Read Sharp SD-AT50H (serv.man13) Service Manual online
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SD-AT50H
Figure 37 SCHEMATIC DIAGRAM (8/11)
7
8
9
10
11
12
M
8
4
8
4
1
2
3
5
6
7
1
2
3
5
6
7
A_+12V
FAN
FAN_LOCK
SP_RLY
F_S_MUTE
S_S_MUTE
SP__RLY
SP__RLY
CHASSIS
GND
FRONT
SURROND
SURROUND R-CH +
R-CH+
FRONT GND
FRONT R-CH
FRONT L-CH
SURROND GND
SURROND R-CH
SURROND L-CH
SUBWOOFER –
SUBWOOFER +
CENTER +
CENTER –
R-CH+
L-CH+
R-CH–
L-CH–
FRONT
SURROND
L-CH+
L-CH–
R-CH–
GND
R-CH
L-CH
L-CH
SUB WOOFER +
SUB WOOFER –
CENTER –
CENTER +
R-CH
SURROUND L-CH +
SURROUND L-CH –
SURROUND R-CH –
FRONT R-CH +
FRONT R-CH –
FRONT L-CH –
FRONT L-CH +
2
3
4
5
6
7
5
2 3
4
9 8
7
6
5 4
3
2
1
8
7 6
5
4
3 2
1
8
2
10
1
4
2
3
1
12 11
9
4 3
1
1 2
1 2
2 1
2 1
2
6
1
2
3
4
5
6
1
3
4
8
7
7
6
5
–
–
+
+
VSS
VDD
VDD
VSS
+
+
–
–
1
3
2
1
2
3
CNA103
P41 11 - H
TO 1-BIT AMP. PWB
CNA101
P40 6 - H
TO 1-BIT AMP. PWB
+
–
SP6
SUBWOOFER
CNA100
P41 10 - A
TO 1-BIT AMP. PWB
+B
+B
+B
+B
+B
+B
+B
-B
-B
RELAY
DRIVER
VOLTAGE
REGULATOR
SWITCHING
MOTOR
DRIVER
DRIVER
BI801
CNS801
R846 3.3K
Q814
KTC3199 GR
Q813
KTC3199 GR
R845 3.3K
Q820
KRA107 M
C826
10/16
R832
3.3K
7
6
R842
1K
C832
0.022
C830 10/16
R844
100K
R838 22K
R840 12K
C828 33P
IC812
KIA4558F
PRE AMP.
R839
12K
R835
100K
R836
100K
C825
10/16
R831
3.3K
R816
100K
C814
10/16
R812
3.3K
R819
12K
C813
10/16
R811
3.3K
R815
100K
IC811
KIA4558F
PRE AMP.
R824
100K
R822
1K
C820
0.022
C818 10/16
C816 33P
R820 12K
R818 22K
R843
100K
R841
1K
C829 10/16
R837 22K
C827 33P
C831
0.022
C817 10/16
R821
1K
R817 22K
C815
33P
C819
0.022
R823
100K
CNP801
SYSTEM CONTROL
TERMINAL
R825
3.3K
R826 3.3K
Q819
KRA107 M
Q812
KTC3199 GR
Q811
KTC3199 GR
D821
DS1SS133
C875
47/25
R896
1K
R801
1K
R805
100K
Q801
KTC3203 Y
RL803
D801
DS1SS133
R847 2.2K
D818
DS1SS133
R878
2.2K
D817
DS1SS133
RL802
R875
2.2K
R874
2.2K
D815
DS1SS133
RL801
PS811
4.7
Posistor
C856
10/16
C852
100/16
R880 120K
D813
DS1SS133
R894
10
R834
47K
C971
10/16
R895 560
Q830
KTA1271 Y
C857
47/25
R879 4.7K
Q822
KTC3199 GR
ZD813
DZ3.6BSB
R889
1.5K
Q827
KTC3205 Y
R890
220
CNP803
CNS803B
M1
FAN MOTOR
CNP802
CNP802B
SO801
SPEAKER
TERMINAL
C872
220P
C873
220P
C866
0.001
C865 0.001
C871 220P
C867
0.001
C864 0.001
C869
220P
C972
220P
C868
220P
C861 0.001
C862
0.001
C973
220P
BI803
CNS803A
L801
L802
BI802
CNS802A
C870 220P
C863 0.001
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