Back panel connections
26
Troubleshooting
PROBLEM
No power when the amplifier is
turned on.
No sound.
There is sound in one channel
only.
High buzzing.
Weak bass and poor stereo perspective.
Distortion of sound.
The unit does not switch between input
modes.
Stereo Player
CAUSE/REMEDY
-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.
-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.
-The audio input cables or speaker cables
have been incorrectly connected or damaged.
-The input source is defective.
-The speakers are defective.
-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.
-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.
-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 amplifier is defective and should be serviced
by a qualified technician.
27
ENGLISH