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I just purchased a Lowrey organ MX-2 NT-400X. Have the

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following problem. The F key...
I just purchased a Lowrey organ MX-2 NT-400X. Have the following problem. The F key above middle C on the upper manual plays intermitten and chords on the lower will hold on at times after letting up on the chord. Other then that it is in good condition. Thanks for your input... Duane Campbell***@******.***> Phone(###) ###-####
Submitted: 2 years ago.Category: Electronic Musical Instruments
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Answered in 4 hours by:
2/29/2016
Electronic Musical Instrument Expert: ITPeter, Electronics Engineer replied 2 years ago
ITPeter
ITPeter, Electronics Engineer
Category: Electronic Musical Instruments
Satisfied Customers: 20,619
Experience: Over 16 years' experience in installing and repairing electronics.
Verified

Hi Duane,

There may be a problem with the electronic contacts under the keys - perhaps something has been spilt on the keyboard at some stage in its history, or dust has accumulated on the electronic contacts under the keys and is causing them to stick or not make good contact.

Either way, the organ will need to be stripped down and the electronic contacts under the keys will need to be cleaned with electronic contact cleaner or by wiping with a cloth soaked in alcohol solution.

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Electronic Musical Instrument Expert: Russell H., Service Tech replied 2 years ago
Russell H.
Russell H., Service Tech
Category: Electronic Musical Instruments
Satisfied Customers: 12,951
Experience: 8+ years of professional experience
Verified

Allow me to also suggest, before such disassembly and cleaning, you might try some compressed air (not spray, just air, dry air - from a can, there is often condensation in 'canned air'... so air from a compressor might be best) blown in between the keys, esp. the keys that have problems.

Sometimes it helps.

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