Yamaha AvantGard N3 Bakım El Kitabı - Sayfa 23

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11. Bottom unit section (access to main circuit board)

11-1 Remove the Wo Grill (L, R).

Remove the key bed bottom screws [S05A], [S05B]

(two each).

Pull out the outer side towards you while holding down

the inner side of the Wo grill and remove the fastening

tape, then remove the Wo grill.

Wo Grill L

11-2 Remove the center board assembly.

Remove the four front panel screws [S03], and remove the

center board assembly.

* The main circuit board is now accessible. (See lower drawing)

MAD

(1)

MAD

(2)

[S09F] x 4

SPEAKER (WOOFER)

Wo Grill R

[S06A]

[S09A]

[S09B]

[S09C]

WO GRILL L

[S05A]

[S03]

CENTER BOARD

[S09G] x 4

MAD

(3)

[S09D]

x 8

DCDC

YDA3

(1)

DCDC

x 4

(2)

ACDC

YDD

x 4

WO GRILL R

[S05B]

[S09H] x 4 [S09H] x 4

MAD

(4)

(5)

DIP switch

[S06A]

x 4

[S09D]

x 4

[S09E]

x 4

SPEAKER (WOOFER)

[S03]