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Yamaha PSR-740

Released in 1999

The PSR-740 Portatone is a 61-note consumer keyboard with built-in speakers.

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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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Contact strip, 1-note, Yamaha
Contact strip, 1-note, Yamaha
$8.95 (Part #CS3191)
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Contact strip, 12-note, Yamaha
Contact strip, 12-note, Yamaha
$12.95 (Part #CS3190)
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DIN socket, 8-pin
DIN socket, 8-pin
To Host
$7.95 (Part #1972)
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Display assembly, Yamaha
Display assembly, Yamaha
For upper display
$149.95 (Part #2320)
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Display backlight, Yamaha
Display backlight, Yamaha
For upper display
$69.95 (Part #1808)
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Encoder
Encoder
$12.95 (Part #3465)
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Key contact board, 27-note (High), Yamaha
Key contact board, 27-note (High), Yamaha
$24.95 (Part #6479)
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Key contact board, 34-note (Low), Yamaha
Key contact board, 34-note (Low), Yamaha
$29.95 (Part #6478)
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Keybed cushion, 61-note
Keybed cushion, 61-note
Keys press down against this
$9.95 (Part #1059)
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Keyboard controller board, Yamaha
Keyboard controller board, Yamaha
$39.95 (Part #6475)
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Knob, black, Yamaha
Knob, black, Yamaha
For Master Volume
$7.95 (Part #3181)
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Knob, Yamaha
Knob, Yamaha
For Input Volume
$8.95 (Part #2032)
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Music rest, Yamaha
Music rest, Yamaha
$39.95 (Part #3436)
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Phone jack, 1/4-inch, 2-pin PCB mount
Phone jack, 1/4-inch, 2-pin PCB mount
For Aux Out (L, L+R)
$10.95 (Part #3869)
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Phone jack, 1/4-inch, 3-pin PCB mount
Phone jack, 1/4-inch, 3-pin PCB mount
For Aux Out R, Sustain
$10.95 (Part #4334)
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Phone jack, 1/4-inch, 7-pin PCB mount
Phone jack, 1/4-inch, 7-pin PCB mount
For Phones, Foot Volume, Mic/Line In
$10.95 (Part #3634)
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Pitch bend/mod wheel, Yamaha
Pitch bend/mod wheel, Yamaha
$9.95 (Part #2322)
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Potentiometer, 10KAx2 rotary
Potentiometer, 10KAx2 rotary
For Master Volume
$9.95 (Part #4163)
Click for details
Potentiometer, 10KB rotary
Potentiometer, 10KB rotary
For Pitch Bend, Modulation
$10.95 (Part #4164)
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Power inlet jack
Power inlet jack
$6.95 (Part #3062)
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Power switch cap, red
Power switch cap, red
$8.95 (Part #1224)
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Power switch, pushbutton
Power switch, pushbutton
$11.95 (Part #2176)
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Pushbutton tact switch, 5mm, 2-pin
Pushbutton tact switch, 5mm, 2-pin
$1.95 (Part #4478)
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Pushbutton tact switches, 5mm, pkg of 10
Pushbutton tact switches, 5mm, pkg of 10
$11.95 (Part #4478X)
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Rubber foot, self-adhesive, 1.5mm
Rubber foot, self-adhesive, 1.5mm
$1.95 (Part #3433)
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Speaker, 12 cm, Yamaha
$14.95 (Part #1807)
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Style 59U key, top C note
Style 59U key, top C note
$9.95 (Part #K59UC8)
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Style 59U keys, black notes group
Style 59U keys, black notes group
$12.95 (Part #K59UBL)
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Style 59U keys, C-E-G-B group
Style 59U keys, C-E-G-B group
$13.95 (Part #K59UC)
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Style 59U keys, D-F-A group
Style 59U keys, D-F-A group
$12.95 (Part #K59UD)
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