Sharp HT-CN300 - Page 13

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HT-CN300
Figure 13 BLOCK DIAGRAM (4/4)
33
32
23
IC708
AK4586VQ
ADC/DAC/DIR
CONVERTER
IC718
NJM4580M
OPE AMP.
IC715
NJM4580M
OPE AMP.
IC711
NJM4580M
OPE AMP.
IC716
NJM4580M
OPE AMP.
31
30
29
28
26
27
41
37
RX2 RX4
PVSS PVDD
RIN
LIN
ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3
VREFH
D
TI3
SDA/CDTI SCL/CCLK
AVSS ADD
T
I/EXTCLK
DVDD1 DVSS1 TVDD2
C
KO
R
CK
CK
T
DO
D
TI1
D
TI2
TUNER
VCR1 IN
VCR2 IN
VIDEO/AUX IN
CLK
CE
DI
IC720
LC75341
AUDIO
PROCESSOR
7
18
12
13
21
4
12
13
21
4
12
13
3
1
23
2
24
21
4
1
2
24
1
2
24
CLK
CE
DI
CLK
CE
DI
FROM AUDIO SECTION
3
23
3
23
IC713
LC75341
AUDIO
PROCESSOR
IC712
LC75341
AUDIO
PROCESSOR
FRONT Lch
FRONT Rch
ANALOG IN Lch
ANALOG IN Rch
VCR1 OUT
TO POWER AMP
SECTION
35 22 34
4213617 18
R
-B3
3
4
5
1
7
8
3
4
5
1
7
8
3
4
5
1
7
8
3
4
5
1
7
8
15 161011141213 9
-B3
-B3
+B3A
+B3A
+B3A
+B3A
-B3
B3A
B3A
B3A
Q704
Q701
Q721
+B3
B3A
+B5B5A
B4A +B4
Q703
+B7
B
7A
+B5
+3V3
+B4 +5V
IC705
PQ25EZ
VOLTAGE
REGULATOR
+B5
+B5B
+5V
+9V
+3V3
3
V3
+
8V
3
V3
+
5V +5V
W
ITCHING
W
ITCHING
+3V3
+2V5
-9V
+8V
+8V
+8V
+8V
-9V
-9V
-9V
+8V
+8V
+8V
CENTER
WOOFER
SURROUND Lch
SURROUND Rch