Technics SX-PX55
The SX-PX55 is a digital home piano with an 88-note hammer-action keyboard.

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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.

Button set, 2- buttons, Technics
$5.95 (Part #8003)
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$5.95 (Part #8003)

Button set, 3-buttons, Technics
$6.95 (Part #8004)
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$6.95 (Part #8004)

Button set, 5 buttons, Technics
$7.95 (Part #8005)
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$7.95 (Part #8005)

Button set, 6 buttons, Technics
$8.95 (Part #8006)
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$8.95 (Part #8006)

Button, Technics
$4.95 (Part #8002)
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$4.95 (Part #8002)

Cheek block, Technics
$9.95 (Part #8016)
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$9.95 (Part #8016)

Circuit board, QJBG2047, Technics
$14.95 (Part #8010)
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$14.95 (Part #8010)

Circuit board, SUPG1460, Technics
$44.95 (Part #8018)
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$44.95 (Part #8018)

Clip for keyboard contact board
$0.75 (Part #4348)
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$0.75 (Part #4348)

Contact strip, 4-note, Technics
$5.95 (Part #8007)
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$5.95 (Part #8007)

Contact strip, 8-note, Technics
$9.95 (Part #8001)
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$9.95 (Part #8001)

DIN socket, 8-pin
$6.95 (Part #1972)
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$6.95 (Part #1972)

Headphones board, Technics
$14.95 (Part #8011)
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$14.95 (Part #8011)

IC, 74HC04 hex buffer
$2.95 (Part #2272)
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$2.95 (Part #2272)

IC, 74HC4051E multiplexer switch
$2.95 (Part #3301)
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$2.95 (Part #3301)

IC, 74LS138 decoder/demultiplexer
$3.95 (Part #3251)
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$3.95 (Part #3251)

IC, 74LS174 flip-flop
$2.95 (Part #3149)
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$2.95 (Part #3149)

IC, M5218L or M5218AL op amp
$4.95 (Part #8177)
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$4.95 (Part #8177)

IC, M5220L op amp
$9.95 (Part #8255)
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$9.95 (Part #8255)

IC, PCM54HP D/A converter
$11.95 (Part #5707)
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$11.95 (Part #5707)

Key contact board, 44-note, Technics
$44.95 (Part #8022)
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$44.95 (Part #8022)

Key contact board, 44-note, Technics
$44.95 (Part #8023)
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$44.95 (Part #8023)

LED assembly, Technics
$9.95 (Part #8015)
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$9.95 (Part #8015)

Main board, Technics SX-PX55
$89.95 (Part #8008)
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$89.95 (Part #8008)

Panel board, Technics
$29.95 (Part #8021)
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$29.95 (Part #8021)

Phone jack, 1/4-inch, 3-pin PCB mount
For all rear panel jacks
$12.95 (Part #4546)
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For all rear panel jacks
$12.95 (Part #4546)

Phone jack, 1/4-inch, 7-pin PCB mount
For Headphones
$10.95 (Part #3634)
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For Headphones
$10.95 (Part #3634)

Power supply/amp board, Technics
$54.95 (Part #8009)
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$54.95 (Part #8009)

Power switch assembly, Technics
$14.95 (Part #8012)
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$14.95 (Part #8012)

Power switch cap, Technics
$5.95 (Part #8014)
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$5.95 (Part #8014)

Power switch, pushbutton
$10.95 (Part #3792)
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$10.95 (Part #3792)

Slider knob, Technics
$5.95 (Part #8019)
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$5.95 (Part #8019)

Speaker, Technics
$14.95 (Part #8020)
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$14.95 (Part #8020)

Technics badge
$7.95 (Part #8013)
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$7.95 (Part #8013)

Transformer, Technics
$39.95 (Part #8017)
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$39.95 (Part #8017)

Voltage regulator, 7815
Uses insulated tab
$3.95 (Part #2321)
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Uses insulated tab
$3.95 (Part #2321)

Voltage regulator, 78L05
$2.95 (Part #2339)
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$2.95 (Part #2339)

Voltage regulator, 7915
$3.95 (Part #3415)
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$3.95 (Part #3415)