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Ensoniq ESQ-1/SQ-80
Replacement Keys & Parts
Replacement Keys - Parts

Syntaur Productions carries an extensive stock of Ensoniq repair parts. Most parts we sell are used (all electronic parts have been tested), though some parts are new. We also carry most Service Manuals, which are of tremendous help in diagnosing problems. We do not have any schematics available. Replacement Keys These plastic keys will replace broken ones on your keyboard. Most of these replacement keys are used, but in fine condition; some are new. There are two different types of keys used on the ESQ-1 keyboards, so you will need to make sure you order the correct style. With the exception of the Top C note on the 61-note keyboards, all keys from octave to octave are identical, and all black keys within a given style are identical. In other words, a B note in the lowest octave uses the same key as a B note in any other octave. But the highest C note is different from the other C notes (see illustration below). If you do not know the note names, on the 61-note keyboard shown below, the white keys from the bottom (left side) up are: C, D, E, F, G, A, B, and then the sequence repeats.

View keys for:
ESQ-1 (metal-case)   ESQ-1 (plastic-case, with Style 39W keys)   ESQ-1 (plastic-case, with Style 41W keys)  
SQ-80 (keys with circular foam pad)   SQ-80 (keys without foam pad)  

Parts We stock both new and used parts; the individual item descriptions will specify whether a specific part is new or used. All used electronic parts are tested and guaranteed working. This listing reflects our current inventory and is updated daily, so if a part is shown with a "Buy" button, we should have it in stock. If a part is not listed, or is shown as out of stock, then we do not have it. If you are looking for a part that is not listed, feel free to email us at sales@syntaur.com, but please give us a few days to reply, as it takes some time to research the availability of many parts.

View parts for:
ESQ-1, ESQ-M   SQ-80  

ESQ-1, ESQ-M
	AC line filter/cord receptacle (Part #4015) View details for this product
	Battery (with instructions) (Part #4128) View details for this product
	Button, for metal-case ESQ-1, black (Part #4323) View details for this product
	Button, for metal-case ESQ-1, gray (Part #4324) View details for this product
	Button, for metal-case ESQ-1, white (Part #4325) View details for this product
	Button, for metal-case ESQ-1, yellow (Part #4326) View details for this product
	Button, for plastic-case ESQ-1, black (Part #4108) View details for this product
	Button for plastic-case ESQ-1, gray (Part #4054) View details for this product
	Button for plastic-case ESQ-1, white (Part #4107) View details for this product
	Button for plastic-case ESQ-1, yellow (Part #4106) View details for this product
	Cartridge receptacle, with ribbon cable (Part #4031) View details for this product
	Contact spring holder, with adjustment screw, for metal-case ESQ-1 and some plastic-case ESQ-1's (Part #4055) View details for this product
	Contact spring holder, without adjustment screw, for some plastic-case ESQ-1's (Part #4125) View details for this product
	Data entry (keypad) board, metal-case ESQ-1 (Part #4693) View details for this product
	Data entry (keypad) board, plastic-case ESQ-1 (Part #4024) View details for this product
	Display bezel (Part #4048) View details for this product
	Display board, all ESQ-1's (Part #4057) View details for this product
	Display standoff, metal-case ESQ-1 (Part #4788) View details for this product
	Display standoff, plastic-case ESQ-1 (Part #4362) View details for this product
	End cap, left, for metal-case ESQ-1 (Part #4881) View details for this product
	Fuse holder (Part #4014) View details for this product
	IC, CPU chip, Motorola MC68B09EP (Part #4042) View details for this product
	IC, Display driver chip, TL4810BN (Part #4332) View details for this product
	IC, Keyboard controller, 138065002B (Part #3144) View details for this product
	IC, Q-chip, Ensoniq 5503000101 (Part #4040) View details for this product
	IC, Q-chip, Ensoniq 5503000301 (Part #4789) View details for this product
	IC, S/H multiplex chip, Solid State Microsystems SSM 2300 (Part #4045) View details for this product
	IC, Signal processor chip, Curtis CEM 3379 (Part #4064) View details for this product
	IC, dual UART chip, SCN2681A (Part #4065) View details for this product
	IC, VCA chip, Curtis 3360 (Part #4063) View details for this product
	Key bushing, for metal-case ESQ-1 (Part #4344) View details for this product
	Key contact spring (Part #4126) View details for this product
	Key return spring (Part #KEYSPH) View details for this product
	Keybed chassis, plastic-case ESQ-1 (Part #4880) View details for this product
	Main board, metal-case ESQ-1 (Part #4694) View details for this product
	Main board, plastic-case ESQ-1 (Part #4113) View details for this product
	Nut for 1/4-inch phone jack, metal-case ESQ-1 (Part #4123) View details for this product
	Nut for 1/4-inch phone jack, plastic-case ESQ-1 (Part #4061) View details for this product
	Phone jack, for all except CV Pedal (Part #4546) View details for this product
	Phone jack, for CV Pedal only (Part #4178) View details for this product
	Pitch bend/mod wheel (plastic wheel only) (Part #4098) View details for this product
	Pitch bend/mod wheel assembly (Part #4035) View details for this product
	Pitch bend/mod wheel panel, metal-case ESQ-1 (Part #4036) View details for this product
	Potentiometer, for pitch/mod wheel (Part #4510) View details for this product
	Power cord (Part #PC) View details for this product
	Power supply, for some metal-case ESQ-1's (Part #4626) View details for this product
	Power supply, for some metal-case ESQ-1's (Part #4886) View details for this product
	Power supply, for plastic-case ESQ-1 (Part #4058) View details for this product
	Power switch (Part #4020) View details for this product
	Pushbutton microswitch (Part #4004) View details for this product
	Ribbon cable, display board to data entry board, all ESQ-1's (Part #4029) View details for this product
	Ribbon cable, main board to keyboard, for metal-case ESQ-1 (Part #4627) View details for this product
	Ribbon cable, main board to keyboard, 26-inch, for some plastic-case ESQ-1's (Part #4363) View details for this product
	Ribbon cable, main board to keyboard, 13-inch, for some plastic-case ESQ-1's (Part #4060) View details for this product
	Rubber foot, for plastic-case and some metal-case ESQ-1's (Part #4021) View details for this product
	Rubber foot, for some metal-case ESQ-1's (Part #4373) View details for this product
	Rubber stop, for pitch or mod wheel (Part #4606) View details for this product
	Screws, package of 5, for front panel of plastic-case ESQ-1 (Part #3240) View details for this product
	Sequencer expander cartridge, 10,000-note (Part #SQX10) View details for this product
	Sequencer expander cartridge, 20,000-note (Part #SQX20) View details for this product
	Sequencer expander cover plate, metal-case ESQ-1 (Part #4766) View details for this product
	Sequencer expander cover plate, plastic-case ESQ-1 (Part #4112) View details for this product
	Slider escutcheon, metal-case ESQ-1 (Part #4787) View details for this product
	Slider knob (Part #4022) View details for this product
	Slide potentiometer, for Volume or Data, plastic-case ESQ-1 (Part #4005) View details for this product
	Slide potentiometer, for Volume or Data, metal-case ESQ-1 (Part #4507) View details for this product
	Spring, for pitch bend wheel (Part #4028) View details for this product
	Transformer, for all plastic-case and some metal-case ESQ-1's (Part #4066) View details for this product
	Transformer, for some metal-case ESQ-1's (Part #4887) View details for this product
	Wiring harness, main board to display, all ESQ-1's (Part #4110) View details for this product
	Wiring harness, power supply to display, all ESQ-1's (Part #4100) View details for this product
	Wiring harness, power supply to main board, all ESQ-1's (Part #4139) View details for this product

SQ-80
	AC line filter/cord receptacle (Part #4015) View details for this product
	Battery (with instructions) (Part #4861) View details for this product
	Button, dark gray (Part #4051) View details for this product
	Button, light gray (Part #4863) View details for this product
	Button, red (Part #4864) View details for this product
	Button, teal (Part #4865) View details for this product
	Cartridge receptacle, with ribbon cable (Part #4031) View details for this product
	Display board (Part #4369) View details for this product
	Disk drive (Part #4202) View details for this product
	Disk drive faceplate, black, for mounting Sony 420-2 drive in tall opening (Part #4003) View details for this product
	Display bezel (Part #4048) View details for this product
	Display standoff (Part #4683) View details for this product
	Fuse holder (Part #4014) View details for this product
	IC, CPU chip, Motorola MC68B09EP (Part #4042) View details for this product
	IC, Display driver chip, TL4810BN (Part #4332) View details for this product
	IC, Disk drive controller chip, WD1772 (Part #4584) View details for this product
	IC, S/H multiplex chip, Solid State Microsystems SSM 2300 (Part #4045) View details for this product
	IC, Signal processor chip, Curtis CEM 3379 (Part #4064) View details for this product
	IC, VCA chip, Curtis 3360 (Part #4063) View details for this product
	Key bushing, lower (white keys) (Part #4344) View details for this product
	Key bushing, upper (all keys) (Part #4184) View details for this product
	Key return spring (Part #KEYSP1) View details for this product
	Keybed chassis (Part #4696) View details for this product
	Keyboard coil boards (Part #4695) View details for this product
	Keyboard rebuild kit - eliminate the SQ-80's clacky keys! (Part #SQ80KC) View details for this product
	KPC circuit board (Part #4264) View details for this product
	Main board (Part #4477) View details for this product
	Nut for 1/4-inch phone jack (Part #4061) View details for this product
	Phone jack, for Left/Phones output (Part #4177) View details for this product
	Phone jack, for Sustain and Sequencer Ft Sw, Tape Out, Tape In (Part #4334) View details for this product
	Phone jack, for CV Pedal only (Part #4178) View details for this product
	Pitch bend/mod wheel (plastic wheel only) (Part #4098) View details for this product
	Pitch bend/mod wheel assembly (Part #4035) View details for this product
	Potentiometer, for pitch/mod wheel (Part #4510) View details for this product
	Power cord (Part #PC) View details for this product
	Power supply board (Part #4077) View details for this product
	Power switch (Part #4020) View details for this product
	Pushbutton microswitch (Part #4004) View details for this product
	Ribbon cable, main board to floppy drive (Part #4084) View details for this product
	Ribbon cable, main board to keyboard (Part #4089) View details for this product
	Rubber foot (Part #4021) View details for this product
	Rubber stop, for pitch or mod wheel (Part #4606) View details for this product
	Screws, package of 5, for SQ-80 front panel without brass inserts (Part #3240) View details for this product
	Screws, package of 10, for keybed (bottom panel) (Part #3292) View details for this product
	Slider knob, plastic (Part #4022) View details for this product
	Slide potentiometer, for Volume or Data (Part #4005) View details for this product
	Spring, for pitch bend wheel (Part #4028) View details for this product
	Transformer (Part #4340) View details for this product
	Wiring harness, main board to display (Part #4110) View details for this product
	Wiring harness, power supply to disk drive (Part #4259) View details for this product
	Wiring harness, power supply to display (Part #4100) View details for this product
	Wiring harness, power supply to main board (Part #4164) View details for this product

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