Mercury Epiphone Valve Junior User Manual

Epiphone Valve Jr.•Mercury Upgrade Kit 7
ThisprojectanditsdocumentationistheresultoftechnicalinvestigationsmadebytheengineeringstaffofMercury Magnetics.Thedisclosureoftheinformationhereinmaypertaintoproprietaryrightsand
thefurnishingofthesedocumentsdoesnotconstituteanexpresedorimpliedlicensetousesuchmaterials.
Parts List
YourMercuryUpgrade KitfortheEpiphone Valve Jr.(Version2or3PCBs)includesthesecomponents.
Transformers:
• MercuryAxiomPowerTransformer(part#:EPJR-P)............................................................................................... 1
• MercuryAxiomOutputTransformer(part#:EPJR-OM)4,8&16Woutputs............................................................ 1
• MercuryAxiomMini-Choke(part#:EPJR-C-3H)...................................................................................................... 1
Capacitors:
• 10mF25Vor50Velectrolytic(radial)................................................................................................................................ 1
• 22mF40Velectrolytic(axial)............................................................................................................................................. 1
• 22mF450Velectrolytic(axial).......................................................................................................................................... 2
• 22mF450Velectrolytic(radial).......................................................................................................................................... 2
• 270rFsilvermica.............................................................................................................................................................. 1
• 680rFsilvermica.............................................................................................................................................................. 1
Resistors:
• 100KW½Wcarbonlm..................................................................................................................................................... 2
• 220KW½Wcarbonlm..................................................................................................................................................... 1
• 470KW½Wcarbonlm..................................................................................................................................................... 1
• 1.5KW½Wcarbonlm...................................................................................................................................................... 2
• 1MW½Wcarbonlm........................................................................................................................................................ 1
• 470W2Wameproof........................................................................................................................................................ 1
• 3.3KW2Wameproof......................................................................................................................................................1
Misc. Components:
• CD-ROMwithphotographicinstructions(withschematics)............................................................................................. 1
• Jackinsulatorstoisolateinputjack..................................................................................................................................2
• Stand-offconnector,nut,washer&bolt...................................................................................................................... 1set
• 8-pintubesocket............................................................................................................................................................... 1
• 8-32—1/4”bolts,washers,lockingwashers&nuts(formountingthechoketothechassis)...................................2sets
• 8-32—1/2”bolts,washers,lockingwashers&nuts(formountingPTandOT)........................................................6sets
• 6”coilofUNSHIELDIEDbusswire.............................................................................................................................1coil
• 6”coilofwireinsulation“spaghetti”............................................................................................................................1coil
• 12”coilsofinsulatedblack,white,yellow,redandbluewire...................................................................................5coils
• Mercurymetalbadge.................................................................................................................................................... 1
• Mercuryguitarcasesticker........................................................................................................................................... 1
Alan’s 6V6 option components:InadditiontothestandardMercury Upgrade,youmayalsowanttoinstallAlan’s
6V6 option.It’sfairlysimpletodo,butrequiresaddingasockettothecircuit(anotherholeinthechassis).Thereisa
specialsectionofthismanualdedicatedtomakingAlan’s 6V6 option.Hereisthelistofcomponentsincludedwith
thiskit(6V6tubeNOTincluded)–
• 220KW½Wresistor(carbonlm)..................................................................................................................................... 1
Anti-squeal option:Ownersofsome,butnotall,Version3PCBampshavereportedanunusual“squeal”emittingfrom
theiramps.ThisrandomnoiseseemstoberelatedtothequalityoftheChinesecomponents.Werecommendthat
youDONOTinstallthisoptionunlessyouexperiencethisphenomenon.Thereisaspecialsectionofthemanual
dedicatedtoinstallingthisoption.Hereisthelistofcomponents(includedwiththekit)–
• 220KW½Wresistor(carbonlm)..................................................................................................................................... 1
• 47rFcapacitor(ceramicdisk)........................................................................................................................................... 1
Extra components note:Eachkitincludescomponentsforall3versionsoftheValve Junior’sPCB.However,only
thecomponentsyouneedforaVersion2and3PCBsUpgradearelistedabove(andonthenextpage).
IMPORTANT NOTE REGARDING VERSION 3 AMP ON/OFF SWITCHES:Donotattempttodisconnecttheleads
fromtheON/OFFswitchofyouramp.Wehavereceivednumerouskit-builderreportsthatanyoftheON/OFFswitches
literallyfallapartwithanyattempttodisconnecttheirleads!Instead,cutthewiressothatyoucanusewireconnectors.
We’reworkingonabettersolution.Butfornow,justcuttheleadssothattheycanbereconnectedwithwireconnectors.

Mercury Epiphone Valve Junior Specifications

General

Brand	Mercury
Model	Epiphone Valve Junior
Category	Amplifier
Language	English