Read Sharp CD-C491H (serv.man3) Service Manual online
– 35 –
CD-C491H
Figure 35 SCHEMATIC DIAGRAM (8/20)
7
8
9
10
11
12
CP57
22/25
RP73
22K
QP11
2SC2878 A
RP29
5.6K
CP25 0.001
CP26 0.001
RP30
5.6K
QP12
2SC2878 A
RP27
47K
RP28
47K
CP23
10/16
RP25
1K
CP24
10/16
RP26
1K
CP28
0.022
CP27
0.022
RP32
220
RP31
220
QP17
KRC107 M
SWITCHING
CP09
47/25
CP10
47/25
RP91 100
CP91
100/6.3
CFWP02
FWP02
CFWP01
FWP01
CNPP01
CNPP02
WTP02
7
3
CP44
0.001
CP58
0.068
QP15
2SC2878 A
RP70
5.6K
RP62
5.6K
CP47
0.001
CP53
0.001
QP16
2SC2878 A
S-MUTE
POWER
S-MUTE
–15V
GND(A)
+12V(A)
GND(D)
+4.6V(D)
RELAY4
RELAY3
+12V(M)
GND(M)
+7.3V(CD)
CD GND(D1)
CD GND(D2)
PROT
FAN CONT
RELAY1
SP LEVEL
H/P SW
POSISTOR
VOL SW
OUT3
H/P SW
VOL SW
RELAY2
OUT1(L-CH)
RELAY1
GND(A)
GND(A)
FAN CONT
OUT2(R-CH)
SP LEVEL
PROT
+5V(AC3-A)
GND(D3)
GND(D4)
CD GND(D1)
POWER
+5V(AC32A)
GND(D3)
+12V(M)
AMP
VF1
–VP
VF2
VF2
+4.6V(D)
GND(D)
+12V(A)
–15V
+5V(AC3-B)
RELAY4
RELAY3
OUT5
GND(A)
OUT4
OUT6
+B
1
13
OUT6
RELAY4
RELAY4
OUT4
GND(M)
+12V(M)
GND(A)
FAN SW
RELAY3
RELAY3
VOL SW
PROT
PROT
AMP
POSISTOR
1
16
VOL SW
FAN SW
+12V(M)
GND(M)
GND(A)
H/P SW
FAN CONT
RELAY1
OUT1(L-CH)
RELAY2
OUT3
OUT2(R-CH)
SP LEVEL
SP LEVEL
POSISTOR
PROT
AMP
+B
1
2
3
+B
GND(M)
+12V(M)
+12V(A)
GND(A)
–15V(A)
+4.6V(D)
GND(D)
+7.3V(CD)
CD GND(D2)
VGND
VOLTAGE
REGULATOR
QP91
2SD468 C
VF2
–VP
VF1
P40 1-B
TO DISPLAY PWB
FWD02
+B
+B
+B
VGND
+B
–B
+B
+B
–B
+B
FM SIGNAL
TO SPEAKER
AMP.2 PWB
P44 1-F
P44 1-B
P42 1-G
P42 5-G
P42 9-G
TO SPEAKER
AMP.1 PWB
CFWX11
CFWV11
TO POWER PWB
CNS901
TO POWER PWB
CNS902
TO POWER PWB
FW901
QP13
2SC2878 A
RP47 5.6K
CP37 0.001
CP38 0.001
RP48 5.6K
QP14
2SC2878 A
GND(A)
+B
1 2 3
13
12
11
10
9
8
7
6
5
4
3
1
16
7
6
5
8
9
4
3
3
1
10
11
12
13
14
15
2
3
5
11
10
4
1
1
2
3
4
4
1
2
2
3
WTP01
2
OUT5
2
POSISTOR
6
7
8
9
GND(D4)
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
RELAY2
29
27
19
18
28
33
MAIN PWB - A ( 3 / 5 )
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