Read Sharp CD-C491H (serv.man3) Service Manual online
CD-C491H
– 36 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 22.
Figure 36 SCHEMATIC DIAGRAM (9/20)
P31 8-C
TO MAIN SECTION
A
B
–
+
+
–
+
GND
(1/2)
(1/2)
(1/2)
(1/2)
(2/2)
(2/2)
(1/2)
(1/2)
(1/2)
(2/2)
(2/2)
(2/2)
LT IN
RT IN
GND
–7V
–7V
–7V
–7V
–7V
–7V
–7V
–7V
–7V
ICZ07
NJM4565M
ICZ05
NJM4565M
+7V
+7V
+7V
+7V
+7V
+7V
+7V
+7V
0X
1X
2X
3X
0Y
1Y
2Y
3Y
Y COM
X COM
INH
Vss
IN1
F5
IN2
F6
F7
F4
F5
F3
F2
VEE
F2
F1
F4
NC
IN1
IN2
F7
F6
CLK
DI
F3
VDD
VCC+7V
TEST2
VSS
TEST1
S
+B
+B
–B
+B
+B
–B
–B
+B
+B
+B
–B
+B
–B
–B
–B
–B
+B
+B
1
2
3
1
2
3
–B
TUN L
TAPE L
AUX1 L
AUX2 L
TUN R
TAPE R
AUX1 R
AUX2 R
1
5
2
4
7
8
9
6
3
13
1
1
8
2
3
2
3
1
2 3
5 6
7
5 5
6 6
7 7
RZ01
6.8K
8
2 3
2 3
2 3
5
5
5
6
6
6
7
7
7
8 8
4 4 4
8 8
4
4 4
ICZ08
TC4052BF
DUAL 4CH ANALOG
MULTIPLEXER
ICZ03
NJM4565M
ICZ02
NJM4565M
ICZ04
NJM4565M
ICZ06
NJM4565M
CZ30
100/10
CZ32
100/10
ICZ01
LC7522
GRAPHIC EQUALIZER ELECTRIC VOLUME
5
4
3
2
1
6
7
8
9
RZ66
100
RZ67
100
RZ68
100
RZ65
100
100
RZ02
6.8K
CZ27 100/10
CZ26 100/10
CZ01
1/50
CZ02
1/50
CZ04
10/16
CZ03
10/16
10/16
CZ34 10/16
CZ38 10/16
CZ36 47/16
CZ40
47/16
4
3
2
1
RZ60
2.7K
CZ46
10/16
RZ59
2.7K
8
5
6
7
CZ47
10/16
RZ55 100K
RZ57
1K
CZ43
10/16
RZ63
100K
RZ64
100K
RZ56 100K
RZ58
1K
CZ42
10/16
ICZ09
NJM4565M
BUFFER AMP.
QZ03
KRC107M
QZ04
KRC107M
RZ53 1K
RZ54
1K
CZ16(ML)
0.012
CZ12(ML)
0.0015
CZ08
270P
CZ15
0.012(ML)
CZ11
0.0015(ML)
CZ07
270P
CZ33
0.022
0.022
CZ31
0.022
CZ29
0.022
CZ45 47P
CZ44 47P
CZ35
0.022
CZ39
0.022
CZ37
0.022
CZ41
0.022
CZ10(ML)
0.027
CZ06
4700P
CZ09
0.027
CZ05
4700P
CZ28
0.022
CZ25
0.022
RZ40 330K
RZ42
680
RZ34 330K
RZ36 680
RZ28 270K
RZ30 680
RZ22 120K
RZ24 680
RZ16 120K
RZ14 1M
RZ18 680
RZ11 1M
RZ05 1M
RZ12 1M
RZ06 1M
RZ08 100K
RZ39 330K
RZ41 680
RZ33 330K
RZ35 680
RZ27 270K
RZ29 680
RZ21 120K
RZ23 680
RZ15 120K
RZ17
680
RZ07
100K
RZ43
1K
RZ09
100
100
RZ10
100
RZ45
1K
RZ47
1K
RZ49
1K
RZ51
1K
RZ46
1K
RZ48
1K
RZ50
1K
RZ52
1K
RZ62
10K
RZ61
10K
RZ93
1K
RZ94
1K
RZ87
470K
RZ88
470K
RZ8
470
RZ90 22K
RZ91 22K
RZ38 1M
RZ32 1M
RZ26 1M
RZ20 1M
RZ37
1M
RZ31 1M
RZ25 1M
RZ19 1M
RZ13 1M
CZ22
0.33/50
CZ21
0.33/50
RZ03
6.8K
CZ69
100P
RZ04
6.8K
CZ70
100P
CZ14(ML)
0.27
CZ18(ML)
0.18
CZ20(ML)
0.033
CZ24(ML)
0.039
CZ13
0.27(ML)
CZ17
0.18(ML)
CZ19
0.033(ML)
CZ23
0.039(ML)
RZ95
220
RZ44
1K
1K
CZ71
1/50
ZDZ03 MTZJ5R1A
(2/2)
(1/2)
–
+
+
–
+
–
+
–
+
–
+7V
+7V
–
14
13
10
11 12
15
16
19 18 17
20
21
22
23
+
–
+
–
+
–
+
–
+
–
1
1
1
16
12
14
15
11
10
78
15
84
85
82
17
80
81
F1
24
25
26
27
28
ICZ02, ICZ04, ICZ06:
BUFFERAMP.
ICZ03, ICZ05, ICZ07:
BUFFER AMP.
ICZ09
NJM4565M
BUFFER AMP.
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