Mixer Assembly (Panel Assembly, Rear Case Assembly); Input Circuit Board - Yamaha STAGEPAS 300 Service Manual

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8. Mixer Assembly (Panel Assembly, Rear
Case Assembly)
(Time required: About 3 minutes)
8-1 Remove the mixer assembly. (See procedure 6)
8-2 Remove the eight (8) screws marked [340], and
separate the panel assembly and rear case
assembly from the mixer assembly. (Fig.7) (See the
cautions below:)
<Cautions on removing panel assembly and connection>
* When removing the panel assembly, take care
not to damage the three connector assemblies
(connector assembly A, B, C). (Fig.7)
* When assembling the panel assembly, connect the
three connector assemblies (connector assembly
A, B, C) in alphabetical order (A→B→ C). (Fig.7)
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L 13942296513
Connector assembly A
[Disassembly of Panel Assembly (Mixer Assembly)]
9.

INPUT Circuit Board

(Time required: About 6 minutes)
9-1 Remove the eight (8) hexagonal nuts marked [190a]
and ten (10) screws marked [200] from the panel
printing side. (Fig.8)
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9-2 Remove the INPUT circuit board from the connectors
CN21 and CN26 of the VR circuit board. (Fig.8)
* The four (4) push buttons marked [170] and four
.
(4) push spacers marked [180] are not parts of
the INPUT circuit board. When replacing the
INPUT circuit board, be sure to remove these
parts and attach them to the new INPUT circuit
board. (Fig.9)
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VR circuit board - CN24
( )
Connector assembly C
( )
( )
POWER circuit board - CN2
(POWER )
Connector assembly B
( )
POWER circuit board - CN9
(POWER )
[340]: Hexagonal Tapping Screw-B (
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8
Panel assembly
( )
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3 6 7 1 3 1 5
) 3.0X8 NI-BL (AAX62010)
Fig.7 ( )
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STAGEPAS 300
9 4 2 8
[340] X 8
0 5 8 2 9 9 4 2 8
Rear case assembly
(
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9 9
9 9
)
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