Yamaha DG60FX-112, Руководство по обслуживанию

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DG60FX-112
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7. DM, MAIN circuit boards (1/8, 2/8, 4/8, 5/8, 6/8,
7/8), heat sink
7-1. Remove the pre main unit. (See Procedure 4.)
7-2. Remove the panel. (See Step 6-2.)
7-3. Remove the four (4) hexagonal nuts marked [140]
and four (4) screws marked [50A]. The MAIN circuit
board (2/8) can then be removed. (Fig. 4)
7-4. Remove the five (5) screws marked [50B] and the
three (3) screws marked [55] from the rear panel.
The DM circuit board can then be removed. (Fig. 4)
7-5. Remove the four (4) screws marked [50C]. The MAIN
circuit board (1/8) can then be removed. (Fig. 4)
7-6. Remove the four (4) screws marked [130]. The MAIN
circuit boards (4/8, 5/8, 6/8, 7/8) can then be
removed. (Fig. 4)
7-7. Remove the four (4) screws marked [110A]. The heat
sink can then be removed. (Fig. 4)
Fig.3
[50]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)
[110]: Bind Head Tapping Screw-C A4.0X8 MFZN2BL (VC688900)
[210]: Hexagonal Nut 9.0 12X2 MFNI33 (LX200060)
[220]: Flat Washer 9X14 0.5 FNM3 (VL802300)
[110]
4/8 7/8 6/8 5/8
1/8
[110]
[210]
[220] [290] [310] [290] [290]
MAIN 3/8
FRONT (PN1/2)
[50]
MAIN MAIN MAIN MAIN
MAIN
DM