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22<br />
System Block Diagrams: DVD Receiver, Mini-Speaker System<br />
➔<br />
DVD Receiver<br />
Valid/Reset<br />
RCA S/PDIF<br />
Input(s)<br />
SRAM<br />
S/PDIF<br />
DVD/<br />
MPEG<br />
<strong>Audio</strong><br />
DSP<br />
MCLK<br />
SCLK<br />
LRCLK<br />
SData 1-4<br />
SDIN<br />
CH Mux<br />
Tone, EQ, DRC<br />
Volume<br />
PWM Converter<br />
Power Stage<br />
Power Stage<br />
Power Stage<br />
LC<br />
LC<br />
LC<br />
LC<br />
LC<br />
LC<br />
R<br />
L<br />
RS<br />
LS<br />
C<br />
Sub<br />
Analog<br />
Line Inputs<br />
R<br />
L<br />
Stereo<br />
ADC<br />
2-Channel<br />
DAC<br />
R<br />
L<br />
Line Output<br />
AM/FM<br />
Tuner<br />
System MCU<br />
HP Amp<br />
Headphones<br />
KEY<br />
TI Product<br />
Mini-Speaker System<br />
A<br />
On/Off SPST<br />
B<br />
“On” Green LED<br />
Main Board<br />
<strong>Audio</strong> Line In<br />
SPDT<br />
Switch<br />
Vdd Rail<br />
B<br />
3-D sound<br />
enhance<br />
(discrete)<br />
<strong>Audio</strong><br />
Amplifier<br />
AC Adapter<br />
Vdd Rail<br />
B<br />
A<br />
PWR Connector<br />
Switch<br />
Battery Level<br />
Indicators<br />
KEY<br />
KEY<br />
TI Product<br />
TI Product<br />
Volume<br />
POT<br />
Li-ion<br />
Battery<br />
Fuel<br />
Gauge<br />
Power Management<br />
See complete portable<br />
power solutions on page 37.<br />
For the latest information on end-equipment system block diagrams, visit: www.ti.com/applications<br />
<strong>Audio</strong> <strong>Solutions</strong> <strong>Guide</strong> Texas Instruments <strong>1Q</strong> <strong>2007</strong>
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