Sharp CD-C492 Service Manual page 42

CD-C492/492C
A
FWP1
CFWP1
B
TO MAIN PWB
P29 12-D
C
D
E
FWP2
CFWP2
TO MAIN PWB
P29 12-B
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.
1
SPEAKER AMP. 2 PWB-F2
CV11
2.2/50
OUT3 16
CV15
CENTER
RELAY2
15
470P
OUT1(L-CH)
14
FR
RELAY1
13
GND(A)
12
CV16
FAN CONT
11
470P
OUT2(R-CH) 10
SP LEVEL 9
GND(M)
8
H/P SW
7
+12V(M)
6
FAN SW
5
VOL2SW
4
CV12
PROT
3
2.2/50
POSISTOR
2
AMP
1
CY11
2.2/50
CY13
470P
CX11
2.2/50
OUT6
13
CX15
S.W
RELAY4
12 470P
OUT4 11
GND(M) 10
OUT5
9
CX16
+B
+12V(M) 8
470P
GND(A)
7
FAN SW
6
SU
RELAY3
5
VOL2SW
4
PROT 3
POSISTOR 2
AMP
1
CX12
2.2/50
CY51
2.2/50
CY53
470P
2 3
Figure 42 SCHEMATIC DIAGRAM (17/20)
CV13
RV17
2.2/50
1K
ICV01 –B
16
CV17
STK407-2
47P
POWER AMP
15
11
CV21
RV23
15P
1K
RV21
RV35
56K 2.2K
QV16
RV19
KTC3199 GR
RV36
270
22K
CV19
RV34
100/50 15K
CV24
RV20
RV37
DV21
270 47/50
47K
CV20
1SS133
RV38
100/50
RV71
CV27
10K
820
0.001/6.3
RV22
56K
RV63
120K
RV24
CV22
RV33
15P 1K
10K
1
2
14
10
13
ICV01 –A
CV14
RV18 CV18
2.2/50 POWER AMP
1K 47P
12
7
6
CY12
RY12
2.2/50
1K
18
ICV01 –C
CY14
POWER AMP
47P
17
CY15
RY13
15P
1K
RY14
RY15
56K
RY11
270
56K
CY16
100/50
CX13
RX15
2.2/50
1K
ICX01 –A
16
CX17
STK407-2
47P
POWER AMP
15
11
CX19 RX23
RX35
15P 1K
2.2K
RX21
RX36
56K 22K
QX18
KTC3199 GR
RX34
CX21
15K
100/50
RX38
RX20
RX37
RX71
DX21
10K
270
47K 820
1SS133
CX22
CX27
100/50
0.001/6.3
RX22 56K
RX33
120K
RX24
CX20 RX55
1K
15P 10K
1
2
14
10
13
ICX01 –B
RX16 CX18
POWER AMP
1K 47P
12
CX14
7
2.2/50 6
CY52
RY52
2.2/50
1K
18
ICX01 –C
CY55
POWER AMP
47P
17
CY56
RY53
15P
1K
RY54
RY55 56K
RY51
270
56K
CY54
100/50
4
– 42 –
QV13
KTC3199 GR
DV13
1SS133
RV27
10K
CV25
0.022
RV29
0.2(1W)
9
5
DV15
RV69
1SS133
0.2(1W)
RV25
100
Fusible
(1/2W)
CV23
47/50
RV26
100(1/2W)
Fusible
RV70
0.2(1W)
19
4
3
8
RV30
0.2(1W)
CV26
0.022
CV30
3300/50
RV28
10K
DV14
1SS133
QV14
KTC3199 GR
QY11
KTC3199 GR
RY18
DY11
10K
1SS133
CY17
0.022
RY16
0.2(1W)
20
RY26
0.2(1W)
+B
QX13
KTC3199 GR
DX13
1SS133
RX27
10K
CX25
0.022
RX29
0.2(1W)
9
5
DX15
RX69
1SS133
0.2(1W)
RX25
Fusible
100(1/2W)
CX23
47/50
CX24
47/50
RX26
Fusible
100(1/2W)
RX70
19 0.2(1W)
4
3
8
RX30
0.2(1W)
CX26
0.022
CX30
3300/50
RX28
10K
DX14
1SS133
QX14
KTC3199 GR
QY51
KTC3199 GR
RY57
DY51
10K
1SS133
CY57
0.022
RY56
0.2(1W)
20
RY66
0.2(1W)
5
QV18
KTC3199 GR
QV1
KTC3199
CV28
47/50
CV29
3300/50
CNPV12
1 2 3 4 5 6 7
CNS90
TO POW
P44
QX15
KTC3199 GR
QX16
KTC3199
CX28
47/50
CX29
3300/50
+B
CNPX12
1 2 3 4 5 6 7
CNS904
TO POWER PWB
P44 4-A
6