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 four 4 screws and star washers that attach the Disk Drive to the wheel assembly. If no buttons are pressed the Bum-in Test cycle will begin automatically after twenty seconds. We recommend the use of a scribe, screwdriver or wps object to remove this connector.

Ensoniq EPS 16+ Service Manual

Slide the new Disk Drive into place and mount it using the four screws and star washers Reconnect the two cables, paying particular attention to the alignment of pins and connectors. Remove the three 3 wires connected manua, the back of the Filter, paying particular attention to the polarity.

The rnsoniq of the OEX-6 can be tested using the following procedure: Instead, the display will read: Remove all cables connected to the EPS including the Power cable. The module ears were not designed to fit into the recessed area. Select each instrument one at a time and play it Listen for ESP effects problems, sound clarity, noise etc.


Raise the wps panel and cut the wire ties that hold the wire harness to the chassis. This has been fixed in the current version. If the communications problem mahual, you know the Keyboard assembly is not at fault If communication is restarted, however, the Keyboard assembly is at fault.

Eps Plus Keyboard Only Section The most likely system error was 1 The board is basically a new layout of the Main Board with the tower board included, the new square gate array chip replaces several individual chips, and it uses a different size RAM chip.

Carefully lift the wheel assembly out of the case. Note that these connectors are keyed and have connector locks. Merge Two Tracks These tones are quite loud, so keep the sound system volume low.

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Verify that the values are as follows: 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. Remove the two 2 screws and nuts that secure the Power Supply to the case note that there are star washers on each screw. Rather than diagnose and exchange individual components, you will replace complete modules. Use the Communication Test Board to check the keyboard.

The disk drive is the same for both units.

Ensemble Cross Fade Once all failure status indicators have been cleared, press Enter-Yes to restart the Burn-in Test cycle at the displayed test. Keyboard And Sevrice Similarities Remove the Keyboard from the case by gendy lifting up the front of it while pulling it toward the front of the unit Once the rear of the Keyboard mabual cleared the control panel mounting tabs, the Keyboard can be removed from the Keyboard cavity see pp.



Install the new Line Filter from the outside of the case. Dual Function Effect Mixer Reconnect the pin ribbon cable to the KPC board before sliding the new assembly into place. Ac Line Voltage Measurements The EPS should play normally, however the output should be noticeably louder than before at the same volume setting.

Then insert the new capacitors. You can repeat this procedure as many times as you like.

ENSONIQ EPS Service Manual

Pop the OEX-6 board from the two white standoffs by squeezing the standoffs. Do not tighten the screw any further. Using an Ohmmeter, verify continuity between manuzl following points on the Main Board: Insert the replacement Power Supply Board.

Remove the four screws and flat washers that hold the Transformer in place. Press Load button then Instrument.

Immediately place defective drive in the anti-static bag that the new drive came in. Note that there are star washers on the inside only. Remove servic control panel see Section B. There are two ways to fix this problem: Re-install the Power Supply screws.