2 4
Amplifier/Subwoofer
ARC SUB10/DS-10
ARC SUB10/DS-10 SCHEMATIC
ARC
SUB10/DS-10
Schematic
5
5
4
4
3
3
2
2
1
1
A
A
B
B
C
C
D
D
E
E
F
F
G
G
U1
U1
LM324
C19
100nF
C18
100nF
C20
100nF
R48 6k04
R40
47k
C13
1nF
C15 200uF
C16
200uF
8
10
9
R45
10k
GND
R42
100k
R43
100k
LEVEL
5k
LOG
High
Level
In
RCA
Connector
High
Level
Out
2
3
1
R30 274k
U1
LOP
ASS
CONTROL
100k
Lin
Pot
C10
100nF
C7
2n7F
R57
100k
13
14
12
2
3
1
4
6
5
+15V
-15V
C9 100nF
C17 100nF
R44
10k
Control
HI-P
ASS
/E
Q
LO-P
ASS
LINE
LEVEL
INPUT
R35
332k
R39 6k04
R31
49k9
C14 100nF
R27
24k9
R29
470R
Q2 2N3906
Q1 MPSA13
D8
1N4148
D3
1N4749A
R18 330k
R26
1000k
R22 2k2
R20
4k7
R32 470k
R19 1k
R21
10k
C21
10nF
V+
V-
C25
3n3F
R13 2k
R14
4k7
R10 2k
R12
665r
R36
47k
U1
LM324
R37
22k
R38 47k
R54
100r
R55
100r
R56
100r
R53
100r
DIODE
CLIPPER
BR
RECT
RS604
D6
1N5234B
C8
100nF
R9 3k9
R46
47r
D10
1N4744A
D9
1N4744A
C4
100nF
C5
100nF
D1
1N5256B
R1
2200k
R16 820r
C12
10uF
R2 8k45
C3
100nF
R3 33k2
L2
2.2uH
L1
110uH
C6
10uF
C24 100nF
R15
100k
R4B 0.1R
R4A 0.1R
Q5 MPSA56
R6 1k
Q4 MPSA56
R8
47k
R7
3k3
R5 1k
Q3
2N4401
V+
V-
TRX
MCI
4338
CMC
2m2H
C7A
100nF
C7B
100nF
R17 820r
C1
3300uF
C2
3300uF
FUSE
(On
FUSE
PCB)
0.63A
SHOR
T
CIRCUIT
PROTECT
UVLO
R49 68K
RI
P
RCA
LI
P
RCA
R
L
SPKR
LEV
IO
TERMINAL
R
L
SPKR
LEV
IO
TERMINAL
LED
DRIVE
C1
1
100uF
LED1
2
C
lr
LED
D7 1N4148
R1
1
665r
+6V
V+
V-
+15V
S/D
FR
I/P
GND
-15V
O/P
MODULE
S53
7
11
700Hz
Lo-Pass
+6V
S
upply
OUTPUT
FIL
TER
C28
10nF
R28
10k
DA
1N4735A
QUICK
FIT
TERMINAL
SPK-
QUICK
FIT
TERMINAL
SPK+
QUICK
FIT
TERMINAL
AC
Feed
QUICK
FIT
TERMINAL
GND
QUICK
FIT
TERMINAL
AC
Return
To
AC
Feed
To
GND
To
AC
Return
To
Power
Cord
To
Power
Cord
TRANSFORMER
IS
MOUNTED
ON
FA
CEPLA
TE
See
page
15
Service
B
ulletin
