Mk-76L And Mk-76H Circuit Boards; Rubber Contact - Yamaha DGX-220 Service Manual
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Also See for DGX-220:
- Owner's manual (118 pages) ,
- Service manual (52 pages) ,
- Manuale di istruzioni (118 pages)
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DGX-220/YPG-225
11.
MK-76L and MK-76H Circuit Boards
(Time required: About 7 minutes for each)
11-1
Remove the lower case assembly. (See procedure 1.)
11-2
Remove the E0-B3 white/black keys. (See procedure 10.)
Remove four (4) screws [220A] and nine (9) screws [220B]. The MK-76L circuit board and the key guide can then be
removed. (Fig.13)
11-3
Remove the C3-G6 white/black keys. (See procedure 10.)
Remove five (5) screws [220C] and twelve (12) screws [220D]. The MK-76H circuit board and the key guide can then be
removed. (Fig.13)
*
When installing the MK-76L circuit board, tighten the screws from No. 1 through No. 13 in order as shown in Fig.14.
*
When installing the MK-76H circuit board, tighten the screws from No. 1 through No. 17 in order as shown in Fig.14.
13
2
9
12.
Rubber Contact
12-1
Remove the lower case assembly. (See
procedure 1.)
12-2
Remove the keyboard assembly correspond-
ing to the rubber contact. (See procedure 10.)
12-3
Remove the rubber contact. (Fig.15)
14
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MK-76L
[220A]
[220B]
[220]: Bind Head Tapping Screw-B 3.0X10 MFZN2W3 (WE774200)
MK-76L
12
11
8
7
6
5
4
3
manuals search engine
MK-76H
Lower Case
(Fig.13)
10
13
14
1
1
3
4
5
6
(Fig.14)
[220C]
[220D]
MK-76H
15
16
7
8
9
10
11
12
(Fig.15)
17
2
Rubber Contact
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