Fisher MT-730 - Page 10

TURNTABLE ADJUSTMENTS <Ccontinuea)
Photointerrupter Position Adjustment for Arm Feed
1.
2.
3.
Turn on the power switch of the unit.
Place a record with less eccentricity on the turntable and
play it.
After the record has rotated three or four times, raise the arm
by pressing the CUEING button.
Turn the arm feed adjustment screw with a screwdriver
through the hole on the right side of the cabinet, so that the
arm rises straight up. (Fig. 7)
na |
Arm Feed Screw
Fig. 7
Lead-in Position Adjustment
1.
2.
3.
Turn on the power switch of the unit.
Place a record on the turntable and perform the lead-in
operation.
Adjust the lead-in position adjustment cam, so that the
record is led into the correct position.
Note: If the cam is turned clockwise, the tonearm moves
inward. It moves outward if the cam is turned counter-
clockwise. (Fig. 8)
Lead-in Position Adjustment Cam
Fig. 8
End Return Sensitivity Adjustment
1.
2.
3.
Turn on the power switch of the unit.
Connect the oscilloscope to TP . (Fig. 9)
Play a record and adjust VRO1 (100 K-B), so that the peak
value of the DC element becomes 2.6 ~ 2.8V. (Fig. 10)
Confirm that the END Return is smoothly exercised.
PSE ye ic TOE RLS RITE RTE
Fig. 9
2.6~ 2.8V
OV
Fig. 10