Yamaha YCL-622II Посібник користувача - Сторінка 11

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Troubleshooting

The tone is not clear, or the instrument

plays out of tune.

If pads are deformed and air is leaking from

the instrument, take the instrument to your

dealer for repair.

➞ Never apply excessive pressure to the keys.

Also, when placing the instrument in the

case, make sure that nothing is placed on

top of the instrument.

If the body cracks, take the instrument to

your dealer for repair.

➞ Sudden changes in temperature or humidity

can cause cracking. Do not directly expose

the instrument to hot or cold air.

The keys are stiff. The keys do not

move.

If a spring has become dislodged, returning

it to its proper position may correct the

problem.

➞ When hooking the spring in position, be

careful not to bend the spring. Springs may

become dislodged when performing main-

tenance on the instrument or when wiping

the instrument with a cloth. Please use cau-

tion.

If keys are bent, take the instrument to

your dealer for repair.

➞ Do not apply excessive force to the instru-

ment such as dropping the instrument, clos-

ing the case when an object is placed on top

of the instrument, etc. Also, when you are

finished playing, place the instrument in the

case. At this time, make sure that there is

nothing in the case that will apply pressure

on the keys. When assembling the instru-

ment, be careful not to apply unnecessary

pressure to the keys. Hold on to the instru-

ment in the intervals between performance

and during breaks between practice.

The joint is too tight or loose.

If the joint is tight, apply a small amount

of cork grease to the joint cork. If the joint

is still tight, apply some cork grease to the

receiver side as well.

➞ Changes in temperature and/or humidity

can cause the cork to shrink or expand

which can make the joints tight in the sum-

mer and loose in the winter. After you are

finished playing, make sure you store the

instrument in its case, rather than leave it

out.

If the joint cork is torn, take the instru-

ment to your dealer for repair.

➞ Proper application of cork grease offers

some protection against tearing of the cork.

However, if the cork becomes torn, take the

instrument to your dealer for repair.

The keys are noisy.

Apply key oil if the keys lack oil and are

dry, and tighten screws that have become

loose.

➞ Apply key oil once a month (1-2 drops per

location) to prevent abrasion. Also, since

woodwind instruments have many small

screws, check for loose screws and tighten if

necessary.

The cork or felt on the keys has fallen off or

torn. The instrument may have received a

shock causing the keys to come in contact

with the body or other keys. In this case,

take the instrument to your dealer for re-

pair.

➞ Take proper care of the instrument to pre-

vent the corks or felts from falling off. After

playing the instrument keep the instrument

in its case. Also, hold on to the instrument

in the intervals between performance and

during breaks between practice to prevent

excessive pressure being placed on the in-

strument or keys.