Service manual

CD-SW300
4 – 3
Figure 4-3: BLOCK DIAGRAM (3/3)
Q905
-VF
VF2
VF1
Q801
Q841
+B2
+B3
+B4
+B5
+B6
+B7
-B1
+B1
-B2
+B5
+B3
+B8
26
R
L
+B8
RX701
REMOTE
SENSOR
D803,
D804
D846
D802
D801
RL901,
RL902
JK692
HEADPHONES
M901
FAN
MOTOR
M
Q910
Q712
Q
607
IC901, IC902
STK41241
POWER AMP.
F803
2A/125V
VOLTAGE
REGULATOR
F804
2A/125V
F801
5A/125V
F802
5A/125V
R-OUT
L-OUT
Q901~
Q908
D901~D906
CLK
SO901
SPEAKER
TERMINAL
SO902
SUBWOOFER
TERMINAL
47
VLOAD
RESET
+B8
+B8
+B8
VDD
AVDD
~~
CE DI DO
XL701
4.19 MHz
~
BIAS
T
1/T2
AVDD
SW701-SW705
SW707-SW716
KEY
TO CD
SECTION
IC701
IXA092AW
SYSTEM
MICROCOMPUTER
(1/2)
FL701
FL DISPLAY
W
2
3
27
5150
81
1 54515253
1011
14
18
2
78
57
812 45
1
2
3
11
6
7
1
5
8
98
100
99
2
4
34
32
25
18
+B8
VDD
79
16 1742 1312 20 23 28 29 30 31
36
80
26 3837 39
40
55
15 14
39
41
T.F.
PT801
MAIN POWER
TRANSFORMER
SYSTEM
MUTE
~
~
~
~
TAPE
MECHANISM
ASS'Y
RESET
SP DET.
SP RELAY
ON-OFF
FAN MOTOR
DRIVER
R
F805
6A/125V
RL841
AC POWER
SUPPLY CORD
AC 120 V, 60 Hz
PT841
SUB POWER
TRANSFORMER
D842~
D845
RELAY
DRIVER
AC_RLY
IC854
KIA78L05
31
VOLTAGE
REGULATOR
IC807
KIA7812AP
IC808
KTC2026
3
3
C
E
VOLTAGE
REGULATOR
IC806
KIA7810AP
VOLTAGE
REGULATOR
+B8
UN
SW_5.6V
1
1
M+13V
A+10V
IC805
KIA7805AP
3
VOLTAGE
REGULATOR
1
SW5V
LD+8V
A5V