Service manual

– 23 –
CD-BA160H/1700H
Figure 23 BLOCK DIAGRAM (3/3)
+B2
+5V
5V
E
C/PLAY
VLOAD
+B3
RESET IC
SYS. STOP
RESET
+B2
M901
FAN MOTOR
M
+B3
+B3
+B3
+B3
VDD
VDD
VDD
L-OUT
R-OUT
SP. DET.
UNSWITCH
+5V
A10V
+B3
+B2
+B1
T
EM
E
CE
DI
CLK DO
+B1
-Vcc
+Vcc
BAIS
T1/T2
AVDD
SW601-SW623
SW625~SW628
KEY SWITCH
SECTION
TO CD
AC POWER
SUPPLY
CORD
T.F.
1 2
3
47
48 496 13
14
16
59
10
3
1
2
11 12 13 15 16
17 20
21 22 23 24
1
1
7
8
9
15
13
10
7
9
4 5 6
63
78
79
80
85
90
92
93
100
56
55
54 53
52
51
50
49
47 46
45 44
43 42
41 40
39
38
37
36
35
34
33
31
23
28
29
44
L-CH
R-CH
~
~
~
~
~
~~
~
~
~~
AVref
T-BIAS T_T1/T2
REC/PLAY
SO901
(CD-BA160H)
FOR 2 SPEAKERS
SO902
(CD-BA1700H)
FOR 4 SPEAKERS
SURROUND
SPEAKER
(CD-BA1700H
ONLY)
SO902
(FOR
CD-BA1700H)
SPEAKER
TERMINALS
+B
REMOTE SENSOR
1
3
2
RX701
TAPE
MOTOR
TO TAPE
MECHANISM
+B
3
1
2
2
2
3
1
13
RESET
X2
X1
MOTOR
DRIVER
MOTOR
DRIVER
+B2
JK951
HEADPHONES
7
1
30
29
28
E
ANA2
S
PEANA1
S
PEANA0
IC701
IX0329AW
SYSTEM MICROCOMPUTER
SO901
FRONT
SPEAKER
(FOR
CD-BA160H)
RL951
RELAY
F801
T4A L 250V
IC901
STK40204
POWER AMP.
D801
XL701
4.19MHz
RL871
RELAY
F802
T4A L 250V
D802-D805
F803
T2A L 250V
L801
IC851
PT801
MAIN POWER TRANSFORMER
PT871
SUB POWER TRANSFORMER
D872-875
Q873
IC852
IC841
Q971
Q609
IC704
Q601~
Q603
Q901
Q902
Q903
Q904
0
1
0
2
FL701
FL DISPLAY
IC704
KIA7042AP
RESET
L-CH
L-CH
L-CH
GND
L-CH
GND
R-CH
R-CH
GND
R-CH
R-CH
GND
SO801
AC INPUT
SOCKET
AC 230V
50Hz
LINE
FILTER
Q951
Q605
Q606
Q607
M
Q608
Q604
LED722
VOLTAGE REGULATOR
IC852
AN78L05
CONSTANT VOLTAGE
REGULATOR
IC841
KIA7810AP
VOLTAGE
REGULATOR
IC851
KIA7805P
VOLTAGE REGULATOR
Q801
VOLTAGE REGULATOR