Yamaha PSR-740

Released in 1999

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

Synth
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.

Filter
Category

All
Batteries
Books/Manuals
Cables
Circuit boards
Displays
Electronic Components
Hardware
Jacks & Connectors
Keybed Parts
Keys
Knobs & Buttons
Music Rests
Other
Panel controls
Pedals
Power Adapters
Sounds
Speakers
Transformers
Contact strip, 1-note, Yamaha
Contact strip, 1-note, Yamaha
$8.95 (Part #CS3191)
Click for details
Contact strip, 12-note, Yamaha
Contact strip, 12-note, Yamaha
$12.95 (Part #CS3190)
Click for details
DIN socket, 8-pin
DIN socket, 8-pin
To Host
$7.95 (Part #1972)
Click for details
Display assembly, Yamaha
Display assembly, Yamaha
For upper display
$159.95 (Part #2320)
Click for details
Display backlight, Yamaha
Display backlight, Yamaha
For upper display
$69.95 (Part #1808)
Click for details
Encoder
Encoder
$12.95 (Part #3465)
Click for details
Key contact board, 27-note (High), Yamaha
Key contact board, 27-note (High), Yamaha
$24.95 (Part #6479)
Click for details
Key contact board, 34-note (Low), Yamaha
Key contact board, 34-note (Low), Yamaha
$29.95 (Part #6478)
Click for details
Keybed cushion, 61-note
Keybed cushion, 61-note
Keys press down against this
$9.95 (Part #1059)
Click for details
Keyboard controller board, Yamaha
Keyboard controller board, Yamaha
$45.95 (Part #6475)
Click for details
Knob, black, Yamaha
Knob, black, Yamaha
For Master Volume
$7.95 (Part #3181)
Click for details
Knob, Yamaha
Knob, Yamaha
For Input Volume
$8.95 (Part #2032)
Click for details
Music rest, Yamaha
Music rest, Yamaha
$39.95 (Part #3436)
Click for details
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)
Click for details
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)
Click for details
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)
Click for details
Pitch bend/mod wheel, Yamaha
Pitch bend/mod wheel, Yamaha
$9.95 (Part #2322)
Click for details
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)
Click for details
Power inlet jack
Power inlet jack
$6.95 (Part #3062)
Click for details
Power switch cap, red
Power switch cap, red
$9.95 (Part #1224)
Click for details
Power switch, pushbutton
Power switch, pushbutton
$11.95 (Part #2176)
Click for details
Pushbutton tact switch, 5mm, 2-pin
Pushbutton tact switch, 5mm, 2-pin
$1.95 (Part #4478)
Click for details
Pushbutton tact switches, 5mm, pkg of 10
Pushbutton tact switches, 5mm, pkg of 10
$11.95 (Part #4478X)
Click for details
Rubber foot, self-adhesive
Rubber foot, self-adhesive
$1.95 (Part #3433)
Click for details
Speaker, 12cm, Yamaha
$34.95 (Part #1807)
Click for details
Style 59U key, top C note
Style 59U key, top C note
$9.95 (Part #K59UC8)
Click for details
Style 59U keys, black notes group
Style 59U keys, black notes group
$12.95 (Part #K59UBL)
Click for details
Style 59U keys, C-E-G-B group
Style 59U keys, C-E-G-B group
$13.95 (Part #K59UC)
Click for details
Style 59U keys, D-F-A group
Style 59U keys, D-F-A group
$12.95 (Part #K59UD)
Click for details