Denon PMA-SA1 - Manual (Page 12)

12
ENGLISH ENGLISH
5 TROUBLESHOOTING
Check the following before assuming there is a problem with the set.
1. Are all connections proper ?
2. Is the set being operated as described in the operating instructions ?
3. Are the speakers and input components being operated properly ?
If the set does not seem to be operating properly, check the points listed below. If these points do not apply, the set may be damaged.
Turn off the power immediately and contact your store of purchase.
Symptom Cause Measures Page
Power indicator does not light and
no sound is produced when
POWER switch is turned on. • Power supply cord is not connected. • Check that the cord is plugged in. 9
Power indicator lights but no
sound is produced.
• Speaker cords not properly connected.
• INPUT SELECTOR switch is not set to
proper position.
• VOLUME knob turned down.
• Input cords not are properly connected.
• Connect securely.
• Set to the proper position.
• Set to an appropriate level.
• Connect securely.
8, 9
7, 10
6, 10
9
Common problems arising when listening to the records, tapes, and FM broadcasts, etc.
Sound is not produced from one
side only.
• Speaker cords not properly connected.
• Input cords not are properly connected.
• Left/right balance improperly adjusted. • Connect securely.
• Connect securely.
• Adjust the BALANCE knob. 8, 9
9
6, 10
Volume level is different when
listening to tuner and records.
• Tuner or record output is different. • Adjust the tuner output to the
turntable’s output (if the tuner is
equipped with an output control).
–
Positions of instruments inverted
for stereo sources. • Left and right speakers or input cords
the inverted.
• Check the left/right connections. 8, 9
Booming sound produced when
playing records.
• Turntable’s ground wire is not
connected.
• Input cords are not properly
connected to PHONO terminals.
• Influence from a TV or VCR near the
turntable.
• Connect securely.
• Connect securely.
• Change the position of installation.
9
9
–
Howling produced when volume is
turned up while playing records.
• Turntable and speaker systems are too
close.
• Floor is soft and vibrates easily.
• Move speaker systems as far away as
possible.
• Use cushions to absorb the vibrations
transmitted from the floor to the
speakers. If the turntable does not
include insulators, use audio
insulators, available in stores.
–
–
Sound is distorted.
• Stylus pressure is too light.
• Dirt on tip of stylus.
• Defective cartridge. • Apply proper pressure.
• Check the tip of the stylus.
• Replace the cartridge. –
–
–
Problems occurring when playing records.
Sound is not produced. • EQ POWER swith is not set to “ON”. • Set the EQ POWER swith to “ON”. 6, 10