The SA-40 is also known as the "magical sound dial" the ONLY Casio with this dial. The keyboard unmodded is not very exiting, and VERY crippled. Casio left off ONE major button that gives 8X more sounds than before! The idiots!!! Add a button from the left side of R124 to the left side of R111. Select a voice normally, then press the button....each press will be a new sound, up to 7-9. 3-5 more presses give NO sound at all, but will cycle up to the next instrument eventually. Sometimes a note will 'hang' when selected, press 4 notes to clear it. Sounds include all the samples used (footsteps,dog,cat,train) and some NICE instruments. Some settings have a split keyboard, or the highest or lowest notes do not work or sounds distorted. Some ignore the dial, just repeat, or does odd stuff...nice!
It also glitches well through the clock input. Basically, if you can get one cheap, it IS worth it, if you mod it first!
Add a button from the left side of R124 to the left side of R111. Select a voice normally, then press the button....each press will be a new sound, up to 7-9. 3-5 more presses give NO sound at all, but will cycle up to the next instrument eventually. Sometimes a note will 'hang' when selected, press 4 notes to clear it. Sounds include all the samples used (footsteps,dog,cat,train) and some NICE instruments. Some settings have a split keyboard, or the highest or lowest notes do not work or sounds distorted. Some ignore the dial, just repeat, or does odd stuff...nice!
It also glitches well through the clock input. Basically, if you can get one cheap, it IS worth it, if you mod it first!
i shorted the 2 pins you explained, but my sa started playing its melodies. i also tried the other resistors but there were no new sounds. sorry, but where is the clock input?
Sorry for the long wait....we moved....I'm sorry the mod did not work for you-it may be a different board revision or something. The clock input is usually easy to spot, it is a 2 or 3 pin metal can or an orange or blue square right near the processor chip;2 traces go from it, right to the chip.. It can be replaced with another one, I got my SK-60 to record extra long with it 4x lower value...all sounds are 2 octaves down!! I will be posting a vid on youtube on the SA-40 soon, and show my button connections...
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