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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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ENSONIQ SQ-80 Manuals

If you must, wrap the entire unit in plastic first. Later, a brass insert was added to the main board ground boss and the ground wire from the majual board was eliminated. If the ribbon cable is mis-pinned, fuses F3 and F4 will be blown.

Gronnd insert Initially, all screw holes in the case used self-tapping screws. Short the Zower lead of R1 to the bottom left pin pin 28 of U Sometimes these units merely require re-initialization see page 23, step Eailure to hear the metronome indicates a main board problem. There should be no voltage across the power switch.

sw-80 Pins 19 and 17 are the uppermost two of the right tow of pins on J3. Remove the keyboard from the case by gently lifting up the front of it while pulling it toward the front of the unit.


This will avoid you having to replace the cable as well.

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. Enxoniq turn the unit right side up. Reinstall the knobs on the data entry and volume sliders. Install the new line filter from the outside of the case. Connect the keyboard ribbon cable to the main board. Connect the program cartridge cable and the keyboard cable. There should only be sound coming from the left channel.

Reinstall the metal main board shield if present. Note that there are lock washers on the inside only. These peanuts may cause severe damage to the disk drive, keyboard, or cartridge port.

Ensoniq SQ Manuals

The tempo should decrease. The following information details these differences. If a metal main board shield is present, remove the six screws that fasten it 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.

For this reason, periodic backing up of all program and sequence data and re-initialization is recommended. Remove the disk drive and place it into the new assembly as described in Appendix J. To replace the line filter, first make sure that the foil shield is in place. To prevent them from falling out when the board is removed, make sure the control panel is open all the way.

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Press the down arrow key. Insert the new keyboard rear first into the unit at the front of the keyboard cavity. Reinstall the power supply seres and lock washers and be sure to connect the ground wire from the line filter.

REmove the keyboard from the case by gently lifting the front of the keyboard while pulling it toward the front of the unit. Be sure to use machine screws in those units where brass inserts are aq-80.

Transporting a unit Some of the units may be shipped with a protective plastic yellow sheet inserted in the disk drive. The entire disk must be good for successful formatting.