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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Be sure to use machine screws in those units where brass inserts are present.

Tape both halves in place with electrical tape, then use the supplied heat sw-80 tubing to secure proper insulation. Shields The main board shield and the keyboard shield are shown in figure.


There should only be sound coming from the right channel. If the unit now enters the self-test mode, this indicates a main board or keyboard problem.

This will avoid you having to replace the cable enssoniq 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.

ENSONIQ SQ-80 User Manual

Units with serial numbers less than may have a keyboard operating system version lower than Install the metal shield over the main board of present and replace the six seres that fasten it to the case and keyboard frame. The program and sequencer memory are erased during re-initialization, so all data must be saved before starting this procedure. Do not nse a self-tapping screw in a brass insert as this will rnin the insert!

This configuration is 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. For more detailed debugging hints, see the flow chart on page 12 and hardware notes on page Remove the two seres and nuts that secure the power supply to the case. Reinstall the metal main board shield if present. Filter Tune a While holding the Record button, press the Filter button.


The following procedure can be used to determine which component is defective. Lots of treble boost or cut will distort the pulse waveforms on the tape. Check the software version level by holding down Record and pressing Master. The following information details these differences.

The following chart details how the front panel buttons are mapped in self-test mode; Press Display reads Seq 9. Generally, the correct input level will fall in between the levels which yield the above messages.

Making note of the proper polarity, remove the keyboard ribbon cable from the old keyboard and install it on the new one. If ensonniq unit comes in with a blank display, but is in self- test mode i. Remove the four seres and star washers that attach the disk sq–80 to the wheel assembly. The tempo should decrease. The disk drive shield You will find that there is a metal plate located on the bottom of the disk drive see figure.

There should only be sound coming from the right channel and adjusting the pan setting should have no effect. Because the structural components base, control panel, wheel cover, and keyboard support rails are made of plastic, great 1.

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

Once the rear manua the keyboard has cleared the control panel mounting tabs, the keyboard can be removed from the keyboard cavity. The function of this plate is to keep the pin rippon cable from interfering with the disk drive motor. The new drive is distinguished by a red LED drive light. Failure indicates a main board problem or a poly-pressure keyboard prob- lem.

Remove the keyboard and metal main board shield see Appendix C. This allows the use of both Sony and Panasonic disk mabual. This work-around just changes the order in which the three buttons are pressed. Check to make sure that all the connections are secure and correct.


Ensobiq reiterate; It is not, under any circumstances, recommended to insert of an actual disk during transport nor manuak it recommended to use a cardboard disk sheet in place of plastic ones.

Disconnect the two cables from the disk drive, paying particular attention to polarity. The Panasonic uses the first and second standoffs for its mounting holes counting from the front of the wheel cover and the Sony uses the first and the third.

If the sign-on message appears, this indicates that the keyboard is at fault. Gently slide the keyboard toward the rear of the unit, lowering the front of the keyboard needed to clear the control panel mounting tabs.

See Appendix K for more details on how to install this ferrite bead. Pailure to retain internal programs and sequences may require the addition of a ferrite bead see Appendix K.

Place the unit upside down on a soft surface and remove the ten screws that attach the keyboard to the case. Gronnd insert Initially, all screw holes in the case used self-tapping screws. The entire disk must be good for successful formatting. Before installing the new circuit board, make sure the cardboard insulator is in place. Disconnect the harness from the main board, from the keypad display board and from the pwoer supply.

Close the lid and turn the power on. Insert the new keyboard rear first into the unit at the front of the keyboard cavity. Verify that the sequence is retained. If manuxl memory does get scrambled, it will be necessary to re-initialize the system. Pressing various front panel buttons will cause the display to print characters, underscore characters, clear the screen, etc.

Warning; All sounds and sequences will be ensonjq in the re-initialization process.