repair stories
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AMPS
Fender DeVille Input Jack Mini-Twin Conversion Super Twin Inspection Kay 703-C Filter Caps Marshall DSL100 Choke & Bleed Peavey 6505+ Tube Filaments Selmer Little Giant Mk 3
KEYBOARDS
Akai MPC2000XL Jog Wheel Korg Triton Disassembly Triton Worn-out Buttons X3 Worn-out Buttons X3 Floppy Drive Keys & Contacts: M1, 01W, triton, i30 ... Moog Prodigy Key Contacts Rogue Power Jack Roland D-50 Key Contacts Sequential Circuits Pro-One Key Contacts Yamaha MOTIF6,7 Disassembly MOTIF Worn-out Buttons Keys & Contacts: motif, es, DX7, sy85 ...
TECHNIQUE
IC Socketing Sustain Pedal Plugs
Kay 703-C • 60-Cycle AC Hum
This Kay 703-C guitar amp arrived in the shop with a low-level hum in the background.
Hum can mean that one or more filter capacitors are worn out in the power supply.
This would let a 60 Hertz ripple get past the power supply and into the amplifier.
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