A
B
C
D
E
F
G
H
1
2
3
4
5
*
LEVEL
1
7
8
4
7
8
4
IC105
IC106
LINE/MIC
SW
+15A
+15A
6
6
-15A
-15A
10
15
18
20
16
19
12
6
8
9
1-4
15
18
20
16
19
12
6
17
8
9
1-4
10
+5LD
+5LD
SIG-
SIG+
+3.3D
+5A
MODEL-ID
RESISTORS
+3.3D
HPF-SW
/DSP-RES-EVB
CONTOUR-SW
4wires
CONTOUR-LED
FLED-DIS-SW
HPF-LED
POWER-LED
PEAK-LED
PROTECTION-LED
LIMIT-LED
+3.3D
3wires
I2C-BUS SLAVE CHIP ADDRESS(Write):68h
I2C-BUS SLAVE CHIP ADDRESS(Read):69h
+3.3D
6
1
7
1
2
7
1
17
18
8
/D
S
P
-R
E
S
SD
A
/SCL
I2
C
-B
U
SY
/ADDA-RES
/D-MUTE
AMP-ENA
T-SENSE
DC-DET-HF
DC-DET-LF
/AMP-ERR
FRONT-LED
/PWR-OFF
POFF-REQ
/232C-CONN
MODE
/A-MUTE
/DIAG
UART(TXD/RXD)
128KB Flash ROM / 7.5KB RAM / 1KB*2 DATA-FLASH
+3.3D
+5A
+15A
-15A
+15A
2nd Order Butterworth
LPF
UB-
BAL
-15A
LPF
UB-
BAL
2nd Order Butterworth
+15A
-15A
+15A
SIG-HF+
SIG-HF-
SIG-LF+
SIG-LF-
12
15
13
14
4
5
6
14
12,13
10
18
+15A
-15A
+5A
+3.3D
3
1
12
15
13
14
4
11
15
11
5
6
14
13,12
10
18
15
3
1
5
6
2
3
8
13
16
14
7
11
15
12
5
6
3
1
5
6
2
3
8
13
16
14
7
11
15
12
5
6
3
1
/A-MUTE
AMP-ENA
DC-DET-HF
DC-DET-LF
T-SENSE
/AMP-ERR
POFF-REQ
/PWR-OFF
/232C-CONN
UART(TXD/RXD)
FRONT-LED
CPU-MODE
/DIAG
+18A
-18A
DCDETH-CHK
DCDETL-CHK
+18A
+18A
P-AMP
(LF)
P-AMP
(HF)
+B
+B
-B
-B
VDR
VDR
ER
R-
H
F
EN
A
-H
F
EN
A
-L
F
ER
R-
L
F
EX
T
-C
L
K
EX
T
-C
L
K
TWEETER
WOOFER
WOOFER
(DSR215 only)
THERMAL SENSOR
Switching Controller
Resonance
Half Bridge
DC/DC
CONV.
with
Transformer
PFC
DIODE
BRIDGE
IN3 : DSR112
IN2 : DSR115
IN1 : DSR215
or
or
or
or
AC-INLET
(
)
28CA1-
2001063511-1
DSR112/DSR115/DSR215/DSR118W
3
■
BLOCK DIAGRAM
(ブロックダイアグラム)
DSR112/DSR115/DSR215 1/2