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