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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Remove the Power Supply board by pulling the front of the board toward the Keyboard and then lifting it up so that the finned heat sink clears the case. Display Self-test Mode Go to Incorrect Power Supply Voltages flow chart on p.

The board is a new layout of enzoniq Main Board with: Reinstall the Power Supply screws. Remove the four 4 self-tapping screws from the top of the unit closest to the control panel. Mix, Merge, And Splice Carefully turn the unit right side up.

Replacing a Main Board with a board should be done only when main boards are not available to you. Gently slide the Keyboard toward the rear of the unit, lowering the front of the Keyboard as needed to clear the control panel mounting tabs.


Make sure the Disk Drive ribbon cable is not caught under the Keyboard standoffs.

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Install the four 4 self-tapping screws on the top of the unit closest to the control panel. ESP Effects Test 2. Do not tighten the screw any further.

Disconnect the transformer cables to the power mnaual, line filter, and power switch. Re-install the Keyboard see Section C.

Also please stay online while printing this document to make sure you get all the pages. Turn on the EPS with no disk in the disk drive. What Is System Exclusive Data There is a printed label near the Disk Drive on every new unit shipped.

Ensoniq Corporation – EPS Plus – Service Manual

Making A Midi Instrument Eneoniq to use drum loops, and make them match your seevice tempo exactly All the special segments on the right side of the display will light and the display will read: Please note that Ensoniq’s service manuals do not contain schematics ; Ensoniq schematics are generally unavailable. Press Cancel-No when you are done the sample. Remove the Volume and the Data Entry knobs. Power up, test the unit, and close the control panel.


Remove the lid see Section A. Make Loop Longer Replace the Main Board screws and secure the jacks with the nuts.

ENSONIQ EPS Service Manual

If the ripple is greater than 50mv replace the power supply. If there is a cable-tie attached to the retainer, cut it. High Retention Force Connectors. Secure the remaining small portion of the top housing to the bottom housing from the underside using two of the original Memory Expander screws.

Press the board down and into place.

The end of each lead is crimped slightly on the manula side of the board, so you must gently rock each lead back and forth while pulling.