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Circuit Board 61L-MK
l
1. Remove the C1 to B3 white and black keys. (See Fig.1 and "●White keys and black keys")
2. Remove the 4 screws marked [100C] and 8 screws marked [100A]. The circuit board 61L-MK can then be removed.
(Fig.2)
*
When installing the circuit board 61L-MK, tighten the screws from No. 1 to 12 in the numerical order as shown in the
figure "61L-MK" in Fig.3. (Fig.3)
Circuit Board 61H-MK
l
1. Remove the C4 to C6 white and black keys. (See Fig.1 and "●White keys and black keys")
2. Remove the 3 screws marked [100D] and 5 screws marked [100B]. The circuit board 61H-MK can then be removed.
(Fig.2)
*
When installing the circuit board 61H-MK, tighten the screws from No. 1 to 8 in the numerical order as shown in the
figure "61H-MK" in Fig.3. (Fig.3)
KEYBOARD RUBBER
CONT16N-2M
[100C]
[100C]
[100A]
9
2
3
KEYBOARD RUBBER
KEYBOARD RUBBER
CONT16N-2M
CONT16N-2M
[100C]
[100A]
61L-MK
61L-MK
10
11
4
5
6
7
HOOK
Photo1
KEYBOARD RUBBER
CONT16N-2M
[100C]
[100D]
[100B]
61H-MK
Fig.2
61H-MK
12
6
8
1
1
3
Fig.3
PSR-E473
KEYBOARD RUBBER
CONT16N-2M
[100D]
[100D]
[100B]
7
8
4
5
2
15
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