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Yamaha SY99

Released in 1991

The SY99 is a 76-note workstation synth with a 16-track sequencer, with both FM and wavetable sounds. A resonant multistage filter and two effects processors make this a powerful instrument.

Yamaha SY99
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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.

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Aftertouch board, Yamaha
Aftertouch board, Yamaha
$24.95 (Part #12433)
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Aftertouch strip, 76-note
Aftertouch strip, 76-note
$49.95 (Part #1837)
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Badge, Yamaha SY99
Badge, Yamaha SY99
$21.95 (Part #12515)
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Battery, 3V lithium
Battery, 3V lithium
$7.95 (Part #4311)
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Belt, for disk drive
Belt, for disk drive
$10.95 (Part #3223)
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Button set, cursor, lower, Yamaha
Button set, cursor, lower, Yamaha
$7.95 (Part #6963)
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Button set, cursor, upper, Yamaha
Button set, cursor, upper, Yamaha
$7.95 (Part #6962)
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Button set, numeric keypad, Yamaha
Button set, numeric keypad, Yamaha
$16.95 (Part #6958)
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Button, Yamaha
Button, Yamaha
$2.95 (Part #5595)
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Connector board, Yamaha SY99
Connector board, Yamaha SY99
$29.95 (Part #10378)
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Disk drive
Disk drive
$79.95 (Part #3026)
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Display bezel, Yamaha
Display bezel, Yamaha
$10.95 (Part #5592)
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Display, Yamaha
Display, Yamaha
$64.95 (Part #5596)
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Encoder knob, 44mm, Yamaha
Encoder knob, 44mm, Yamaha
$9.95 (Part #4971)
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End cap, left, Yamaha
End cap, left, Yamaha
$49.95 (Part #6960)
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End cap, lower left, Yamaha
End cap, lower left, Yamaha
$18.95 (Part #6238)
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End cap, lower right, Yamaha
End cap, lower right, Yamaha
$18.95 (Part #11748)
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End cap, right, Yamaha
End cap, right, Yamaha
$31.95 (Part #6961)
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Jack board, Yamaha SY99
Jack board, Yamaha SY99
$44.95 (Part #10375)
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Key contact assembly, 12-note
Key contact assembly, 12-note
$49.95 (Part #4679)
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Key contact assembly, 7-note
Key contact assembly, 7-note
$29.95 (Part #1147)
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Key contact assembly, 9-note
Key contact assembly, 9-note
$39.95 (Part #3898)
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Key contact board assembly, 33-note, Yamaha
Key contact board assembly, 33-note, Yamaha
$59.95 (Part #6216)
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Key contact board assembly, 43-note, Yamaha
Key contact board assembly, 43-note, Yamaha
$69.95 (Part #6215)
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Key retention clip, 76-note keyboard
Key retention clip, 76-note keyboard
$21.95 (Part #6181)
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Key return flat spring
Key return flat spring
$0.75 (Part #KEYSPA)
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Key return springs, set of 10
Key return springs, set of 10
$5.95 (Part #KEYSPAX)
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Main board (DM1), Yamaha SY99
Main board (DM1), Yamaha SY99
$149.95 (Part #10372)
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Main board (DM2), Yamaha SY99
Main board (DM2), Yamaha SY99
$149.95 (Part #10373)
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Memory card board, Yamaha
Memory card board, Yamaha
$27.95 (Part #10376)
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Memory card guide, Yamaha
Memory card guide, Yamaha
$12.95 (Part #4970)
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MIDI board, Yamaha SY99
MIDI board, Yamaha SY99
$39.95 (Part #10374)
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Panel board, left, Yamaha
Panel board, left, Yamaha
$64.95 (Part #12710)
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Panel board, right, Yamaha
Panel board, right, Yamaha
$59.95 (Part #5590)
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Phone jack, 1/4-inch, 3-pin PCB mount
Phone jack, 1/4-inch, 3-pin PCB mount
For L/Mono Output, Sustain, Foot Sw
$10.95 (Part #4334)
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Phone jack, 1/4-inch, 3-pin PCB mount
Phone jack, 1/4-inch, 3-pin PCB mount
For Phones
$10.95 (Part #4178)
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Phone jack, 1/4-inch, 4-pin PCB mount
Phone jack, 1/4-inch, 4-pin PCB mount
For Foot Volume, Foot Cont
$10.95 (Part #4177)
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Phone jack, 1/4-inch, 5-pin PCB mount
Phone jack, 1/4-inch, 5-pin PCB mount
For Output 2 L/R
$10.95 (Part #1983)
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Phone jack, 1/4-inch, stereo, 9-pin PCB mount
Phone jack, 1/4-inch, stereo, 9-pin PCB mount
For Right Output 1/1+2
$10.95 (Part #3410)
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Phone jack, mini, 4-pin PCB mount
Phone jack, mini, 4-pin PCB mount
For Breath Controller
$8.95 (Part #1840)
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Pitch bend/mod wheel rubber, Yamaha
Pitch bend/mod wheel rubber, Yamaha
$3.95 (Part #7122)
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Pitch bend/mod wheel, Yamaha
Pitch bend/mod wheel, Yamaha
$9.95 (Part #4963)
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Pitch bend/mod wheels assembly, Yamaha
Pitch bend/mod wheels assembly, Yamaha
$39.95 (Part #12436)
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Potentiometer, 10KA rotary
Potentiometer, 10KA rotary
For Click Volume
$8.95 (Part #2646)
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Potentiometer, 10KB rotary
Potentiometer, 10KB rotary
For Mod wheel 1 only
$9.95 (Part #3479)
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Potentiometer, 10KB rotary with center detent and center tap
Potentiometer, 10KB rotary with center detent and center tap
For Mod 2 wheel only
$11.95 (Part #3750)
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Potentiometer, 1KB rotary
Potentiometer, 1KB rotary
For Contrast
$8.95 (Part #1798)
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Power cord, 2-conductor, non-detachable
Power cord, 2-conductor, non-detachable
$9.95 (Part #12711)
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Power supply board, Yamaha
Power supply board, Yamaha
$59.95 (Part #10371)
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Power switch cap, black, round
Power switch cap, black, round
$7.95 (Part #3102)
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Power switch, pushbutton
Power switch, pushbutton
$12.95 (Part #3791)
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Pushbutton tact switches, 4.3mm, pkg of 10
Pushbutton tact switches, 4.3mm, pkg of 10
$11.95 (Part #3130X)
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Rubber foot, 5/8-inch tall
Rubber foot, 5/8-inch tall
$2.95 (Part #6617)
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Slide potentiometer, 10KAx2, 30mm
Slide potentiometer, 10KAx2, 30mm
For Volume (Output 1, 2)
$19.95 (Part #3337)
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Slide potentiometer, 10KB, 30mm
Slide potentiometer, 10KB, 30mm
For Data entry
$24.95 (Part #3426)
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Slider knob, white indicator, Yamaha
Slider knob, white indicator, Yamaha
$8.95 (Part #4950)
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Spring for pitch bend wheel
Spring for pitch bend wheel
$3.95 (Part #4028)
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Stop ring, pitch wheel spring
Stop ring, pitch wheel spring
$2.95 (Part #7697)
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Style 27W key, black note
Style 27W key, black note
$11.95 (Part #K27WBL)
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Style 27W key, bottom E note
Style 27W key, bottom E note
$19.95 (Part #K27WEB)
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Style 27W key, note A
Style 27W key, note A
$11.95 (Part #K27WA)
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Style 27W key, note B or E
Style 27W key, note B or E
$11.95 (Part #K27WBE)
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Style 27W key, note C or F
Style 27W key, note C or F
$11.95 (Part #K27WCF)
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Style 27W key, note D
Style 27W key, note D
$11.95 (Part #K27WD)
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Style 27W key, note G
Style 27W key, note G
$11.95 (Part #K27WG)
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Style 27W key, top G note
Style 27W key, top G note
$18.95 (Part #K27WGT)
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Transformer, Yamaha (100V)
Transformer, Yamaha (100V)
$44.95 (Part #10379)
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Transistor, 2SC2878
Transistor, 2SC2878
$1.95 (Part #8149)
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