Ac Shield Plate; Power Transformer; Ac Circuit Board; Ac Inlet Assembly - Yamaha DM1000 Service Manual

DM1000/MB1000/SP1000
13.

AC Shield Plate

(Time required: About 10 minutes)
13-1. Remove the SP1000. (See procedure 1.)
13-2. Remove the MB1000. (See procedure 2.)
13-3. Fasten the control panel assembly. (See procedure 3.)
13-4. Fasten the rear assembly U. (See procedure 4-4.)
13-5. Remove the heat sink and the DCAIC angle. (See
procedure 12-7.)
13-6. Remove the four (4) screws marked [285]. The AC
shield plate can then be removed. (Fig.4)
14.

Power Transformer

(Time required: About 11 minutes)
14-1. Remove the SP1000. (See procedure 1.)
14-2. Remove the MB1000. (See procedure 2.)
14-3. Fasten the control panel assembly. (See procedure 3.)
14-4. Remove the rear assembly U. (See procedure 4-5.)
14-5. Remove the AC shield plate. (See procedure 13.)
14-6. Remove the four (4) screws marked [60B]. The power
transformer can then be removed. (Fig.4)
15.

AC Circuit Board

(Time required: About 11 minutes)
15-1. Remove the SP1000. (See procedure 1.)
15-2. Remove the MB1000. (See procedure 2.)
15-3. Fasten the control panel assembly. (See procedure 3.)
15-4. Fasten the rear assembly U. (See procedure 4-4.)
15-5. Remove the AC shield plate. (See procedure 13.)
15-6. Remove the cord holder marked [265] fastened the
AC circuit board and the ferrite core.(Photo.8)
15-7. Remove the two (2) screws marked [255] and the
screw marked [290A]. The AC circuit board can then
be removed from the two (2) locking card spacers.
(Photo.8)
The power switch knob is not part of the AC
circuit board. When you replace the AC circuit
board, you should remove the power switch
knob from the AC circuit board, and install in
the new AC circuit board. (Photo.9)
16.

AC Inlet Assembly

(Time required: About 11 minutes)
16-1. Remove the SP1000. (See procedure 1.)
16-2. Remove the MB1000. (See procedure 2.)
16-3. Fasten the control panel assembly. (See procedure 3.)
16-4. Fasten the rear assembly U. (See procedure 4-4.)
16-5. Remove the AC shield plate. (See procedure 13.)
16-6. Remove the two (2) screws marked [280] and the
screw marked [290B]. The AC inlet assembly can
then be removed. (Fig.4, Photo.10)
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