Sharp CD-C478 Service Manual page 29

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+B
RR78
47K
R74
7K
CR60
RR76
RR77
47K
0V
0.0056
0V
47K
CR61
2
10/50
ICR15
CR57
1
(1/2)
10/50
0V
RR79
3
+
1.8K
0V
NJM4558M
RR80
RR75
MOTOR DRIVER
100K
100K
CR64
0.022
–B
–B
50
–10V
ML)
4
CP52
RP68
QP16
5
+
1K
10/16
C3199GR
0V
ICP12
7
(2/2)
0V
0V
6
4
RP67
RP69
K
100
47K
CP40
0.022
CP51
RP65
2.2K
100P
CP85
RP39
0.001
56K
RP45
CP39
47K
RP41
0.022
12K
2
QP13
0V
C3199GR
0V
ICP12
1
(1/2)
RP43
0V
CP35
3
+
1K
8
4.7/50
10V
+B
NJM4565M
BUFFER AMP.
NJM4565M
BUFFER AMP.
9
10V
CP27
ML)
8
RP25
CP23
0.022
5
+
1K
10/16
0V
ICP11
7
(1/2)
0V
0V
QP11
6
KTC3199GR
7
RP21
RP27
K
100
47K
RP29
RP19
5.6K
CP07
100P
2.2K
RP20
CP08
100P
2.2K
RP28
47K
RP22
RP30
8
100
5.6K
K
CP24
2
QP12
10/16
0V
0V
KTC3199GR
ICP11
1
(2/2)
0V
RP26
+
3
CP28
1K
4
20
0.022
–10V
–B
)
50
7
QR21
KTC3199GR
OUT3(S.W)
2
3
S.W.MUTE
CR62
0.0022
RR82
QR13
4.7K
1
KRA107M
+B
CENTER
MUTE
2
CENTER MUTE
(CcH)
3
QR12
1
KRA107M
REAR
MUTE
(Sch)
2
3
1
QR11
KRA107M
OUT4(CcH)
RP70
5.6K
CP53
OUT5(Sch)
0.001
GND(A)
CP37
0.001
RP47
REAR
5.6K
MUTE
+B
CP09
100/16
OUT1(L-CH)
GND(A)
OUT2(R-CH)
+B
CP10
100/16
RP32
RP31
150
150
–15V
–B
+B
+12V(A)
+B
RP73
GND(D)
22K
CP57
22/25
–B
49
47
51
42
65
67
64
48
52
58
TO MAIN SECTION
P27 12-B
8
9
Figure 29 SCHEMATIC DIAGRAM (6/16)
DIGITAL-OUT
LR01
1
ICR11
2.2µH(DH)
GP1F38T
2
RR01
3
100
CR01
CR02
0.022
100/10
ZDR01
MTZJ3.3B
CR03
0.001
CR17
4.7/50
RR21
47K
CR16
4.7/50
RR20
47K
CR15
4.7/50
RR19
47K
GND(A)
REAR RLY(3)
PROT
POSISTOR
AMP
+B
OUT3(S.W)
RELAY2
OUT1(L-CH)
RELAY1
GND(A)
FAN CONT
OUT2(R-CH)
SP LEVEL
H/P SW
PROT
POSISTOR
AMP
+B
–B
+B
+B
+B
+4.6V(D)
+B
1
3
2
QP17
KTC107M
57
56
55
53
54
46
44
63
45
66
43
41
59
66
10
– 29 –
CD-C478/478C
CNPR11
3
DOUT
CNS99
2
+4.3V
FROM
1
GND
CD SERVO PWB
P25 11-D
FWP02
OUT4(Cch)
1
GND(M)
2
OUT5(Sch)
3
+12V(M)
4
GND(A)
5
CFWX11
6
FAN SW
TO
RELAY3
7
SPEAKER AMP.1 PWB
8
P29 1-F
9
PROT
10
POSISTOR
11
AMP
FWP01
1
OUT3(S.W)
2
S.W RLY(2)
OUT1(FRONT L-CH)
3
FRNT RLY(1)
4
5
GND(A)
6
FAN CONT
7
OUT2(FRONT R-CH)
SP LEVEL
CFWV11
8
TO SPEAKER AMP.2 PWB
9
GND(M)
P29 1-B
H/P SW
10
+12V(M)
11
FAN SW
12
13
PROT
14
POSISTOR
15
16
AMP
–15V(A)
1
2
GND(A)
3
+12V(A)
+12V(M)
4
CNS901
5
GND(M)
+4.6V(D)
6
FROM POWER PWB
GND(D)
7
P38 2-H
+7.3V(CD)
8
9
CD GND(D1)
POWER
10
GND(D3)
11
11
12

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