PSR-A1000
11
[510]: Bind Head Tapping Screw-B 3.0x6 MFZN2Y (EP600130)
(Fig. 10)
LCD holder
LCD
[510]
[510]
13.
Disassembling the Keyboard Assembly
(Time required: About 20 minutes)
13-1
Remove the Keyboard assembly. (See procedure 8.)
13-2
Remove the two (2) screws marked [30]. The MKS5F cir-
cuit board can then be removed. (Fig. 2)
*
Be sure to make a correct match when connect-
ing MKS5F (CN1) and DM (CN102).
Connecting the connectors in the wrong way around
may cause damage to the MKS5F circuit board.
13-3
Remove the MK-L and MK-H circuit board while pressing
the fifteen (15)hooks A inward, and then remove the rub-
ber contact. (Fig. 11)
13-4
Remove the twenty-one (21) screws marked [140], then
remove the black keys from the lower notes. Afterwards,
remove the white keys DFA and C' and then remove the
white keys CEGB from the higer notes. At this time, lift
the keys from the front and slide them towards you. The
keys can then be removed from the assembly. (Fig. 12)
14.
Assembling the Keyboard Assembly
(Time required: About 20 minutes)
14-1
Install the white keys CEGB from the lower notes, and then
install the DFA keys and C' key. Afterwards install the black
keys from the higher notes, and tighten the twenty-one (21)
screws marked [140]. (Fig. 12)
14-2
Install the rubber contacts in the assembly while pressing
the keys as shown in Figure13. Check that the rubber con-
tact has been firmly placed into position in the area indi-
cated by the arrow in Figure 14. When fitting the rubber
contacts, raise both ends of the frame so that keys do not
push the rubber contact up.
14-3
Install the MK-L and MK-H circuit boards in the assembly
so that the hooks B hold it as shown in Figure 15.
12-10
PN4 Circuit board
(Time required: About 20 minutes) :
12-10-1 Remove the five (5) screws marked [520I]. The PN4 cir-
cuit board can then be removed. (Fig. 7)
12-11
LCD (Time required: About 20 minutes) :
12-11-1 Remove the four (4) screws marked [520J]. The LCD can
then be removed with the LCD holder. (Fig. 7)
12-11-2 Remove the four (4) screws marked [510]. The LCD holder
can then be removed from the LCD. (Fig. 10)
[140]: Bind Head Tapping Screw-P 3.0x16 MFZN2BL (VB205200)
[140]: Bind Head Tapping Screw-P 3.0x16 MFZN2B (VS756700)
(Fig. 12)
(Fig. 15)
MK-L
MK-H
,
MK-L
MK-H
,
Hooks A
Hooks B
Black key
Black key
Rubber contact
Rubber contact
Rubber contact
White key
White key C'
White key CEGB
White key DFA
(Fig. 11)
(Fig. 13)
(Fig. 14)
[140]
