Sony PS-FL1 - Mechanical Adjustments; Stylus Height Adjustment; Brake Drum Position Adjustment; Return Position Adjustment

Stylus Height Adjustment
Obtain zero balance and apply appropriate stylus
force with counterweight.’ (1.8g for XL-150
cartridge, 2.0g for VL-5 cartridge)
POWER switch: ON
Put a record on and press START/STOP switch.
Turn the POWER switch OFF when the tonearm
PS-FL1/FLIC
6 Confirm that the cartridge does not touch the top
plate when the module is pulled out.
adjustment screw
(
.
3-3. ELECTRICAL ADJUSTMENTS
Gain/Offset Adjustments
. Connect a lead wire to the points @ and © , and
apply a 1.2V dc to the point @ via point ® .
2. Turn the power switch on, and push the START/
STOP button.
3. Adjust the gain adjustment RV103 at the switch
position H1 for a 6Vp-p reading on the oscillo-
scope.
4. Adjust the gain adjustment RV104 at H2 for a
6Vp-p reading.
5. Adjust the offset adjustment RV105 at H1 fora
OV dc centering on the waveform.
6. Adjust the offset adjustment RV106 at H2 fora
OV dc centering.
7. After the adjustments, disconnect a lead wire
from the points @ and @® , and remove the dc-
voltage connection from the point ® .
reaches the end of the record, and the arm lifter
rises to perform auto return.
At this time, the distance between the record and
the stylus tip is 6 — 11mm.
Note: Set the sweep time longer for
easy waveform checking.
Brake Drum Position Adjustment Return Position Adjustment
1. Lock the tonearm on the arm rest.
2. Adjust the brake drum position so that the brake
drum edge comes to the center of the brake felt.
1. SPEED switch: 33 rpm
2. Put on a test record. (YFSC-16)
Move the tonearm by hand and place in the return
check groove.
3. Press the START/STOP switch and turn the
adjustment screw so that it returns at count of
10 — 12.
Clockwise: to the groove
Counterclockwise: to the end of the record
oscilloscope
brake felt
adjustment
screw
brake drum
Spe (we ttl
return position Measuring Circuit
adjustment screw j :
detection slit
~30—