Sharp CD-BA250 Service Manual page 19

+B4
0dB
TT
Q601
Q602
REC/PLAY
+B4
8
561
1
28
562
7
29
61,IC562
VF1
A4558P
PE AMP.
T1/T2
BIAS
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FL DISPLAY
1 2 3 6 13 14
Q701-Q703
57 56
67
78
80
VLOAD
79
81
89
90
92
93
100
1 2 4 5 6 7 8
+B5
SP. DET.
Q907
Q908
Q902
Q903
Q905
Q904
1
L-OUT
L 7
R 10
15 R-OUT
Vcc
–
13
+Vcc
9 IC901
8
STK4029S
POWER AMP.
-B1
+B1
M12
D902~D905
+B3 IC902
VF2
KTC2026
IC903
+B4
A+10V
KIA7810AP
VOLTAGE REGULATOR
–VF
+5V
UN-SW5V
IC904
+B5
KIA7805AP
CONSTANT VOLTAGE REGULATOR
Figure 19 BLOCK DIAGRAM (3/3)
– 19 –
FL701
16 23 31 32 44
+B5
55 54 53 52 51 50 49 48 46 45 44 43
IC701
IX0399AW(1/2)
SYSTEM
MICROCOMPUTER
9
1 0 11 12 13 16 1 7 20 21 23 22 24
+B5
XL700
4.194304MHz
+B5
Q709
–B2
PT801
POWER
TRANSFORMER
F901
4A/125V
D901
F902
4A/125V
F904
2A/125V
F903
2A/125V
Q901
CD-BA250/CD-BA2600
47
48 49
RX701
42 40
REMOTE
39 1
SENSOR
2
36
35
+B5
34
AVDD
KEY
33
SW701-SW703
SW712-SW718
31
SW720-SW727
SW729-SW732
TO CD
SECTION
+B3
JK701
HEADPHONES
+B5
Q906
M
Q914
SO901
SPEAKER
TERMINAL
RL914
AC POWER
SUPPLY CORD
T.F.
AC120V/60Hz
3
+B5
M901
FAN
MOTOR