Yamaha AO8-DA8 Service Manual download pdf (Page 12)

[30]: Bind Head Tapping Screw-B 3.0x6 MFZN2BL (EP600230)

[50]: Bind Head Tapping Screw-B 3.0x6 MFZN2BL (EP600230)

[70]: Bind Head Tapping Screw-B 3.0x6 MFZN2BL (EP600230)

Fig. 4

[200]: Bind Head Tapping Screw-B A4.0x8 MFZN2BL (VC688800)

[260]: Bind Head Tapping Screw-B A4.0x8 MFZN2BL (VC688800)

[450]: Oval Head Screw 4.0x8 MFZN2BL (VS153600)

Fig. 5

MB1

[30]

[50]

[70]

[450]

[260]

Mount bracket Side panel assembly

Side panel L

IFC3

• Mother Assembly <Left Side View>

[450]

[200]

Mount bracket

AO8

7. MB1 Circuit Board

7-1 Remove the mother assembly. (See Procedure 6.)

7-2 Remove the nine (9) screws marked [30] and the five (5)

screws marked [50]. The MB1 circuit board can then be

removed. (Fig. 4)

8. IFC3 Circuit Board

8-1 Remove the mother assembly. (See Procedure 6.)

8-2 Remove the six (6) screws marked [70]. The IFC3 circuit

board can then be removed. (Fig. 4)

9. Side Panel Assembly

9-1 Remove the UNC card assembly. (See Procedure 1.)

9-2 Remove the front panel assembly. (See Procedure 2.)

9-3 Remove the top panel. (See Procedure 4-3.)

9-4 Remove the mother assembly. (See Procedure 6.)

9-5 Remove the six (6) screws marked [450]. Each mount

bracket can then be removed. (Fig. 5)

9-6 Remove the seven (7) screws marked [200]. The side

panel (L) can then be removed.

9-7 Remove the three (3) screws marked [170] and the five (5)

screws marked [180]. The upper chassis can then be

removed. (Fig. 2, Fig. 3)

9-8 Remove the seven (7) screws marked [260]. The side

panel assembly can then be removed. (Fig. 5)

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Yamaha AO8-DA8 Service Manual Page 12

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