Ensoniq Technical Documents and Schematics

While Rainer Buchty has assembled a wonderful collection of Ensoniq material, there are numerous items either missing or in need of better quality. This is an attempt to rectify that situation — as time and opportunity permit.

TECHNICAL DOCUMENTS (HARDWARE)

Ensoniq DOC (ES5503) Digital Oscillator Chip Datasheet
Ensoniq DOC (ES5503) Digital Oscillator Chip (for Apple Computing)
Ensoniq EPS Gate Array (ES5700) Specification
Ensoniq EPS Technical Manual
Ensoniq ESP (ES5510) Technical Specification v2.4
Ensoniq ESP Microcode Programming Guide (unofficial)
Ensoniq ESP2 Signal Processor (ES5511) Instructions and Hardware Specification
Ensoniq Mirage Expansion Port Technical Details
Ensoniq ODIE (ES5706) Datasheet
Ensoniq OTIS (ES5505) Datasheet
Ensoniq OTTO (ES5506) Technical Specification v2.3
Ensoniq SuperGLU Gate Array (ES5701) Technical Specification
Ensoniq SQ80 Technical Description (by Rainer Buchty)

TECHNICAL DOCUMENTS (SOFTWARE)

Ensoniq EFE File Format (Steve Quartly & Gary Giebler)
Ensoniq EPS & ASR Sequence Structure (Terje Finstad)
Ensoniq EPS, EPS16, & ASR-10 Bank Format v0.7 (Thoralt Franz)
Ensoniq Floppy Diskette Format (Gary Gebler)
FAQ on Ensoniq File Formats (Terje Finstad)

SCHEMATICS

AVAILABLE (PENDING SCANS)

Note: All original scans with an emphasis on retaining or enhancing as much quality as possible.

Ensoniq Mirage DMS-1/DMS1 — available, to be added

Ensoniq Mirage DSK-1/DSK1 — available, to be added

Ensoniq Mirage DSK-8/DSK8 — available, to be added

Ensoniq Mirage DSK-8+ — available, to be added

Ensoniq EPS (classic)
Display and Keypad (Buttons)
Power Supply (PSU)
Mainboard (Digital)
Mainboard (Analog)
– Mainboard (1MB RAM – Digital) — available, to be added
– Mainboard (1MB RAM – Analog) — available, to be added

Ensoniq EPSm (EPS rack)
Power Supply (PSU)

Ensoniq ESQ-1/ESQ1 (metal)
– Mainboard (Digital) — available, to be added
– Mainboard (Analog) — available, to be added
– Display — available, to be added
– Power Supply (PSU) — available, to be added

Ensoniq ESQ-1/ESQ1 (plastic)
– Mainboard (Digital) — available, to be added
– Mainboard (Analog) — available, to be added
Display and Keypad (Buttons)
– Keypad Matrix — available, to be added
– Power Supply (PSU) — available, to be added

Ensoniq ESQ-M/ESQm
– Mainboard (Digital) — available, to be added **priority**
– Mainboard (Analog) — available, to be added
– Power Supply (PSU) — available, to be added
– Keypad — available, to be added
– Display — available, to be added

Ensoniq SQ-80/SQ80
Display and Keypad (Buttons)
– Mainboard (Digital) — available, to be added
– Mainboard (Analog) — available, to be added
– Power Supply (PSU) — available, to be added

Ensoniq SDP-1/SDP1
– Mainboard (Digital) — available, to be added
– Mainboard (Analog) — available, to be added
– Power Supply (PSU) — available, to be added
– Keypad — available, to be added

Ensoniq SPM-1/SPM1
– Mainboard (Digital) — available, to be added
– Mainboard (Analog) — available, to be added
– Keypad — available, to be added

Ensoniq VFX
– Power Supply (PSU) — available, to be added

AVAILABLE (MIXED SOURCES)

Note: These are from third-party sources, so the quality varies considerably and some are not complete.

Ensoniq ASR-10/ASR10
Coil Boards

Ensoniq DP2

Ensoniq DP4+

Ensoniq EPS-16/EPS16+
Mainboard, PSU, Keypad, Display, KPC, Memory Expander, Output Expander
SCSI

Ensoniq SD-1/SD1 (32 voice)
– Mainboard

Ensoniq TS10/TS12
Mainboard
Coil Boards

Ensoniq VFX (original model)
– Mainboard (Digital) — available, to be added
– Mainboard (Analog) — available, to be added
– Inductive Keyboard — available, to be added
– Keyboard Processor (KPC) — available, to be added
– Tower Board — available, to be added

NOT AVAILABLE IN ANY FORM

Ensoniq ASR-10/ASR10 (keyboard or rack)
Ensoniq ASR-X/ASRX
Ensoniq Fizmo

SERVICE MANUALS

ORIGINAL SCANS

Note: All original scans with an emphasis on retaining or enhancing as much quality as possible.

Ensoniq Mirage
Ensoniq Mirage DSK
Note: There are two versions of the Mirage service manual.

Ensoniq SQ80 — available, to be added
Ensoniq SQ1 (32 Voice), SQ1+ (32 Voice) & SQR (32 Voice) — available, to be added
Ensoniq SQ2 & SQ2 (32 Voice) — available, to be added

MIXED SOURCES

Note: These are from third-party sources with varying quality.

Ensoniq ASR10 & ASR88
Ensoniq ASR-X — unavailable, publication status unknown
Ensoniq AWP 3000/4000/5000 (Acoustic Wave Piano)
Ensoniq DP/2 — unavailable, confirmed to be published
Ensoniq DP/4
Ensoniq DP/4+ (plus)
Ensoniq EPS & EPSm
Ensoniq EPS16+
Ensoniq ESQ-1 & ESQm
Ensoniq Fizmo — unavailable, publication status unknown but very unlikely
Ensoniq KS-32
Ensoniq KT-76 & KT-88
Ensoniq MR-61 & MR-76
Ensoniq SDP-1 (Sampled Digital Piano)
Ensoniq SQ-1, SQ-1 Plus, SQ-R
Ensoniq SQ80
Ensoniq TS-10 & TS-12
Ensoniq VFX, VFX SD, & SD-1
Ensoniq ZR-76 — unavailable, publication status unknown but very unlikely

SERVICE BULLETINS & MODS

MIRAGE
Service Bulletin No. 1 (June 1, 1985) [high quality]
Service Bulletin No. 2 (August 1, 1985) [high quality]
Service Bulletin No. 3 (September 1, 1985) [high quality]
Service Bulletin No. 4 (October 1, 1985) [high quality]
Service Bulletin No. 5 (October 1, 1985) [high quality]
Service Bulletin No. 6 – DSK-8 Diagnostic Kit Instructions (unknown date) [unavailable]
Service Bulletin No. 7 (December 15, 1985) [high quality]
Service Bulletin No. 8 – Mirage Update (December 15, 1985) [high quality]
Service Bulletin No. 9 (March 1, 1986) [high quality]
Mirage Warranty Schedules [high quality]

The Stereo Mirage (Don Slepian, January 1987) [high quality]
Stereo Mirage – The Sequel (Bob Yannes, June 1987) [high quality]

EPS
Service Bulletin No. 2 (December 16, 1988) [high quality]
Service Bulletin No. 3 (April 15, 1989) [medium quality]

POLY-KEY KEYBOARD
Service Bulletin No. 11 (March 20, 1991) [medium quality]
Service Bulletin No. 12 (July 25, 1991)
Note: Applies to multiple devices (EPS, EPS16+, SD-1, VFX, VFX SD)

SDP-1
Service Bulletin No. 1 (July 14, 1987) — available, to be added
Note: Partially applies to SPM-1 Piano module, as well.

SQ1
Replacing the SQ1 ROMs — available, to be added

SQ2
Service Bulletin No. 10 (January 25, 1991) — available, to be added

UNKNOWN
Note: Service Bulletins 4, 5, 6, 7, 8, and 9 are currently unavailable with unknown publishing dates or specific details.

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