Yamaha Portatone PSR-E213 Service Manual
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Brand: Yamaha
Category: Electronic Keyboard , Musical Instrument , Synthesizer
Type: Service manual
Model: Yamaha Portatone YPT-210 , Yamaha PSR-E213
Pages: 37
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PSR-E213/YPT-210
13
8. MK-L Circuit Board, MK-H Circuit Board
(Time required: About 6 minutes each)
8-1 Remove the lower case keyboard assembly. (See pro-
cedure 5)
8-2 MK-L Circuit Board
8-2-1 Remove the keyboards from C1 to B3. (See procedure 6)
8-2-2 Remove the four (4) screws marked [90A], and eight (8)
screws marked [100A]. The MK-L circuit board can then
be removed. (Fig. 6-1)
8-3 MK-H Circuit Board
8-3-1 Remove the keyboards from C4 to C6. (See procedure 6)
8-3-2 Remove the three (3) screws marked [90B], and five (5)
screws marked [100B]. The MK-H circuit board can then
be removed. (Fig. 6-1)
* When replacing the MK-L circuit board or the MK-H cir-
cuit board, attach the shield sheet L or the shield sheet
H on the pattern side of the new circuit board before
installing if these shield sheets are originally installed.
(U only) (Fig. 6-2)
[90A] : Bind Head Tapping Screw-B 3x8 MFZN2W3 (WE774300)
[90B] : Bind Head Tapping Screw-B 3x8 MFZN2W3 (WE774300)
[100A] : Bind Head Tapping Screw-P 3x12 MFZN2W3 SP (WH899400)
[100B] : Bind Head Tapping Screw-P 3x12 MFZN2W3 SP (WH899400)
Fig. 6-1
• Top view
[100A] [100A] [100B]
MK-L MK-H
[90A] [90A]
Rubber ContactRubber Contact
[90A] [90A] [90B]
Wiring Assembly GND2
(U only)
[90B] [90B]
Rubber ContactRubber ContactRubber Contact
Shield Sheet H
(U only)
Shield Sheet L
(U only)
Fig. 6-2