Ic Block Diagram; Handle; Heat Sink; Circuit Board - Yamaha MS 300 Service Manual

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MS300
QQ
3 7 63 1515 0
6.
Handle (Time required: 13 min.)
6-1.
Remove the cabinet assembly. (See Procedure 2.)
6-2.
Remove the two (2) screws marked [10f] and the
two (2) nuts marked [10g]. The handle can then be
removed. (Fig.3)
7.
Heat sink (Time required: 8 min.)
7-1.
Remove the amplifier assembly. (See Procedure 1.)
7-2.
Remove the AMP circuit board. (See Step 4-2.)
7-3.
Remove the three (3) screws marked [140]. The heat
sink can then be removed. (Fig.2)
TE
L 13942296513

IC BLOCK DIAGRAM

NJM2068L-D
MIX: IC101,IC103,IC104,IC105,
IC106,IC107,IC108
NJM4580L
MIX: IC102
Operational Amplifier
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.
OUT
10
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[10f]: Bind Head Screw-B 5.0 X 35 MFZN2BL (VL670600)
[10g]: Hexagonal Nut 5.0 MFZN2BL (VB664600)
XM356A00
(
)
XF195A00
(
)
x
ao
y
i
A
B
1
2
3
4
5
6
7
8
+
+
+
IN
IN
V
IN
IN
OUT
V
B
B
B
A
A
A
http://www.xiaoyu163.com
8
[10f]
Q Q
3
6 7
1 3
[10g]
Fig.3
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2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
m
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9 9
2 8
9 9

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