If The Turntable Does Not Start And The Speed Indicates Light Does Not Go On; If The Turntable Does Not Start And The Speed Indicates Light Goes On; If The Platter Is Not Parallel With The Plinth; If An Even Up Or Down Motion Cannot Be Obtained When Gently Pressing On The Record Clamp - Oracle DELPHI MK III Owner's Manual

WHAT DO TO...
...if the turntable does not start and the speed indicating light does not go on.
Check:
AC connection to the wall outlet
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Power supply output plug to the input receptacle of the turntable
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Power supply output, if no output replace the fuse inside.
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...if the turntable does not start and the speed indicating light goes on
Check:
Drive belt
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Motor connection plug for a broken wire
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Drive module for a broken wire
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Defective drive module
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...if the platter is not parallel with the plinth

Check:
suspension calibration using the suspension gauge
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Note: If a relatively important change occurred in one particular suspension module, this could be
the sign of an improperly seated spring or sorbothane ring, analyze each part carefully prior to
calibrating again.
Read: section How to...calibrate the suspension.
...if an even up of down motion can not be obtained when gently pressing on the record
clamp.
Check:
Levelling of the base
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For the phono lead interference with the movement of the suspension. If uncertain , unplug
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the lead.
Previous topic:...do if the platter is not parallel with the plinth.
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Delphi MK III
Owner's manual