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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The following procedure can be used to determine which component is defective. Cables Ensojiq reconnection the keyboard cable to the Main Board, make sure that the red line on the cable is on pin 1 and that the cable is not mis-pinned. Note; In some cases, a defective main board can garble the contents of the storage cartridge.

The program and sequencer memory are erased during re-initialization, so all data must be saved before starting this procedure. For more detailed debugging hints, see the flow chart on page 12 and hardware notes on page Note that these connectors are keyed. The Panasonic uses the first and second standoffs for its mounting holes counting from the front of the wheel cover and the Sony uses the first and the third.

Ensoniq SQ | Vintage Synth Explorer

Oscillators – 24 osc. Reattach the disk drive cables. Avoid over-tightening screws in the plastic case when execnting any repair procednre!


Keypad Test a After pressing Internal, press each soft-button to verify that the appropriate program name gets underlined. Turn the unit over, top down, and remove the four seres fnsoniq attach the wheel assembly to the case. Install the new line filter from the outside of the case. Power up, test the unit, and close the front panel. Remove the Program Cartridge cable J2 from the main board. Remove the six seres that fasten the metal main board shield if present to the case and mamual frame.

You should now be able to re-initialize the unit as described above.

Carefully surround the nine wires that lead from the transformer to the power supply Jl with both ferrite bead halves. The tempo should decrease. The keyboard can be split or layered. Always try formatting another blank disk before determining that the disk drive is faulty. Units with serial numbers less than may have a keyboard operating system version lower than Be sure that the cable lies beneath the keayboard and is not pinched under the keyboard frame.

There are also 5 sampled drum sets. Remove the disk drive and place it into the new assembly as described in Appendix J. Remove all cables connected to the SQ80, including the power cable.

Sound Test a Select your favourite patch with velocity and pressure sensitivity and play. This will avoid you having to replace the cable as well. Note that these connectors are keyed and have connector locks. This wire ensured a good ground in the event that the main board ground screw hole was stripped. This label contains important information concerning the care of the SQ80 disk drive and lists recommendations regarding the treatment of the drive during transport.


To do so, follow this procedure; Turn the unit off and remove the three connectors on the right side of the power supply, leaving only the connector sqq the transformer attached. Carefully slide the disk drive out of the wheel assembly. See page 7; Important things to know about the SQ80 – The keyboard.

ENSONIQ SQ-80 User Manual

Check the software version level by holding down Record and pressing Master. All RAM is erased and wnsoniq internal programs reset. This configuration is denoted by both the label on the top of the transformer and the part number silk-screened on the lower left of the power supply PC board. Manual Find patches, info and sequences for the SQ at this Ensoniq synth site.

This can result from loading data off of a bad disk or not clearing out the system memory after a MIDI SysEx transfer.

Remove the four seres and star washers that attach the disk drive to the wheel assembly. LFO – Up to 3 per voice – can route to pitch, amp, filter, pan. Note that there are lock washers on the inside only.