Circuit bent casio pt 1 user manual

Casio mt28 this is a casio pt 100 variant with rompack, key lighting and each 12 preset sounds and rhythms. Works off of 5 aabatteriesnot included in this auction this model is ideal for circuit bending. I suppose the casio sa8 is barely above a toy no jack out, no midi, tiny basic keyboard, limited sound, but i circuit bent mine. I couldnt find any pt 82 schematics or service manuals but it isnt a very complicated circuit and with a scope it was quite easy to find these signals. Vintage casio pt 87 keyboard synthesizer from the late 1980s.

Assorted switches contacts and other bend components 1 for the control panel. As a result of this, it has been the subject of much circuit bending throughout the years. Analogue dubsiren, it is a joint venture between us here at spacecat audio technologies and john w. Mt36 which demo tune is also called unterlanders heimweh in the manual. The mods include a full pitch mod with the use of a ti 74ls624 voltage controlled oscillator.

Ive recently started reading soundonsound again after a hiatus of a few years. Casio rom packs, yamaha playcards and other keyboard media. As the video shows i am working with a vtech music major. Casio vltone 1 in 1981 casio made the vltone 1 vl 1, a small, monophonic synthesizer with builtin calculator. This is an engineered modification which works on most of the casio sa series sa 1, sa5, sa7, sa8 etc. The units are hand made and assembled here in the uk. A cheaper variant of the sa 1 with only 16 sounds 4 cipher buttons, white sa 1 case was released as casio pk 1. After the video ends i get to work and cut all the wires, flip the board, and then using alligator clips i reattached all the wires. The most difficult part is find the connection on the mother board and soldering it. The casio sk 1 keyboard is fairly wellknown in the circuit bending scene, where its simple internals lend themselves to modifications and tweaks to adjust the devices output in all sorts. Vintage casio pt100 keyboard synthesizer circuit bending. Here i give a quick and quite amateurish i am not a good keyboard player by any means. There will be an amplifier chip no an8053 common across the sa series and a mask programmed cpu which will be made by oki and have the part no m6387xx where xx is the variant for the specific keyboard it is installed in, in the case of the sa5 it is m638716.

Its keyboard is 2 1 2 octaves, not velocity, aftertouch or midi or cvgate. Jack out, volume knob, reset button, internal speaker onoff, power led, 6v power in. This is me venturing into the world of circuit bending for the first time. Here you see the casio pt1 and below it my original vltone 1 from 1981. Digital synthesizer 57 pages synthesizer casio ctk651 user manual 34 pages. A dark grey version of this instrument was released as casio pt31. Casio vl1 operation manual english only originally sourced from. We used 4 toggle switches, 1 potentiometer, 1 photometer, 2 doorknobs for body contacts, along with a pushbutton momentary change to reset the unit. Save casio pt 82 to get email alerts and updates on your ebay feed. Casio sk 1 gate input and individual outs with all the groundwork laid out the previous time, twas time to actually start making things more. Manual play or trigger control, the demo shows a roland tr606 triggering the synth clave.

Casio sk 1 is basically 8bit based and all the sounds that you can make bending it are a kind of 8 bit based sounds that are tweaked connecting in unusual way the main board of the keyboard. Upper 1 part tone and upper 2 part tone you want to use. I saw this pt82 in a local charity shop thrift store for those in the us and. The casio sk 1 is a small sampling keyboard made by casio in 1985. It can play songs from casio rom packs it takes 5 aa batteries or a 7. Assorted switches contacts along with other bend components 1 for that user interface. The process of bending is one of trial and error, carefully avoiding risking the health of both the bender and his target. We are focused on providing you the best level of service possible during this difficult time and will do our best to provide you the reliable service you have come to expect from us. Its a website by frans samshuijzen with detailed descriptions of some mods that he did to a set of casio sk 1 keyboards appropriately titled. It is also worth noting that a 555 timer circuit would theoretically do the same thing, except. Casio pt1 1988 electronic musical instruments portable cult keyboard toy from the eighties with analog sounds and lofi kit. This is a guide for those wanting to build a cheap, fun and. Find great deals on ebay for casio pt and casio pt 20.

Ive noticed that the 5th connections one works for the lower end of the keyboard only, one for the upper part only. Circuit bent casio pt1 keyboard by freeform delusion. Blue led pitch updown control distortionfeedback control switchable bass tone feedback control two way toggle switch for heavy noise or. Here is my circuit bent casio sa8 with a bunch of extra controls etc. Thank you very much for purchasing this casio electronic cash register. There is also an advanced pitch control circuit with a builtin bypass switch and body contact for manual pitch adjustment. Circuit bending sound modulator on a casio pt1 youtube. I cracked up a casio pt 100 played the demo and messed around with some of the bends i found. Circuit bent casio sa8 vintage synth explorer forums. From what i can tell, circuit bending casio pt10 may not be the most. The manual organ chord mode plays a sort of thin metal pipe organ rank timbre. Circuit bent casio pt 1 keyboard by freeform delusion duration. Casio pt 87 german owners manual instructions new keyboard not pt mt ct sk vl.

By fixing a casio pt 1 keyboard grillbit on 08 mar 2011 at 12. Once you have mastered the quick start operations, you will undoubtedly want to expand your use of this machine by studying other sections of part 2. Casio skseries keyboard 1 we used an sk5, but they are all ideal for bending. I have upgraded pretty much every part and aspect of my previous mk i mod plus i have done what no other sk 1 benders on ebay do. Unfortunately it completely lacks the accompaniment and manual chord of the latter, and also the great electronic percussion sounds here thinner and way less spectacular.

Circuit bent casio sk1 gets an arduino brain hackaday. Sound generation main cpu nec d1867g manages 1 monophonic sound which generation is based on a generated pulse waves with different widths and octaves. Diabolical circuit bent casio sk 1 custom modular see more. Wav format sk 1 sounds series for emu samplers info how to midi up a sk 1 synth museums page vintage synths page sonic states page yahoo sk group fan page bending circuit bent instruments, midi mods awesome circuit bending collection crazed circuit bender. Casio pt 1 keyboard synthesizer the casio pt 1 is is believed to be a smaller version of the. The direct successor of this hardware class had the same sound and rhythm set like sa 1, but 5. The pt 100 model is a highly sought after model because of all the modifications you can make to it. To start with it was little more than a toy keyboard tiny keys, no jack out, no midi, limited sounds. Casio sk1 video out bending, simple way, casio, circuit, how. Circuit benders usually are not electronics experts, nor do they have service and repair manuals for the devices to be bent. Keyboard toy keyboard with 31 miniminitiny keys and main panel features. Midsize key variants of the sa 1 with 4 notes polyphony were the casio sa10 sa11 with 1 speaker and casio sa20 with 2 speakers. A homemade circuit bending sound modulator with a casio pt 1 like the sound source.

List of controls is from memory, so may contain minor errors. The pt 87 model is a highly sought after model because of all the modifications you can make to it. Casio casiotone mt68 keyboard operation manual owners. Due to the covid19 pandemic you may experience delays in parts orders and repairs. This is my first post and i am new to circuit bending.

Musician and score composer michael andrews featured a circuit bent sk1. Circuit bending refers back to the procedure for creative shortcircuiting through which standard audio electronics are significantly modified to create unique experimental instruments. Circuit bending is the creative, chancebased customization of the circuits within electronic devices such as lowvoltage, batterypowered guitar effects, childrens toys and digital synthesizers to create new musical or visual instruments and sound generators. As a result of this, it has been the subject of much circuit bending. The casio sk1 is a small sampling keyboard made by casio in 1985.

Casio skseries keyboard 1 we used an sk5, but theyre all great for bending. We used 4 toggle switches, 1 potentiometer, 1 photometer, 2 doorknobs for body contacts, and a pushbutton momentary switch to reset the device. Vintage casio pt 100 keyboard synthesizer from the late 1980s. Casio pt 87 casiotone keyboard owners user s operation manual, original casio. Do not plug the keyboard into the mains when the case is open. It is all original and not modified or circuit bent in any. It has 32 small sized piano keys, fournote polyphony, with a sampling bit depth of 8 bit pcm and a sample rate of 9. View and download casio pt 80 operation manual online. Part 1 of this users ma nual can help you make a quick start. Other sk keyboard, bending and casio links sounds all the sk 1 percussion sounds in.