Read Sharp CD-C491H (serv.man3) Service Manual online
CD-C491H
– 34 –
Figure 34 SCHEMATIC DIAGRAM (7/20)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 22.
RR19
47K
CR15
4.7/50
RR21
47K
CR17
4.7/50
QR11
KRA107 M
QR13
KRA107 M
RP12
100
RP11
100
CP30
2.2/50
RP34
1K
RP36
100K
RP35
100K
CP29
2.2/50
RP33
1K
QP11
2SC2878 A
RP29
5.6K
CP25 0.001
CP26 0.001
RP30
5.6K
QP12
2SC2878 A
RP27
47K
RP28
47K
4
3
2
1
ICP11
NJM4565M
BUFFER AMP.
RP22
100
RP20
2.2K
RP19
2.2K
RP21
100
8
5
6
7
CP23
10/16
RP25
1K
CP24
10/16
RP26
1K
RP18
8.2K
RP17
8.2K
CP19
0.1(ML)
CP20
0.1(ML)
CP15
0.1
(ML)
CP16
0.1
(ML)
CP17 47P
CP18 47P
RP15
100K
RP16
100K
CP28
0.022
CP27
0.022
RP32
220
RP31
220
RR20
47K
CR16
4.7/50
QR12
KRA107 M
CP07
100P
CP08
100P
CP09
47/25
CP10
47/25
CP13
0.001
CP14
0.001
CR66
47/25
CR65
47/25
DR12 1SS133
DR11 1SS133
CR13
390P
CR14
390P
RR17
1.8K
RR18
RR18
1.8K
RR11
27K
RR12
27K
CR11
390P
CR12
390P
RR15
27K
RR16
27K
JR12
JR11
CR10 0.001
RR13
1.8K
RR14
1.8K
3
ICR11
GP1F38T
PHOTO DIGITAL
OUTPUT /LED
DIGITAL-OUT
1
2
CR02
100/10
CR01
0.022
ZDR01
MTZJ3.3B
RR01
100
LR01
2.2
µ
H
CR03
0.001
3
CNPR11
2
CNPR12
2 1
1
RP54
100K
CP44
0.001
CP58
0.068
RP53
100K
CP41
2.2/50
RP51
1K
QP15
2SC2878 A
RP7
5.6K
CP47
0.001
CP53
0.001
QP16
2SC2878 A
GND(A)
GND(A)
–
+
+
–
REAR MUTE
VIDEO-1
+B
+B
–B
AC3-C IN
AC3-SW IN
AC3-LS IN
AC3-RS IN
GND(A)
R-CH IN
L-CH IN
1
2
3
1
2
1
2
3
S.W.
MUTE
REAR MUTE
CENTER
MUTE
L-CH
R-CH
L-CH
R-CH
VIDEO-2
+B
–B
INPUT
VIDEO/AUX-2
INPUT
VIDEO/AUX-1
L-CH
R-CH
L-CH
R-CH
GND
+4.3V
DOUT
DOUT
GND
P30 6-H,P31 10-G,12-B
TO MAIN SECTION
P29 11-D
TO CD SERVO PWB
CNS99
P46 1-A
TO DOLBY PWB
CNSA11
RP52
1K
CP42
2.2/50
S.W.MUTE
CENTER MUTE
CP32
0.001
CP31
0.001
QP13
2SC2878 A
RP47 5.6K
CP37 0.001
CP38 0.001
RP48 5.6K
QP14
2SC2878 A
L-CH
(1/2)
(2/2)
3
55
18
54
57
56
76
58
32
31
30
85
18
81
84
18
80
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