Akai AP-M7

VI. MECHANICAL ADJUSTMENT
6-1. ORDINARY MECHANICAL ADJUSTMENTS (Refer to Fig. 6-1)
ARM POSITION MARKER
CHASSIS TRANSPORT
CARTRIDGE SCREW
1) Ordinary Mechanical Adjustments such as Stylus
Pressure, Overhang and Tone Arm Height Adjustment
are not necessary since this model is equipped with a
Dynamic-Balance linear tracking Tone Arm and a VM
cartridge with plug-in connector. (Any brands of
cartridges with ‘(]4P] mark are applicable without
any adjustments. However a cartridge which has the
same output voltage (3.5 mV/1 kHz, 5 cm/sec peak)
is recommended.)
2) Stylus Pressure is pre-adjusted to 1.25 grams at the
factory, and re-adjustment is not necessary in normal
conditions.
However, this model is equipped with the Stylus
OOO
mms
SERVICE
MANUAL
AP-M7/S
a.
Fig. 6-1 Outside View of Moving Base Block
STYLUS GUARD
STYLUS (RS-7)
PLUG-IN TYPE
CARTRIDGE (PC-7)
TONE ARM
ELEVATION
PROP SCREW
STYLUS PRESSURE
FINE - ADJUSTER
Pressure Fine-Adjuster located below the Tone Arm
section shown in Fig. 6-1.
Adjust it only when, for some reason, (Temperature,
etc.) the stylus skips or there is distortion in the
sound.
Stylus Pressure can be adjusted from the minimum
0.5 grams (Adjuster-fully counter-clockwise) to the
maximum 2.0 grams (Adjuster-fully clockwise) cen-
tering around 1.25 grams. In other words, Stylus
Pressure can be adjusted within 1.25 + 0.75 grams by
turning the adjuster clockwise or counterclockwise
through an angle of about 45 degrees in each direc-
tion.
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