Sharp CD-BA300 Service Manual page 19

+B4
+B4
–20dB
ATT
Q603 Q605
8
Q606
Q604
SYSTEM
5
L
MUTE
6
2
R
3
IC903
REC/PLAY
KIA4558P
OPE AMP.
1
27
IC701(2/2)
IX0398AW
7
28
8P
MP.
T1/T2
BIAS
1 2 3
Q701-Q703
Q710-Q712
+B5
Q906
Q905
SP. DET.
Q907
Q908
IC901
STK40271
1
POWER AMP.
15
+Vcc
8
IC902
STK4029
1
7 L L
POWER AMP.
R
R
15 11
1
13
–Vcc
+Vcc
9
8
–B1
+B1
M12V
+B3 Q850
VF2
VF1
Q851
+B4
A+10V
–VF
UN-SW5V
+B5
+5V
+B6
Figure 19 BLOCK DIAGRAM (3/3)
FL701
FL DISPLAY
~ ~ ~
6 14 15 20 29 34
57 56 55 54 53 52 51 50 49
60
78
79 VLOAD
IC701(1/2)
80
IX0398AW
85
SYSTEM MICROCOMPUTER
86
91
92
100
1 2 4 5 6 7 9 10 11 12 13 15 16 17
XL701
4.194304MHz
+B5
Q709
7 R-OUT
L-OUT
11
13
–Vcc
9
Q902
Q901
Q903
Q904
–B2
7
R-OUT
5A/125V
L-OUT
+B2
4A/125V
D802
4A/125V
D803
5A/125V
D804~D807
2A/125V
2A/125V
Q801
AN78L05
Q821
KIA7805AP
Q852
– 19 –
JOG701
~
35 53 56 57 58
+B5
48 46 45 44 43 42 41 40
39
38
37
36
35
+B5
34
AVDD
33
31
20 21 22 23 24
+B5
Q909
RY901
RY902
T801
F803
POWER TRANSFORMER
F801
F802
F804
F806
F805
T.F.
CD-BA300
JOG
RX701
REMOTE
1 3
SENSOR
2
+B5
KEY
SW701-SW703
SW709-SW716
SW722-SW729
SW731-SW734
TO CD
SECTION
+B3
JK670
HEADPHONES
+B6
M
Q910
M901
FAN MOTOR
MAIN
SUB WOOFER
SO901
AC POWER
SUPPLY CORD
AC120V/60Hz