Technics SL-1500C Manual page 21

Service information – FAQ
Question
No sound or sound is weak
Auto lift‐up does not function or
the tone arm is lifted during play
Low, continuous sound (humming or
buzzing noise) is heard during play
Speed select button [33] or [45]
blinks
How to play SP (78 rpm) records
・ Are device connections and PHONO or external output terminal connections correct?
‐ Connect the PHONO output terminals with the amplifier's PHONO input terminals.
‐ Connect the external output terminals to the amplifier's external input terminals.
・ Is the external output switch correctly set?
‐ When connecting the external output terminals, set the external output switch to "ON".
・ Is the auto lift‐up switch correctly set?
‐ The auto lift‐up switch to ON.
・ For the auto lift‐up function to operate appropriately, the cue lever must be completely
lowered after the tone arm is returned to the arm rest following the end of play.
・ Depending on the record, it may take some time(up to approx. 90 seconds)
for the auto lift‐up to operate after the play finishes, or it may operate while the
record is still playing. If the tone arm is lifted during play, set the auto lift‐up switch
to "OFF".
・ Are there other appliances or their AC mains lead near the stereo connection cable?
‐ Separate the appliances and their AC mains lead from this unit.
・ Is the earth lead connected?
‐ When connecting the PHONO output terminals, correctly connect the PHONO earth lead.
・ Are both the PHONO terminal output and external output terminals simultaneously connected to the connected device?
‐ Connect one or the other.
・ Perform the following operations when the speed select button [33] or [45] blinks. The symptom may be improved.
1)Press [Power ON/OFF] to OFF.
2)Pull out the power plug, wait for three seconds or more, and then insert the plug again.
3)Press [Power ON/OFF] to turn the unit on and press [START‐STOP] to rotate the turntable.
・ Press the speed select buttons [33] and [45] at the same time (78 rpm: [33] LED and [45] LED are turned on simultaneously)
Answer
PHONO earth
terminal
Auto lift‐up
リフトアップ
switch
スイッチ
External
PHONO External
output output
output
switch terminal
terminal
Technical Information for Hi‐Fi Audio System
21