Yamaha DX7S

Released in 1987

The classic DX7 is a 6-operator FM synthesizer that helped define the sound of the 80's. The DX7S builds on that legacy with the addition of stereo effects and improved sound quality, in a 61-note cabinet styled similarly to the DX7 II.

Yamaha DX7S
All photos are copyrighted by Syntaur, and may not be used without permission.

We stock both NEW and USED parts; all used electronic parts are tested and guaranteed working.

This listing reflects our current inventory and is updated in real time. If a part is shown as Out of Stock, we typically don't know when or if we might have it again - but click on the part for more info, and then you will be able to sign up for an alert when we do have it available again. By including out of stock parts in our listings, we hope to offer customers a more complete and useful resource.

We cannot diagnose repair issues by phone or email. For technical questions, we suggest posting on our Forums, where our techs - as well as other users - can offer help.

Yamaha DX7S replacement keys
Replacement Keys
Aftertouch sensor PCB
Aftertouch sensor PCB
$16.95 (Part #3010)
Click for details
Aftertouch strip, 61-note
Aftertouch strip, 61-note
$39.95 (Part #1659)
Click for details
Battery, 3V lithium
Battery, 3V lithium
$7.95 (Part #4311)
Click for details
Button assembly, Yamaha
Button assembly, Yamaha
$12.95 (Part #7142)
Click for details
Button set, Yamaha
Button set, Yamaha
$15.95 (Part #7111)
Click for details
Button set, Yamaha
Button set, Yamaha
$15.95 (Part #7112)
Click for details
Cartridge receptacle, Yamaha
Cartridge receptacle, Yamaha
$14.95 (Part #2984)
Click for details
Cheek block, Yamaha
Cheek block, Yamaha
$11.95 (Part #7144)
Click for details
Display assembly, Yamaha
Display assembly, Yamaha
$69.95 (Part #7147)
Click for details
End cap, left upper, Yamaha
End cap, left upper, Yamaha
$34.95 (Part #7145)
Click for details
End cap, right lower
End cap, right lower
$19.95 (Part #1362)
Click for details
EPROM chip, for Yamaha DX7S
EPROM chip, for Yamaha DX7S
$12.95 (Part #7114)
Click for details
Headphone/breath controller board, Yamaha
Headphone/breath controller board, Yamaha
$24.95 (Part #7141)
Click for details
IC, 4066 quad bilateral switch
IC, 4066 quad bilateral switch
$2.95 (Part #3723)
Click for details
IC, 4558 dual op amp
IC, 4558 dual op amp
$2.95 (Part #3387)
Click for details
IC, 74HC08 quadruple 2-input AND gate
IC, 74HC08 quadruple 2-input AND gate
$2.95 (Part #5178)
Click for details
IC, 74HC138 3 to 8 multiplexer
IC, 74HC138 3 to 8 multiplexer
$1.95 (Part #8125)
Click for details
IC, 74LS14N hex Schmitt trigger
IC, 74LS14N hex Schmitt trigger
$2.95 (Part #4420)
Click for details
IC, M58990P A/D converter
IC, M58990P A/D converter
$26.95 (Part #3924)
Click for details
IC, PCM54HP D/A converter
IC, PCM54HP D/A converter
$11.95 (Part #5707)
Click for details
IC, TC40H032 quad 2-input OR gate
IC, TC40H032 quad 2-input OR gate
$2.95 (Part #2659)
Click for details
IC, TLP552 optocoupler
IC, TLP552 optocoupler
$4.95 (Part #9845)
Click for details
Key contact assembly, 12-note
Key contact assembly, 12-note
$49.95 (Part #4679)
Click for details
Key contact assembly, 13-note
Key contact assembly, 13-note
$59.95 (Part #3307)
Click for details
Key contact board, 61-note
Key contact board, 61-note
$69.95 (Part #3774)
Click for details
Key retention clip, 61-note keyboard
Key retention clip, 61-note keyboard
$16.95 (Part #4395)
Click for details
Key return flat spring
Key return flat spring
$0.75 (Part #KEYSPA)
Click for details
Key return springs, set of 10
Key return springs, set of 10
$5.95 (Part #KEYSPAX)
Click for details
Keybed cushion, 61-note
Keybed cushion, 61-note
$14.95 (Part #1732)
Click for details
Main board, Yamaha
Main board, Yamaha
$159.95 (Part #7644)
Click for details
Mod wheel assembly, Yamaha
Mod wheel assembly, Yamaha
$19.95 (Part #2936)
Click for details
Music rest mount, Yamaha
Music rest mount, Yamaha
$7.95 (Part #7148)
Click for details
Panel board, Yamaha
Panel board, Yamaha
$39.95 (Part #7146)
Click for details
Panel board, Yamaha
Panel board, Yamaha
$46.95 (Part #7643)
Click for details
Phone jack, 1/4-inch, 3-pin PCB mount
Phone jack, 1/4-inch, 3-pin PCB mount
For Headphones
$7.95 (Part #4178)
Click for details
Phone jack, 1/4-inch, 3-pin PCB mount
Phone jack, 1/4-inch, 3-pin PCB mount
For Output, FS, Sustain
$7.95 (Part #4334)
Click for details
Phone jack, 1/4-inch, 4-pin PCB mount
Phone jack, 1/4-inch, 4-pin PCB mount
For FC1, FC2
$7.95 (Part #4177)
Click for details
Pitch bend or mod wheel, Yamaha
Pitch bend or mod wheel, Yamaha
$8.95 (Part #7121)
Click for details
Pitch bend wheel assembly, Yamaha
Pitch bend wheel assembly, Yamaha
$19.95 (Part #2933)
Click for details
Pitch bend/mod wheel rubber, Yamaha
Pitch bend/mod wheel rubber, Yamaha
$2.95 (Part #7122)
Click for details
Potentiometer, 10KB rotary
Potentiometer, 10KB rotary
For mod wheel
$9.95 (Part #3479)
Click for details
Potentiometer, 10KB rotary with center tap
Potentiometer, 10KB rotary with center tap
For pitch bend wheel
$9.95 (Part #3713)
Click for details
Power supply board, Yamaha
Power supply board, Yamaha
$59.95 (Part #7143)
Click for details
Power switch cap, black, round
Power switch cap, black, round
$4.95 (Part #3102)
Click for details
Power switch escutcheon, Yamaha
Power switch escutcheon, Yamaha
$5.95 (Part #7642)
Click for details
Power switch, pushbutton
Power switch, pushbutton
$9.95 (Part #3992)
Click for details
Pushbutton tact switch, 4.3mm, 4-pin
Pushbutton tact switch, 4.3mm, 4-pin
$1.95 (Part #3130)
Click for details
Pushbutton tact switches, 4.3mm, pkg of 10
Pushbutton tact switches, 4.3mm, pkg of 10
$11.95 (Part #3130X)
Click for details
Rubber foot, 5/16-inch tall, with lock pin
Rubber foot, 5/16-inch tall, with lock pin
$2.95 (Part #4980)
Click for details
Slide potentiometer, 10KAx2, 30mm
Slide potentiometer, 10KAx2, 30mm
For Volume
$16.95 (Part #3337)
Click for details
Slide potentiometer, 10KB, 30mm
Slide potentiometer, 10KB, 30mm
For CS1, CS2
$24.95 (Part #3426)
Click for details
Slider knob, white indicator, Yamaha
Slider knob, white indicator, Yamaha
$8.95 (Part #4950)
Click for details
Spring for pitch bend wheel
Spring for pitch bend wheel
$3.95 (Part #4028)
Click for details
Style 27W key, black note
Style 27W key, black note
$10.95 (Part #K27WBL)
Click for details
Style 27W key, note A
$10.95 (Part #K27WA)
Click for details
Style 27W key, note B or E
Style 27W key, note B or E
$10.95 (Part #K27WBE)
Click for details
Style 27W key, note C or F
Style 27W key, note C or F
$10.95 (Part #K27WCF)
Click for details
Style 27W key, note D
Style 27W key, note D
$10.95 (Part #K27WD)
Click for details
Style 27W key, note G
$10.95 (Part #K27WG)
Click for details
Style 27W key, top C note
$12.95 (Part #K27WC8)
Click for details