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Instrument Repair

Questions about how to maintain and repair your instrument belong here.

225 Questions

How do you repair membrane buttons on a Yamaha DX7 Keyboard?

To repair membrane buttons on a Yamaha DX7 keyboard, first, open the keyboard casing carefully to access the circuit board. Inspect the membrane for any visible damage or wear, and use a clean, soft cloth to wipe it down. If the contacts are dirty or oxidized, you can clean them with isopropyl alcohol and a cotton swab. For more severe damage, consider replacing the entire membrane switch assembly with a compatible part.

What is the emergency shutdown?

An emergency shutdown is a critical safety procedure used to quickly cease operations in a facility or system to prevent accidents, injuries, or environmental damage. It can be triggered manually by operators or automatically through safety systems in response to hazardous conditions. This process ensures that equipment, processes, or machinery are securely halted, minimizing risks and protecting personnel and assets. Emergency shutdowns are essential in industries like oil and gas, manufacturing, and nuclear power, where the potential for dangerous situations exists.

Identify three composers that have used Ground Bass?

Three composers known for using ground bass are Johann Sebastian Bach, whose "Passacaglia and Fugue in C minor" features a recurring bass line; Henry Purcell, famous for his "Dido's Lament," which utilizes a ground bass in the aria; and Antonio Vivaldi, who includes ground bass techniques in several of his concertos. These composers effectively employed this technique to create emotional depth and structural cohesion in their works.

Is violin repair service taxable in NJ?

In New Jersey, repair services for musical instruments, including violins, are generally subject to sales tax. According to New Jersey tax regulations, services that repair or maintain tangible personal property are taxable. However, there are certain exemptions that may apply, so it's advisable for service providers or customers to consult with a tax professional or the New Jersey Division of Taxation for specific guidance.

How does a Johanson's Mikrokator work?

A Johanson's Mikrokator is a precision measuring instrument used for gauging small distances and displacements. It operates based on the principle of a differential screw mechanism, allowing for fine adjustments and high accuracy in measurement. The instrument features a scale and a dial indicator that translates minute movements into readable measurements, often used in machining and metrology applications. This enables users to obtain precise readings of displacements down to fractions of a millimeter.

What is the value of a schafer and sons SA5520 electric organ?

The value of a Schafer and Sons SA5520 electric organ typically ranges from $200 to $600, depending on its condition, age, and market demand. Factors such as included accessories, original documentation, and local demand can also affect the price. For a more accurate valuation, it's advisable to check recent sales on platforms like eBay or consult a musical instrument appraiser.

How do you calibrate a proscale?

To calibrate a proscale, first ensure it's on a stable, flat surface and is powered on. Use calibration weights that match the scale's specifications, typically found in the user manual. Place the first weight on the scale and wait for it to stabilize, then press the calibration button (often labeled as "CAL" or similar). Follow any on-screen prompts to complete the calibration process, repeating for additional weights if required by the scale.

Where can you find Vox parts?

You can find Vox parts at various online retailers, such as Sweetwater, Guitar Center, and Thomann. Additionally, specialized music stores and repair shops may carry Vox components. For specific parts, consider checking the official Vox website or authorized dealers. Online marketplaces like eBay can also be a source for used or hard-to-find Vox parts.

If you have not tuned your piano for five years how much will a repair cost?

The cost to repair a piano that hasn't been tuned for five years can vary widely, typically ranging from $100 to $300 for a standard tuning. If the piano requires additional repairs, such as fixing sticky keys or addressing more significant issues, the total cost could increase significantly. It's best to consult a professional piano technician for an accurate estimate based on the instrument's condition. Regular maintenance can help prevent higher repair costs in the long run.

Where can you find a tailpiece for a Vox Cougar Bass Guitar?

You can find a tailpiece for a Vox Cougar Bass Guitar at various online retailers specializing in guitar parts, such as eBay, Reverb, or Amazon. Additionally, checking with vintage guitar shops or forums dedicated to Vox instruments may yield leads on where to purchase one. If you're looking for a specific part, contacting Vox directly or exploring custom parts manufacturers might also be helpful.

4 Write the application of instrument transformer?

Instrument transformers, such as current transformers (CTs) and voltage transformers (VTs), are primarily used in electrical power systems to step down high currents and voltages to manageable levels for measurement and protection purposes. They enable accurate monitoring of electrical parameters, ensuring safe operation of equipment and systems. Additionally, they isolate measuring instruments from high voltage circuits, enhancing safety for both equipment and personnel. These transformers are essential for applications in metering, relay protection, and monitoring in substations and industrial settings.

Can you Form a word from the letter e b g d f?

Yes, you can form the word "bed" using the letters e, b, and d. Although not all letters are used, "bed" is a valid word. Unfortunately, there are no other standard English words that can be formed using all the provided letters.

Where can I find Wurlitzer 4410 organ amplifier 7020 schematics?

You can find Wurlitzer 4410 organ amplifier 7020 schematics through various online resources, such as vintage electronic forums, specialized music equipment websites, and platforms like eBay or Reverb, where sellers may offer manuals. Additionally, websites like the Vintage Synth Explorer or the DIYAudio forum may have user-contributed schematics. Lastly, checking with local music repair shops or vintage instrument dealers could also yield helpful resources.

How do you get a pencil out of a trombone?

To remove a pencil from a trombone, you will need a cleaning rod with a soft cloth or brush attached to the end. Carefully insert the cleaning rod into the bell of the trombone, ensuring not to damage the instrument. Gently push the pencil towards the bell of the trombone until it can be safely removed. It is important to handle the instrument with care to avoid any damage.

How do you make fish glue?

You can buy it a a bait shop or you can make your own.

Here how:

a)

1: Buy some dead fish and shrimp

2: Smash them up and mix them up with flour

3: Now you put it into the refregirater until use

(good for catfish)

b)

1: Buy some worm and crickit

2. Turn the crickit in a paste like stuff

3. Put the worm into the crickit paste and mix (BUT DO NOT MIX TO HARD BECAUSE YOU WANT HE WORM TO BE ALIVE); (DON'T REFIGERATE & USE RIGHT AWAY IN ABOUT 6 HOUR).

hope that help!!

Why does your guitar amp hum when you plug in guitar?

It could be a number of things, but fluorescent lighting in or near the room will cause what's called a "60Hz hum." If this is the case you could try to reverse the polarity on the 'Mains Plug'. i.e the AC mains leading to the step down transformer. Alternatively confirm the same by switching off circuits (Tubelights, television etc) one at a time, to see if this hum stops. Particularly if the hum stops when you switch of the television - have the TV repaired fopr faulty filter capacitor. If the hum is caused by earthing or neighbouring tubelights check the shield of the amplifier.The shield is supposed to be grounded to effectively eliminate the electric fields surrounding the same. If it's more like a buzzing sound, there may be a loose connection in either jack (the guitar's or the amp's) or the patch cable itself; there might be a poor solder somewhere; or you might just be picking up interference from a nearby electronic device. If it's really noticeable, you might consider taking the amplifier to a local repair shop and having them take a look at it. It could also be a poor ground, which will require re-wiring of the outlet or possibly the entire electrical system in that area of the building. Try plugging the amp into different outlets and see if the hum subsides; if it doesn't, it's likely an issue with the amp or the guitar themselves.

How do I fix stuck piano keys?

Good question. If it is stuck because you spilled water or something on it, turn it upside down and let it dry out. That usually works for me, but this time two keys remained stuck, and it was only water. The rest of the keys recovered.

A diagram of a bassoon?

Well, the flute is the highest instrument in the band. it can reach really high piches. it takes a lot of air to get a sound out of it. (i know, i play one). your mouth muscles have to be strong. your fingers have to move fast. there are many fun things you can do like sing while you play, you can do a thing called flutter toungue, and you can do both at the same time.

hi, this is another person... just wanted to say, this answer above^^, is mostly wrong. I am a first chair flute and a first chair picciloist. A piccilo is a smaller flute and is said to be an octive higher than a flute. I am in high school, Junior Year, and I know a lot about the flute. I take private lessons from a woman who has been in county bands, area bands, high school bands, orchestras, played during plays, solos in important concerts and much much more. SO, again, I know more than people do in my grade. Also, I just wanted to say, you cannot sing while playing the flute. It is physically impossible unless you stop playing and sing then play again. The flute IS NOT the highest instrument in the band. Piccilo is. So, then again, the person above, was wrong. is CAN reach high pitches when you really pinch your lips and push your bottom lip forward. your fingers do not have to move fast unless you want to play a song fast or just want to trill (*trill- move from one note to a note above it fast... if you use letters, it would be ababababababababab fast*). The flutter tongue is npt something you do. It may be a "nick-name" to the person above^but it is not what it's really called. It's really called, DOUBLE TOUNGING. hope THIS helps. =D have fun!!

Another person again, but the first answer was mainly right actually, apart from the piccolo part- that is the highest instrument, although a lot of the time it's not really seen as an instrument in its own right. You can sing and play the flute at the same time- very strange technique and I've never seen it in written music but i learnt to do it a few years ago- its more like humming to be honest- obviously you can't sing words, but you can sing a note through a flute and play a different note and get a chord which is quite nice. Being able to play fast is a definite advantage, as in orchestras, flutes tend to get very fiddly parts, but of course there's lots of slow music for flute aswell. Finally, flutter tonguing is very different to double tonguing- double tonguing is just like making a "tuhkuh" sound through the flute, and helps you to play very fast staccato sections, whereas flutter tonguing is like rolling your r's, although i can flutter tongue but not roll my r's, as i have a strange but very effective technique for it. But anyway, some new stuff, the flute has a range from middle c, to the fsharp 3 and a half octaves above- although written music that goes this high is fairly rare, and fingerings for the top half octave are relatively hard to find. It requires a huge amount of air to play, second only to the tuba, as only a quarter of the amount of air you breathe actually goes through it........ ohhh, and just tried this out, you can sing and flutter tongue at the same time and it sounds amazing! ^^thanks for the tip first answerer!

How much does a Jupiter Capital Edition Trumpet cost?

The value of trumpets varies widely based on brand, type, and model. Prices can be anywhere from $200 to $5,000.

How to fix a wet guitar?

the answer to this question depends on what kind of guitar it is and how much water was on it, but i can say that most guitars are destroyed by little amounts of water or humidity, because it causes the wood in the guitar to swell

How do you fix paint that has run?

Unfortunately, you have to sand off the run then paint it again. Depending on the paint type, you should use emery paper and keep it wet while you sand.

How do you increase fat on face?

Increase the fat in your whole body... some will go to your face.

How do you hold a bassoon?

You play bassoon with your fingers, all of them, except for your right hand's ring finger. You blow into the bassoon through the reed, and you move your fingers to make the note change.

To make different notes that are not slurred (like above), you pulse your tongue back and forth against the reed.

Also, be sure to take long and deep breaths so that you can make a very full sound.

You play with all of your fingers including your right hand ring finger.

What are the slide positions for the G flat major scale?

31431312 and then back down
Going up: 3rd E flat, 1st F, 4th G, 3rd A flat, 1st B flat, 3rd C, 1st D, 3rd E flat. To go back down, you would just play the notes in opposite order (i.e. E flat, D, C, etc.).

How much would maintenance for a violin cost?

There is very little maintenance needed for a violin: IF it is in good condition when you purchase, and IF it is taken care of as to storage and everyday handlling. Strings do not have to be replaced that often if you use high quality.

how clumsy are you? i mean i dont remember dropping my violin, i polish it after i use it, expensive (you dont need to but its better) rosin regularly. methylated spirits or something ive heard are good for cleaning if its really dirty but dont use it often. if you leave rosin dust on the strings and body then it can be absorbed and reduce the sound quality. but really it depends on how much youre bothered about your violin. if its cheap, fairly temporary and used for lower grades then does it really matter but if it cost thousands id be very careful!

Most strings should be changed once every 6 months depending on how much you play. If you make sure you wipe off excess rosin from strings and body of violin you will not need to polish it/clean it. Also i find tipping a bit of UNCOOKED rice into the f holes then turning them round and tipping them out again gets a lot of the dust out from inside your violin. YOu'd be surprised how much is in there.

You can clean your violin as well.

To clean the body of the instrument, you can use a soft cloth and a cleaner like pledge.

To clean the strings and the fingerboard you can use rubbing alcohol but be very very careful not to get this on the body of your instrument as it can damage it. Q-tips are usually best for this.

if you wipe your violin with a soft cloth before you put it away everytime it will help cut down on the build up you experience as well.

If you take care of your violin, the cost wouldn't be that much, maybe around $50-$60 for new strings and rosin. If you damage your violin though, it can cost way more. Depending on where the damage is and how extensive it is, the cost to repair it can vary.