Read Sharp SD-CX1 (serv.man7) Service Manual online
– 51 –
SD-CX1H
Figure 51 SCHEMATIC DIAGRAM (10/14)
7
8
9
10
11
12
3
2
1
1
+
+
-
-
MAIN TRANS PWB-B3
SUB TRANS
PWB-B4
+B
+B
+B
+B
+B
+B
+B
–B
–B
–B
-B
ICV99
2.8V
0V
0.7V
3.5V
1
1
2
2
3
3
0V
0.1V
2
3
1
D900~D903
DS1N404S
AC 230V, 50Hz
QV87,QV88,QV90,QV91,QV93,QV94:
FAN CONTROL
ICV98
When Servicing, pay attention as the area enclosed
by this line ( ) is directly connected with AC
main voltage.
by this line ( ) is directly connected with AC
main voltage.
8
7
6
5
4
3
2
1
4
3
3
5
6
7
3
5
6
7
5
6
7
4
4
2
1
2
1
2
1
T.F.
2
1
2
POWER
4
3
2
1
4
3
2
1
4
3
2
1
PROTECT
FAN_L
SP_RELAY
8
7
6
5
4
3
2
1
R+
R–
L–
L+
L-CH
R-CH
3
2
1
-33.8V
-45.5V
-34.3V
4.6V
4.6V
-11.2V
-0.3V
1.6V
10.9V
-9.8V
-0.3V
4.9V
-11.3V
-4.7V
-4.7V
-0.1V
1.6V
-0.1V
-10V
10.9V
0V
4.7V
0V
0V
0V
0V
4.7V
11.9V
5.2V
0V
5.9V
0V
11.9V
11.9V
0V
0V
11.8V
0.7V
0.1V
2
1
GND
GND
PROTECT
R800
2.2K
RLV99
RELAY
CV66
1/50
CV67
1/50
CV82
47/25
PS801
4.7
C801
0.22
C800
0.22
D800
TS4B03G
RV44
10K
RV84
0.2(1W)
RV96
0.2(1W)
C840
3300/25
C841
3300/25
C806
1000/25
C807
4700/25
C802
0.047
(ML)
D803
2A02M
D804
2A02M
D802
2A02M
D801
2A02M
C803
0.047
(ML)
D806
DS1N404S
D823
DS1N404S
C812
47/50
ZD800
DZ33BSD
RV98
220
RV94
15K
RV95
15K
RV92 5.6K
RV93 5.6K
RV90
10K
RV91
10K
RV45
2.2K
SOV99
SPEAKER
TERMINALS
SPEAKER
TERMINALS
QV89
KRC104 M
QV88 KTC3199 GR
QV90
KTA1271Y
RV55
100K
DZ5
.1BSB
R801
100
DV93
DS1SS133
RV50
1K
RV49
220
CV74 10/16
ZDV98
DZ6.2BSA
QV91
KTC3203 Y
RV48
10K
RV56
10K
QV92
KTC3199 GR
RV57 100K
RV58 4.7K
QV93
KRC107 M
QV94
KRC107 M
QV87
KTC3199 GR
RV51 100K
CV73
47/25
CV72 47/25
RV54 120K
RV53
4.7K
DV87
DS1SS133
DV88
DS1SS133
RV59 22K
RV60 22K
CV96
0.0022
RV89
180K
RV68
100K
RV80
5.6K
RV81
5.6K
RV76
180K
CV90 0.0022
DV92
DS1SS133
QV99
KTC3199 GR
RV67
10K
RV71
390
CV79
47/25
CV78
0.022
RV72
10K
RV70
1.2K
CV77
0.01
RV69
220
RV73
180K
CV80
0.0022
RV86
10K
DV91
DS1SS133
RV87
100K
CV93
0.022
CV94
47/25
RV88
180K
CV95
0.0022
RV74
220
RV75
220
CV81
0.022
CV88
0.022
CV89
47/25
RV79
10K
RV78
10K
RV83
15K
RV82
15K
CV76
0.1
CV75
0.1
DV90
DS1SS133
C808 100/50
D807
DS1N404S
D805
DS1N404S
C810 100/50
D808
DS1N404S
C809 470/50
BI800
CN902
CNPV97
C811 47/63
C813 47/50
Q800
KTA1023 Y
DV89
DS1SS133
RV62
15K
RV64
15K
RV66
5.6K
RV65
5.6K
QV95
KTC3199 GR
RV63
15K
RV61
15K
QV96
KTC3199 GR
QV98
KTC3199 GR
QV97
KTC3199 GR
T901
MAIN POWER
TRANSFORMER
CNPV98
BI901
CNP901
C903
470/25
BI900
D904
DS1SS133
R901
4.7K
R902
47K
Q900
KTC3199 GR
T900
SUB POWER
TRANSFORMER
D900
D901
D902
D903
C902
0.047
(ML)
C901
0.047
(ML)
RL900
RELAY
L900
LINE
FILTER
C900
0.0047
SO900
AC POWER
INPUT SOCKET
F803
T2.5A L 250V
F801
T5A L 250V
F802
T5A L 250V
M
ICV99
KIA4558P
OPE AMP.
CNS900
CNS901
CNS800
M97
FAN
MOTOR
ICV98
KIA4558P
OPE AMP.
CV83 22/16
AC POWER
SUPPLY CORD
AC 230V, 50Hz
SUPPLY CORD
AC 230V, 50Hz
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