Read Sharp CD-BA250 (serv.man6) Service Manual online
– 27 –
CD-BA250H/CD-BA2600H
Figure 27 SCHEMATIC DIAGRAM (6/9)
7
8
9
10
11
12
4.4V
0.2V
–28V
–28V
–33V
+
M
2
1
6 OHMS MIN
SP_RCH_GND
SP_LCH_GND
SP_RCH
SP_LCH
MAIN PWB-A1 (2/3)
FM SIGNAL
AC POWER
SUPPLY CORD
AC 230 V, 50 Hz
TRANSFORMER
PWB-A3
POWER PWB-A2
2
1
R1_OUT
L1_OUT
1
2
3
1
2
3
7
4
5
6
9
8
10
7
4
5
6
9
8
10
1
2
3
7
4
5
6
9
8
10
OM
Y PWB
12-E
P_IN
AC_RLAY
GND
UM_SW_5 V
SUB_+B
SW_5 V
6
2
1
3
4
5
T.F.
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
HEADPHONES
PWB-B2
1
1
5
2
3
4
5
3
4
5
When Servicing, pay attention as the
area enclosed by this line ( ) is
directly connected with AC main voltage.
area enclosed by this line ( ) is
directly connected with AC main voltage.
S803
+
+
+
–
–
–
C802
0.047(ML)
R981 680
R988 680
R988 680
R986 680
R982 680
R977
47
R978
47
R984
47K
C963
0.001
C962
0.001
R804
220K
R802
47K
R803
1K
Q801 KTC3199 GR
R801
220
C805
1000/35
BI902
CNS902
R983
220K
220K
ZD902
DZ110BSB
C909 100/50
D907
DS1N404S
ZD901
DZ330BSB
C911
47/50
C912 47/50
ZD903
DZ6.2BSA
R905 47K
C913 100/35
R907 12K
R968
4.7K
C967
47/50
R969
4.7
CNP971
R963
6.8
R961
6.8
R962
6.8
R960
6.8
C961
0.022
C959
0.022
C957
0.022
C955
0.022
C960
0.022
C958
0.022
C956
0.022
C954
0.022
L920
L921
D806
DS1SS133
C906
0.1(ML)
C905
0.1(ML)
R906
10
Q901
KTA1274 Y
R904 2.2K
C910
220/50
D904
DS1N404S
D902
DS1N404S
D903
DS1N404S
D905
DS1N404S
C908
100/50
D906
DS1N404S
D908
DS1N404S
C902
0.1(ML)
C901
0.1(ML)
PT801
MAIN POWER
TRANSFORMER
LUG2
LUG1
RL801
C801
0.047/250
D801
DS1SS133
L801
LINE FILTER
R973
47K
Q914
KTC3199GR
CNP803
C950
0.1
(ML)
C952
0.1
(ML)
R958
4.7
C803
470/35
R967
4.7K
D915
DS1SS133
R972
15K
C964
0.001
C965
0.001
PT802
SUB POWER
TRANSFORMER
D804
DS1N404S
D803
DS1N404S
D802
DS1N404S
D805
DS1N404S
Q906 KTC3203 Y
D914
DS1SS133
RL914
R970
1K
R971
68K
C968
10/50
F904
T2A L 250V
F902
T4A L 250V
F903
T2A L 250V
F901
T4A L 250V
CNP902
D901
TS6B04GM
FW981
CNP981
JK701
HEADPHONES
C734
220P
220P
C735
220P
220P
CNS971
M901
FAN MOTOR
SO901
SPEAKER
TERMINAL
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