Harman Kardon HK 990/230 - Page 4

- +
2 3
48
1
U16A OPA2134UA
DVDD
1
AVDD
15
AGND
10
DGND
28
OUT L+
18
OUT L-
17
OUT R+
11
OUT R-
12
ZERO_L
21
DSD_RDATA
8
DSD_PHASE
9
LRCLK/EF_WCLK
2
BCLK/EF_BCLK
3
SDATA/EF_LDATA
4
MCK
27
CLATCH
25
CCLK
26
CDATA
24
DSD_SCLK
6
DSD_LDATA
7
EF_RDATA
5
RST
23
ZERO_R
20
MUTE
22
AGND
19
FILTB
16
IREF
14
FILTR
13
U23
AD1955ARS
R91 1K
C102 100nF
DVDD
1
AVDD
15
AGND
10
DGND
28
OUT L+
18
OUT L-
17
OUT R+
11
OUT R-
12
ZERO_L
21
DSD_RDATA
8
DSD_PHASE
9
LRCLK/EF_WCLK
2
BCLK/EF_BCLK
3
SDATA/EF_LDATA
4
MCK
27
CLATCH
25
CCLK
26
CDATA
24
DSD_SCLK
6
DSD_LDATA
7
EF_RDATA
5
RST
23
ZERO_R
20
MUTE
22
AGND
19
FILTB
16
IREF
14
FILTR
13
U19
AD1955ARS
R99 1K
C74 100nF
C89 100nF
C98 100nF
C78
1uF/50V(Poly)
R119 3.3K
- +
6 5
7
U22B OP275GS
C96
1uF/50V(Poly)
R98 2.2K
C88 1nF(poly)
R103 680R
R105 22K
1
23
Q6 2SA1035
R114 2.7K
C99
2A221J
C97 100nF
R116 1K
R100 2.7K
R87 22K
R89 2.7K
- +
2 3
48
1
U21A OPA2134UA
R88 560R
1
23
Q5
2SA1035
R95 680R
- +
6 5
7
U17B OP275GS
- +
6 5
7
U16B OPA2134UA
C92 100nF
C90
100nF
C80 100nF
R86 2.7K
R83 47K
- +
6 5
7
U21B OPA2134UA
R90 2.2K
R93 2.7K
C100 1nF(poly)
R101 47K
R92 47K
C79 100nF
R117 47K
R111 560R
R94 3.3K
R82 2.7K
R120 680R
C76 220pF(NPO)
- +
2 3
4 8
1
U22A OP275GS
C101 100nF
C71 1nF(poly)
1
23
Q8
2SA1035
R81 1K
C81 2A221J
R115 2.2K
C93 220pF(NPO)
- +
2 3
4 8
1
U17A OP275GS
C84
100nF
C87 2A221J
R96 330R
R84 3.3K
C83 100nF
C72 100nF
C75 100nF
R85 680R
R102 3.3K
R79 2.7K
C82 1nF(poly)
C70 2A221J
R104 2.7K
R80 2.2K
R97 2.7K
1
23
Q7
2SA1035
C73 100nF
C91 100nF
R121 330R
R118 2.7K
+5VA
+15VA
+15V_R
+15V_L
+15V_R
+5V
+15V_L
-15VA
+15V_L
+15V_R
+15V_L
+5V
+15V_R
+5VA
SCK
SDATAR2
WDCLK
CS_AD1955_2#
SDO
CLK_24_MHZ_2
BITCLK
SDATAL1 SDATAL2
CLK_24_MHZ_3
CS_AD1955_1#
SDATAR1
DAC_R
RST_AD1955#
BITCLK
DAC_L
SCK SDO
RST_AD1955#
WDCLK
C77
47uF/16V(Tan)
C94
47uF/16V(Tan)
C1 10uF
C35 10uF
C8 100nF
+5VA
+15VA
C34 100nF
OUT
2
IN
3
GND
1
U11
AMS1117-5.0
C45 100nF
C47 100nF
C66 10uF
C86 10uF
C68 47uF/16V
R6 10R
C85 47uF/16V
R7 10R
+15V_L
-15V_L
+15V_L
+15V_L
-15V_L
-15V_L
+15VA
-15VA
C103 47uF/16V
R8 10R
C106 47uF/16V
R9 10R
+15V_R
-15V_R
+15V_R
+15V_R
-15V_R
-15V_R
FB3
FB0805
C109
47uF/25V
FB4
FB0805
C110
47uF/25V
DAC+5V_L
DAC+5V_L
DAC+5V_R
DAC+5V_R
C117
100nF(NPO)
C118
100nF(NPO)
C116
100nF(NPO)
C115
100nF(NPO)
102