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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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 from the transformer attached.

For this reason, when necessary, you will be swapping it out as a while unit. Immediately place defective drive in the anti-static bag that the new drive came in.

LFO – Up to 3 per voice – can route to pitch, amp, ensniq, pan. Remove the three wire tabs connected to the back of the filter, paying particular attention to polarity. Enxoniq the screw, tightening only until the sub-assembly being attached is enskniq against the case. Turn the unit over, top down, and remove the four seres that attach the wheel assembly to the case.

Turn the right side up. The entire disk must be good for successful formatting. Its note keyboard is full, responsive and has polyphonic aftertouch. When you are swapping a main board, it is important to complete the replacement with an identical board. Search the history of over billion web pages on the Internet. The tempo should increase. Connect the program cartridge cable and the keyboard cable. Remove the metal shields from the unit.


If the unit comes in with a blank display, but mamual in self- test mode i. Disconnect the cables from the disk drive, paying particular attention to polarity. The SQ80 is essentially a computer with over 80K of memory.

SQ 80 Ensoniq SERVICE MANUAL | SynthXL – Service & Repair Manual

The new drive is distinguished by a red LED drive light. The following information details these differences. If certain buttons do not function properly during normal SQ80 operation, test them while the unit is in self-test mode.

Place the unit upside down on a soft surface and remove the ten screws that attach the keyboard to the case. The SQ80 is heavily software dependent, and certain events can cause the unit to glitch and contract a severe case of amnesia. If a unit has shields, make sure to put them back in. This ferrite bead should be added to any earlier unit that seems to have a problem with memory loss.

Ensoniq Corporation – SQ – Owner’s Manual

When possible, install an identical replacement drive. The keyboard should be replaced. In this case you should test the power supply unloaded before proceeding. Make sure the power is off! Turn the unit off. Install the metal shield over the main board of present and replace the six seres that fasten it to the case and keyboard frame. Turn the unit upside down on a soft surface and replace the ten screws that secure the keyboard in the case.


Turn the unit off and turn it upside down on a soft surface to replace the ten screws that secure the keyboard to the case. Carefully lift the wheel assembly out of the case.

Check all cartridge banks and pages for correct name data. If all the readings are off, then it is most likely that there is a problem with the main board.

ENSONIQ SQ-80 User Manual

eq Check the software version level by holding down Record and pressing Master. Connect the keyboard ribbon cable to the main board. Disconnect pin connectors Jl, J2, J3 and J4 from the power supply board.

The keyboard can be split or layered. See Tape Tips, Hardware Notes page