Disassembly Procedures - Yamaha NS-BP300 Service Manual

■ DISASSEMBLY PROCEDURES

(Remove parts in disassembly order as numbered.)
Disconnect the power cable from the AC outlet.
1. Removal of Top Cover Unit
a. Remove 4 screws ( ① ) and 4 screws ( ② ). (Fig. 1)
b. Lift the top cover unit. (Fig. 1)
c. Remove CB108 and CB301. (Fig. 1)
d. Remove the top cover unit. (Fig. 1)
Top cover unit
Front panel unit
3
4
1
5
Hook
W804
W805
CB53
3
MAIN (5) P.C.B.
2. Removal of Front Panel Unit
a. Remove 2 screws ( ③ ) and 2 screws ( ④ ). (Fig. 1)
b. Remove 2 screws ( ⑤ ) and remove W804-805. (Fig. 1)
c. Remove CB53, CB101 and CB109. (Fig. 1)
d. Release 2 hooks and remove the front panel unit.
(Fig. 1)
5
FUNCTION (1) P.C.B.
CB101
CB109
Hook
Fig. 1
R-840/NS-BP300
2
2
2
CB301
CB108
1
17