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Platter does not rotate, although PLAY switch is
depressed.
Platter rotation is too slow (or too fast.)
Tonearm is not properly balanced when cartridge is
replaced,
Tonearm does not descend to the record surface.
There is no sound or low sound although the stylus
descends to the record surface.
The body of the cartridge catches on the record surface,
Reproduced sound is distorted and unpleasant,
particularly the treble, with a clicking or
scraping noise.
Reproduced sound quivers and a howl (acoustic feed-
back) is heard.
A loud humming sound is heard during record play.
P-520
Connect the power cord securely to the AC power out-
let or to the amplifier's auxiliary power outlet.
Refer to page 8 and adjust the speed.
Check the frequency and the speed by the stroboscope
display and adjust.
Power cord is not firmly plugged into AC power outlet or
into auxiliary power outlet of amplifier.
Speed is not adjusted properly.
Stroboscope has not been observed properly.
The proper cartridge weight ranges from 2.5 to 9 grams.
If the weight of the cartridge used is within this range.
rebalance the tonearm following fig. 6.
Cueing switch is in the UP "am " position.
Set the cueing switch to DOWN
" EE " position.
Amplifier's volume contro! is at lowest position.
Turn up the volume control to the required position.
Poor turntable output cord connections.
The cartridge is either too heavy or too light.
Check the connecting terminals on the rear panel and
amplifier.
Turntable is not set horizontally.
Dust on stylus.
Tracking force is either too high or too low.
Amplifier's treble control is turned up too high.
installation locations of speaker systems and turntable
-
are too close together or turntable is unstable and
vibrations are being transmitted to cause resonance.
Readjust the tracking force for the cartridge to the
recommended value.
Try returning the treble control to the FLAT position.
Move the turntable to a stable location, move it some.
distance from the speakers, or change the speaker
locations (in particular, avoid installation in corners.)
Poor turntable output cord connections.
Check the connecting terminals on the rear panel and
amplifier.
Poor headshell connector pin connections.
Mount the headshell properly onto the tonearm.
10
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