Heat Sink; Pc Support; Haad 2/2 Circuit Board; Haad 1/2 Circuit Board - Yamaha DM1000 Service Manual

DM1000/MB1000/SP1000
19.

Heat Sink

(Time required: About 8 minutes)
19-1. Remove the SP1000. (See procedure 1.)
19-2. Remove the MB1000. (See procedure 2.)
19-3. Fasten the control panel assembly. (See procedure 3.)
19-4. Remove the two (2) screws marked [70A]. (Fig.2)
19-5. Remove the four (4) screws marked [240A]. The heat
sink and the insulation sheet can then be removed.
(Fig.6, Photo.11)
20.

PC Support

(Time required: About 10 minutes)
20-1. Remove the SP1000. (See procedure 1.)
20-2. Remove the MB1000. (See procedure 2.)
20-3. Fasten the control panel assembly. (See procedure 3.)
20-4. Remove the four (4) screws marked [180] and the
eighteen (18) knobs. The PC support and the HAAD
2/2 circuit board can then be removed. (Fig.6,
Photo.12)
The shield fingers attached at the headphone
jack position are attached to the PC support
with double-sided electroconductive tape that
has already been pasted on the part. When
replacing the shield fingers, always replace the
entire part. Please be aware that ordinary
(non-electroconductive) two-sided tape will
not provide adequate performance. (Photo.12)
21.

HAAD 2/2 Circuit Board

(Time required: About 11 minutes)
21-1. Remove the SP1000. (See procedure 1.)
21-2. Remove the MB1000. (See procedure 2.)
21-3. Fasten the control panel assembly. (See procedure 3.)
21-4. Remove the PC support. (See procedure 20.)
21-5. Remove the screw marked [190] and the hexagonal
nut marked [200]. The HAAD 2/2 circuit board can
then be removed. (Fig.6, Photo.12)
22.

HAAD 1/2 Circuit Board

(Time required: About 13 minutes)
22-1. Remove the SP1000. (See procedure 1.)
22-2. Remove the MB1000. (See procedure 2.)
22-3. Fasten the control panel assembly. (See procedure 3.)
22-4. Remove the heat sink. (See procedure 19.)
22-5. Remove the PC support. (See procedure 20.)
22-6. Remove the eight (8) screws marked [60C]. The
HAAD 1/2 circuit board can then be removed. (Fig.7)
22-7. Remove the eighteen (18) spacers and the button
assemblies from the HAAD 1/2 circuit board.
(Photo.13)
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