Read Sharp CD-C491H (serv.man3) Service Manual online
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CD-C491H
Figure 31 SCHEMATIC DIAGRAM (4/20)
7
8
9
10
11
12
DG08
1SS133
RF37 1K
RF38 1K
RF39 K
RF40 1K
RF44 1K
RF46 1K
RF49 1K
RF50 1K
RF36 1K
RF35 1K
RF34 1K
RF33 1K
RF32 1K
RF31 1K
RG55 1K
CG56
0.022
CG04
0.01
DG05
1SS133
RG37
1K
RG36 3.3K
QG01
KRC102M
QG03
KTC3199GR
RG32
100
ZDF01
MTZJ3R3A
RG31
1K
DG02
1SS133
DG04
1SS133
CG03
3.3/50
CG02
0.01
QG02
KTC3199GR
RG34
10K
RG30
150
RG29
150
CG01
470/10
RG35
1K
DG03
1SS133
RG33
10K
LG01
2.2
µ
H
CG57
47/25
RF48 1K
RG20 10K
RG21 10K
RG22 10K
RG22 10K
RG17
10K
RG15
10K
RG39
82
RF47 1K
RF42 1K
RF43 1K
ND(
µ
-CON)
RESET
POINT
4V(
µ
-CON)
PE_SOL
GH_SP
_BIAS
_MUT
_T1/T2
C_MUT
C_MUT
+4V
SPEED(M)
MOTOR
M_SW
CRO S
CRO S
B-FP S
A-FP S
B-FP S
A-FP S
–15V
+12V(A)
R OUT
L OUT
C IN(C OUT)
SL IN(LS OUT)
SR IN(RS OUT)
SW IN(SW OUT)
SW IN(SW OUT)
CD GND(D1)
GND(D)
CD GND(D2)
+7.3V(CD)
+12V(M)
+4.6V(D)
+4.6V(D)
LT_SW
P34 2-G,P35 9-G
TO PRE SECTION
GND(D)
VR CLK
VR DATA
VR LA TCH
VR LA TCH
FUNC A
FUNC B
NT_RLY
CONT
+4V
CONTROL
AUX 2
L-CH OUT
GND(A)
R-CH OUT
L-CH OUT
GND(A)
R-CH OUT
VIDEO2 IN
VIDEO1 IN
P34 2-G
TO PRE SECTION
AUX 2
AUX 1
P
+5V(AC32A)
CD GND(D2)
CD GND(D1)
+7.3V(CD)
GND(M)
VGND
GND(D3)
GND(D4)
GND(D4)
+5V(AC32B)
VR DI
CLK2
TAPE L
TAPE R
AUX 1
_R/P
_PB-EQ
RF41 1K
AT CUT
+B
+B
+B
+B
+B
+B
–B
RESET
1
2 3
+B
+B
+B
+B
+B
+B
+B
+B
–B
–B
28
18
19
27
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
66
69
59
60
61
62
63
18
19
64
56
57
58
54
55
47
48
49
50
51
52
53
46
3
7
POWER
VOLT SW
SP PROT
SP PROT
POSISTOR
H/P SW
SP LEVEL
FAN CONT
SP LEVEL
FAN CONT
FRNT RLY(1)
+4.6V(D)
GND(D)
SW RLY(4)
REAR RLY(3)
S-MUTE
CENT-MUTE
REAR-MUTE
SWF-MUTE
AMP CONT
+12V(A)
GND(A)
–15V
+12V(M)
GND(A)
+12V(A)
+12V(A)
IN(R)
IN(L)
RR IN
QS_SPRED
OUT(L)
OUT(R)
RL IN
C IN
RL OUT
RR OUT
RR OUT
C OUT
QS_MO
QS_AC
+B
+B
+B
+B
+B
–B
–B
+B
–B
+B
+B
+B
67
68
69
70
71
72
73
54
55
58
56
57
76
27
76
57
86
18
87
58
55
54
77
28
19
18
56
AC3-SW-CHOUT
AC3-RS-CHOUT
AC3-LS-CHOUT
AC3-LS-CHOUT
AC3-C-CH OUT
AC3-R-CH OUT
AC3-L-CH OUT
SPEC ANA
AC3-L-CH OUT
SPEC ANA
–15V
+12V
AGND
AGND
AGND
RT IN
LT IN
TUN L
TAPE L
AUX 1
AUX 2
TUN R
TAPE R
AUX 2
AUX 1
78
15
80
81
82
17
84
85
SR IN(RS OUT)
SL IN(LS OUT)
C IN(C OUT)
SW IN(SW OUT)
LT IN
RT IN
V-SW(V1/V2)
L OUT(LIN)
R OUT(RIN)
AGND
1
CFWU01
2
3
4
5
6
7
8
9
10
+B
–B
+B
1
CFWU02
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
+5V
A+12V
AGND
VGND
+5V(AC3_A)
+5V(AC3_A)
(AC3_B)
A-15V
GND(D3)
GND(D4)
GND(D4)
SO
DGTL1
SP CONF
DEM0
DEM1
SCK
AC3_RES
SI
AD RES
SS
DGTL2
FWA01
P47 8-H
TO DOLBY PWB
CFWA01
1
20
FWA02
P46 5-H
TO DOLBY PWB
CFWA02
10
1
+B
–B
AC3-C-CH OUT
AC3-L-CH OUT
AC3-R-CH OUT
AC3-LS-Ch OUT
AC3-RS-CH OUT
AC3-SW-CH OUT
76
57
56
58
55
54
P34 4-G
TO PRE SECTION
81
18
85
80
18
84
MAIN PWB-A(1/5)
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
P38 2-H
TO QSOUND SECTION
CENT RLY(2)
P36 1-G
TO VOLUME SECTION
P37 12-D
TO VOLUME SECTION
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