Vox AC10C1 Service Manual

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C C
B B
A A
1
VOX Amplification ltd.
1 Harrison Close
Knowlhill
Milton Keynes
Bucks, MK5 8PA1
AC10C1
VD-A20011 PR2
29/01/2015 17:17:22
V:\Altium\AC10\AC10_Reverb_2.SchDoc
Title
Size: Number:
Date:
File:
Revision:
Sheet ofTime:
A2
Author:
Checked By:
P.Scarffe
D. Clarke
Issue Reason for change Date Revised by
DGND
VCC
1
P50/AN22
2
P51/AN23
3
P52/AN24
4
P39
5
P3A
6
P3B
7
P3C
8
P3D
9
P3E
10
P3F
11
VSS
12
P10
25
P11/AN01
26
P12/AN02
27
AVSS
28
P14/AN04
29
P15/AN05
30
AVCC
31
AVRH
32
AVRL
33
P23/AN12
34
P22/AN13
35
P21/AN14
36
U4
MB9BF124KPMC
R46
NF
ERP_SW
AGND
+5Vb
SWDIO
PWR_CONTROL
SWCLK
DAC_ADJ
DGND
CPU_RESET
SWCLK
SWDIO
R57
100K
+5Vb
R56
10K
+5Vb
R47
10K
+5Vb
R45
NF
CPU DEBUG
R44
47K
+5Vb
12MHz
X1
C28
22pF
C23
22pF
DGND
R43
100K
D
G
N
G
G
D
V
CC
1
P5
0
/
A
/
/
N
A
A
2
2
2
P5
1
/
A
/
/
N
A
A
2
3
3
P5
2
/
A
/
/
N
A
A
2
4
4
P3
9
5
P3
A
6
P3
B
7
P3
C
8
P3
D
9
P3
E
1
0
P3
F
1
1
V
SS
1
2
P1
0
2
5
P1
1
/
A
/
/
N
A
A
0
1
2
6
P1
2
/
A
/
/
N
A
A
0
2
2
7
A
V
SS
2
8
P1
4
/
A
/
/
N
A
A
0
4
2
9
P1
5
/
A
/
/
N
A
A
0
5
3
0
A
V
CC
3
1
A
V
RH
3
2
A
V
RL
3
3
P2
3
/
A
/
/
N
A
A
1
2
3
4
P2
2
/
A
/
/
N
A
A
1
3
3
5
P2
1
/
A
/
/
N
A
A
1
4
3
6
U
4
MB9
BF1
2
4
K
PMC
K
K
R4
R4
6
NF
NF
E
RP_
SW
A
G
N
G
G
D
+5
V
b
V
V
SW
D
IO
PW
R_
R_
R_
CO
N
T
RO
L
SW
CL
K
D
A
C_
A
C_
C_
D
J
D
G
N
G
G
D
CPU
_
_
RE
SE
T
SW
CL
K
SW
D
IO
R5
7
1
0
0
K
+5
V
b
V
V
R5
R5
6
1
0
K
+5
V
b
V
V
R4
R4
7
1
0
K
+5
V
b
V
V
R4
R4
5
NF
NF
CPU
D
E
BU
G
R4
R4
4
4
4
7
K
+5
V
b
V
V
1
2
MH
z
X
X
1
C2
8
2
2
p
F
C2
3
2
2
p
F
D
G
N
G
G
D
R4
R4
3
1
0
0
K
i 0.2mm Digital clearence
1
2
3
P21
Header 3
ERP_SW
PWR_CONTROL
DGND
SG2 SG3
DGNDAGND
C46
0.1uF
AGNDDGND
C47
0.1uF
AGNDDGND
1
2
3
4
P19
Header 4
DGND
TXD
RXD
+5Vb
MIDI
R53
NF
C29
4.7uF
DGND
R30
9K1 1 %
R29
12K 1 %
R33
75R 1%
R32
24K 1 %
C19
1uF
R28
10K
C20
220pF
BIASb
R36
22K
R39
100K
R38
6K2
BIASb
AGND
+5Vb
1
2
P18
Header 2
1
2
P17
Header 2
AGND
AGND
1
2
3
P22
Header 3
+5VbBIASb
FROM MAIN PCB
AGND
AGND
+5Vb
+5Vb
DAC_ADJ
1
2
3
4
5
P1
Header 5
AGND
+5Vb
AGND
C2
0.1uF
C3
0.1uF
DGNDAGND DGNDAGND
AGND
R2
22K
C8
1000pF
AGND
C6
1000pF
R1
22K
BIASb
+5Vb
AGND
C7
100pF
R3
100K
R5
100K
R4
100K
C9
100pF
BIASb
AGND
+5Vb
AGND
2
3
1
1
U1A
TL064ACD
5
6
7
2
U1B
TL064ACD
8
10
9
3
U1C
TL064ACD14
12
13
4
U1D
TL064ACD
+
C4
10uF 16V
+
C5
10uF 16V
Text
L7
FB
L6
FB
PWR_LED
1
2
P2
Header 2
PWR_LED
R8
1K
+5Vb
R9
1R
NT1
LINK
AGND DGND
ISS1 04.12.2014
SG4
AGND
Removed C39 and C40. Shorted to GND
ISS1

Vox AC10C1 Specifications

General

Power Output	10 Watts
Speaker	1 x 10" Celestion VX10
Preamp Tubes	2 x 12AX7
Power Tubes	2 x EL84
Channels	1
Inputs	1 x 1/4"
Footswitch I/O	No
Type	Tube
Controls	Reverb
Outputs	1 x 1/4" (External Speaker)
Dimensions	20.47 x 8.27 x 16.14 inches
Weight	27.12 lbs