SD-SG11 (serv.man5). 4 - Schematic diagrams (36-49) - Sharp Audio Service Manual (repair manual). Page 10

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– 45 –
SD-SG11H
Figure 45 SCHEMATIC DIAGRAM (10/14)
7
8
9
10
11
12
R838
10(2W)
D827
DS1SS133
C825
0.022
C826
0.047
(ML)
R830
330(1W)
7
25
D830
DS1SS133
D831
DS1SS133
C804
6800/25
C805
6800/25
C801
0.22
D800
TS6B04GM
C800
0.22
3
CV79
47/25
ZD830
DZ8.2BSB
CNP800
BI801
D802
2A02M
C802
0.047
(ML)
C803
0.047
(ML)
D801
2A02M
D804
2A02M
D803
2A02M
CNS800
F802
T6.3A L 250V
F801
T6.3A L 250V
F803
T3.15A L 250V
T991
MAIN POWER TRANSFORMER
Q900
KTC3199 GR
R902
47K
R901
4.7K
RL900
D904
DS1SS133
L900
AC LINE
FILTER
SO900
AC INPUT
SOCKET
AC 230 V, 50 Hz
C900
0.0047/250V
C902
0.047
(ML)
C901
0.047
(ML)
D900
D901
D902
D903
C903
470/25
T901
SUB POWER
TRANSFORMER
D900~D903
DS1N404S
LED800
DB3804X
BI800 
R800
390
CNP803
R832
1.8K
Q801
KTC3199 GR
R812
4.7K
C809
1/50
CV77
0.01
RV72 10K
RV67
10K
CV93
0.022
RV68
100K
831
(1W)
RV91
10K
RV98
1K
RV71
4.7K
RV80
5.6K
CV90
0.0022
RV78
10K
RV76
180K
BI802 
CNP806
CV88
0.022
RV87
100K C808
1/50
RV75
220K
CV81
0.022
DV91
DS1SS133
DV92
DS1SS133
RV70
1.2K
RV93
5.6K
4
RV89
180K
RV90
10K
CV96
0.0022
R836
10K
QV99
KTC3199 GR
RV69
100K
ZD831
DZ8.2BSB
RV73
180K
CV80
0.0022
RV88
180K
V82
15K
ICV99
KIA4558P OPE AMP.
RV86
10K
RV79
10K
CV95
0.0022
RV95
15K
CV78
0.022
RV92
5.6K
ICV98
KIA4558P OPE AMP.
CNS803
CNS806
DV96
DS1SS133
T
CV92
0.022
RV46
10K
ZDV99
DZ6.8BSB
QV94
KRC107 M
PSV801
4.7
Posistor
RV58
1K
QV92
KTC3199 GR
RV57
47K
RV38
4.7K
RV39
4.7K
CV71
0.022
RV40 1K
RV41 1K
RV42 1K
RV56
10K
QV85
KRC107 M
RV55
100K
RV47
2.2K
CV73
47/16
RV51
100K
RV54
120K
CV74
10/25
CV61
2.2/50
QV93
KTC3203 Y
RV50
1K
RV49
220
CV70
10/16
QV90
KTA1271 Y
QV91
KTC3199 GR
CV83
33/16
CV62
2.2/50
RV48
10K
RV53
4.7K
CNPV97
CNSV97
QV88
KRC107 M
QV87
KTC3199 GR
CV85
0.022
CORE2
DV88
DS1SS133
CV84
0.001
(ML)
CV10
0.001(ML)
CV09
0.001
(ML)
RV59
22K
DV87
DS1SS133
RLV99 
RV60
22K
DV93
DS1SS133
IC807
KIA7810AP
VOLTAGE
REGULATOR
SOV96 
SOV96~SOV99
SPEAKER
TERMINAL
SOV98 
SOV99 
SOV97 
18 
17 
16 
15 
14 
13 
12 
11 
10 
3 1 
F804
T1A L 250V
4 3 2 1 
5 6 7 8 
5 6 7 8 
4 3 2 1 
POWER 
RD 
GY
BK 
WH
L+
L–
R–
R+
POWER LED 
PWB-B4
M905
FAN MOTOR 
R-CH
L-CH
SP_RELAY
FAN_L 
R+
R–
L–
L+
VDD 
OE
Q11 
Q10 
Q9
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
LCK
CLOCK
DATA
VSS
T.F.
1
M

10 
10 
10 
9
8
5


+–
– 
V–
V+
V+
V–
+–
AC POWER
SUPPLY CORD
POWER TRANS PWB-B1
1
2
3
1
2
3
1
2
3
TERMINAL PWB-B3
SPEAKER
TERMINAL
PWB-B5
CLK 
DI
LCK 
POWER
RELAY
DRIVE
LED DRIVE
PROTECT
DRIVE
SP RELAY
DRIVE
PROTECT DRIVE
AT FAN STOP
INVERTER
FAN HIGH
SPEED KILL
FAN ROTATE
STOP
FAN HIGH
SPEED
SWITCHING
FAN LOW
SPEED
SWITCHING
When Servicing, pay attention as the area 
enclosed by this line (                   ) is directly 
connected with AC main voltage.
FM SIGNAL 
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