Technics SL-1200M7L Manuel D'utilisation page 22

Troubleshooting guide
Before requesting service, make the below checks. If you are in doubt about some of the check
points, or if the remedies indicated in the chart do not solve the problem, contact your dealer.
No power.
 Is the AC power supply cord plugged in?
Plug the mains lead in firmly. (  12)
There is power but no sound.
Sound is weak.
 Are connections to the amplifier/receiver's PHONO terminals correct?
Connect the PHONO cables to the amplifier's PHONO input terminals. (  12)
Left and right sounds are reversed.
 Are the stereo connection cable connections to the amplifier or receiver reversed?
Double check all connections. (  12)
 Are connections of the head shell's lead wires to the cartridge terminals correct?
Double check all connections. (  09)
Humming is heard during play.
 Are there other appliances or their AC power supply cord near the stereo connection cable?
Separate the appliances and their AC power supply cord from this unit.
 Is the earth lead connected?
Make sure the earth lead is correctly connected. (  12)
The indicator on the speed select button [33] or [45] blinks.
Perform the following operations when the indicator on the speed select button [33] or [45] blinks.
The symptom may be improved.

Turn [ON/OFF] to OFF.

Pull out the power plug, wait for three seconds, and then insert the plug again.

Turn [ON/OFF] to ON and press [START-STOP] to rotate the turntable.
 If the indicator on the speed select button blinks again, check which one is blinking and contact our
service representative.
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English