Denon DP-37F Series User Manual

e ADJUSTING THE ARM CONTROL SECTION
Lead-in adjustment hole
VR-5 (Tracking force
adjustment)
VR-3 (Horizontal offset .
voltage adjustment)
VR-4 (Lifter offset voltage adjustment}
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3)
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3)
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3)
3.
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2)
3)
4)
5)
4.
1)
2)
Adjusting the horizontal OP amp, offset voltage
Fix the tonearm to the arm rest and connect the oscil-
loscope to TP-3.
Set the lifter switch to the UP condition.
Turn VR-3 and adjust to OVt0.01V. .
Adjusting the lifter OP amp. offset voltage
Fix the tonearm to the arm rest anc connect the oscil-
lascope to TP-4.
Set the liter switch to the DOWN condition,
After about 7 seconds, adjust to OV+0.07V by turning
VR-4.
Adjusting the tracking force
Turn the power supply switch OFF.
Take the arm off the arm rest, Rotate the balance
weight so that the tonearm becomes parallel to the
turntable surface when let go.
Return the arm to the arm rest and turn the power
supply switch ON.
Wait seven seconds after the arm has lowered, Place
the cartridge stylus tip onto a stylus force gauge and
set the tracking force adjustment knob to 1.89.
{Note} At this time, the stylus tip height should be
adjusted so that it is about the same height as during
play.
Turn VR-5 and adjust, so that the stylus force gauge
reads 1.8g. (Turn VR slows.}
Adjusting the 30 cm fead-in position
Place a 30 cm record on the turntable and set the
record dize selector switch to “30”.
(Note} Keep the bottom cover closed.
Move the arm so that the stylus tip is at approximately
the 30 cm lead-in Position. Insert a small flat-headed
screwdriver into the fead-in adjustment hole; move the
arm back and forth and fit the screw driver into the
groove of the cam inside gently.
3)
5.
After turning the screwdriver, pull it out once. Press
the start switch and adjust so that the stylus position
stops at the 30 cm head-in position.
{Note} The 30 cm head-in adjustments cannot be per-
formed unless the stylus tip position is approximately
in the 30 cm lead-in position. In addition, if the screw-
driver is left inserted, the arm will rot move.
Adjusting the 17 cm lead-in position
Adjust as necessary, such as when parts of the sensor sec-
tion have been replaced.
However, the following procedures should only be died
when a discrepancy is found for the 17 cm !ead-in position,
after the 30 cm lead-in position has been adjusted.
1)
2}
3)
4)
5)
Set the record size selector to 17 cm.
By continuously pressing the start switch, the arm will
move over and stop. At this time, check now many
millimeters, toward the inside or outside, the stylus tip
deviates from the required 17 cm lead-in position,
Take off the bottom cover of the cabinet and check
the adjustment scale position of the shutter. {One
adjustment scale corresponds to a stylus tip movement
of 0.5 mm.)
Untighten the screw holding the sub shutter and place
a small flat-headed screwdriver into the slot of the
shutter. When the sty!us position is taward the inside,
“sompared to the required position, move the sub:
shutter toward the right of the scale; when the stylus
position is toward the outside, move the sub shutter
toward the left. When completed, tentatively tighten
the screw holding the sub shutter,
After the adjustments are made, press the start switch
and check whether or not the stylus stops at the 17 cm
lead-in position. ;
If the stylus stops at the required position, then tighten
the sub shutter screw.
Screwdriver
Shutter
Sub shutter
Stopper
Sub shutter screw

Denon DP-37F Series Specifications

General

Brand	Denon
Model	DP-37F Series
Category	Turntable
Language	English