Yamaha PSR-170 Servis Kılavuzu - Sayfa 9

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Ayrıca Yamaha PSR-170 için: Servis Kılavuzu (26 sayfalar)

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White key and Black key

(Time required : About 10 min. each)

8-1.

Remove the lower case assembly. (See procedure 1)

8-2.

Remove the four (4) screws marked [110A] fixing

the black and white keys for one octave. The black

and white keys of each octave can then be removed.

(Fig.7) At this time, lift the back of black key with

[110A]

[110] : Bind Head Tapping Screw-P

MK-L and MK-H Circuit Board

(Time required : About 15 min. each)

9-1.

Remove the lower case assembly. (See procedure 1)

9-2.

Remove the black and white keys (C1–B3).(See

procedure 8.)

Remove the four (4) screws marked [90A] and the

[100A]

[110A]

3.0X20 MFZN2

(Fig. 7)

[90A]

[100A]

MK-L

[90] :

Bind Head Tapping Screw-B

[100] : Bind Head Tapping Screw-P

pushing the hooks of it and slide the black key

towards you. (Photo 1)

8-3.

When removing the C6 key, remove a screw

marked [110B] and then lift the back of C6 key

with pushing the hook of it and slide it towards

you. (Fig.7)

[110A]

(VT069800)

eight (8) screws marked [100A]. The MK-L circuit

board can then be removed. (Fig. 8)

9-3.

Remove the black and white keys (C4–C6).(See

procedure 8.) Remove the three (3) screws marked

[90B] and the five (5) screws marked [100B]. The

MK-H circuit board can then be removed. (Fig. 8)

[100A]

[100B]

3.0X8

MFZN2Y(EP600250)

SP 3.0X12

MFZNBL(VZ313100)

(Fig. 8)

[110B]

Hook

(Photo 1)

C6 Key

[90B]

[100B]

MK-H

PSR-170