Yamaha AvantGard N3 Maintenance Handbook - Page 21

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2-4

Remove the top board (F).

Remove the left/right screws [S091] (one each) and slide the top board (F) to the rear, lift and remove.

TOP BOARD (F)

3. SP Box

3-1

Remove the SP box connector.

Remove the connectors (3 locations each on left &

right) on the rear of the SP box.

* After removing the connectors, secure them with

cable bands so as not to interfere with servicing

tasks.

The photo of connectors

3-2

Remove the SP box.

Remove the four screws [S06E] and the four screws

[S07] in the ﬁ gure on the right and remove the SP box.

4. Front Top Rail

Remove the right/left screws [S09J] (one each), and lift and remove while pressing to the rear side above the front top rail.

[S09J]

5. Key Block

Remove the two left/right screws [S08], and remove the key block.

[S08]

[S09I]

[S09J]

[S09I]

[S07]

[S06E]

SP BOX

FRONT TOP RAIL

[S07]

[S06E]

[S08]