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Ensoniq ESQ-1/SQ-80
Replacement Keys & Parts
Replacement Keys -
Parts
There were two versions of the ESQ-1 made, so you may need to know which version you have in order to get the correct parts.
The early metal-case ESQ-1 has a metal front panel, and the 'ESQ-1' logo is directly over the pitch bend and mod wheels. The later
plastic-case ESQ-1 has a plastic front panel, and the 'ESQ-1' logo is directly over the lowest notes of the keyboard.
Replacement Keys
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. |
Click below to view keys for:
ESQ-1 (with Style 39W keys*)
ESQ-1 (with Style 41W keys*)
SQ-80 (keys with circular foam pad)
SQ-80 (keys without foam pad)
* The 39W and 41W keys look nearly identical, except for an extra 'foot' on the bottom of the 41W.
Parts We stock both new and used parts; the individual item descriptions will specify whether a 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 shown as Out of Stock, then we do not have it, and in most cases, we don't know when or even if we might have it again. Your best bet is to simply check back on our site occasionally. If a part is not listed on our site, then we do not carry that part. We can no longer research or special order parts that are not listed here, and we just don't have time to answer questions about parts that we don't carry. We want to help you get the parts you need, but please do not ask us to help diagnose problems with your equipment. We simply don't have the resources to do this, and it is just not practical to diagnose repair issues without being able to test the equipment in person. |
View parts for:
ESQ-1, ESQ-M
SQ-80
ESQ-1, ESQ-M | ||
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AC line filter/cord receptacle (Part #4015)
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Battery (with instructions) (Part #4128)
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Button, for metal-case ESQ-1 or ESQ-M, black (Part #4323)
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Button, for metal-case ESQ-1 or ESQ-M, gray (Part #4324)
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Button, for metal-case ESQ-1 or ESQ-M, white (Part #4325)
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Button, for metal-case ESQ-1, yellow (Part #4326)
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Button, for plastic-case ESQ-1, black (Part #4108)
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Button for plastic-case ESQ-1, gray (Part #4054)
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Button for plastic-case ESQ-1, white (Part #4107)
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Button for plastic-case ESQ-1, yellow (Part #4106)
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Cartridge receptacle, with ribbon cable, for metal-case ESQ-1 only (Part #4031)
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Cartridge receptacle, with ribbon cable, for plastic-case ESQ-1 only (Part #4056)
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Contact spring holder, with adjustment screw, for metal-case ESQ-1 and some plastic-case ESQ-1's (Part #4055)
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Contact spring holder, without adjustment screw, for some plastic-case ESQ-1's (Part #4125)
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Data entry (keypad) board, metal-case ESQ-1 (Part #4693)
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Data entry (keypad) board, plastic-case ESQ-1 (Part #4024)
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Display bezel (Part #4048)
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Display board, metal-case ESQ-1 (Part #3785)
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Display board, plastic-case ESQ-1 (Part #4057)
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Display standoff, metal-case ESQ-1 (Part #4788)
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Display standoff, plastic-case ESQ-1 (Part #4362)
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End cap, left, for metal-case ESQ-1 (Part #4881)
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End cap, right, for metal-case ESQ-1 (Part #2776)
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Fuse holder (Part #4014)
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IC, OS ver 3.5 EPROMs (Part #ESQEPR)
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IC, 138065002B keyboard controller (Part #3144)
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IC, 4051 multiplexer (Part #4319)
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IC, 5503000101 Q-chip (Part #4040)
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IC, 5503000301 Q-chip (Part #4789)
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IC, 74LS00 quad gate (Part #3429)
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IC, 74LS04 hex inverter (Part #3147)
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IC, 74LS245 bus transceiver (Part #3395)
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IC, 74LS373 flip-flop (Part #3051)
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IC, 74LS377 octal flip-flop (Part #5213)
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IC, 74LS74 dual flip-flop (Part #3396)
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IC, CEM3360 VCA chip (Part #4063)
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IC, CEM3379 signal processor (Part #4064)
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IC, MC68B09EP microprocessor (Part #4042)
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IC, SCN2681A dual UART (Part #4065)
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IC, SSM2300 S/H multiplexer (Part #4045)
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IC, TL4810AN display driver (Part #4332)
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Key bushing, for metal-case ESQ-1 (Part #4344)
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Key contact spring (Part #4126)
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Key contact springs, package of 10 (Part #4126X)
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Key return spring (Part #KEYSPH)
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Keybed chassis, plastic-case ESQ-1 (Part #4880)
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Main board, metal-case ESQ-1 (Part #4694)
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Main board, plastic-case ESQ-1 (Part #4113)
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Memory cartridge, EEPROM (Part #ESQRAM)
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Nut for 1/4-inch phone jack, metal-case ESQ-1 or ESQ-M (Part #4123)
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Nut for 1/4-inch phone jack, plastic-case ESQ-1 (Part #4061)
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Phone jack, plastic-case ESQ-1 or ESQ-M Outputs, Tape In & Out, Seq Ft Sw (Part #4177) View details for this product |
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Phone jack, metal-case ESQ-1, for all except CV Pedal (Part #4546)
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Phone jack, CV Pedal (Part #4178)
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Phone jack, plastic-case ESQ-1 Sustain (Part #4334)
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Pitch bend/mod wheel (plastic wheel only) (Part #4098)
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Pitch bend/mod wheel assembly (Part #4035)
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Pitch bend/mod wheel panel, metal-case ESQ-1 (Part #4036)
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Pitch bend/mod wheel panel, plastic-case ESQ-1 (Part #5031)
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Potentiometer, for pitch/mod wheel (Part #4510)
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Power cord (Part #PC)
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Power supply, for some metal-case ESQ-1's (Part #4626)
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Power supply, for some metal-case ESQ-1's (Part #4886)
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Power supply, for plastic-case ESQ-1 (Part #4058)
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Power switch (Part #4020)
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Pushbutton tact switch (Part #4004)
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Pushbutton tact switches, pkg of 10 (Part #4004X)
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Ribbon cable, display board to data entry board, all ESQ-1's (Part #4029)
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Ribbon cable, main board to keyboard, for metal-case ESQ-1 (Part #4627)
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Ribbon cable, main board to keyboard, 26-inch, for some plastic-case ESQ-1's (Part #4363)
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Ribbon cable, main board to keyboard, 13-inch, for some plastic-case ESQ-1's (Part #4060)
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Rubber foot, for plastic-case and some metal-case ESQ-1's (Part #4021)
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Rubber foot, for some metal-case ESQ-1's (Part #4373)
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Rubber stop, for pitch or mod wheel (Part #4606)
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Screws, package of 4, for front panel of some ESQ-1's (Part #3382)
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Screws, package of 5, for front panel of some ESQ-1's (Part #3240)
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Screws, package of 10, for keybed (bottom panel) (Part #3850)
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Screws, package of 10, for main board, display board, data entry board (Part #2141)
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Sequencer expander cartridge, 10,000-note (Part #SQX10)
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Sequencer expander cartridge, 20,000-note (Part #SQX20)
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Sequencer expander cover plate, metal-case ESQ-1 (Part #4766)
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Sequencer expander cover plate, plastic-case ESQ-1 (Part #4112)
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Slider escutcheon, metal-case ESQ-1 or ESQ-M (Part #4787)
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Slider knob (Part #4022)
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Slide potentiometer, for Volume or Data (Part #4005)
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Spring, for pitch bend wheel (Part #4028)
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Transformer, 1450000301, for some plastic-case and some metal-case ESQ-1's (Part #4066)
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Transformer, 1450000502, for some plastic-case ESQ-1's (Part #4340)
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Transformer, for some metal-case ESQ-1's (Part #4887)
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Transistor, 2SB834 (Part #2577)
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Transistor, D880 (Part #2955)
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Transistor, MJE172G (Part #7151)
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Voltage regulator, 7805 (Part #2256)
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SQ-80 | ||
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AC line filter/cord receptacle (Part #4015)
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Battery (with instructions) (Part #4861)
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Button, dark gray (Part #4051)
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Button, light gray (Part #4863)
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Button, red (Part #4864)
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Button, teal (Part #4865)
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Cartridge receptacle, with ribbon cable (Part #4031)
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Display board (Part #4369)
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Disk drive (Part #4202)
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Disk drive faceplate, black, for mounting Sony 420-2 drive in tall opening (Part #4003)
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Display bezel (Part #4048)
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Display standoff (Part #4683)
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Fuse holder (Part #4014)
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IC, OS ver 1.80 EPROMs (Part #SQ80EP)
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IC, 1772 disk drive controller (Part #4584)
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IC, 4028 decoder (Part #1945)
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IC, 4051 multiplexer (Part #4319)
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IC, 5503000301 Q-chip (Part #4789)
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IC, 6N138 optocoupler (Part #2892)
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IC, 7406 hex inverter (Part #3392)
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IC, 7407 hex buffer/driver (Part #3397)
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IC, 74LS00 quad gate (Part #3429)
View details for this product |
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IC, 74LS04 hex inverter (Part #3147)
View details for this product |
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IC, 74LS377 octal flip-flop (Part #5213)
View details for this product |
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IC, 74LS74 dual flip-flop (Part #3396)
View details for this product |
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IC, CEM3360 VCA chip (Part #4063)
View details for this product |
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IC, CEM3379 signal processor (Part #4064)
View details for this product |
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IC, D43256AC memory chip (Part #4337)
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IC, LM311 comparator (Part #2560)
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IC, SCN2681A dual UART (Part #4065)
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IC, SSM2300 S/H multiplexer (Part #4045)
View details for this product |
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IC, TL081 op amp (Part #4260)
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IC, TL084CN op amp (Part #4192)
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IC, TL4810AN display driver (Part #4332)
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Key bushing (Part #4344)
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Key return spring (Part #KEYSP1)
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Keybed chassis (Part #4696)
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Keyboard coil boards, joined with ribbon cable (Part #4695) Some SQ-80's use coil boards joined together with a soldered ribbon cable. View details for this product |
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Keyboard coil board, lower (Part #4371) Some SQ-80's use two separate coil boards which join together with a brown connector. View details for this product |
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Keyboard coil board, upper (Part #4372)
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Keyboard rebuild kit - eliminate the SQ-80's clacky keys! (Part #SQ80KC)
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KPC circuit board (Part #4264)
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Main board (Part #4477)
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MIDI jack (Part #5085)
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Nut for 1/4-inch phone jack (Part #4061)
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Phone jack, for Left/Phones output (Part #4177)
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Phone jack, for Right/Mono output (Part #3089)
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Phone jack, for Sustain and Sequencer Ft Sw, Tape Out, Tape In (Part #4334)
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Phone jack, for CV Pedal only (Part #4178)
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Pitch bend/mod wheel (plastic wheel only) (Part #4098)
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Pitch bend/mod wheel assembly (Part #4035)
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Potentiometer, for pitch/mod wheel (Part #4510)
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Power cord (Part #PC)
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Power supply board (Part #4077)
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Power switch (Part #4020)
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Pushbutton tact switch (Part #4004)
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Pushbutton tact switches, pkg of 10 (Part #4004X)
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Ribbon cable, main board to floppy drive (Part #4084)
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Ribbon cable, main board to keyboard (Part #4089)
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Rubber foot (Part #4021)
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Rubber stop, for pitch or mod wheel (Part #4606)
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Screws, package of 5, for SQ-80 front panel without brass inserts (Part #3240)
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Screws, package of 4, for SQ-80 front panel with brass inserts (Part #3382)
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Screws, package of 4, for pitch bend/mod wheel panel (bottom panel) (Part #2198)
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Screws, package of 10, for keybed (bottom panel) (Part #3292)
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Screws, package of 10, for main board, display board (plastic-case ESQ-1 only) (Part #2141)
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Slider knob, plastic (Part #4022)
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Slide potentiometer, for Volume or Data (Part #4005)
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Spring, for pitch bend wheel (Part #4028)
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Transformer (Part #4340)
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Voltage regulator, 7805 (Part #2256)
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Voltage regulator, 7812 (Part #1861)
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Voltage regulator, 7912 (Part #1739)
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