Syntaur's Sam Mims created sounds for Ensoniq keyboards for decades, and was a beta tester and factory sound programmer for many of those keyboards. His renowned expertise is coupled with a knack for explaining the technical side of things in a fun, understandable style. Get the inside scoop on what makes your sampler tick, learn what's not covered in the manuals, pick up a multitude of sound design tricks, learn how to optimize your sampler for live performance or studio tracking, learn how to master your SCSI setup, and much, much more. Simply put, this book will greatly increase your skills at making music with your sampler! How to sneak in an extra part when your sequencer tracks are all used How to save a damaged floppy disk

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This banner text can have markup. Search the history of over billion web pages on the Internet. Keyboard and Rack Similarities. The Disk Ehive. Operating System O. High Retention Force Connectors. Power Up. Load in Sounds. Disk Check. Sound Check. Mono Output and Headphone Test. Footswitch Test. Analog Test Page. Sampling Test. ESP Effects Test 1. ESP Effects Test 2. Disk Version 1.

Rather than diagnose and exchange individual components, you will replace complete modules. We feel that this is the most time and cost effective method of repair, both for you and your customers.

This will prevent a faulty option from complicating your troubleshooting. Disk b. Communications Test Board d. However, there are physical differences that will require you to specify which unit you are ordering parts for. The disk drive is the same for both units. These two expanders are options for the Keyboard unit. For more troubleshooting hints, see Communications Path on pp. When reconnecting this cable to the Main Board, make sure that the striped side is aligned with pin 1 and that the cable is not mis-pinned.

If the cable is mis-pinned or installed backward, fuses F3 and F4 on the power supply board will blow. NOTE: If one fuse blows, the other will also blow; you must replace both. When installing the keyboard assembly back into the EPS PLUS, be sure that the keyboard assembly cable is flat under the keyboard assembly and that the ferrite bead is not trapped on top of the main board.

This label contains important information concerning the care of the EPS PLUS Disk Drive and lists recommendations regarding the treatment of the drive during transport. We do not, under any circumstances, recommend the insertion of an actual disk during transport.

Transport the unit only with nothing in the drive at all. If you must, wrap the entire unit in plastic first. These peanuts may cause severe damage to the Disk Drive or Keyboard assembly. What disks to use It is very important to use double-sided, double-density 3. The EPS PLUS 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.

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. The entire disk must be good for successful formatting. The O. You cannot copy the O. Attempts to do so will result in an error message. To update O. If you need to save any sounds or sequences, press CancebNo and save the data before proceeding.

If you want to copy the same O. You can repeat this procedure as many times as you like. Avoid over-tightening screws in the plastic case when executing any repair procedure! 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.

To keep this from happening, follow these procedures: a. Install the screw, and tighten it only until the sub-assembly being attached is snug against the case. Do not tighten the screw any further. When the glue sets, the screws will hold the sub-assembly tightly in place.

It is important to make sure that there are no loose screws inside the unit, as they may come loose and short out something. Brass Inserts To prevent stripping, there are brass inserts in the Main Board ground boss mounting standoff and in the four control panel holes.

Be sure to use machine screws in these locations. Do not use a self-tapping screw in a brass insert as this will ruin the insert. We just wanted to let you know that we have switched to a higher retention force connector on our transformers.

This means it will be very difficult to remove this connector by just pulling. We recommend the use of a scribe, screwdriver or similar object to remove this connector.

Watch out for them, and please don't pull on the wires! We have found that some units have developed further problems once a module has been changed. This may be a result of improper handling of cables. We suggest removing all cable connectors using the angled end of a scribe see below. Please read this carefully. The modules communicate with each other using serial communication ports. Whenever a key is played on the Keyboard, for example, the Keyboard assembly microprocessor transmits this information to the microprocessor on the Main Board.

Whenever the Main Board wants to put a message on the Display, it sends the message to the Keyboard assembly which then passes it on to the Display. The communications path is shown in Figure 2. The Main Board communicates with the Keyboard assembly over a two-line asynchronous interface carried by the pin Keyboard assembly ribbon cable.

Due to the complexity of the modules involved, it is often difficult to determine which module is at fault when a communications problem occurs. Figure 2 -Communications Path If a communication problem occurs i. When using the Communication Test Board, keep in mind that it is sensitive to static discharge. Handle the board by the edges and store it in the anti-static shipping bag when not in use.

Do not let the board short out when testing, place an insulator cardboard, paper, etc. Plug the pin ribbon cable from the Communication Test Board into J This will eliminate the Keyboard assembly as a variable. Turn the system on. If the communications problem persists, you know the Keyboard assembly is not at fault If communication is restarted, however, the Keyboard assembly is at fault.

See the flow charts on pp. There is one further complication. You should check these before troubleshooting the rest of the unit. Check to make sure that all the cable connections are secure and correct. There are dangerous Voltages present in this area. Figure 3 shows the check points for reading the AC Line Voltage.

Figure 4 shows the connector terminal numbers for the Power Supply and Transformer. The following chart lists the voltage ranges for proper operation of each supply fully loaded and the appropriate terminals to read across with the volt meter refer to Figure 4 for terminal locations : Designation xenninals Connector Ai!.

In this case, you should test the Power Supply unloaded before proceeding. Verify the the proper Line Voltage is present. Turn the unit ON. Turn the unit OFF. Disconnect the Keyboard cable from the main board. Still wrong voltages? Disconnect the cable between the power supply and the main board.

Pressing various control panel buttons will cause the Display to print characters, home the cursor, etc. If the unit comes in with a blank display, but is in Self-test mode i. Before replacing anything, check all connections, particularly the pin cable to the Keyboard assembly.

If pressing buttons causes only the leftmost character of the display to change, this usually indicates a defective cable connection pin ribbon cable between the Main Board and Keyboard assembly or possibly a bad Keyboard assembly. If you can't isolate a problem that seems related to the display, the display can be forced into Self-test mode using the following procedure.



Quick Links. Download this manual See also: Service Manual. Table of Contents. Grounding Instructions This product must be grounded.


ENSONIQ EPS-16 PLUS Musician's Manual

Its sampler specs are impressive: bit, variable sampling rates from With a slim 1Mb of memory this gives just about Editing functions are quite nice: normalizing, sample splicing, merging, phase switching, auto-looping, auto-truncating, sample rate conversion and more. On the synthesizer side it has two great filters with switchable hi, low and band pass, 6dB to 24dB cutoffs. BUT, they aren't resonant.



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