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Yamaha DSR112 Service Manual page 23

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3.
LED Circuit Board
(Time required: About 2 minutes)
3-1.
Remove the metal grille assembly. (See procedure 1)
3-2.
Remove the two (2) screws marked [280]. The LED panel
assembly can then be removed. (Fig. 3)
3-3.
Remove the two (2) screws marked [270c]. The LED
circuit board and the LED panel sub assembly can then be
separated. (Fig. 3)
LED panel assembly
(LED パネル Ass'y)
[40]
LED circuit board
(LED シート)
[270c]
[280]
Speaker
(スピーカー)
[40]
3.
LED シート
(所要時間:約 2 分)
3-1.
メタルグリル Ass'y を外します。 (1 項参照)
3-2.
[280]のネジ 2 本を外して、LED パネル Ass'y を外し
ます。 (図 3)
3-3.
[270c]のネジ 2 本を外して、LED シートと LED サ
ブパネル Ass'y を別けます。 (図 3)
Upper side
Check the direction
(上下方向を確認のこと)
Fig. 3
(図 3)
DSR112/DSR115/DSR215/DSR118W
[100]
[100]
Amp assembly
(アンプ Ass'y)
23

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