Block Diagram -Main Section - Sony CDX-MP30 Service Manual

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)