Block Diagram -Main Section - Sony CDX-MP30 Manual De Servicio

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

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