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This page contains information about the Service Manual for the EPS Plus from Ensoniq Corporation. Hello Gslutz, im searching for schematics for the Ensoniq EPS Can someone help You wont find the service manual for free on the web. 21 EPS—16 PLUS Service Manual Table of Contents — 1 Table of Contents . For more information about the Poly-Key Keyboard assembly, see ENSONIQ.

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Using The Patch Select Buttons Eject the test disk and insert the O.

Ensoniq EPS 16+ Service Manual

Remove sefvice two 2 screws and star washers that attach the metal plate to the bottom of the Disk Drive.

Play the sample and listen critically.

Plastic Case eps Plus Keyboard Only In previous versions, loading banks repeatedly from SCSI drives could cause the system to behave unpredictably. The following are changes that were included in O. Testing The Power Supply Unloaded Disconnect one end of the MIDI cable d. Keyboard Check cable continuity and wervice insertion, Main Board, Check cable continuity and cable insertion.

Re-saving a SYSEX file now uses the correct file name; sercice, the file was saved using the name of the last-saved file. ID Description ID Description 16 poly or mono pressure events sent to VC trapv instruction overflow error 20 unknown button event privilege violation 48 parameter error trace 49 layer error line emulator 80 bad buffer to MIDI spurious interrupt bus error unused vector odd address error load all data error from MIDI or card divide by zero keyup playback error illegal instruction out of SDBs error ehk instruction register out of bounds Main Board Problems The following unexpected event messages could be caused by a problem on the Main Board: Getting Ready To Sample Dervice to do so will result in an error message.


Avoid over-tightening screws in the plastic case when executing any repair procedure! Failure to connect the wires manuwl their proper posts can lead to a potential shock hazard mmanual Figure 3. Removable SCSI drives are no longer surveyed like the internal floppy drive for disk cartridge being changed. Plus Disk Messages Extended the acceptable range of Mod wheel and other analog inputs.

ENSONIQ EPS 16 Plus Service Manual

The following is a summary of changes which were included in version 1. Replacing The Rack Disk Drive For more information, see Keyboard and Rack Similarities on p. We feel this is better than reducing them and losing the fine details.

Press Load button then Instrument.

Detune Rate and Amt parameters were interconnected, changing either one changed the other. Install the four 4 machine screws and star washers into each side of the unit eneoniq ones that could attach the mounting ears.

Ensoniq Corporation – EPS Plus – Service Manual

You can repeat this procedure as many times as you like. Please note that Ensoniq’s service manuals do not contain schematics ; Ensoniq schematics are generally unavailable. If the ripple is greater than 50mv replace the power supply.


For more troubleshooting hints, see Communications Path on pp. This manual is a. Improper connections to these signals could easily damage the EPS or any external device connected. Replacement Disk Drives are not sent with metal plates attached.

Power up, test the unit, and reattach the lid see below. Install the new KPC board onto the standoffs making sure the side of the board with the pin connector is closest to the base of the unit. If one fuse blows, the other will also manuzl you will have to replace both.

Install the one 1 machine screw on the top of the unit located about 1″ back from the control panel. Wiggle the memory expander board side to side and up a bit to remove it. Table of contents Table Of Contents