SD-AT100 (serv.man5). 4 - Schematic diagrams (72-94) - Sharp Audio Service Manual (repair manual). Page 14

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– 85 –
SD-AT100H
Figure 85 SCHEMATIC DIAGRAM (14/23)
7
8
9
10
11
12
3
1
8
4
2
5 6
7
2 3
1
W_P 
W_M 
FL_P
FL_M
RL_P
RL_M
C_P 
C_M 
RR_M
RR_P
FR_P
FR_M
R-CH
L-CH
REAR
FRONT
FRONT 
WOOFER 
CENTER
R-CH
L-CH
REAR
–B_DRIVER
AMP_VCC
GND
–B_AMP
+B_AMP
–B_DRIVER
AMP_VCC
GND
–B_AMP
+B_AMP
AMP_VCC
–B_DRIVER
+B_AMP
–B_AMP
GND
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
-B
-B
-B
-B
9
10
11
12
9
10
11
12
12
10
11
8
5
7
6
8
5
7
6
6
5
9
4
3
1
2
4
3
1
2
7
8
3
4
2
1
5
5
5
4
4
4
3
2
1
1
2
3
3
2
1
+
+
FROM
1-BIT AMP. PWB
P87  12 - F
P87  12 - F
P87  12 - F
CNSA111C
FROM
1-BIT AMP. PWB
CNSA111B
FROM
1-BIT AMP. PWB
CNSA111A
SPEAKER B
PWB-E2 
CNP709
CNP708
CNP701
CNP702
CNP703
R770
27K
R769
27K
Q717
KTC3875 GR
R768
270
R767
270
R766
22K
R765
2.2K
R764
27K 
R762
270
R761
270
Q716
KTA1504 GR
R763
27K
R778
27K
R777
27K
D717
KDS160
D716
KDS160
D715
KDS160
R759
270
R760
27K
Q715
KTC3875 GR
R758
270
R756
270
R755
270
Q714
KTA1504 GR
R775
27K
R776
27K
D714
KDS160
C708
0.0022
R757
27K
R753
270
R752
270
Q713
KTC3875 GR
R754
27K
R774 27K
R749
270
R750
270
Q712
KTA1504 GR
R751
27K
R773
27K
D712
KDS160
R779
1M
R780
1M
D713
KDS160
IC702
KIA7806AP
VOLTAGE REGULATOR
C712
10/16
C713 10/16
R746
0.11
R745
0.11
R744
0.11
R743
0.11
C755 0.01
C756 0.01
C757 0.01
C758
330P
C747 0.01
C748 0.01
C749
0.01
C750
0.01
C751 0.01
C752 0.01
C754
0.01
D722
KDS160
R790
0.2M
IC701
NJM4565M
BUFFER
AMP.
R781 22K
R782 22K
R783 22K
R784 22K
D719 KDS160
D721
KDS160
R787
0.2M
R786
100K
C710
0.022
C709
0.022
R785
100K
D720
KDS160
D718
KDS160
R788
10K
C711 0.1
R789 100K
Q718 KTC3875 GR
C759
0.001
C760
0.001
C761
0.001
C762
0.001
C764
0.001
C763
0.001
SO701
SPEAKER
TERMINAL
R747
0.11
R748
0.11
C753 0.01
R771
2.2K
R772
22K
C707
0.0022
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