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EN 26
7.
TPM8.3A LA
7.4.6
Audio Amplifier (U602)
2
The platform use I
S to link audio amplifier IC.
C621
0.1uF 50V
A_Reset
AOSDATA0
AOLRCK
AOBCLK
AOMCLK
PLL_GND
R629
0R05 1/16W
Aud3A3
Aud3V3
7.4.7
Tuner power
G9084TU3U provides the tuner power of approximately 5 V.
+12V
FB1102
1
2
R1175
120R/3000mA
R1171
R1172
2011-Nov-11
Circuit Descriptions
Aud3V3
37
Thermal Pad
36
VDD_DIG
35
GND_DIG
Aud_SCL
34
SCL
Aud_SDA
TP45
33
SDA
32
INT_LINE
31
RESET
30
SDI
29
LRCKI
28
BICKI
27
XTI
26
GND_PLL
PLL_FILT
C639
25
FILTER_PLL
R630
24
VDD_PLL
PWDN
23
PWRDN
C645
22
GND_DIG
21
VDD_DIG
0.1uF 50V
TW
20
TWARN/OUT4A
EAPD
2R2 1/16W 5%
19
EAPD/OUT4B
0.1uF 50V
STA339BWTR
Figure 7-9 Audio Amplifier (U602)
15 OHM +-5% 1/4W
15 OHM +-5% 1/4W
15 OHM +-5% 1/4W
C1141
C1144
C1162
100N 16V
100N 16V
100N 16V
Figure 7-10 Tuner power
U602
1
C623
GND_SUB
2
C622
SA
3
0.1uF 50V
0.1uF 50V
TEST_MODE
4
VSS
5
VCC_REG
OUT2B
6
OUT2B
7
GND2
8
VCC2
OUT2A
9
OUT2A
OUT1B
10
OUT1B
11
VCC1
12
GND1
OUT1A
13
C643
OUT1A
14
C642
GND_REG
15
0.1uF 50V
VDD
16
0.1uF 50V
CONFIG
DDX3B
17
OUT3B
DDX3A
18
OUT3A
G9084TU3U
TO-263T
U7007
3
2
VIN
VOUT
C1164
R1173
C1163
1K 1/10W 1%
330N 25V
R1174
3K 1/10W 1%
C625
1U 50V
C630
+
+
100UF 35V
C641
C644
1U 50V
0.1uF 50V
R1176
5V_TUNER
0R05 1/4W
5V_TUNER
5V_SW
L1102
1
NC\22uH
+24V_AMP
FB609
2
1
120R/6000mA
C631
100UF 35V
+
C685
100UF 35V
19170_214_110705.eps
110705
+B_5V
2
+B_5V
+
C1139
C1140
220UF 16V
10U 10V
19170_210_110705.eps
110705
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