Harman Kardon HK 990/230 - Page 6

Subwoofer OUT L
Subwoofer OUT R
Subwoofer IN R
Subwoofer IN L
R15
3K
C49
100nF
C42
100nF
R16
47K
R42 24K
C11
330pF
R50 24K
R3
24K
R45 24K
R41 24K
R33
3K
C59
100nF
R44 47K
SO
10
S1
9
1Y0
12
1Y1
14
1Y2
15
1Y3
11
2Y0
1
2Y1
5
2Y2
2
2Y3
4
1Z
13
2Z
3
E
6
VCC
16
GND
8
VEE
7
U6
74HC4052D
R17
47K
-
+
6
5
7
U3B
NJM2068M
R49 47K
R18
3K
R40 47K
C56
100nF
R51 24K
C26
2A332J
C29
100nF
R53 47K
DVDD
8
AVDD
15
AVDDL
20
AVDDR
9
DGND
7
AGND
14
AGNDL
19
AGNDR
10
VoutR+
12
VoutR-
13
VoutL+
17
VoutL-
16
VmidR
11
VmidL
18
RST
22
LRCLK
1
BITCLK
3
SDATA
2
MCLK
5
ZERO
21
MODE8X
4
MUTE
25
DIFFHW
6
CSBIWO
23
MODE
24
MISO/DM0
26
SCK/DM1
27
CS/I2S
28
U12
XWM8740EDS
C10
330pF
R11
470R
R10
470R
SO
10
S1
9
1Y0
12
1Y1
14
1Y2
15
1Y3
11
2Y0
1
2Y1
5
2Y2
2
2Y3
4
1Z
13
2Z
3
E
6
VCC
16
GND
8
VEE
7
U7
74HC4052D
C15
2A332J
R43 47K
R4
24K
R31
47K
R38 24KR47 24K
R52 47K
C14
2A332J
R30
3K
C57
100nF
R54 24K
R39 47K
C43
100nF
R32
47K
C25
2A332J
R48 47K
-
+
2
3
4 8
1
U3A
NJM2068M
C28
100nF
+5VA
-15VA
+15VA
+3.3V
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
SDO
SCK
CS_WM8740#
CLK_24_MHZ_4
RST_SUB#
WM_BITCLK
WM_LRCLK
WM_SDATA
SUB_MUTE_OUT
SUB_MUTE_OUT
MUTE_LISTEN#
SUB_SEL
2
G1
1
G3
J1A
AV4-8.4-13/EC
C2
100nF
G = 0.25 by software
G = 4
G = 4
C13
47uF/25V
C27
47uF/25V
C30
47uF/25V
C16
47uF/25V
C9
47uF/25V
C12
47uF/25V
C48
47uF/25V
C50
47uF/25V
SUB in
SUB out
C58
47uF/25V
C
BE
4.7K
Q2
DTC343TK
C
BE
4.7K
Q1
DTC343TK
4
G2
3
J1B
AV4-8.4-13/EC
C41
100nF
C64
47uF/16V
R12
100R
C107
47uF/16V
R27
100R
FB2
FB0805
C108
47uF/25V
FB6
FB0805
FB7
FB0805
R37
10R
C119
47uF/25V
C120
47uF/25V
104