Fan (Small); Fan (Large) - Yamaha STAGEPAS 300 Service Manual

STAGEPAS 300
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3 7 63 1515 0
15.

Fan (Small)

(Time required: About 7 minutes)
15-1 Remove the POWER circuit board.
(See procedure 14)
15-2 Remove the shield case together with the fan
(small). (Fig.20)
15-3 Remove the four (4) screws marked [110B]. The
fan (small) can then be removed from the shield
case. (Fig.20)
* The cushion B is not a part of the fan (small).
(Fig.20)
* Connect the connector of the fan (small) to the
CN3 of the POWER circuit board.
16.

Fan (Large)

(Time required: About 7 minutes)
16-1 Remove the power amplifier units A and B.
(See procedures 14-1 and 14-2)
16-2 Remove the two (2) screws marked [70B]. The fan
(large) can then be removed together with the fan
bracket. (Fig.20)
16-3 Remove the four (4) screws marked [60]. The fan
(large) can then be removed from the fan bracket.
(Fig.21)
* The cushion C is not a part of the fan (large).
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(Fig.21)
L 13942296513
* Connect the connector of the fan (large) to the
CN1 of the POWER circuit board.
Fan (small)
( ( ))
Shield case
( )
www
[70B]: Bind Head Tapping Screw-B (
3.0X8 CR3 (AAX61980)
.
[110B]: Pan Head Tapping Screw-B (
3.0X12 CR3 (AAX62050)
Fig.20 (
14
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[110B] X 4
Cushion B
( )
to POWER circuit board - CN3
( )
to POWER circuit board - CN1
( )
[70B] X 2
Fan (large)
( ( ))
Rear case assembly
( x ao
y
)
i
)
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8
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3 6 7 1 3
[60] X 4
[60]: Bind Head Tapping Screw-B (
u163 )
4.0X16 CR3 (AAX62030)
.
)
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
Cushion C
( )
Fan (large)
( ( ))
Fan bracket
(
m
co
Fig.21 ( )
9 9
2 8 9 9
)
)