Read Sharp HT-CN300H (serv.man4) Service Manual online
– 13 –
HT-CN300H
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
DTI3
SDA/CDTI
SCL/CCLK
AVSS
ADD
TI/EXTCLK
DVDD1
DVSS1
TVDD2
CKO
RCK
CK
TDO
DTI1
DTI2
TUNER
VCR1 IN
VCR2 IN
VIDEO/AUX IN
CLK
CE
DI
IC720
LC75341M
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
LC75341M
AUDIO
PROCESSOR
IC712
LC75341M
AUDIO
PROCESSOR
FRONT Lch
FRONT Rch
ANALOG IN Lch
ANALOG IN Rch
VCR1 OUT
TO POWER AMP
SECTION
3
5
22
34
4
21
36
17 18
-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
16
10
11
14
12
13
9
-B3
-B3
+B3A
+B3A
+B3A
+B3A
-B3
B3A
B3A
B3A
Q704
Q701
Q721
+B3
B3A
+B5
B5A
B4A
+B4
Q703
+B7
B7A
+B5
+3V3
+B4
+5V
IC705
PQ025EZ
VOLTAGE
REGULATOR
+B5
+B5B
+5V
+9V
+3V3
3V3
11V
3V3
+5V
+5V
WITCHING
WITCHING
+3V3
+2V5
-9V
+8V
+8V
+8V
+8V
-9V
-9V
-9V
+8V
+8V
+8V
CENTER
WOOFER
SURROUND Lch
SURROUND Rch
Click on the first or last page to see other HT-CN300H (serv.man4) service manuals if exist.