Pn4 Circuit Board; Fd1 Circuit Board; Fd2 Circuit Board; Ds Circuit Board - Yamaha DM2000 Service Manual

25.

PN4 Circuit Board

(Time required: About 15 minutes)
25-1. Remove the SP2000. (See procedure 1.)
25-2. Remove the MB2000. (See procedure 2.)
25-3. Remove the knob wheel and the hexagonal nut from
the control panel side. (Fig.9, Photo.8)
25-4. Fasten the control panel assembly. (See procedure 3.)
25-5. Remove the eight (8) screws marked [150E]. The
PN4 circuit board can then be removed. (Fig.11)
26.

FD1 Circuit Board

(Time required: About 20 minutes)
26-1. Remove the SP2000. (See procedure 1.)
26-2. Remove the MB2000. (See procedure 2.)
26-3. Remove the sixteen (16) fader knobs marked [320A]
from the control panel side. (Fig.9)
26-4. Fasten the control panel assembly. (See procedure 3.)
26-5. Remove the sixteen (16) screws marked [230A]. The
FD1 circuit board can then be removed. (Fig.10)
27.

FD2 Circuit Board

(Time required: About 20 minutes)
27-1. Remove the SP2000. (See procedure 1.)
27-2. Remove the MB2000. (See procedure 2.)
27-3. Remove the nine (9) fader knobs marked [320B] from
the control panel side. (Fig.9)
27-4. Fasten the control panel assembly. (See procedure 3.)
27-5. Remove the ten (10) screws marked [230B]. The
FD2 circuit board can then be removed. (Fig.10)
28.

DS Circuit Board

(Time required: About 15 minutes)
28-1. Remove the SP2000. (See procedure 1.)
28-2. Remove the MB2000. (See procedure 2.)
28-3. Fasten the control panel assembly. (See procedure 3.)
28-4. Remove the two (2) screws marked [270B]. The DS
circuit board can then be removed with the smart
media escutcheon and the smart media angle
bracket. (Fig.10)
28-5. Remove the two (2) screws marked [265]. The smart
media escutcheon and the smart media angle
bracket can then be removed from the DS circuit
board. (Fig.10)
29. Display Tube A and B (1/2, 2/2)
(Time required: About 15 minutes each)
29-1. Remove the SP2000. (See procedure 1.)
29-2. Remove the MB2000. (See procedure 2.)
29-3. Fasten the control panel assembly. (See procedure 3.)
29-4. Display Tube A:
Remove the four (4) screws marked [180A]. The
display tube A can then be removed. (Fig.11)
29-5. Display Tube B (1/2):
Remove the four (4) screws marked [180B]. The
display tube B (1/2) can then be removed. (Fig.11)
DM2000
51