Sharp CD-BA250 Service Manual page 19

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