LG LH-W750TA Service Manual page 19

STA328
Figure 8. Block Diagram (refer to Stereo Application Circuit)
V
DD REG
Vcc Sign
GND REG
3.3V
CONFIG
GNDCLEAN
SCL
SDA
RESET
BICKI
LRCKI
550pF
7250
20pF
VDDA
3.3V
GNDA
VDD
3.3V
GND
Figure 9. Pin Connection
4/41
19 M3
V 35
SS
36 REGULATORS
M2
18
M5
V 20
L
PROTECTION
21
&
LOGIC
M4
17
23
24
M17
22
32
DIGITAL
PWM
30
SDI MODULATOR
31
M15
26
27
XTI
29 M16
28
34
M14
33
1, 2, 5, 14,
N.C.
36
V Sign
CC
35
V
SS
34
V DD
33
GND
32
BICKI
31
LRCKI
30
SDI
29
V DDA
28
GNDA
27
XTI
26
PLL FILTER
25
RES
24
SDA
23
SCL
22
RESET
21
CONFIG
20
VL
19
V DD REG
V 1A
CC
15
C30
100nF
16
OUT1A
13
GND1A
11 V 1B
CC
C31
1µF
10
OUT1B
12 GND1B
8 V 2A
CC
C32
100nF
9
OUT2A
7
GND2A
4 V 2B
CC
C33
1µF
3
OUT2B
6 GND2B
25
RES
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
D04AU1540
L18 22µH
C20
100nF
C52
C99
R98
330pF
100nF
6
C23
470nF
R63 R100
C101
20 6
100nF
C21
100nF
L19 22µH
L113 22µH
C110
100nF
C107
R103
100nF
6
C108
470nF
R104
R102
C106
20
6
100nF
C111
100nF
L112 22µH
D00AU1541
N.C.
N.C.
OUT2B
V
2B
CC
N.C.
GND2B
GND2A
V
2A
CC
OUT2A
OUT1B
V
1B
CC
GND1B
GND1A.
N.C.
V
1A
CC
OUT1A
GNDCLEAN
GND REG
+V
CC
C55
1000µF