Yamaha AvantGard N3 Maintenance Handbook page 17

3-2 Rotate the music rest 90 degrees and remove it.
Tip contour on
stay assembly
WARNING: Applying too much force while rotating it at
this time may cause the hinge to break.
4. Sound Board Assembly
4-1 Remove the four (4) screws marked [78C] and two (2) screws marked [93].
4-2 Raise up the sound board assembly, and remove the connector (CN202)
for the YDA3 circuit board.
YDA3
5. Middle Board
Remove the left/right screws [88B] (one each), and remove the middle board towards you.
[88B]
* The DM circuit board is now accessible for servicing, etc.
<Top view>
[93] SOUND BOARD
<Front view>
[78C]
* The following is another way for removing the music rest.
Shift the stay assembly as shown in the fi gure below from
the music rest guide to remove the music rest.
Front
side
MUSIC REST
[78C]
[78C]
Middle board Middle board
Slide outwards towards yourself and remove.
DM
Back
side
HINGE
[93]
CN202
YDA3
N3
[88B]
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