Yamaha PortaTone PSR-270 Servis Kılavuzu - Sayfa 10

Elektronik Klavye Yamaha PortaTone PSR-270 için çevrimiçi göz atın veya pdf Servis Kılavuzu indirin. Yamaha PortaTone PSR-270 33 sayfaları.

PSR-270

Speakers

11-1

Remove the lower case assembly. (See Procedure 1.)

Disassembling the keyboard assembly

12-1 Remove the keyboard assembly. (See Procedure 1.)

12-2 Remove the two (2) screws marked [30]. The MKS3

circuit board can then be removed. (Fig. 7)

12-3 Remove the MK circuit board while pressing the

fifteen (15) hooks (A) inward, and then remove the

rubber contact. (Fig. 8)

[350]: Bind Head Tapping Screw-P 4.0X8 MFZN2BL (VB931600)

(Fig. 6)

[30]:

Bind Head Tapping Screw-P 3.0X8 MFZN2Y (EP600280)

[340]: Bind Head Tapping Screw-P 3.0X25 MFZN2Y (VK228100)

(Fig. 7)

11-2 Remove the eight (8) screws marked [350]. The right

and left speakers can then be removed. (Fig. 6)

12-4 Remove the twenty-one (21) screws marked [140].

12-5 Remove the black keys from the lower notes. Af-

terwards, remove the white keys DFA and C', then

remove the white keys CEGB from the higher 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. 9)