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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Search the history of nanual billion web pages on the Internet. Full text of ” Ensoniq: So I decided to re-print this manual.
The following information details these differences. For this reason, when necessary, you will be swapping it out as a while unit. Display information to the Main Board is processed through the keyboard so snsoniq might appear to be a frozen display could instead be a bad keyboard.
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. For more detailed debugging hints, see the flow chart on page 12 and hardware notes on page Be sure to have the serial number of the unit ready when ordering a replacement keyboard. Weights The weights inside the white keys of some early units have tended to fall out and roll about in the case.
ENSONIQ SQ-80 Manuals
If that happens, simply glue the weight back into the key with super glue gel. Cables When reconnection the keyboard cable to the Main Board, make sure that the red line on the cable is on pin 1 and that ensohiq cable is not mis-pinned. If the cable is mis-pinned or backwards, fuses F3 and F4 will blow and cause the display to come up blank.
Note that if either fuse ensoiq, you will need to replace both fuses, as one will blow the other. Shields If the keyboard you are replacing has a keyboard shield on the bottom see figure for location and the replacement keyboard does not, remove 5 6 CHAPTER 1.
Ensoniq SQ | Sound Programming
For more detailed instructions see Appendix C. XX indicates the main operating system version, YYY manuao the keyboard operating system. Units with serial numbers less than may have a keyboard operating system version lower than The latest software versions are 1.
This is due to ensonq fact that the pin out on the Sony drive is reversed from that of the Panasonic. It is therefore important to note the serial number of the unit and to have this information handy when ordering a replacement drive.
When possible, ebsoniq an identical replacement drive. This will avoid you having to replace the cable as well. The new drive is distinguished by a red LED drive light. Unlike the JU, however, there is a door over the drive opening.
This allows the use of both Sony and Panasonic disk drives.
ENSONIQ SQ USER MANUAL Pdf Download.
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. For more details on replacing the disk drive, see Appendix J. Transporting a unit Some of the units may be shipped with a protective plastic yellow sheet inserted in the disk drive. You must remove this sheet before powering on the unit. There is a printed label covering the disk drive on every new unit shipped.
This label contains important information concerning the care of the SQ80 disk drive and lists recommendations regarding the treatment of the drive during transport. To reiterate; It is not, under any circumstances, recommended to insert of an actual disk during transport nor is it recommended to use a cardboard disk sheet in place of plastic ones.
Transport the unit only with either a plastic sheet in the drive or nothing in the drive at all. Please do not ship an SQ80 or replacement disk drive in a box packed with peanuts. If you must, wrap the entire unit in plastic first.
These peanuts may cause severe damage to the disk drive, keyboard, or cartridge port. What diskett es to use It is very important to use double-sided, double-density 3. The SQ80 writes information to every track on a disk, so it is imperative that the disk be of superior quality and certified for double- sided use. Yes, it is ok to use high-density disks instead. When a disk is formatted, the SQ80 reads and writes every track on that disk.
If the formatting attempt fails, it is likely that the disk itself is faulty. Always try formatting another blank disk before determining that the disk drive is faulty. Unlike many computer systems, the SQ80 does not automatically discard bad sector.
The entire disk must be good for successful formatting. The disk drive shield You will find that there is a metal plate located on the bottom of the disk drive see figure. The eneoniq of this plate is ensonq keep the pin rippon cable from interfering with the disk drive motor. When replacing the disk drive, it is important to transfer this metal plate to the new drive.
This plate must be installed to ensure proper operation of the drive. This ferrite bead should be added to any earlier unit that seems to have a problem with memory loss. See Appendix K for more details on how to install this ferrite bead. When you are swapping a main board, it is important to complete the replacement with an identical board. If a unit has shields, make sure to put them back in.
If the unit does not have shields, do not add them. Shields The main board shield and the keyboard shield are shown in figure. In some units, these shields are attached using tinnerman clips with the screws. Be aware that these clips may fall off when disassembling a unit. Ground wires On some earlier units, a ground wire was attached to the ground square on the main board, which in manyal was attached to the metal main board shield. This wire ensured a good ground in the event that the main board ground screw hole was stripped.
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 it onto the screw directly across from the opening in the shield. Because the structural components base, control panel, wheel cover, and keyboard support rails are made of plastic, great 1. Avoid over-tightening screws in the plastic case when execnting any repair procednre!
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 sq-0 the case or control panel. To keep this from happening, follow these procedures; 1. Install the screw, tightening only until the sub-assembly being attached is snug against the case. Do not tighten the screws any further.
When the glue sets, the screws will hold the sub-assembly tightly in place. Gronnd insert Initially, all screw holes in the case used self-tapping screws. Later, a brass insert was added to the main board ground boss and the ground wire from the main board was eliminated.
Mabual sure to use a machine screw when a brass insert is present.
Lid inserts Brass inserts were also added to the lid holes to prevent stripping of these holes. Be sure to use machine screws in those units where brass inserts are present. Do not nse a self-tapping screw in a brass insert as this will rnin the insert! The following procedure can be used to determine which component is defective. With majual 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.
Pins 19 and 17 are the uppermost two of the right tow of pins on J3. Power the SQ80 on. If the sign-on message appears, this indicates that the keyboard is at fault. If the message does not appear and the main board has been pre- viously hard re-initialized, this indicates a main board problem.
In the event that it becomes necessary to re-initialize the memory during repair it is highly recommended that the internal manul both programs and sequences of the unit to be saved to disk before servicing. The SQ80 is essentially a computer with over 80K of memory. It is pos- sible for the SQ80 to become confused if bad data is loaded into its memory. This can result from loading data off of a bad disk or not clearing out the system memory after a MIDI SysEx transfer.
If the memory does get scrambled, it will be necessary to re-initialize the system. For this reason, periodic backing up of all program and sequence data and re-initialization is recommended. You should check these before trouble-shooting the rest of the unit. Check to make sure that all the connections are secure and correct.
Plug the SQ80 in and turn it on. After the SQ80 has warmed up for five minutes, begin to test the voltages at the points shown in figures 2. If the voltages vary outside the allowable limits, follow the procedure described under Testing the Power Supply Unloaded, before replacing it. There should be no manuzl across the power switch. 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.
In this case you should test the power supply unloaded before proceeding. To do so, follow this procedure; Turn the unit off and remove the three connectors on esoniq right side of the power supply, leaving only the connector from the transformer attached.
Volt- ages should read as in the chart above. In this mode, the display remains blank until you press the buttons on the front panel. Pressing various front panel buttons will cause the display to print characters, underscore characters, clear the screen, etc.
The following chart details how the front panel buttons are mapped in self-test mode; Press Display reads Seq 9. Cart A Down arrow Continued on next page