Sharp HT-CN300 Service Manual page 22

HT-CN300
A
DSP PWB-A1 (3/3)
B
C
D
E
R865
C870 3.9K
R873
10/16
220
F
C951
C952
0.022
100/16
G
CLK 35
[2]
34
[2] DATA
[2] CCB_CE2 33
[2] CCB_CE1 37
[2] CCB_CE0 36
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
1
FM SIGNAL
R834
1K
C826
47P
(CH)
C_OUT
SOBWOOFER-CH
C866
C879
1/50
1/50
R1 L1
13 12
14 R2 L2 11
15 R3 L3 10
C939
C929
16 R4 L4 9
1/50
1/50
RSEL LSELO
17 8
C867 RIN LIN
18 7
0.0027
19 RTRE LTRE 6
C868 C881
LBASS
20 RBASS 5
0.1 0.1
C869
LOUT
0.1 21 ROUT 4
VREF VSB
22 3
C871
10/16
VDD CE
23 2
C816 24 CLK DI 1
0.022
+B
2
Figure 22 SCHEMATIC DIAGRAM (9/17)
27
R801
27K
C803
0.015
IC716
NJM4580M
OPE AMP.
R835
1K
C718
0.022
C827
5 IN2P VPP
4
100P
IN1P
6 IN2N 3
(CH)
7 OUT2 IN1N
2
8 VDD OUT1 1
C829
0.022
R816
R843
100K
100K
–B
+B
CENTER-CH
IC712
LC75341M
AUDIO
PROCESSOR
C880
0.0027
R864 R877
3.9K 3.9K
C894
C883
R874 R875
C882
10/16
10/16
220 220
0.1
C884 100P(CH)
C885 100P(CH)
C886 100P(CH)
R738
10
C950
100/16
3 4
– 22 –
28 26 25
R802 R806
R805
27K 27K
27K
C804 C808
C807
0.015 0.015
0.015
IC711
NJM4580M
OPE AMP.
R844
R850
1K C853
1K
0.022
C847
100P
5 IN2P VPP 4
(CH) IN1P
6 IN2N 3
7 OUT2 IN1N
2
8 VDD OUT1 1
C850
0.022
R854
R849
100K
100K
–B
+B
SORROUND R-CH
SORROUND L-CH
C962
C961
1/50
1/50
R1 L1
13 12
14 R2 L2 11
15 R3 L3 10
C899
C890
16 R4 L4 9
1/50
RSEL LSELO
17 8
C891 RIN LIN
18 7
0.0027
19 RTRE LTRE 6
C892
0.1
LBASS
20 RBASS 5
C893
LOUT
0.1 21 ROUT 4
VREF VSB
22 3
C895
10/16
VDD CE
23 2
C817 24 CLK DI 1
0.022
C949
0.022
+B
5
24 23
R809 R810
27K 27K
C811
C812
0.015
0.015
L_OUT
R856
C854
1K
0.022
C837
100P(CH)
5 IN2P VPP
IN2N IN1P
6
7 OUT2 IN1N
8 VDD OUT1
C843
R822
0.022
560
R824
100K
R823
100K
C851
100P
+B
(CH)
+B
–B
IC713
LC75341M
AUDIO
PROCESSOR
1/50
C904
0.0027
R867
3.9K
C900
0.1
C932
C922
R872
C921
10/16
10/16
220
0.1
C923 100P(CH)
C924 100P(CH)
C925 100P(CH)
R789
R729
330
330
6