not
forget that it shall be activated and connected in the menu from your audio source.
LS 275e
Blaupunkt Competence Center Audio
M3 Electronic GmbH
October 2013 (V2.1)
Technical changes and errors excepted
No sound
Low volume
Bad sound
Bad sound
Too much or
almost no bass
Too much or
almost no treble
The sound bar
turns off by itself
Audio settings
were not
memorized
Problem Solution
No sound
No sound
No sound
No sound
Please check the connections between LS 275e and your TV.
If you are using a digital output from your TV please confirm if it is activated on the menu
from your TV.
Please confirm that the correct audio source from LS 275e is correctly chosen. You can
chose it with the remote control. The selected audio source will be shown in the display
from LS 275e.
If you are using the digital input please confirm that PCM (digital stereo signal) audio
source is selected in your TV.
Please check if MUTE function is activated in your TV. If yes, please deactivate it otherwise
there will be no audio transmission to LS 275e.
Please confirm which volume level you have selected in your TV. If you select a low volume
level it will not allow that LS 275e has a good sound performance. Volume level from TV
shall be above 2/3 from maximum volume. We suggest that you select TV volume level
at almost maximum level.
If you are using digital inputs please confirm that you have selected PCM (digital stereo
signal) audio source in your TV.
Please confirm if the LS 275e speakers are working simultaneously with TV speakers: this
can originate a poor sound performance. Please check the instruction manual from your
TV to change it.
Many TVs have their own equalizer. Some TVs allow to make individual sound adjustments
for each output signal. Please confirm if they are activated and please change them in the
menu from your TV.
Many TVs have their own equalizer. Some TVs allow to make individual sound
adjustments for each output signal. Please confirm if they are activated and please
change them in the menu from your TV.
LS 275e complies with the latest EU energy efficiency directive: it will automatically
switch into stand-by mode in case of low or no audio signal input. Please verify which
is the volume level from the audio source.
Your individual audio settings will be memorized if LS 275e is in stand-by mode (power
consumption <1 Watt). If you switch off LS 275e it may be necessary that you have to
adjust again the audio settings after you turn on the device.
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