View and Download ENSONIQ SQ user manual online. cross wave. SQ Synthesizer pdf manual download. Ensoniq SQ Pdf User Manuals. View online or download Ensoniq SQ User Manual. 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.

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Remove the metal shields from the unit. Reinstall the power supply seres and lock washers and be sure to connect the ground wire from the line filter.

Reconnect the two cables, paying particular attention to the alignment of pins and connectors. When possible, install an identical replacement drive. Reinstall the knobs on the data entry and volume sliders. Remove the disk drive and place it into the new assembly as described in Appendix J. We recom- mend that a good quality tape deck with variable output control be used, and that levels be set at 0 dB for best results. Reinstall the keyboard and enaoniq shield see Appendix C.

Close the front panel.

See Tape Tips, Hardware Notes page Failure indicates a main board problem or a poly-pressure keyboard prob- lem. This plate must be installed to ensure proper operation of the drive. 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.

If you must, wrap the entire unit in plastic first. This label contains important information concerning the care of the SQ80 disk drive and lists recommendations regarding the treatment of the drive during transport.


Verify that the sequence is retained. So I decided to re-print this manual. Keypad Test a After pressing Internal, press each soft-button to verify that the appropriate program name gets underlined. There should only be sound coming from the right channel.

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 Remove the metal shielding from the unit.

ENSONIQ SQ-80 Manuals

Ensoiq configuration eensoniq 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. Re-Initialization of Unit The following procedure is not a normal part of the test, and should only be performed in the event that the software becomes scrambled or if indicated as part of another procedure in this manual.

Remove the ten screws that attach the keyboard to the case. Reinstall the metal main board shield if present. 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 ennsoniq the line filter end. There should only be sound coming from the left channel. Disconnect pin connectors Jl, J2, J3 and J4 from the power supply board.

Do not tighten the screws any further. There should be no voltage across the power switch. Sq-0 the new line filter from the outside of the case. To reassemble, first make sure that the Insulator and all the buttons are in place. If no level shows on the tape deck meters, check your connections and level settings. If the voltages vary outside the allowable limits, follow the procedure described under Testing the Power Supply Unloaded, before replacing it. Sound Test a Select your favourite patch with velocity and pressure sensitivity and play.


Generally, the correct ennsoniq level will fall in between the levels which yield the above messages.

Full text of “Ensoniq: Ensoniq SQ80 Service Manual”

ensoniw The SQ80 should be connected in stereo to a sound system. Lots of treble boost or cut will distort the pulse waveforms on the tape.

Three button presses in any order are needed to tell the SQ80 what to select. Before installing the new circuit board, make sure the cardboard insulator is in place. This work-around just changes the order in which the three buttons are pressed.

Make sure the disk drive ribbon cable is not caught underneath the keayboard standoff. Disconnect the two cables from the disk drive, paying particular attention to polarity.

For more detailed debugging hints, see the flow chart on page 12 and hardware notes on page If a metal main board shield is present, remove the six screws that fasten it to the case and keyboard frame. Remove the metal shield from the unit. Power up, test the unit, and close the front panel. If the sign-on message appears, this indicates that the keyboard is at fault.

Failure indicates a main board problem.


Be sure that the cable lies beneath the keayboard and is not pinched under the keyboard frame. Carefully slide the disk drive out of the wheel assembly. It is much more likely that the tape level is not set properly.