Yamaha SILENT Piano YU11SD 서비스 매뉴얼 - 페이지 8
{카테고리_이름} Yamaha SILENT Piano YU11SD에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Yamaha SILENT Piano YU11SD 49 페이지.
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SILENT SD SERIES
2-6
AM Circuit Board (Time required: About 3 minutes)
2-6-1 Remove the switch box front panel. (See procedure A-2-1)
2-6-2 Remove the switch box upper case. (See procedure A-2-2)
2-6-3 Remove the screw marked [51GA] and two (2)
screws marked [122G]. The switch box PCB chassis
can then be removed together with the DM circuit
board and DC-IN circuit board. (Fig. A-4)
2-6-4 Remove the two (2) hexagonal nuts marked [B],
two (2) hexagonal nuts marked [112G], and three
(3) screws marked [111G]. The AM circuit board
can then be removed. (Fig. A-5)
（照光シーソーSW）
[51GA]: Bind Head Tapping Screw-S (Sタイト＋BIND) 3.0X6 MFZN2B3 (WE877800)
[121G]: Bind Head Tapping Screw-S (Sタイト＋BIND) 3.0X6 MFZN2B3 (WE877800)
[122G]: Bind Head Tapping Screw-S (Sタイト＋BIND) 3.0X6 MFZN2B3 (WE877800)
[131G]: Bind Head Tapping Screw-S (Sタイト＋BIND) 3.0X6 MFZN2B3 (WE877800)
[111G]: Bind Head Tapping Screw-S (Sタイト＋BIND) 3.0X6 MFZN2B3 (WE877800)
[112G]: Hexagonal Nut (ナット 特殊) M12X14X2 P=1.0 (WF559900)
8
[122G]
Switch box PCB chassis
（SB基板シャーシ）
Seesaw switch
Hook
（ツメ）
[111G]
[B]
[112G]
AM シート（所要時間: 約 3 分）
2-6
2-6-1
SB 前パネルを外します。 （A-2-1 項参照）
2-6-2
SB 上ケースを外します。 （A-2-2 項参照）
2-6-3
[51GA]のネジ 1 本と[122G]のネジ 2 本を外して、
DMシートと DC-INシートと共にSB 基板シャーシ
を外します。 （図 A-4）
2-6-4
[B]の六角ナット 2 個と[112G]の六角ナット 2 個、
[111G]のネジ3本を外して、 AMシートを外します。
（図 A-5）
[131G]
[121G]
DC-IN
DM
Fig. A-4（図A-4）
[111G]
AM
[111G]
Fig. A-5（図A-5）
[131G]
[121G]
Connector assembly-SW
（SW束線）
[51GA]