Sony PS-242 - Mechanical Adjustments

9-242
SECTION 4
ADJUSTMENTS
4-1. MECHANICAL ADJUSTMENTS
Speed Detecting Head Output Level Adjustment
Set the head deck as shown.
Make sure that the VIVM reading is more
than 20 mV ac.
If necessary, adjust the position of the head
deck by loosening the adjustment screw.
Note: Make sure that the head does not touch
the turntable.
VT VM
more than 20mV ac
fat 33 rpm)
Longitudinal Sensitivity Adjustment
Make the longitudinal balance adjustment of
tonearm.
Repeating the following procedures, adjust the
pivot screw and the lock nut.
a. When the 70 mg weight is placed on the top
of the shell, the tonearm sinks more than
Smm (measured at stylus-tip.).
. When the weight is removed, the tonearm
returns horizontally.
Pivot screw
pivot lock nut
Note: Rotate the left and right pivot screws by same
numbers of turns.
Figs 43 screwdriver
weight (70 mg)
than 5mm