Sharp CD-BA250H Service Manual page 21

+B4
Q603
Q604
Q612
Q613
REC/PLAY
1
28
7
29
IC701
IX0401AW
VF4
(2/2)
P
P.
T1/T2
BIAS
1 2 3 6
Q701-Q703
67
78
79
80
89
90
92
93
100
+B7
SP. DET. Q907
Q908
1 7
L
R
15
10
–Vcc
13
+Vcc
9
8 STK4029S
POWER AMP.
–B1
+B1
IC902
KTC2026
M+12 V
+B3
VF2
A+10 V
IC903
+B4
KIA7810AP
VOLTAGE REGULATOR
–VP
IC904
KIA7805AP
CONSTANT VOLTAGE REGULATOR
SW 5 V
+B6
D806
SW +5 V
+B5
+B7
UNSW 5 V
Figure 21 BLOCK DIAGRAM (3/3)
FL701
FL DISPLAY
13 14 16 23 31
+B5
66 65 64 63 55 54 53 52 51 50 49
VLOAD
IC701
IX0401AW
SYSTEM
MICROCOMPUTER(1/2)
1 2 4 5 6 7 9 10 11 12 13
XL700
4.194304 MHz
+B7
Q709
Q902
Q903
Q905
-B2
Q904
R-OUT
L-OUT
IC901
F901
T4A L 250V
D901
F902
T4A L 250V
F904
D902~D905
T2A L 250V
F903
T2A L 250V
Q901
Q801
IC905
AN78L05
VOLTAGE REGULATOR
– 21 –
CD-BA250H/CD-BA2600H
33 47 48 49
44
+B7
48 47 46 45 44 43 42 40
39
36
35
+B7
AVDD 34
33
31
22 24
15 16 17 20 21 23
+B7
Q914
RY914
PT801
MAIN POWER
TRANSFORMER
T.F.
D802-805
RX701
REMOTE
1 3
SENSOR
2
+B5
KEY
SW701-SW707
SW712-SW718
SW720-SW727
SW729-SW732
TO CD
SECTION
+B3
JK701
HEADPHONES
+B6
M
Q906
M901
FAN MOTOR
MAIN
GROUND
AC POWER
SUPPLY CORD
RL801
AC 230 V, 50 Hz
L801
LINE
FILTER
PT802
SUB POWER
TRANSFORMER