Disassembling The Keyboard Assembly - Yamaha PSR-S710 Service Manual

PSR-S710/PSR-S910
24.

Disassembling the Keyboard Assembly

24-1 Remove the lower case assembly. (See procedure 1.)
24-2 Remove the keyboard assembly. (See procedure 13.)
24-3 EMKS61A Circuit Board
(Time required: About 8 minutes)
24-3-1 Remove the two (2) screws marked [30]. The
EMKS61A circuit board can then be removed. (Fig. 11)
24-4
MK-L Circuit Board
(Time required: About 9 minutes)
24-4-1 Remove the EMKS61A circuit board.
(See procedure 24-3.)
24-4-2 Remove the MK-L circuit board while pressing the
eight (8) hooks A in the direction of the arrow. (Fig. 12)
24-5 MK-H Circuit Board
(Time required: About 9 minutes)
24-5-1 Remove the MK-H circuit board while pressing the
seven (7) hooks A in the direction of the arrow.
(Fig. 12)
RUBBER CONTACT
20
MK-H EMKS61A
[30]: BIND HEAD TAPPING SCREW-P 3.0X8 MFZN2B3 (WF266600)
Photo 5
24-6 Rubber Contact
24-6-1 Remove the rubber contact. (Fig. 12) (Photo 5)
24-7
White and Black Keys
24-7-1 Remove the twenty-one (21) screws marked [140K],
then remove the black keys from the lower notes.
(Fig. 13)
24-7-2 Remove the white keys DFA and C'. (Fig. 13)
24-7-3 Remove the while keys CEGB from the higher notes.
(Fig. 13)
* Lift the front portion of the keys and slide them
towards you. The keys can then be removed from
the assembly.
[30]
Fig. 11
HOOK A
BLACK KEY
MK-L
MK-L MK-H
,
WHITE KEY
RUBBER CONTACT
Fig. 12