Disassembly Procedure; Remove The Top Board Assembly. (See Procedure - Yamaha CLAVINOVA CVP-105 Service Manual

CVP-105

DISASSEMBLY PROCEDURE

1 Top Board Assembly
1-1 Disconnect the PK cable. (Fig. 2)
1-2 Disconnect the AC cord.
1-3 Remove the three (3) screws marked [50]. The top
board can then be removed by sliding and lifting up.
(Fig. 1)
[50]
[50]
Back Top Board
[50]: Truss Head Screw 4.0 x 8 MFZN2BL (VB934000)
2 Circuit Boards and Units on the Keybed
Remove the following screws, each circuit board
and unit can then be removed. (Fig. 2, 3)
Circuit Board and Unit Ref. No.
DM [56A] Bind Head Tapping Screw-B 3.0 x 8 MFZN2BL
EQ [A] Support, PCB
JACK *1 [56B] Bind Head Tapping Screw-B 3.0 x 8 MFZN2BL
[56C] Bind Head Tapping Screw-B 3.0 x 8 MFZN2BL
NW [59] Bind Head Tapping Screw-1 3.0 x 20 MFZN2Y
FU 60 Ass'y [12A] Bind Head Tapping Screw-1 3.0 x 8 MFZN2Y
Power Trans. [12B] Bind Head Tapping Screw-1 3.5 x 12 MFZN2BL
MA60 Ass'y [58] Bind Head Tapping Screw-B 3.5 x 12 MFZN2BL
*1 Before removing the JACK circuit board, removed the EQ circuit board and the PK cable.
Back Top Board
8
Top board assembly
[50]
(Fig. 1)
Screw
(EP600190)
(VT967700)
(EP600190)
(EP600190)
(EP030340)
(EP600280)
(EP030340)
(EP030340)
[56C]
PK cable
(Fig. 2)
JACK assembly
JACK [CN001]
[56A] x 6
3 Key Cover Assembly
3-1

Remove the top board assembly. (See Procedure 1.)

3-2 Remove the screw marked [56]. The rack cover can
then be removed. (Fig. 4)
QTY
6
3
7 [56]: Bind Head Tapping Screw-B 3.0 x 8 MFZNBL (EP600190)
3
4
4 FDD Assembly
2
4-1 Remove the top board assembly. (See Procedure 1.)
4
4-2 Remove the key cover assembly. (See Procedure 3.)
2
4-3 Remove the screws marked [50B] and [52], there
are two of each. The FDD assembly can then be
removed. (Fig. 5)
[A] x 3 [56B] x 7 [58B] x 2
NW1
[CN002] [59] x 4 MA60 assembly
[12B] x 2
DM EQ [12C] x 2 MA cover
U.S. model only
(Fig. 3)
3-3 Set either end of the rod at the openings guide and
then lift the key cover assembly. (Fig. 4)
Key cover assembly
Rack cover
[56]
(Fig. 4)
4-4 Remove the four (4) screws marked [40]. The
floppy disk drive unit can then be removed. (Fig. 5)
[52]
[40] x 4
[40] x 4
[40]: Bind Head Screw 3.0 x 5 MFZN2Y (EG330150)
[50]: Bind Head Screw-1 4.0 x 10 MFZNBL (VA221600)
[52]: PW Head Tapping Screw-1 3.5 x 18-10 MFZN2Y (VZ057000)
(Fig. 5)
Power transformer FU60 assembly
[11] x 4 [58A] x 2
FU shield cover [12A] x 2
Key cover assembly
[52]
FDD Assembly
[50B] x 2