Read Sharp XL-DAB151PHBK (serv.man3) Service Manual online
XL-DAB151PH
4 – 9
U900 92L12000033901 : 2.1CH 40W High Efficiency Digital Audio System (STA339BWS) / (1/2)
Figure 4-7 BLOCK DIAGRAM OF IC
Figure 4-8 PIN CONFIGURATION OF IC
I
2
S
interface
Volume
control
Power
control
Logic
FFX
PLL
Digital DSP
Power
Regulators
Channel
2A
Channel
1B
Channel
1A
Channel
2B
Bias
I
2
C
GND_SUB
SA
TEST_MODE
VSS
VCC_REG
OUT2B
GND2
GND1
VDD
CONFIG
EP, exposed pad
(device ground)
VCC2
VCC1
OUT2A
OUT1A
GND_REG
OUT3B / FFX3B
OUT3A / FFX3A
18
17
16
15
14
13
12
11
29
28
27
26
25
24
23
22
21
20
19
30
31
32
33
34
35
36
10
9
8
7
6
5
4
3
2
1
OUT1B
VDD_DIG
GND_DIG
INT_LINE
RESET
SDI
LRCKI
BICKI
XTI
GND_PLL
GND_DIG
VDD_DIG
TWARN / OUT4A
EAPD / OUT4B
FILTER_PLL
VDD_PLL
PWRDN
SCL
SDA
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