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Amps
Ampeg
SVT CLASSIC
• shuts off
SVT-VR
• won't balance
Epiphone
Electar-Zephyr
• tubes
• capacitors
Fender
DEVILLE
• bad input jack
MINI-TWIN
• convert to stompbox
PRINCETON 5F2-A
• re-cap
SUPER CHAMP
• replacing AC inlet
SUPER TWIN
• intermittent volume
VIBRO CHAMP
• shock prevention
Kay
703-C
• re-cap
Marshall
DSL100
• choke & o.t. install
Montgomery Ward
VALCO 62-9033
• 6973 tube substitute
• broken trem. control
Peavey
6505+
• tube filaments
CLASSIC-30
• power resistor
Selmer
LITTLE GIANT MK 3
• loose transformer
Vox
AD50VT
• power resistor
VALVETRONIX
• pot replacement
Keyboards
Akai
MPC2000XL
• bad jog wheel
Casio
PRIVIA PX-130
• broken power jack
E-Mu
VINTAGE KEYS
• broken volume pot
Ensoniq
SQ-2
• battery change
Farfisa
MINI COMPACT
• divider problems
Korg
01/W
• keybed removal
KARMA
• key contacts
KRONOS
• key clacking
M1
• worn-out buttons
POLY-61
• envelope problems
• battery upgrade
SV-1
• removing the keybed
• removing the keys
• replacing the tube
TRITON
• disassembly
TRITON
• worn-out buttons
X3
• floppy drive belt
X3
• worn-out buttons
KEYS & CONTACTS
• m1, 01w, i2, i30, t3
• triton, trinity, oasis...
Kurzweil
PC88
• worn-out buttons
M-Audio
KEYSTATION
• broken USB jack
Moog
MICROMOOG
• dirty keys & controls
• contour problems
• calibration & tuning
MINIMOOG
• key bushings
PRODIGY
• key contact cleaning
ROGUE
• broken power jack
Roland
D-50
• key contact cleaning
JUNO-60
• battery upgrade
• key contacts
JUNO-106
• 3-prong AC jack
TR-808
• cracked ribbon cable
• worn-out switches
• new battery holder
Sequential Circuits
PRO-ONE
• key contact cleaning
Vox
CONTINENTAL
• key contact cleaning
• drawbar problems
• new panel switches
Yamaha
DGX-530 / YPG-535
• no sound
MOTIF 6 & 7
• disassembly
MOTIF 6 & 7
• worn-out buttons
SY77
• battery change
KEYS & CONTACTS
• motif 6/7, w5, kx76,
• dx7, sy77/85/99 ...
Technique
• IC Sockets
• Phone Plugs

Casio® Privia® PX-130 View
the
Repair
Broken Power Jack
Casio PX-130

The Casio Privia PX-130 was introduced in 2009.  The 25 pound, 88 key, Tri-sensor scaled, hammer-action piano was the first entry-level Privia with "Linear Morphing", a technology that helps the concert grands, for example, to transition smoothly from soft pianissimos to powerful fortissimos.

This particular PX-130 came into the shop with a broken power jack that prevented the connection of the keyboard's power adapter.

 

Damaged power jack

Here you see the broken power jack.

Power jack replaced

This is the newly installed Co-ax jack.

Co-ax connectors have a conducting tube around an insulated center contact.

Unlike many co-ax jacks, this jack has a female center contact ‒ the power cord's plug has the male pin.


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