Harman Kardon ONYX STUDIO 4 - Page 17

7-7
DVDD
DGND
LDOO
XSMT
ADR1
LRCK
DIN
BCK
SCK
GPIO6
MODE2
MODE1
ADR2
CPOI3
CPVDD
CAPP
CPGND
CAPM
VNEG
OUTL
OUTR
AVDD
AGND
VCOM
SDA
SCL
GPIO5
GPIO4
A
A
CE4 NC/220uF/6.3V/SMD
1000pF/50V/X7R
C221
C222
1000pF/50V/X7R
Circuit Diagram:Main board & CN board
A B C D E
1 1
Dac Circuit
DVDD
AVDD
A
C216 C217
U18
1
2
28 DVDD
27
R325
NC/10K
R324
NC/10K
3
C218
26 C219 0.1uF/16V/X7R
R248 33
PCM5121_MUTE
2.2UF
4
C220 2.2UF 5
25
24
R249 NC/33
MUTE
MUTE
10,7
10 AMP_WL
10 AMP_WR
R251 1K/1%
R252 1K/1%
6
7
AVDD 8
23 I2S1_LRCLK
I2S1_LRCLK 6,7
22 I2S1_DATA
I2S1_DATA 6
21 I2S1_BCLK
I2S1_BCLK
6,7
2
C223 NC//10UF/6.3V/X5R 9 20 R253 10K
2
VDD_3V3
FB7 2.2 AVDD
R254 0 10
DAC_SDA R256 33 11
A
DAC_SCL
R259 33
12
19 R255 100K
18 R257 10K
R258 NC/10K
17 R260
R261
DVDD
FB8 0
+
C224
C225
C226
DVDD
C227
R262 NC/100K 13
R264 NC/100K 14
PCM5121
16 R263
15 R265
PCM5121_MUTE
PCM5121_MUTE
7
DAC_SCL
I2C_SCL
7,8
DAC_SDA
I2C_SDA
7,8
3 3
4 4
A B C D E
0.1uF/16V/X7R
10UF/6.3V/X5R
A
10UF/6.3V/X5R
0.1uF/16V/X7R
10UF/6.3V/X5R
0.1uF/16V/X7R
10K
DVDD
10K
NC/0
NC/100K