Sony PS-2250 - Disassembly and Replacement Procedures; Top Cover Removal; Bottom Plate Removal; Turntable Base Detachment

SECTION 2
DISASSEMBLY
AND
REPLACEMENT
WARNING
Unplug the ac power cord before start-
ing any disassembly or replacement
procedures.
CAUTION
To avoid damage to the stylus while
performing the following procedures,
make sure that the stylus protecting
cover is in place.
2-1. TOP COVER REMOVAL
1. Open the top cover, and then push the upper
hinge toward the left to release the lock as
shown in Fig. 2-1.
2. Carefully lift the top cover straight up. This
frees the top cover.
Fig. 2-1: Top cover removal
2-2, BOTTOM PLATE REMOVAL
1, Flip the wooden case upside down. Place it on
a soft protective pad, and then remove the six
screws (@ PS 3 x 16) securing the bottom plate |
to the wooden case as shown in Fig. 2-2. This
frees the bottom plate.
2-3. TURNTABLE BASE REMOVAL —
Preparation
1. Remove the bottom plate as described in Pro-
cedure 2-2.
2. ~— Up to serial No. 50,550 — (AEP Model Only)
Disconnect 4-p AMPLOK connector from bot-
tom of the turntable and then remove the top
cover as described in Procedure 2-1.
— Serial No. 50,551 and later —
(AEP Model Only)
Disconnect 4-p connector from bottom of the
turntable and then remove the top cover as
described in Procedure 2-1.
Procedure
1.
_ Remove the rubber mat from the turntable, and -
- then insert your fingers into the two holes of
the turntable. with both thumbs placed on the
center spindle as shown in Fig. 2-3.
Carefully lift the turntable straight up: ; a
Remove the three screws ( @©P 5 x 16) and two
screws ( @® PS 4x 20) securing the turntable
base to the wooden.case. This frees the turn-
table base. See Fig. 2-4.
Note: The turntable base may not be easily
"ss Temovable due to the rubber washer.
inserted between the turntable base and
the wooden case. In: this case, gently
push the motor end from the bottom.
Flip. the turntable base upside down. Place a
support between the turntable base and the
service bench to keep pressure off the motor
spindle.
Fig. 2-3. Turntable removal