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3.1
REMOVAL OF PANEL
1. Undo screw
@ in the tonearm, and remove the
head shell (Fig. 3-2).
Head shell
Fig. 3-2 Remove
the head shell
2. Remove
the balance weight from the rear of
the tonearm,
open
the ring out as shown
in
Fig. 3-3 and extract the weight shaft.
A
Ring
Q
Balance
BAY'
255
weight
Weight shaft
Tonearm
Fig. 3-3 Remove the balance weight
8. Remove the top cover and undo the four insula-
tor securing screws @ (Fig. 3-1).
Panel (Top cover)
Connector
4, With the tonearm shifted across to the center,
lift the pipe arm section as high as possible (see
Fig. 3-4), and insert a suitable spacer in between
the elevation sheet and the pipe holder in order
to keep the tonearm in the raised position.
Fig. 3-4 Lift the pipe arm
5. Raise the front part of the panel, and then by
inserting a hand in between the panel and the
base, disconnect the two connectors(Fig. 3-5).
6. Then lift the panel and while taking care not to
knock
the
tonearm,
remove
the
panel with
the tonearm passing through the panel opening.
3.2
REMOVAL OF TONEARM
1. Disconnect
the soldered
lead wires connected
to the connection
board
and
tonearm.
Then
remove the tape around the dynamo, and undo
the three screws @ securing the carrier base (A)
ass'y to enable removal of that ass'y (Fig. 3-6).
Fig. 3-5 Disconnect the two connectors
od oo = 1 Ol
Carrier base (A)
assembly
Fig. 3-6 Remove the tonearm 1
2. The CdS ass'y may be removed by unscrewing
the two screws@. The tracking shutter section
is secured to the arm pivot by screw@. Then
by loosening the carrier base (A) ass'y tonearm
securing screw (hexagonal inset head), the tone-
arm may be gently removed (Fig. 3-7).
3.3
PRECAUTIONS
IN
REMOUNTING
THE
TONEARM
e CdS Ass'y Mounting
1. With a CdS spacer sandwiched between the CdS
component
and the circuit board, secure the
CdS
temporarily
by
bending
the
CdS
feet
projecting through the other side of the circuit
board.
2. Then align the CdS spacer base line with the
center of the circuit board pattern, and allow
adhesive to run in between the CdS component
and
the
CdS
spacer
to join them
together
(Fig. 3-8).
>
Line
Cut out portion
Line
CdS spacer
base
Join them together
Fig. 3-8 Cds assembly mounting
assemby
Hexagonal inset head
Tracking shutter
CdS assembly
Hexagonal inset
head
(4)
Fig. 3-7 Remove the tonearm 2
8. Then while making sure that the CdS compoent
remains in position, solder the bent over CdS
feet to the reverse side of the circuit board.
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