Technical data

19
No power when the
amplifier is turned on.
No sound.
High buzzing.
Distortion of sound
The LCD display does
not display any
information
ERROR is displayed
on the LCD display
The unit does not
switch between input
modes
The display does not
show DAB information.
I can hear tick/blob
sounds at some of
the stations.
-Some of the conductor wires of the speaker cable are in contact with
each other which causes distortion.
-Bass and treble controls are set too high in relation to speaker
specifications.
-The volume is set too high.
-The amplifier is defective and should be serviced by a qualified
technician.
-The amplifier is defective and should be serviced by a qualified
technician.
-The amplifier is defective and should be serviced by a qualified
technician.
-The VIETA HRE75B has not found any stations on DAB.
-The selected station does not broadcast any information.
-The antenna signal is too poor. See the section on adjusting the
antenna.
- Like all other digital media DAB is reproduced in a very high sound
quality. But if the antenna signal is too weak, you will not hear any
whistling but instead you will hear blackouts or "tick/blob" sounds.
You must therefore check if the antenna signal is strong enough.
See the section on adjusting the antenna.
Weak bass and poor
stereo perspective
-The speaker connection is out of phase. Check that the positive and
negative poles have been correctly connected, both at the back of the
amplifier and at the back of the speaker
-The audio input cables have been incorrectly connected or damaged.
-The ground cable for the record player has not been connected.
-The record player pick-up is defective.
There is sound in one
channel only.
-The balance control is not correctly adjusted (see page 15).
-The audio input cables have been incorrectly connected or damaged.
-The input source is defective.
-The speaker cables have been incorrectly connected or damaged.
-The speakers are defective.
-The amplifier has not been turned on.
-The volume control is set at a minimum (see page 13).
-The speaker cables have not been correctly connected.
-A wrong input source has been selected.
-No input source has been connected
-Switch on the electric current at the socket.
-Check that the plug has been correctly inserted into the socket.
-The internal fuse has blown and must be replaced by a qualified
service technician.
-The power cord has been damaged and must be replaced
TROUBLESHOOTING
Troubleshooting
PROBLEM CAUSE/ REMEDY