Sharp CD-C482, Service Manual

Page: 23 / 68

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CD-C482
Figure 23 SCHEMATIC DIAGRAM (4/20)
7
8 9 10 11 12
CP57
22/25
RP73
22K
RP30
5.6K
QP12
C3199GR
P32
20
RP31
220
QP17
C107M
QP91
D468C
RP91 100
CP91
100/6.3
S-MUTE
S-MUTE
–15V
GND(A)
+12V(A) GND(D)
+4.6V(D)
+7.3V(CD)
CD GND(D1) CD GND(D2)
FAN CONT
SP LEVEL
POSISTOR
OUT3
RELAY2
OUT1(L-CH)
RELAY1
GND(A)
FAN CONT
OUT2(R-CH)
SP LEVEL
H/P SW
VOL SW
PROT
POSISTOR
+5V(AC32A)
GND(D3) GND(D4)
VGND
+5V(AC32A)
GND(D3)
GND(D4)
+12V(M)
VF1
-VP
VF2
+4.6V(D)
GND(D)
+12V(A)
–15V
+5V(AC32B)
NC
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CFWP01 FWP01
VOL SW
FAN SW
+12V(M)
GND(M)
GND(A)
H/P SW
FAN CONT
RELAY1
RELAY2
OUT3
SP LEVEL
POSISTOR
PROT
AMP
OUT1(L-CH)
OUT2(R-CH)
11
10
9
8
7
6
5
4
3
2
1
CNPP01
+B
+B
+B
+B
+B
–B
+B
1
2
3
–15V(A)
GND(A)
+12V(A)
+12V(M)
GND(M)
+4.6V(D)
GND(D)
+7.3V(CD)
CD GND(D1)
CD GND(D2)
POWER
CNS901
TO POWER PWB
P38 1-G
CNS902
TO POWER PWB
P38 6-G
FW901
TO POWER PWB
P39 8-G
1
CNPP02
4
3
2
1
WTP01
2
3
CFWV11
TO SPEAKER AMP.PWB
P36 1-D
+B
+B
+B
+B
+B
+B
2 3 1
WTP02
VF1 –VP VF2
70 69 68 67 66 65 64 63 62 61 60
59
58 57 56 55 54 53 52 49
PROT
VOL SW
RELAY2 H/P SW RELAY1
POWER
+12V(M)
GND(M)
AMP
VGND
+B
–B
+B
+B
+B
–B
44 43 42 41 48 40
3
ICR11
GP1F38T
1
2
CR02 100/10
CR01
0.022
ZDR01
MTZJ3.3B
RR01
100
LR01
2.2
µ
H
CR03
0.001
PHOT/LED
DOUT +4.3V GND
3
CNPR11
2 1 2
CNPR12
1
DOUT GND
CNS99
FROM CD SERVO PWB
P21 11-E
FROM DISPLAY PWB
P34 1-A
CNSA11
QP11
C3199GR
RP29
5.6K
CP25 0.001
CP27
0.022
CP09 47/25
CP10 47/25
CP28
0.022
CP26 0.001
FM SIGNAL
MAIN PWB-A(1/5)
+B
DIGITAL-OUT
TO MAIN SECTION
P25 12-B
FWD02
FROM DISPLAY PWB
P32 1-B