Read Sony CDX-MP30 Service Manual online
14
14
CDX-MP30
3-2. Block Diagram –MAIN Section–
• R-ch is omitted due to same as L-ch.
• Signal path
:FM
:AM(MW/LW)
:CD
:CD-R/RW(MP3)
PJ601
(ANTENNA)
2
10
1
ANT-FM
MPX
CDL
8
AM DET
14
S-METER
12
SDA
13
SCL
17
SDA(EEP)
18
9
SCL(EEP)
RDS DET
ANT-AM
TU601
TUNER UNIT
2
45
47
70
14
15
20
21
18
11
13
1
3
30
IC801 (1/2)
SYSTEM CONTROL
IC402
INPUT SELECTOR,
ELECTRONIC VOLUME,
SIGNAL PROCESSOR
AUX L
OUT LF
29
OUT LR
28
OUT RF
27
OUT RR
35
BEEP
ATT
67
69
AMP ON
66
AMP ATT
40
TEL ATT
38
ACC IN
CD L
MPX
R-CH
AM
LEVEL
MPIN
SDA
SCL
MUTE
17 QUAL
VOL ATT
7 QUALITY
90 NS_MASK
VSM
I2C SIO
I2C CKO
EE SIO
EE CKO
MPTH(DSTSEL)
DAVN(NIL)
AUDIO OUT REAR
CD
SECTION
A
CD
SECTION
B
CD
SECTION
C
CD
SECTION
D
Q904,905
LINE MUTE
SWITCH
Q402
MUTE
R-CH
Q401
MUTE
22 MUTE
4 STBY
16 AUX
11
12
5
3
9
7
IC401
POWER AMP
1
-1
-2
-5
-6
-3
-4
9
2
10
CNP901
R-CH
PJ401
FL+
FL-
RL+
RL-
4
12
FR+
FR-
3
11
RR+
RR-
16 +B (BATT)
13 ATT
5 AMP R
6
8
19
ANT R
GND
R-CH
BATT
F900
10A
Q901
TEL
ATT
ATT
Q911,D918,919
TUNER +5V
REG
Q601
BUFFER
Q909,910
TUNER ON
SWITCH
Q906,D917
+8V REG
Q907,908
POWER ON
CONTROL
Q921
AMP REM
CONTROL
CONTROL
SWITCH
Q920
AMP B+
SWITCH
Q917
ANT REM
CONTROL
SWITCH
Q922
ANT B+
SWITCH
7 ACC
15 TEST
49
50
TUN ON
37
TEST IN
Q902
ACC
DETECT
PW ON
24
SYSRST
25
BUSON
43
BUSSI
44
BUSCKO
42
BUSSO
28
BU IN
87
86
BATT
Q801,D801,802
BATT DET
Q804
BUS-SO
SWITCH
Q805,806
LIMNKOFF
SWITCH
Q802
SWITCH
BATT
Q903,D916
+5V REG
BATT
BU+5V
BU+3.3V
+8V
TUNER
+8V
TUNER
+5V
BATT
17
18
L
R
AUDIO OUT FRONT
R-CH
L
R
BUS AUDIO IN
R-CH
L
R
CDR
R-CH
2 CD R
IC601
RDS DECODER
IC803
BUS INTERFACE
8
27
13 RST
12 BUSON
8 DATA OUT
11 CLK IN
9 DATA IN
10 B/U-C
6
DATA I/O
4
CLK
2
RST
3
BATT
8
7
5
6
4
2
3
1
BATT
CNJ801
BUS
CONTROL IN
IC602
NOISE AMP
Q602
NS MASK
SWITCH
X601
4.332MHz
DELAY
BATT
D921,922
1
BUSON
33
1
RESET
S801
RESET
2
IC802
3
+3.3V
REG
2
IC902
BU+5V
RESET
16 MPX
4 OSCO
5 OSCI
LVIN
SDA
SCL
20
9
10
MPTH 2
DAVN 8
D601
5
7 2
1
SYSRST
D810
D806
D818
A-ATT
D701
D819
IC701
BUFFER
BU-CHECK
BUSON
BUS-SI
BUS-CLK
BUS-SO
LINK-OFF
2
6
5
3
7
1
AEP
AEP
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