Service manual

CD-SW250DVD
4 – 2
Figure 4-2 BLOCK DIAGRAM (2/3)
PRE AMP
QS01
QS05
QS03
CNS02
CNS01
35
1
8
KIA4558F
TO SPEAKER
LIGHT UP
IC503
NS_SW2
PHOTO
PROTECT
+B_PROTECT
+B_PROTECT
+B9
IXA059AW
AN80T53
IC851
PT801
2534176
SW711-SW728
SW701-SW705
VDD1
Q709
_
7V
KARA_LATCH
MIC SW
SWITCHING
Q866
Q860
Q608
0
7
+B
0
1T
5
3
UNSW5.6
AN78L05
IC854
FUNC_DVD
DISC TYPE
SUB-WOOFER OUT
UNSW5.6
+VCC
-VCC
SELECTOR
VOLTAGE
AC LINE
FILTER
L841
SW801
T4A L 250V
T4A L 250V
JK953
+B7(A_5V)
+B8(D_5V)
+B4
+B7(A_5V)
+B8(D_5V)
+B7(A_5V)
+B3
+B3
+B5
T2A L 250V
T2A L 250V
13V SW VCC GND 5.1V 8.5V 10V
GND
F801
SMUTE
VLOAD
AC POWER
SUPPLY CORD
AC 110/127/
AC 230-240V
50/60 Hz
SP DET
-VF1
QS15 QS11
Q609
0
1
0
2
T.F
VDD
POWER
TRANSFORMER
REGULATOR
VOLTAGE
Q801
KEY
SPAN
SELECTOR
SW601
Q905
Q904
ASS'Y
MECHANISM
TAPE
UNSW5.6
+B10
DRIVER
F804
F803
F802
R-OUT
L-OUT
IC901
STK432-070
POWER AMP.
D802
L
R
VF1
VF2
M971
Q604
Q603
Q606
Q605
RESET
SYSTEM MICROCOMPUTER
8.388MHz
REMOCON SENSOR
+B10
VDD
+B3
SO901
FAN MOTOR
IC701
FL701
FL DISPLAY
TO DVD SECTION
RX701
XL701
+B10
HEADPHONE
SPEAKER
TERMINAL
+B10
+B3
JK701
M
RL914
Q906
Q907
Q703
Q701
Q712~Q715
Q702
SYSTEM MUTE
Q901
Q902
Q903
17
14
18
15
41
28
21
19
91
92
22
26
27
67
81
47
45
50
48
79
78
51
62
53
60 80 87 86 82
5
1
2
1
3
9
10
5
7
8
15
1
2
14
32
41
21
44 45
2
2
3
2
1
46
CE DO DI CLK RESET
SP_LED
SP_RLY T_REC/PLAY T_BIAS -20dBAtt VDD
42
92
30
52
71
6615 19998
100 979317 743284 6 161611
VOLTAGE
REGULATOR
KIA7808AP
IC852
2
1
3
VOLTAGE
REGULATOR
C
-DC
RTER
MULTI REGULATOR
W
N
D
ILLU_LED/DIMMER