Log in Register. Search titles only. Search Advanced search…. New posts. Search forums. Log in. Install the app. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser. Date Casio Keyboard was Manufactured. Thread starter Sophia Start date Jun 20, Joined Jun 20, Messages 10 Reaction score 1.
Does anyone knows how you can tell when Casio had manufactured the PX based on their Serial Number. I just want to make sure I did not receive a keyboard that was sitting in warehouse for three years and does not have all the latest fixes.
He is the head of Marketing for Casio North America. Do they have firmware bug problems in old versions?
Often factories produce the entire production within few months, then trash or retool the production machines and produce something else. Thats why unexpected well selling products get sold out and stay unavailable, unless demand is such high that the company decides to orders another batch.
In real life that reissue is often a modified "successor", that may have only subtle software or case colour changes to suggest to be "new". But many keyboards also have their manufacturing date marked as numbers or paper stickers on the PCB or embossed into the inside of the plastic case.
In plastic cases beside normal date stamps there are often number tables with dots in rows and columns. Here you see the most common type of this table that was used in later Casio keyboards. But also odd concentrical patterns exist, those resemble the hands of one or multiple clock faces and can be badly confusing. With Casio keyboards each table row stands for a year and each of the 12 columns for a month, but every table contains a lot of dots instead of only one. I first thought that these indicate the manufacturing and assembly dates of multiple components inside that particular keyboard specimen, but this makes not much sense because they are often spread among multiple years.
Thus my theory how the dots come into being is the following: The manufacturer engraves a new dot into the tooling mould on the first day of every new month in that the mould is used to cast plastic cases. This way the last dot in a table indicates the month of the year in that this particular keyboard case was produced, while the others mark all previous months in those keyboard cases were made by the same mould.
Thus the first dot indicates when the mould was used first time, which is often identical with the time when the keyboard model went into production. However because tooling moulds are extremely expensive devices, they tend to be re-used later and sometimes modified in between for manufacturing the cases of different keyboard models in the same mould, which makes the situation a bit ambiguous.
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