Vieta VH-HA075 Manuale Utente

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27
ENGLISH
HIFI Amplifier
26
Connection with Amplifier
 
Check that the Power Switch on front of the amplifier is in the off position. Push the plug (IEC line socket) of the 
power cable supplied with the amplifier into the socket (AC INPUT) on back of the unit. Make sure it is pressed in 
firmly. Plug the other end of the power cable into an AC wall outlet.
Troubleshooting
 
 
 
 
PROBLEM 
   CAUSE/REMEDY
No power when the amplifier is   
 
-Switch on the electric current at the socket.
turned on.   
 
 
 
-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.
 
No sound.   
 
 
 
-The power cord has been damaged and must be
     replaced.
 
 
 
 
 
-The amplifier has not been turned on.
 
 
 
 
 
-The volume control is set at a minimum.
 
 
 
 
 
-The speaker cables have not been correctly
     connected.
 
 
 
 
 
-A wrong input source has been selected.
 
 
 
 
 
-No input source has been connected.
There is sound in one channel 
 
 
-The audio input cables or speaker cables
only. 
 
 
 
 
have been incorrectly connected or damaged.
     -The 
input 
source 
is 
defective.
     -The 
speakers 
are 
defective.
 
High buzzing. 
 
 
 
-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.
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.
 Distortion of sound.    
 
 
-Some of the conductor wires of the speaker cable
 
 
 
 
 
are in contact with each other which causes
     distortion.
 
 
 
 
 
-The volume is set too high.
The unit does not switch between input 
 
- The amplifier is defective and should be serviced 
modes. 
 
 
 
 
by a qualified technician.