Sharp CD-BA250H Service Manual page 27

FM SIGNAL
+B
R981 680
R988 680
R982 680
R986 680
R968
4.7K
RL914
950
0.1
ML)
D914
952
DS1SS133
0.1
ML)
0.2V
958
Q914
.7
4.4V
KTC3199GR
R973
+B
47K
POWER PWB-A2
CNP902
CNS902
BI902
1 1 1
2 2 2
TS6B04GM
3 3 3
+B
4 4 4
5 5 5
6 6 6
R983
7 7 7
220K
8 8 8
9 9 9
DS1N404S
10 10 10
R978
R977
47
D806
DS1SS133
CNP803
+B
SW_5 V
1
SUB_+B +B
2
UM_SW_5 V
+B
3
803
AC_RLAY
M
4
R803
PWB
1K
2-E
GND
5
P_IN
6
R804
220K
7
MAIN PWB-A1 (2/3)
+B
R967
4.7K
L921
C954
C958
0.022 0.022
+B
C956 C960
0.022
0.022
R960
6.8
F901
T4A L 250V
C901
0.1(ML)
F902
D901 C902
T4A L 250V
0.1(ML)
D905
D902
DS1N404S
DS1N404S
C905
0.1(ML)
C906
D904
0.1(ML)
D903
DS1N404S
R984
ZD902
47K
DZ110BSB ZD901
DZ330BSB
C911
47/50
–28V
–33V
47 –28V
R906
D908
ZD903
Q901
10
DS1N404S
DZ6.2BSA
KTA1274 Y
+B
+B
R801
220
D805
DS1N404S
D804
DS1N404S
C803
R802 470/35
47K
8
Figure 27 SCHEMATIC DIAGRAM (6/9)
R969
4.7
2
C967
47/50
1
D915
R970
DS1SS133
1K
+B
R972 C968 R971
15K 10/50 68K
1
5
L920
C955 C959
0.022 0.022
C957 C961
C962
0.022 0.022
0.001
C963
R962 R963 0.001
R961
6.8
6.8 6.8
C964 C965
0.001
0.001
F904
T2A L 250V
F903
T2A L 250V
C908
100/50
T.F.
PT801
MAIN POWER
TRANSFORMER
+B
D802
DS1N404S
D803
DS1N404S
C802
0.047(ML)
PT802
SUB POWER
TRANSFORMER
9 10
– 27 –
CD-BA250H/CD-BA2600H
CNS971
2
M
1
M901
FAN MOTOR
HEADPHONES
PWB-B2
C735
1
220P
2
3
4
5
C734
JK701
220P
HEADPHONES
FW981
SO901
SPEAKER
TERMINAL
+
SP_LCH
+
SP_RCH
6 OHMS MIN
–
SP_LCH_GND
– SP_RCH_GND
TRANSFORMER
PWB-A3
RL801
C801
0.047/250
L801
LINE FILTER
When Servicing, pay attention as the
area enclosed by this line ( ) is
directly connected with AC main voltage.
11
LUG1
LUG2
AC POWER
SUPPLY CORD
AC 230 V, 50 Hz
12