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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This will avoid you having to replace the cable as well. This plate must be installed to ensure proper operation of the drive. Test the unit and then close the front panel.

ENSONIQ SQ-80 User Manual

If the voltages vary outside the allowable limits, follow the procedure described under Testing the Power Supply Unloaded, before replacing it. The foil shield should make contact with the bottom of the new line filter.

It is therefore important to note the serial number of the unit and to have this information handy when ordering a replacement drive. Failure indicates a main board problem or a poly-pressure keyboard prob- lem.


If this happens, reload it from a known-good SQ80 by copying the data from a good cartridge over the garbled data. Note; In some cases, a defective main board can garble the contents of the storage cartridge.

With the board tilted on a slight angle, insert the jacks into the holes in the rear panel. View the discussion thread. Date Produced – – For more detailed instructions see Appendix C. It is pos- sible for the SQ80 to become confused if bad data is loaded into its memory. If the main board is at fault, try re-initializing the unit as outlined in step 14 of the SQ80 test procedure page 23, also see flow chart on page If you must, wrap the entire unit in plastic first. Great for organs, analog-type sounds, pads and sound effects.

Disconnect pin connectors Jl, J2, J3 and J4 from the power supply board. The standoffs are intended only for support and should not be stuck down to the case.

Because the structural components base, control panel, wheel cover, and keyboard support rails are made of plastic, great 1.

Ensoniq SQ | Vintage Synth Explorer

See Appendix K for more details on how to install this ferrite bead. Reinstall the metal main board shield if present. Be aware that these clips may fall off when disassembling a unit.


Polyphony – 8 voices. Reinstall the keyboard and metal shield see Appendix C. Full text of ” Ensoniq: Volt- ages should read as in the chart above. Save any important data before re-initializing. Press the down arrow key. Yes, it is ok to use high-density manuxl instead.

There are also 5 sampled drum sets. This ferrite bead should be added to any earlier unit that seems to have a problem with memory loss. Memory Backup Test a Select the sequence that was created above.

Note that there are lock washers on each screw and a ground wire leading from the line filter to the center screw remove this wire from the line filter end. Appendix A Replacing the Main Board 1.