I wanted to give a shout out to the ten apps that are new to me this year that I really liked. Here's a short video with an overview of the repair of a LA60 and it's final testing after the repair was completed.Trying to do something a bit different at the end of 2015. Since the same panel was used on all NuTone Chimes, with somewhat different overlays for the button operations, replacements can be salvaged from other chimes models. These panels are no longer made and finding replacement can be difficult. The metal bubble under the decorative overlay tends to go flat, which then interrupts the use of adjoining bubble and the keyboard stops working. The problem with these panels is that they loose their "bubble". The tactile "bubble" switch panel was made by Texas Instruments and was most often seen used with inexpensive pocket calculators. The 'key-board' used in most NuTone Programmable Electronic Chimes, including the LA60 and LA61 is another source of trouble for these chimes. These encoders tend to become problematic over time and finding replacements can be difficult. The LA60 has a 9-volt backup battery which keeps the programmed code in Z105 safe in case of a power outage.Īnother common problem is Z106 (red arrow), which is the keyboard encoder IC. When you program you own music into the LA60, Z105 stores the programmed code for you tune. The heart of the LA60 is Z105, the Microprocessor (blue arrow) that contains the preprogrammed tunes that are built into the chime. The LA60 is a single circuit board design that featured some reasonably advanced electronics for its day. That's what happened to this LA60, one day it worked fine, the next day it didn't. Sometimes the failure is more dramatic and without any warning the chime just stops working. Over time the little hum will become louder and louder and finally one day, the chime won't ring. Eventually something will fail, usually the failure is a long slow process that begins with just a little hum that you hear from the chime all of the time. When a device like an electronic chime is powered up on a continuous basis for 25 years, it will accumulate 220,000 hours of time on its electronic circuits. The common failure points for all NuTone Electronic Chimes are the power supply circuits and the tactile membrane key-pads. This NuTone LA60 Concerto suffered from a common problem, after 25 years it simply stopped working. With NuTone's advanced electronics at your fingertips, it's easy as 1, 2, 3 for the musically-inclined to compose an original tune. You select any one you wish to play simply by pressing four keys. Like your school songs!ġ6 different tunes are preprogrammed in the Concerto. Using any standard musical score you can program Concerto to play any melody (up to 36 notes) that has a special meaning for you. plus six note-lengths, from 1/8 notes to whole notes. It plays any tune for which you have music, 16 fixed tunes or any tune you care to compose!Ĭoncerto's computerized musical key-board gives you two octaves of 24 notes including sharps and flats. with a charming talent for announcing your callers in more exciting, innovative ways than ever before! NuTone's beautiful Concerto is virtually a musical instrument. whenever someone comes to your front door! The fabulous Concerto - plays any tune you can whistle, sing or hum!
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