PEAVEY Classic-30

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

Peavey^® Classic 30	View the Repair
Replacing a Power Supply Resistor	View the Repair



This Peavey Classic-30 guitar amplifier was producing no sound when it came into the shop.
	Troubleshooting discovered an open power resistor, R58, which conducts current to the EL84 screen grids and to all the preamp tubes.

View the Repair >

Peavey Classic 30 schematic.


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