Yamaha 9000 Pro Посібник з експлуатації - Сторінка 14
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9000 Pro
[310C]
Keyboard
Support x 3
[300B]
12.
PN1, PN2, PN3, LED, MV and EN Circuit Boards
12-1 Remove the bottom assembly. (See procedure 1.)
12-2 Remove the AM circuit board. (See procedure 2.)
12-3 Remove the power supply assembly. (See procedure
2.)
12-4 Remove the DA circuit board. (See procedure 3.)
12-5 Remove the DM and TG circuit boards. (See
procedure 4.)
12-6 Remove the keyboard assembly. (See procedure 2.)
12-7 PN1 Circuit Board
Remove the seventeen (17) screws marked [750F].
The PN1 circuit board can then be removed. (Fig.7)
12-8 PN2 Circuit Board
Remove the five (5) screws marked [750G] and the
screw marked [760]. The PN2 circuit board can then
be removed. (Fig.7)
12-9 PN3 Circuit Board
Remove the AJACK circuit board. (See procedure
10-6.)
Remove the eighteen (18) screws marked [750H].
The PN3 circuit board can then be removed. (Fig.7)
12-10 LED Circuit Board
Remove the screw marked [750I]. The LED circuit
board can then be removed. (Fig.7)
12-11 MV Circuit Board
Pull out the V-knob (MASTER VOLUME) from the
control panel side.
Remove the four (4) screws marked [750J]. The MV
circuit board can then be removed. (Fig.7)
12-12 EN Circuit Board
Pull out the encoder knob and then remove the
hexagonal nut from the control panel side. The EN
circuit board can then be removed. (Fig.7)
14
[320E]
Center Angle Bracket
[300B]: Bonding Tapping Screw-B 4.0X10 MFZN2BL (VJ254100)
[310C]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)
[320]: Bind Head Tapping Screw-B 3.0X6 MFZN2Y (EP600130)
(Time required: About 35 min.)
(Time required: About 30 min.)
(Time required: About 35 min.)
(Time required: About 30 min.)
(Time required: About 30 min.)
(Time required: About 30 min.)
[320E]
[320F] x 5
Keyboard Assembly
(Fig. 9)
13.
FDD
(Time required: About 30 min.)
13-1 Remove the bottom assembly. (See procedure 1.)
13-2 Remove the AM circuit board. (See procedure 2.)
13-3 Remove the power supply assembly. (See procedure
2.)
13-4 Remove the DA circuit board. (See procedure 3.)
13-5 Remove the DM and TG circuit boards. (See
procedure 4.)
13-6 Remove the keyboard assembly. (See procedure 11.)
:
13-7 Remove the four (4) screws marked [160] and the
screw marked [90]. The FDD assembly can then be
removed. (Fig. 10)
:
13-8 Remove the four (4) screws marked [40]. The FDD
holders (L,R) can then be removed from the FDD.
(Fig. 11)
:
:
:
:
[310C]
[320E]
[300B]