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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If the unit comes in with a blank display, but is in self- test mode i. Cables When 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; When re-initializing, the forty factory sounds will automati- calle be loaded into memory. Remove the six seres that fasten the metal main board shield of present to the case and keyboard frame.

Raise the control panel and discon- manyal the keyboard ribbon cable J3 from the main board, paying partic- ular attention to its polarity. If a ground wire is present, you must feed the spade lug end of the ground wire through the opening in the mteal main board shield and install it onto the screw directly across from the opening in the shield. Memory Backup Test a Select the sequence that was created above.

Eailure to hear the metronome indicates a main board problem. Remove the two screws and nuts that secure the filter to the case. To prevent them from falling maunal when the board is removed, make sure the control panel is open all the way. Pressing various front panel buttons will cause the display to print characters, underscore characters, clear the screen, etc.


Reinstall the metal main board shield if present. The latest software versions are 1.

If the unit now enters the self-test mode, this indicates a main board or keyboard problem. See 880 7; Important things to know about the SQ80 – The keyboard.

Remove the two screws and star washers that attach the metal plate to the bottom of the disk drive. Verify that the sequence is retained.

ENSONIQ SQ-80 User Manual

View the discussion thread. Place the unit upside down on a soft surface. Press the down arrow key.

Slide the new disk drive into place and mount it using the four screws and star washers. When you are swapping a main board, it is important to complete the replacement with an identical board. 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. Carefully slide the disk drive out of the wheel assembly. You should check these before trouble-shooting the rest of the unit.

Also, what might appear to be a bad keyboard display stuck at calibration page might instead be caused by scrambled RAM in which case the memory needs to be dumped. There should only enxoniq sound coming from the right channel ennsoniq adjusting the pan setting should have no effect. Reattach the wheel assembly to the case using the four screws.


Like the classic ESQ-1, the SQ functions in providing analog-type 4-pole lowpass filtering and editing of digital waveforms. Replace the four seres that attach the metal main board shield if present to the keyboard bottom shield.

Use a tyrap to keep the ferrite bead as close to the power supply connector Jl as possible. Turn the unit upside down on a soft esoniq and replace the ten screws that secure the keyboard in the case. Remove the four screws that fasten the control panel and raise it see page 11; Important things to know about the SQ80 – Lid inserts.

The pattern-based 8-track multitimbral sequencer is great for creating short to complex sequences live, or in step time with quantization, bounce-able tracks, 60 sequence patterns and 20 songs.

If the message does not appear and the main board has been pre- viously hard re-initialized, this eq a main eensoniq problem. Remove all cables connected to the SQ80, including the power cable.


Polyphony – 8 voices. If a metal main board shield is present, remove the six screws that fasten it to the case and keyboard frame. Carefully turn the unit right side up.

Manuao the three wires to the filter, again noting the proper polarity.