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DIEZEL VH4S SIMULATION Channel OD 3/4 V 1.21(‘)
Reproduction forbidden on other message boards and websites without the permission of the author. Non commercial use only.
Suivi du projet : http://www.techniguitare.com/forum/viewtopic.php?t=7386
NOMENCLATURE DES COMPOSANTS Résistances :
� R1 1M
� R2 68k
� R3 4k7
� R4 470k
� R5 220k
� R6 220k
� R7 2k2
� R8 470k
� R9 1M
� R10 20k
� R11 470R
� R12 100K
� R13 220k
� R14 2k2
� R15 220R
� R16 10k
� R17 39k
� R18 22k
� R19 120k
� R20 56k
� R21 39k
� R22 220k
� R23 33K
� R24 47k
� R25 220k
� R26 470R (Note 1)
� R27 10k
� R28 10k
Ajustables :
� AJ1 100k trimpot � AJ2 100k trimpot � AJ3 470k trimpot � AJ4 100k trimpot
Diodes :
� D1 1N4148 � D2 1N4148 � D3 1N4004
Condensateurs :
� C1 470pf
� C2 220pf
� C3 1µf/6.3V
� C4 10nf
� C5 470pf
� C6 100pf
� C7 47pf
� C8 220pf
� C9 1µf/6.3v
� C10 47nf
� C11 100µf/16V
� C12 6.8nf
� C13 470pf
� C14 1nf
� C15 3,3nf
� C16 47pf
� C17 100pf
� C18 220pf
� C19 1µf/6.3V
� C20 100µf/16V
� C21 680pf
� C22 22nf
� C23 22nf
� C24 1nf
� C25 3.3nf
� C26 100nf
� C27 1nf
� C28 220pf (Note 2)
� C29 22nf
� C30 22nf
� C31 100nf
� C32 100pf
� C33 1nf
� C34 10µf/16V
� C35 6.8nf
� C36 1nf
� C37 470pf (Note 2)
IC's & JFet:
� U1 TL072P
ou équivalent
� Q1 J201
� Q2 J201
� Q3 J201
� Q4 J201
� Q5 J201
Potentiometres :
� P1 100k log [GAIN]
� P2 250k lin [TREBLE]
� P3 1M log [BASS]
� P4 25k lin [MIDDLE]
� P5 25k lin [PRESENCE]
� P6 5k lin [DEEP] (Note 3)
� P7 100k log [VOLUME]
Divers :
� 2 straps
� J1 connexion 2 points
� J2 connexion 2 points
� J3 connexion 2 points
� J4 connexion 2 points
� J5 connexion 2 points
� J6 connexion 2 points
� J7 connexion 2 points
� JP1 Switch 1 vers 2 (Note 2)
Notes
(1) led 3,1V 20ma => R=(12-3.1)/0.02 = 445 => 470R soit I=(12-3.1)/470=0,019A
(2) Pour une utilisation avec switch en façade. Vous pouvez ne monter que C28 et strapper JP1
(3) 10k lin possible
DIEZEL VH4S SIMULATION Channel OD 3/4 V 1.21(‘)
Reproduction forbidden on other message boards and websites without the permission of the author. Non commercial use only.
1M
R1
Fx In
GND
220KR5
68KR2
4K
7R
3
GND
220pFC2
AJ1
100K
1µ
F/1
6V
C3
GND
10nFC4
470pFC5
470KR4
100K logP1
DR
IVE
GA
IN
GND
D1
1N
41
48
D2
1N
41
48
GND
47
0p
FC
1
GND
220KR6
220pFC8
2K
2R
7
GND
1µ
F/1
6V
C9
GND
47
pF
C7
GND
100pFC6
AJ2100K
47nFC10
470pFC13
470KR8
GND
1M
R9
100µ
F/2
5V
C1
1
6,8
nf
C1
2
GND GND
20
KR
10
GND
AJ3
470K
1nf
C1
4
470RR11
3,3nfC15
10
0K
R1
2
220KR13
GND
220pFC18
10
0p
FC
17
GND
47pFC16
2K
2R
14
GND
1µ
F/1
6V
C1
9
GND
AJ4100K
100µ
F/2
5V
C2
0
GND
220RR15
D3
1N4
00
4
GND
+12V
10
KR
16
GND
A
A680pF
C21
39
KR
17
22
nF
C2
2
22nFC23
TR
EB
LE 25
0K
lin
P2
1M
log
P3
25
K li
nP
4B
AS
SM
IDD
LE
1n
FC
24
GND
22
KR
18
3,3
nFC
25
25
Klin
P5
PR
ES
EN
CE
GND
100nFC26
120KR19
56
KR
20
39KR21
+Vref
1n
FC
27
22
0p
FC
28
GND
13
2
U1A
TL072ACJG
84
75
6
U1B
GND
+12V
220KR22
33
KR
23
47KR24
22nFC29
22nFC30
GND
5K
BP
6
DE
EP
100nFC31
100pFC32
220KR25
10
0K
log
P7
GND
DR
IVE
VO
LUM
E
FX Out
1nFC33
(*)
R2
6LD
1
GND
+12V
10
KR
27
10
KR
28
GND GNDGND
+Vref
6,8
nF
C3
5
10
µF
/16
VC
34
V1Vis
V2Vis
V3Vis
V4Vis
GND GND GND GND
FX OutFx In
AJ-
1
AJ-
2
AJ-
4
AJ-
3
AJ-
1
AJ-
2
AJ-
4
AJ-
3
1 2
J2
1 2
J3
1 2
J4
1 2
J5
GND
12
J1
12
J6
GNDGND
12
J7
GND
+12V
2
1
3
Q1J201
2
1
3
Q2J201
2
1
3
Q3J201
2
1
3
Q4J201
2
1
3
Q5J201
1n
FC
36
47
0p
FC
37
JP1
BIAS: 6V
