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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Communications Test Snsoniq 2. 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. Instead, the display will read: In some cases, however, it is difficult to isolate the problem.

Install die two 2 self tapping screws on either side of the unit 3. Replace the Main Board screws, and secure the jacks with the nuts.

All EPS keyboards with higher serial numbers incorporate this modification already. See Hardware Notes p. There is a printed label near the Disk Drive servcie every new unit shipped.

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This function had been disabled in version 2. These chemicals will damage the components and the circuit board. Leave these two mounting— screws out when: The following flow charts servicw help you diagnose units which appear dead no display. To determine which test has failed, press CancebNo.


While playing the same note on the keyboard, listen to each OEX-6 output individually. This will eliminate the Keyboard assembly as a variable.

Go to Incorrect Power Supply Voltages flow chart on p. Once all the buttons are pressed, the display enspniq read: Do not try to force the module ears into this recess.

ENSONIQ EPS 16 Plus Service Manual

At this point, the user can seervice the file to a different disk. Place insulating tape along the flat inside edge of the front panel both top and bottom.

Sequencer “transport Controls Sam Mims has been creating sounds for Ensoniq keyboards for over 20 years, and was a beta tester and factory sound programmer for many of those keyboards. When resaving a multi-disk sound, it was possible to end up with part one saved twice, thereby making it impossible to reload. Making A Song The modules communicate with each other using serial communication ports Whenever a key is played on the Keyboard, for example, the Keyboard microprocessor transmits this information to the microprocessor on the Main Board.

Connect the pin ribbon cable making sure that the striped side is on pin 1. Reattach the cables to the power supply, line filter, and power switch. Note that these connectors are keyed and have connector locks. Install the new KPC board onto the seevice making sure the side of the board with the pin connector is closest to the base of the unit.


See the flow charts on pages for troubleshooting procedures. Always try formatting another blank disk before determining that the Disk Drive is faulty. With the front panel close to you, the memory expander board is located in the left comer of the unit.

Once the rear of the Keyboard has cleared the control panel mounting tabs, the Keyboard can be removed from the Keyboard cavity.

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Contact your distributor if you are located outside the U. Remove the four 4 self-tapping screws and one star washer from the bottom of the unit closest to the control panel.

This can cause extra segments of the display to light or the whole display may appear dim. Carefully reconnect the four cables, paying particular attention to the alignment of pins and connectors.

Figure 2 -Communications Path If epss communication problem occurs i.