VOX Amplification LTD AC30S1 Service Manual page 6

1 2
HDC+
R113
C104
NF
NF C101 C93
GND1
D15 NF 3300uF 16V
A
NF
HDC-
H1 H1b
H2 H2b
B+2 P19 P13 B+2b
1 3
2 2
3 1
Header 3 - Wide Header 3 - Wide
TO EL84 PCB FROM MAIN PCB
B
B+2b
R51
R26 470R 1/2W
3K3
9
2
V6
Tube EL84
C
R115
220K
P10
1
2
3
Header 3 - Wide
R116
FROM PREAMP OUT P22
220K
GNDb
V4
Tube EL84
2
9
R91
3K3 R93
470R 1/2W
D
1 2
3 4
H1
C97
D14
3300uF 16V
B+3
KBU4A
C98
3300uF 16V
H2
P23 NOT FITTED
1 GND
2 D5
Header 2
From CPU
-15V +5V U3
NF
3
OUT IN
P7
GND
1
C83
NJM7805
2
100uF 16V
3
To ErP board
FITTED FOR ErP VERSION ONLY
GND1
P8 Header 3 - Wide
TO FX S/R P6
-15V +5V
+15V TWIST OPTX WIRES
B+1
R77
R61 470R 1/2W
3K3
9
2
V5
Tube EL84
H1b J2
H2b
1/4" Spade
C71
J6
1/4" Spade
220uF 50V
J5
R75
1/4" Spade
47R 10W
V3
2
Tube EL84
GNDb
9
R95
3K3 R103
470R 1/2W
3 4
5
C1061nF 1kV
C103 1nF 1kV
B+2 B+1 310V D13 D17
R87 R114
1N4007 1N4007
22K 1W 1K 10W
!
C60 C88
D12 D16
T500mAL 250V
1N4007 1N4007
H1
C102 1nF 1kV C105 1nF 1kV
NT1 R88 82R 2W
GND1
+15V D10
R92 68R 1/2W
1N4007
1
D7
15V 1.3W
!
D6
15V 1.3W
D9
R94
180R 1/2W
-15V
1N4007
ErP Version: R94 = 22R 1/2W
non-ErP Version: R94 = 180R 1/2W
!
P17
TRANS1 TRANS1 J7
1/4" Spade
BPJ-BBB-MONO
P16
R110
1/4" Spade
OP TX OP TX
Ferrite
Chassis_OUT
P15 P14
LS1
!
16ohm Speaker
Drawing Number:
VD-A30034
CHANGE HISTORY
4-1 23/07/18 Remove D8 and D11
4 11/07/18 Change R98 from 2.2Meg to 100K
3 29/05/18
Add C36
Issue Date Change
5
6 7
ARCOLECTRIC 3900BA
POWER SWITCH
!
T1 S1
~250V 1
P20
S2
1 3
1
0V 2
2
3 3
3
F3 0.156"
ARCOLECTRIC 3900BA
STANDBY SWITCH
~250V
P21
1
6.3V~
F2 2
0.156"
H2
T6.3AL/250V
!
P12
13.5V~
1
2
F4
0.156"
0R47 Fusible
!
Designed By: Checked By: Date:
P Scarffe D Clarke 15-Aug-18
PS VOX Amplification ltd.
1 Harrison Close
PS
Knowlhill
Title
PS Milton Keynes
X-16709 AC30S1 Power
Bucks, MK5 8PA
Signed
6 7
8
!
SCK15105MSY
SURGE GUARD 1
!
F1
2 1
L
3
SCK15105MSY E
2
SURGE GUARD 2
N
!
A
!
Chassis Earth
B
C
D
Revision: Sheet
4 of 4
ISS4-1
8