Vr Circuit Board - Yamaha STAGEPAS 300 Service Manual

STAGEPAS 300
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10.

VR Circuit Board

(Time required: About 10 minutes)
10-1 Remove the INPUT circuit board. (See procedure 9)
10-2 Remove the six (6) volume knobs (white) marked
[130] and the volume knob (red) marked [140] from
the panel printing side. (Fig.8)
10-3 Remove the five (5) screws marked [160]. The VR
circuit board can then be removed. (Fig.10)
* The following parts are not parts of the VR
circuit board. When replacing the VR circuit
board, be sure to remove these parts and attach
them to the new VR circuit board. (Fig.11)
• [90]: Push buttons
• [100B]: Volume knob (S) (white)
• [110A]: Volume knobs (S) (green) 12 pcs.
• [120B]: Volume knob (S) (blue)
<Top view>
[140] Volume knob (Red)
(
TE
L 13942296513
[130] Volume knob (White) X 6
[190a]: Hexagonal Nut (
[200]: Bind Head Tapping Screw-B (
INPUT
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Fig.9 (
.
10
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5 pcs.
1 pc.
1 pc.
[190a] X 8
( ))
[200] X 10
( ( ))
Fig.8 (
[170] Push button
( )
[180] Push spacer
( )
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2 9
8
<Bottom view>
INPUT
Q Q
3 6 7 1 3
[CN26]
Panel assembly
( )
) M11.0
) 3.0X10 NI-BL (AAX61710)
)
<Bottom view>
[160] X 5
.
[160]: Bind Head Screw (
3.0X8 CR3 (AAX61910)
9 4 2 8
1 5 0 5 8 2 9 9 4
[CN21]
VR
VR
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Panel assembly
( )
Fig.10 ( )
9 9
2 8 9 9
)