Disassembly Procedures - Yamaha YST-MS30 Service Manual

YST-MS30/YST-MS35D

DISASSEMBLY PROCEDURES

(Remove parts in disassembly order as numbered.)
•
Disassemble of the Subwoofer
1. Removal of the Rear Panel Ass'y.
a. Remove 1 knob from the rear panel ass'y in Fig. 1.
1
b. Remove 8 screws (
panel ass'y from the cabinet ass'y.
c. Disconnect the speaker cord in Fig. 1.
Speaker Cord
Fig. 1
2. Removal of the Speaker Unit
2
a. Remove 4 screws (
speaker unit from the cabinet ass'y.
Fig. 2
5
YST-MS30
) in Fig. 1, and remove the rear
Cabinet Ass'y
Rear Panel Ass'y
Knob
) in Fig. 2, and remove the
Cabinet Ass'y
Speaker Unit
2 2 2 2 2
YST-MS35D
3. Removal of the P. C. B. Ass'y
a. Remove 2 screws (3) in Fig. 3, and remove the P. C. B.
AMP (1) from the rear panel ass'y.
b. Disconnect 2 connectors (CN1 and CN3) from the P. C.
B. AMP (1) in Fig. 3.
c. Remove 4 screws (4) in Fig. 3, and remove the mold
case from the rear panel ass'y.
d. Remove 3 screws (5) in Fig. 3, and remove the P. C. B.
AMP (2) from the rear panel ass'y.
YST-MS35D only
e. Remove 2 screws (6) in Fig. 3, and remove the P. C. B.
AMP (4) from the rear panel ass'y.
f. Disconnect 2 connectors (CN2 and CN5) from the P. C.
B. AMP (4) in Fig. 3.
1 1 1 1 1
CN3
CN1
P.C.B. AMP (4)
CN2
CN3
CN1
P.C.B. AMP (1)
Rear Panel Ass'y
CN5
P.C.B. AMP (2)
Mold Case
Fig. 3
3 3 3 3 3
6 6 6 6 6
5 5 5 5 5
4 4 4 4 4