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. Remove the disk drive and place it ensniq the new assembly as described in Appendix J. The function of this plate is to keep the pin rippon cable from interfering with the disk drive motor.

Sometimes these units merely require re-initialization see page 23, step Once the rear of the keyboard has cleared the control panel mounting tabs, the keyboard can be turned over.

Ensoniq SQ80 Transwave Synthesizer Manuals | House of Synth

Before replacing the power supply board, first make sure that the insulator pad is in place. Disconnect the harness from the main board, from the keypad display board and from the pwoer amnual.

Remove the Program Cartridge cable J2 from the main board. The disk drive shield You will find that there is a metal plate located on the bottom of the disk drive see figure. The sign-on message should appear.


The following procedure can be used to determine which component is defective. Reattach the wheel assembly to the sq8-0 using the four screws. Failure indicates a main board problem. Note that you should remove the pin ribbon cable from the main board at J3 instead of from the keyboard.

Carefully reconnect the three cables, paying particular attention to the alignment of pins and connectors. Remove the two seres and nuts that secure the power supply to the case. Power up, test the unit, and close the front panel. Replace the main board seres and secure the jacks with the nuts. Reconnect the three wires to the filter, again noting the proper polarity. Cut the wire ties that hold the wire harness to the chassis. Remove the seven nuts from the rear panel jacks marked Sustain Ft.

Verify that all numbers are above When replacing any of the self-tapping screws, it is possible to over-tighten the screws and strip a hole in the case, making it necessary to replace the case or control panel. Faulure indicates a main board problem or a poly-pressure keyboard prob- lem. This is due to the fact that the pin out on the Sony drive is reversed from that of the Panasonic.



Turn the unit off. Pailure to retain internal programs and sequences may require the addition of a ferrite bead see Appendix K.

Note that these connectors are keyed. Manal SQ80 should be connected in stereo to a sound system. To do so, follow this procedure; Turn the unit off and remove the three connectors on the right side of the power supply, leaving only the connector from the transformer attached.

Make sure that the eight display lens retainers are in the proper position and that the lens is clean.

Full text of “Ensoniq: Ensoniq SQ80 Service Manual”

Turn the unit over, top down, and remove the four seres that attach the wheel assembly to the case. The SQ80 is essentially a computer with over 80K of memory. To keep this from enskniq, follow these procedures; 1.

It is eensoniq more likely that the tape level is not set properly. 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.