Yamaha EMX3000 Service Manual page 15

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3. PWR1 Circuit Board (Manhour requirement: 30 min.)
3-1. Remove the panel assembly and the bottom
assembly. (See Procedure 1.)
3-2. Remove the four (4) screws marked [B130] and
remove the PWR1 circuit board together with the
isolation sheet. (Fig. 3)
3-3. Remove the twenty-eight (28) screws marked
[B60]and four (4) screws marked [B50]. The PWR1
circuit board can then be separated from the isolation
sheet. (Fig. 3)
4. DSP Circuit Board (Manhour requirement: 10 min.)
4-1. Remove the panel assembly and the bottom
assembly. (See Procedure 1.)
4-2. Remove each PCB support at four (4) locations. The
DSP circuit board can then be removed. (Fig. 3)
5. PWR2 3/3 Circuit Board (Manhour requirement:
10 min.)
5-1 Remove the panel assembly and the bottom
assembly. (See Procedure 1.)
5-2. Remove the one (1) screw marked [B75] and the
electrolytic capacitor holder. The PWR2 3/3 circuit
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board can then be removed. (Fig. 3)
6. DC fan (Manhour requirement: 10 min.)
6-1. Remove the panel assembly and the bottom .
assembly. (See Procedure 1.)
6-2. Remove the two (2) screws marked [B100]. The DC
fan can then be removed. (Fig. 3)
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[P50]
[P50]
[P70]
MAIN
[P40]
[P70] [P40]
[P40]: Flat Head Tapping Screw-B 3.0 X 25 MFZN2BL (VV095300)
[P50]: Bonding Screw-B 3.0 X 8 MFZN2BL (VN413300)
[P70]: Bind Head Tapping Screw-B 3.0 X 6 MFZN2BL (EP600230)
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8
[P70]
[P50]
[P40]
[P70] [P40]
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[P70]
[P40]
[P40]
[P70]
[P70]
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EMX3000
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