CD-BA1700 (serv.man7). Part 2 - Notes on diagrams, Block diagrams, Schematic diagrams - Sharp Audio Service Manual (repair manual). Page 8

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– 27 –
CD-BA160H/1700H
Figure 27 SCHEMATIC DIAGRAM (4/10)
7
8
9
10
11
12
-28V 
-28V 
-33V 
4.4V 
0.2V 
R1_OUT
L1_OUT
3
4
4
5
5
6
6
7
7
8
8
M
2
2
1
1
1
1
2
2
1
2
3
4
5
2
1
3
C931
22/50 
8  OHMS  MIN
16  OHMS  MIN 
1
5
2
1
AC  POWER
SUPPLY  CORD
POWER PWB-B
+
+
+
+
L-CH
L-CH
L-CH 
GND
R-CH
R-CH
R-CH 
GND
R-CH 
GND
L-CH 
GND
HEADPHONES PWB-A3
5
1
2
3
4
5
1
5
1
M901
FAN MOTOR
+
MAIN PWB-A1(2/3)
C930
22/50 
VOLTAGE REGULATOR 
FM SIGNAL 
C971
47/50 
R975
4.7(1/2W)
D971
DS1SS133
C972
10/50
R972
68K
R971
1K
R973
15K
Q971
KTC3203 Y
CNS971
CNP971
CNP951
FW951
R951
330(1/2W) 
C952
220P
C951
220P
JK951
HEADPHONES 
L951
2.2uH 
R952
330(1/2W) 
R954
4.7K
R953
4.7K
RL951
RELAY 
D951
DS1SS133
Q951
KRC107 M 
SO901
SPEAKER
TERMINALS
FOR
CD-BA160H
2 SPEAKER
R922
6.8 
C922
0.022
C920
0.022 
R924
6.8
C925
0.022 
C927
0.022 
R921 
6.8
C923 
0.022
C921
0.022
 
L921
0.29
µ
L920
0.29
µ
H
C926
0.022 
R923
6.8 
C924
0.022 
C928
0.001
C929
0.001
R925
68
C932
0.001
R926
68
C933
0.001
C934
0.001
R927
68
1N4004S 
D871
C871
0.0047/250
L801
LINE
FILTER
SO801
AC INPUT
SOCKET
AC 230V,
      50Hz 
CNP801
RL871
RELAY 
T.F
PT801
MAIN POWER TRANSFORMER 
C873
470/35
C875
0.022
C876
0.001
R874
220 
C874
1000/6.3
R876
1K
C877
0.001 
R875
47K 
Q873
KTC3199 GR
PT871 
SUB POWER 
TRANSFORMER 
D876
DS1SS133
C872
0.047
(ML) 
D875
1N4004S
D874
1N4004S
D872
1N4004S 
D873
1N4004S
CNS871
CNP802
F803
T2A  L  250V
F802
T4A  L  250V
F801
T4A  L  250V
C801
0.1(ML)
C802
0.1(ML)
D801
TS6B04GM
C803
2200/50
C804
2200/50
C805
0.1 (ML)
C806
0.1(ML)
D803
N4004S 
D804
1N4004S
D802
1N4004S 
D805
1N4004S
C809
100/50
D807
1N4004S
D806
1N4004S 
C808
100/50
C810
220/50
R804
2.2K
C811
47/50
R805
47K
C812
100/50
R806
10
Q801
KTA1274 Y
D808
1N4004S
ZD802
DZ6.2BSA 
ZD801
DZ30BSB 
FW871
SO801
When Servising, pay attention as the
area enclosed by this line(                 ) is
directly connection with AC main voltage.
FRONT
SPEAKERS
SURROUND
SPEAKERS
SO902
SPEAKER
TERMINALS
FOR
CD-BA1700H
4 SPEAKER
CD-BA1700H
ONLY
+B
+B
VOLTAGE
REGULATOR
+B
+B
+B
+B 
MOTOR
DRIVER
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