Disassembling The Mb1000; Pn Circuit Board - Yamaha DM1000 Service Manual

DM1000/MB1000/SP1000

Disassembling the MB1000

28. Rear Panel
(Time required: About 3 minutes)
28-1. Remove the MB1000. (See procedure 2.)
28-2. Remove the sixteen (16) screws marked [40C]. The
rear panel can then be removed from the front panel.
(Fig.10)
29.

PN Circuit Board

(Time required: About 4 minutes)
29-1. Remove the MB1000. (See procedure 2.)
29-2. Remove the rear panel. (See procedure 28.)
29-3. Remove the six (6) screws marked [50]. The PN
circuit board can then be removed. (Photo.19)
30. MAIN Circuit Board
(Time required: About 4 minutes)
30-1. Remove the MB1000. (See procedure 2.)
30-2. Remove the rear panel. (See procedure 28.)
30-3. Remove the six (6) screws marked [70B]. The MAIN
circuit board can then be removed. (Photo.19)
31. DSUB Cable
(Time required: About 4 minutes)
31-1. Remove the MB1000. (See procedure 2.)
31-2. Remove the rear panel. (See procedure 28.)
31-3. Remove the screw marked [70C]. The cable holder
can then be removed. (Photo.19)
31-4. Remove the bushing from the rear panel. (Photo.20)
31-5. Remove the DSUB cable and the bushing from the
rear panel. (Photo.19)
The bushing is not part of the DSUB cable.
When you replace the DSUB cable, you should
remove the bushing from the cable, and attach
in the new cable.
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