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repair stories

• • • • • • • • •


AMPS

Ampeg
  SVT Classic Shuts Off
Fender
  DeVille Input Jack
  Mini-Twin Conversion
  Super Twin Inspection
Kay
  703-C Filter Caps
Marshall
  DSL100 Choke & Bleed
Peavey
  6505+ Tube Filaments
  Classic-30 Repair
Selmer
  Little Giant Mk 3
Vox
  Valvetronix AD50VT

KEYBOARDS

Akai
  MPC2000XL Jog Wheel
Farfisa
  Mini Compact Dividers
Korg
  01/W Keybed Removal
  M1 Worn-Out Buttons
  Poly-61 Envelopes
  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


Fender® Super-Twin    Intermittent Volume

Fender Super Twin chassis

The owner of this Fender Super Twin guitar amplifier complained of a slight, intermittent change of volume.

This photo is a long-shot of the source of the problem.

Volume Pot; Capacitor; Bright Switch

Here you see one lead of the Bright-Switch capacitor (it's mustard colored) flirting with the front panel of the chassis.

Loosened Solder Point

The capacitor lead wiggled out of its solder point on the adjacent Volume potentiometer.

The pot's front-panel control nut was loose, allowing the pot to spin and eventually break free of the capacitor.

Fender® is a registered trademark of  Fender® Musical Instruments Corporation.

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