Sharp CD-DVD500 Service Manual page 38

CD-DVD500
A
B
C
S.W.
1 19
A_GND
2 18
FR-CH
3 17
GND
4 16
FL-CH
5 15
A_+10V
6 14
+5V
7 13
M_GND
8 12
A_–13V
9 11
FAN_CTL
10 10
F_RLY
11 9
SW_RLY
D
12 8
H/P
7
13
M_12V
14 6
SMUTE
15 5
20ATT
16 4
SP_DET
17 3
2/6_SEL
2
18
SW_MUTE
19 1
CNP901
CNS604
FROM
MAIN PWB
P31 12-D
E
20ATT
1
FAN_CTL
2
SP_DET
3
SMUTE
CNS406
4
M_12V
FROM
5
FAN_SIG
AMP. B PWB
6
P35 10-H
CNP902
F
AMP. A PWB-D2
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 56.
1
C903
0.022
R905
4.7K
8
R901 2
C905
18K
0.082
–
+
(ML)
C901
3
0.15
C904
C902
0.082(ML)
0.15
5
R902
+
R906
18K –
4.7K
6
4
C906
0.022
IC905,906
TC4053BP
TRIPLE 2-CH
MULTIPEXER
+B
2
Q915
KRC107 M
1
C965
3
3.3/25 2
C963
1
C964
1/50
R998 1/50
22K
R997
3
22K
C1015
3 3
3.3/25
1 1
Q913
2 2
KRA107 M
+B
2 3
Figure 38 SCHEMATIC DIAGRAM (13/18)
C968 IC906
0.022
TC4053BP
(ML)
C969
9
47/25
3
R913
5
1K
1
10
IC904
1
KIA4558P
2
OPE AMP.
11
13
7
R916
C914
12
1K
2.2/50
IC905
TC4053BP
6 8
C912
9
0.015(ML)
3
5
10
1
2
11
13
C911
12
0.015(ML)
16 7
R1002
1.2K
4
– 38 –
6 8
4
15
R1047
56K
0 V
R949
C1010
1K
2.2/50
14
C928
16 7
47/50
0.6 V
R1055
10K
8 R1011
4
2.2K
2
+B
–
1
+
R1012
3
15
5
+
7
–
14
C930
6
47/50
4
+B
Q906
2SC2878 B
C1012
R922
2.2/50 8.2K
R934
2.2K
R1049
R921
56K
8.2K
C1013
2.2/50
+B
FM SIGNAL
5
S
P
C933
15P
R947
56K
2
1
C1001
C932 15P
2.2/50
3
R946 56K
R938
R942
820
1K
14
R1046 R948
56K 1K
0 V
15
C999
1
5
2.2/50
C1006
0 V
470P
0 V
0 V
S
1K
C934
15P
R950
R940
56K
820
2
C998
R1048
2.2/50
56K
1
0 V
R952
C931
1K
15P
3
C1008 R943
470P 56K
14
C929 R945
820
47/50
15
R951
C997
5 1
1K
2.2/50
6