Mercury Epiphone Valve Junior User Manual

Epiphone Valve Jr.•Mercury Upgrade Kit 19
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.
T7 T8 T9
T3
V2
V1
T10 T11
T12
GND
C6
C9
C7
C8
T1
T2
D3
T4
T5
R10
R11
T6
B1
C12
D4
D1 D2
IN
G
IN S10 G
VALVE JUNIOR
VER051122
HBO1570
9
8
7
6
5
4
3
2
1
1
9
8
7
6
5
4
3
2
1
1
R12
R14
C3
C5
JP3
C4
R2
R15
R5
R4
R3
C1
R13
R1
R8
JP1
JP2
R9
R6
R7
C2
C11
68KΩ
(V2) 68KΩ
(V3) 1MΩ
100KΩ
100KΩ
10KΩ
4.7KΩ
220Ω
220KΩ
220KΩ
220Ω
1.5KΩ
(V2) 2.2KΩ
(V3) 1.5KΩ
(V2) 2.2KΩ
(V3) 1.5KΩ
1MΩ
1MΩ
22µF
22µF
(V2) 4700µF
(V3) 470µF
22µF 22µF 22µF
22µF
22µF
.022µF
.022µF
.1µF
VERSION: 05-09-06 (original)
6V6 REV. 07-28-08 (updated)
www.MercuryMagnetics.com
www.Amp-Exchange.com
Valve Jr. • STOCK MAIN PCB
(VERSIONS 2 & 3)
Copyright © 2008 by Mercury Magnetics. All Rights Reserved. Mercury Magnetics, 6V6 Mod and Mercury Upgrade are trademarks of Mercury Magnetics.
Epiphone is a registered trademark of Gibson Guitar Corp. or its subsidiaries. Mercury Magnetics is not affiliated with Gibson Guitar Corp.
Note: This is a reference diagram. To date, Epiphone has released 3 versions of the Valve Jr. This diagram shows the Main PCB of
Versions 2 & 3. The value changes from Version 2 to 3 are indicated in RED. Also note that Version 3’s PCB is DARK BROWN and
not GREEN in color.

Mercury Epiphone Valve Junior Specifications

General

Brand	Mercury
Model	Epiphone Valve Junior
Category	Amplifier
Language	English