Assembling The Keyboard Assembly - Yamaha PSR-S710 Service Manual

25.

Assembling the Keyboard Assembly

25-1 Install the white keys CEGB from the lower notes.
(Fig. 13)
25-2 Install the white keys DFA and C'. (Fig. 13)
25-3 Install the black keys from the higher notes, and tighten
the twenty-one (21) screws marked [140K]. (Fig. 13)
* To install the white and black keys, insert the
projections of the keys into the respective slots [C]
on the frame fi rst. (Photo 6, Photo 7, Photo 8)
BLACK KEY
[140]: BIND HEAD TAPPING SCREW-P 3.0X16 MFZN2W3 (WE97300R) or
BIND HEAD TAPPING SCREW-P 3.0X16 MFZN2B3 (WE983200)
Fig. 13
Projection
WHITE KEY
Photo 6
[140K] x 21
WHITE KEY DFA
WHITE KEY CEGB
WHITE KEY C'
Projection
BLACK KEY
Photo 7
25-4 Install the rubber contacts while pulling the keys up.
(Fig. 14, Fig. 15)
* When fi tting the rubber contacts, raise both ends
of the frame so that keys do not push the rubber
contact up.
25-5 Install the MK-L and MK-H circuit boards in the
assembly so that the hooks B hold it. (Fig. 16)
RUBBER CONTACT
Fig. 14
MK-L MK-H
,
HOOK B
Fig. 16
WHITE KEY
PSR-S710/PSR-S910
RUBBER CONTACT
Fig. 15
[C] FRAME
Photo 8
21