Abstract. This document is based on the original SQ80 Service Manual, which turned out to be hard to get. I was lucky getting a copy from. The (E)SQ synthesizers aswell as Ensoniq’s first sampler (which was a great .. fail and you need to reformat it manually (see for details). View and Download ENSONIQ SQ user manual online. cross wave. SQ Synthesizer pdf manual download.

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Manuual this reason, when necessary, you will be swapping it out as a while unit. Tape both halves in place with electrical tape, then use the supplied heat shrink tubing to secure proper insulation.

Check to make sure that all the connections are secure and correct.

Raise the control panel and discon- nect the keyboard ribbon cable J3 from the main board, paying partic- ular attention to its polarity. If a unit has shields, make sure to put them back in.

I’m new to synths and just learning the Install the metal shield over the main board of present and replace the six seres that fasten it ensoniqq the case and keyboard frame. Immediately place defective drive in the anti-static bag that the new drive came in. Great for organs, analog-type sounds, pads and sound effects. Remove the four seres and star washers that attach the disk drive to the wheel assembly.

With the power off disconnect the pin keyboard cable from the main board at J3then use a clip lead to connect pins 19 and 17 of J3 together. A con- sistently dead key would indicate a keyboard problem.


Be sure that the cable lies beneath the keayboard and is not pinched under the keyboard frame. This allows the use of both Sony and Panasonic disk drives. Because the structural components base, control panel, wheel cover, and keyboard support rails are made of plastic, great 1. Always try formatting another blank disk before determining that the disk drive is faulty. Remove the disk drive and place it into the new assembly as described in Appendix J. For more details on replacing the disk drive, see Appendix J.

Weights The weights inside the white keys of some early units have tended to fall out and roll about in the case. Display Problems Units with serial numbers less than have a higher chance of having their glass fluorescent display broken during transport. Press the board down into place.

To keep this from happening, follow these procedures; 1. On bootup the display appears intact and works, sort of displaying characters that are randomly related to the menu but are Reinstall the knobs on the data entry and volume sliders. Please do not ship an SQ80 or replacement disk drive ss a box packed with peanuts. If the display is found to mnaual defective, be careful when removing it. In this case you should test the power supply unloaded before proceeding.

Reconnect the wire harness to the case.

Ensoniq SQ | Vintage Synth Explorer

Once the rear of the keyboard has cleared the control panel mounting tabs, the keyboard can be turned over. Test for memory retention as described in the SQ80 test procedure steps 1 and 2 on page As for playing the SQ, it is a dream! In this mode, the display remains blank until you press the buttons on the front panel. Power up, test the unit, and close the front panel. Attach the metal plate to the new disk drive using the two seres and star washers.


Remove the 800 supply board by pulling the front of the board toward the keyboard and then lifting it up so that the heat sink clears the case.

It is much more likely that the tape level is not set properly. See Appendix K for more details on how to install this ferrite bead.


With the board tilted on a slight angle, insert the jacks into the holes in the rear panel. Sound Test a Select your favourite patch with velocity and pressure sensitivity and play. Turn the unit upside down on a soft surface and replace the ten nesoniq that secure the keyboard in the case.

The new drive is distinguished by a red LED drive light. Transporting a unit Some of the units may be shipped with a protective plastic yellow sheet inserted in the disk drive. In some units, these shields are attached using tinnerman clips with the screws.

Remove the keyboard and metal main board shield see Appendix C.