Crystal Display; Keyboard Assembly - Yamaha Tyros3 Service Manual

LCD UPPER CASE
[S03K]
LCR
CN2
[S03]: BIND HEAD TAPPING SCREW-B
3.0X8 MFZN2W3 (WE774301)
Fig. 15
LCD UPPER CASE CRYSTAL DISPLAY
[S03L]
A
[S03L]: BIND HEAD TAPPING SCREW-B
3.0X8 MFZN2W3 (WE774301)
Fig. 16
LCL
[S03J]
CN2
CN2
A
[S05P]: BIND HEAD TAPPING SCREW-B 3.0X10 MFZN2W3 (WE774200)
[S07A]: PW HEAD TAPPING SCREW-B 3.0X12 MFZN2W3 (WF00210R)
25.

Crystal Display

(Time Required: About 7 minutes)
25-1 Separate the upper case unit and lower case unit.
(See procedure 1.)
25-2 Remove the LCD unit. (See procedure 21.)
25-3 Remove the LCD lower case assembly and gear.
(See procedure 22.)
25-4 Lift the stopper of the connector at the portion [A] as
shown in Fig. 16 and then remove the flat cable and
ferrite core. (Fig. 16)
25-5 Remove the four (4) screws marked [S03L]. The crystal
display can then be removed. (Fig. 16)
When connecting to the connector, pay attention
not to insert the cable inversely.
26.

Keyboard Assembly

(Time Required: About 9 minutes)
26-1 Separate the upper case unit and lower case unit.
(See procedure 1.)
26-2 Remove the two (2) screws marked [S07A]. The two (2)
data line fi lters can then be removed. (Fig. 17)
26-3 Remove the eight (8) screws marked [S14B] and fi ve (5)
screws marked [S05P]. (Fig. 1、Fig. 17)
* Be sure to loosen the cord holder marked [18] and
release the flat cable (PC sensor) from the cord
holder before lifting the keyboard. (Fig.17)
If the keyboard is lifted without releasing the flat
cable from the cord holder, the flat cable or the
sensor may be damaged.
26-4 Raise the MK unit from front side so that the front
side will face upward while paying attention to the
connector assemblies. (Photo 5)
26-5 Remove the screw marked [MS13] and two (2) screws
marked [MS03]. The keyboard assembly can then be
removed. (Fig. 18)
• Top View
LOWER CASE UNIT
[S05P]
[S07A] [S05P]
DATA LINE FILTER
MK UNIT
Fig. 17
Tyros3
DATA LINE FILTER
[S07A]
[S05P]
[S05P]
FLAT CABLE
[18]
19