13
PSR-E223/YPT-220
6-4
Rubber Contact
6-4-1 Remove the white and black keys corresponding
to the rubber contacts to be removed. (See Fig.6
and Procedure 6-3.)
6-4-2 Remove the rubber contacts. (Photo 2, Fig.7)
6-5
MK-L Circuit Board
6-5-1 Remove the white and black keys from C1 to B3.
(See Fig.6 and Procedure 6-3.)
6-5-2 Remove the four (4) screws marked [90B] and
eight (8) screws marked [100C]. The MK-L circuit
board can then be removed. (Fig.7)
6-6
MK-H Circuit Board
6-6-1 Remove the white and black keys from C4 to C6.
(See Fig.6 and Procedure 6-3.)
6-6-2 Remove the three (3) screws marked [90C] and
fi
ve (5) screws marked [100D]. The MK-H circuit
board can then be removed. (Fig.7)
6-4
接点ゴム
6-4-1 外そうとする接点ゴムに対応した白鍵・黒鍵を外
します。
(図 6、6-3 項参照)
6-4-2 それぞれの接点ゴムを外します。
(写真 2、図 7)
6-5
MK-L シート
6-5-1 C1 〜 B3 の白鍵・黒鍵を外します。
(図 6、6-3 項参照)
6-5-2 [90B] のネジ 4 本と [100C] のネジ 8 本を外して、
MK-L シートを外します。
(図 7)
6-6
MK-H シート
6-6-1 C4 〜 C6 の白鍵・黒鍵を外します。
(図 6、6-3 項参照)
6-6-2 [90C] のネジ 3 本と [100D] のネジ 5 本を外して、
MK-H シートを外します。
(図 7)
[90B]
[100C]
[90B]
[90B]
[90B] [90C]
[90C]
[90C]
[100C]
[100D]
MK-L
MK-H
Top view
(上から見た図)
RUBBER CONTACT
(接点ゴム)
RUBBER CONTACT
(接点ゴム)
RUBBER CONTACT
(接点ゴム)
RUBBER CONTACT
(接点ゴム)
RUBBER CONTACT
(接点ゴム)
[90]: BIND HEAD TAPPING SCREW-B
(Bタイト+BIND)
3.0X8 MFZN2W3 (WE774301)
[100]: BIND HEAD TAPPING SCREW-P
(Pタイト+BIND)
3.0X12 MFZN2W3 SP (WH899400)
Fig.7
(図7)
Photo 2
(写真2)
RUBBER CONTACT
(接点ゴム)