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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Reinstall the metal ensonq board shield if present. You must remove this sheet before powering on the unit. Make sure that the eight display lens retainers are in the proper position and that the lens is clean.

If the message does not appear and the main board has been pre- viously hard re-initialized, this indicates a main board problem. Test for memory retention as described in the SQ80 test procedure steps 1 and 2 on page Power up, test the unit, and close the front panel.

ENSONIQ SQ-80 User Manual

Reconnect the three wires to the filter, again noting the proper polarity. Verify that the sequence is retained. The SQ80 is essentially a computer with over 80K of memory. If the ribbon cable is mis-pinned, fuses F3 and F4 will be blown. Remove the six seres that fasten the metal main board shield of present to the case and keyboard frame. Once the rear of the keyboard has cleared the control panel mounting tabs, the keyboard can be removed from the keyboard cavity.

Test the unit and then close the front panel. Insert the new keyboard rear first into the unit at the front of the keyboard cavity.

ENSONIQ SQ-80 Manuals

Making note of the proper polarity, remove the keyboard ribbon cable from the old keyboard and install it on the new one.


There should be no voltage across the power switch. 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 ,anual onto the screw directly across from the opening in the shield.

Connect the keyboard ribbon cable to the main board. Failure usually indicates a main board or volume slider problem. Remove the two screws and nuts that secure the filter to the case. Do not tighten the screws any further.

Immediately place defective drive in the anti-static bag that the new drive came in. Transporting a unit Some of the units may be shipped with a protective plastic yellow sheet inserted in the disk drive. Power up, re-initialize the system and tune the filters.

XX indicates the main operating system version, YYY indicates the keyboard operating system. Pressing various front panel buttons will cause the display to print characters, underscore characters, clear the screen, etc. Three button presses in any order are needed to tell the SQ80 what to select. Return the unit to an upright position. When the glue sets, the screws will hold the sub-assembly tightly in place. Reattach the disk drive cables.

Carefully turn the unit right side up. If the unit does not have shields, do not add them.

Place the unit upside down on a soft surface and remove the ten screws that attach the keyboard to the case. Press the down arrow key. 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 program and sequencer memory are erased during re-initialization, so all data must be manal before starting this procedure.


The new drive is distinguished by a red LED drive light. Note that these connectors are keyed and have connector locks. Plug the SQ80 in and turn it on. Slide the new disk drive into place and mount it using the four screws and star washers. If the memory does get scrambled, it will be necessary to re-initialize the system.

Ensoniq Corporation – SQ – Owner’s Manual

Before replacing the power supply board, first make sure that the insulator pad is in place. Remove the seven nuts from the rear panel jacks marked Sustain Ft. Reconnect the wire harness to the case. Install the new line filter from the outside of the case. 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.

Unlike the JU, however, there is a door over the drive opening. When you are swapping a main board, it is important to complete the replacement with an identical board.

Try level sq80 the two. Yes, it is ok to use high-density disks instead. We recom- mend that a good quality tape deck with variable output manusl be used, and that levels be set at 0 dB for best results. This is due to the fact that the pin out on the Sony drive is reversed from that of the Panasonic. What diskett es to use It is very important to use double-sided, double-density 3.