Yamaha MSP5 Service Manual page 7

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MSP5
Q Q
3 7 6 3 1 5 1 5 0
4
Power Transformer
4-1
Remove the woofer. (See procedure 1)
4-2
Remove the amplifier assembly. (See procedure 2)
4-3
Remove the three (3) screws marked [A150A] and
one (1) screw marked [A151A]. The power transformer
with the base can then be removed. (Fig. 4)
4-4
Remove the four (4) screws marked [A150B].
The power transformer can then be removed.
5
MAIN (1/5,2/5) Circuit Board
5-1
Remove the woofer. (See procedure 1)
5-2
Remove the amplifier assembly. (See procedure 2)
5-3
Remove the power transformer. (See procedure 4)
5-4
Remove the four (4) screw marked [A170] and the
two (2) screws marked [A160]. The MAIN (1/5,2/5)
circuit board can then be removed. (Fig.4)
6
MAIN 3/5 Circuit Board
6-1
Remove the woofer. (See procedure 1)
6-2
Remove the amplifier assembly. (See procedure 2)
6-3
Remove the four (4) screws marked [A180A]. The
shield sheet can then be removed. (Fig.5)
6-4
Remove the two (2) screws marked [A180B], the
T E
nut marked [A190], the washer marked [A200] and
L
1 3 9 4 2 2 9 6 5 1 3
the screw marked [A180C]. The MAIN 3/5 circuit
board can then be removed. (Fig.5)
[A150B]
[ A150A ]
[ A150A ]
[A160]
[ A151A ]
[ A150A ]
[A 150B ]
[ A170 ]
[ A170 ]
w w w
[A150]: Bind Head Tapping Screw-B 4.0X10 MFZN2BL (EP600240)
[A151]: Bonding Tapping Screw-B 4.0X10 MFZN2Y (V2491300)
[A160]: Bind Head Screw 3.0X14 MFZN2BL (VH610100)
[A170]: Bind Head Screw 3.0X6 MFZN2BL (EG330360)
Fig.4
[A180A]
[A180B]
x
a o
[A180C]
y
[A190][A200]
.
[A180]: Bonding Tapping Screw-B 3.0X10 MFZN2BL (VQ049800)
i
[A190]: Hexagonal Nut 12.0 14X2 MFZN2BL (VD794100)
[A200]: Flat Washer 12S MFC2BL (VB004700)
Fig.5
Fig.6
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8
7
MAIN 4/5 Circuit Board
7-1
Remove the woofer. (See procedure 1)
7-2
Remove the amplifier assembly. (See procedure 2)
7-3
Remove the knob marked [60] and the nut. The
MAIN 4/5 circuit board with the volume can then be
removed. (Fig.6)
8
MAIN 5/5 Circuit Board
8-1
Remove the woofer. (See procedure 1)
8-2
Remove the amplifier assembly. (See procedure 2)
8-3
Remove the two (2) marked [140]. The MAIN 5/5
circuit board can then be removed. (Fig.7)
9
Heat Sink
9-1
Remove the woofer. (See procedure 1)
9-2
Remove the amplifier assembly. (See procedure 2)
9-3
Remove the power transformer. (See procedure 4)
9-4
Remove the MAIN 1/5 circuit board.
(See procedure 5)
9-5
Remove the two (2) screws marked [A151] and
the eight (8) screws marked [A150]. The heat sink
can then be removed. (Fig.8)
Q
Q
3
7
6
3
[60]
[140]
[140]: Bind Head Tapping Screw-P 3.5X8 ZMCBL (VD277800)
u 1 6 3
.
http://www.xiaoyu163.com
2
4
9
9
8
1
5
1
5
0
8
9
2
4
[ A150 ]
[ A151 ]
[ A150 ]
[A150]: Bind Head Tapping Screw-B 4.0X10 MFZN2BL (EP600240)
m
[A151]: Bonding Tapping Screw-B 4.0X10 MFZN2Y (V2491300)
c o
Fig.7
MSP5
2
9
9
9
8
2
9
9
[ A150 ]
[ A150 ]
[ A151 ]
Fig.8
7

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