Sony PS-2250 - Adjustment Procedures; Speed Adjustment; Tonearm Height Adjustment; Stylus Force & Anti-Skating Adjustment

SECTION 3 |
ADJUSTMENT PROCEDURES
3-1. SPEED ADJUSTMENT
Note: Correct operating speed should be ob-
tained when the front-panel speed control
_is at or near the midrange setting. If not,
readjustment is needed.
Procedure:
1. Set the fine speed control to mid position.
2: Place the turntable in the horizontal position.
3. Set the 33/45 control to the 45 position, and
then turn adjustable resistor VR1 (See Fig. 3-1)
to obtain the correct strobe indication. Fig. 3-2. Tonearm height adjustment
4. After completing the 45 rpm adjustment,
proceed to the 33 rpm adjustment as previous-
ly described, except turning adjustable resistor
VR2 (See Fig. 3-1). :
3-3. STYLUS-FORCE AND ANTI-SKATING
FORCE ADJUSTMENT
1.. Set the anti-skating compensator to its “0”
position.
2. Release the tonearm from its arm rest.
Make sure the tonearm floats freely.
3. Set the stylus force gauge to its ‘‘0” position.
4. Horizontally balance the tonearm by sliding
the counter weight at the rear of the tonearm.
Notice that the vernier weight is provided for
precise adjustment. See Fig. 3-3.
5. Turn the stylus-force knob to obtain the proper
(recommended) value of stylus force.
6. Set the anti-skating compensator to match
the value set in Step 5.
Fig. 3-1. Speed adjustment
. counterweight
3-2. TONEARM HEIGHT ADJUSTMENT [er weight
1. Release the locking lever at the tonearm base
by turning it counterclockwise as shown in
Fig. 3-2.
2. Tonearm height can be adjusted by turning the
tonearm height adjustment ring on the tonearm
base as shown in Fig. 3-2.
Fig. 3-3. Tonearm balance adjustment