Service manual

CD-SW250DVD
4 – 1
AudioCD-SW250DVDService ManualCD-SW250DVDMarketE
CHAPTER 4. DIAGRAMS
[1] Block diagrams
Figure 4-1 BLOCK DIAGRAM (1/3)
PRE AMP
QS01
35
1
48
KIA4558F
IC503
Q613
Q612
Q108
Q107
IC857
(1.8V)
DVD_1.8V
DVD_7V
OPE AMP.
TJM4558CD
ICK2
+B5
QK1
MIC AMP.
M65856SP
ICK1
MIC LEVEL
VRK1
MIC2OUT
MIC1OUT
MIC JACK
JK1/2
MIC IN
VCC
LIN
RIN
LOUT
ROUT
CLOCK
LATCH
DATA
+B4
DVD_S5V
DVD_PROTECT
DVD_A5V
DVD_D3.3V
DVD_A3.3V
LD1117V33
LD1117V
IC856
5V
SWITCHING
Q866
Q853
Q608Q607
+B
BD9701T
IC853
ATT
CD
SO302
RF
FM
B.P.F
+B9
CNP301
5.1V
+B5
ZD351
FM IF
FM IF
VT
+B5
FM OSC
AM LOOP
ANTENNA
FM
ANTENNA
IC101
AUX
VIDEO/AUX
R
L
R
L
JK690
FM
+B
+B5
CLK
+B5
AM IF
BI601
ATT
-20dB
Q104
Q101-
456kHz
10.7MHz
450kHz
REC/PLAY
CLK
CE
DI
DO DI CE
MO/ST
SWITCHING
FM/AM
PLL(TUNER)
LC72131
IC302
FM/AM
OUT
L
R
BIAS
MUTING
AC BIAS
L
L
R
R
R
L
TAPE
TUNER
DVD/CD
PB
CNS9
FROM DVD SECTION
ERASE
HEAD
SWITCHING
SWITCHING
SWITCHING
BIAS
Q113
Q114
Q112
Q110
SWITCHING
Q109
OSC
BIAS
L103
Q105
Q106
REC /P.B. HEAD
TAPE
R-CH
L-CH
AUDIO PROCESSOR
LC75341
IC601
H/N
P.B
+B5
R
L
REC
R
L
REC
NOR/
HIGH
RREC
L REC
SWITCHING
L(TA)
R(TA)
PLAYBACK AND RECORD
/PLAYBACK AMP.
AN7345K
R
L
FM/AMMPXIN
STEREO
AM RF IN
AM OSC IN
FM
Q360
VT
OSC
4.5MHZ
X352
COVERAGE fL
AM BAND
AM TRACKING fL
T303
T306
X351
MO/STVCOFM
DET
FM+BGNDAM IF
CF351
FM IF DET./
FM MPX./AM IF
LA1832S
IC303
AM MIX
OUT
CF352
T351
CF303
T302
FM FRONT END
TA7358AP
IC301
Q601
Q602
L312
T301
BF301
Q302
OSC BUFF
AM OSC OUT
Q604
Q603
SYSTEM MUTE
12
11
10
1
7
2
3
5
6
40
42
41
35
36
32
2
2
23
31
13
12
8
7
9
4
3
5
2
1
2
1
1
2
3
2
1
17
34
21
7
2
7
18
4
21
13
16
9
23
2
16
2421
15
23
5
21
23 24 21 22
13
12
14
16
11
1
4
1
9
10
15
3
9
10
18
24
1
7
8
6
3
45
9
89542
12
15
11
718 8 23
7
117
620 22 11
17
1615
13
14
12
Q111
KIA78
0
IC85
2
2
3
VOLT
A
REGUL
A
1HC DC-DC
CONVERTER
3.3V VOLTAGE
REGULATOR
1.8V VOLTAGE
REGULATOR
IXA043AW
NEW SOUND
IC603