Optimus LAB-1100 Turntable User Manual


 
10
Sound from turntable not
clear or scratchy during
play
Record is dirty. Clean the record.
Stylus is dirty. Clean the stylus with a
soft brush (See “Cleaning/
Replacing the Stylus” on
Page 13).
Stylus is improperly
installed.
Check the stylus and rein-
stall it if necessary.
Stylus is worn. Replace the stylus.
LINE OUT ON/PHONO OUT
OFF
is set to
LINE OUT ON
and turntable is connected
to receiver’s/amplifier’s
low-level phono input
jacks.
Set
LINE OUT ON/PHONO
OUT OFF
to
PHONO OUT OFF
.
Hum from turntable dur-
ing play
Stylus is improperly
installed.
Check the stylus and rein-
stall it if necessary.
Turntable is picking up
induction hum from other
components.
Check ground terminal
and reposition the turnta-
ble away from other com-
ponents.
LINE OUT ON/PHONO OUT
OFF
is set to
LINE OUT ON
and turntable is connected
to receiver’s/amplifier’s
low-level phono input
jacks.
Set
LINE OUT ON/PHONO
OUT OFF
to
PHONO OUT OFF
.
Feedback or howling
sound from turntable dur-
ing play
Turntable is picking up
sound pressure of vibra-
tions from speakers.
Reposition the turntable
away from speakers.
Symptom Possible Cause Suggestion
42-2023.fm Page 10 Wednesday, August 11, 1999 2:50 PM