Yamaha YFL-B441II 소유자 매뉴얼 - 페이지 15
{카테고리_이름} Yamaha YFL-B441II에 대한 소유자 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Yamaha YFL-B441II 19 페이지. Piccolo/flute
Troubleshooting
If you notice any of the following problems, the instrument may not be working properly.
Please contact your local dealer for more information.
The tone is not clear, or the instrument plays out of tune.
• The tone reflector may be out of alignment.
• The pads and tone holes may be out of alignment or the pads may be worn.
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The keys are stiff and function poorly.
• The spring may be dislodged.
• Excessive force applied to the keys may have bent them.
• Too much or little oil may have been applied to the key mechanisms.
Attaching or removing the headjoint or footjoint is difficult.
• There may be dust or grime on the joint.
• The body may have become deformed.
• The headjoint may have been left attached to the body for a long period of time.
The keys produce noise when played.
• Felts or corks may be deformed.
• Excessive force applied to the keys may have bent them.
• The key mechanisms may be worn.
• Screws may have loosened.