Block Diagram -Main Section - Sony CDX-MP40 Service Manual

CDX-MP40
3-4. BLOCK DIAGRAM — MAIN SECTION —
TU501
TUNER UNIT
PJ601
2 ANT L 4
(ANTENNA)
R
3
QUALITY 5
S-METER
6
SDA 14
SCL 13
TU MUTE
7
MUTE CONDITION 8
SDA(EEP) 17
SCL(EEP)
16
RDS DET 9
SECTION
(Page 21)
INPUT SELECTOR,
ELECTRONIC VOLUME,
SIGNAL PROCESSOR
5 AUX L
R-CH CDR 8 CD R
(Page 21)
CD
A
CDL 9 CD L
SECTION
7 RADIO L
27 SDA
26 SCL
25 MUTE
IC801 (1/2)
AEP,UK MODEL SYSTEM CONTROL
7 QUALITY
70 VOL ATT
Q602
85 NS_MASK
NS MASK
SWITCH
2 VSM
45 I2C SIO
I2C CKO
47
88 TU MUTE
30 TU ATT IN
87 EE SIO
86 EE CKO
AEP,UK MODEL
IC601
RDS DECODER
16 MPX
9
SDA
SCL 10
4 OSCO
X601
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
BUS-SO
LINK-OFF
IC401
OUT LF 19
OUT LR 18
Q402 Q401
MUTE MUTE
OUT RF 21
R-CH
OUT RR 20
Q904,905
LINE MUTE
(Page 21)
SWITCH
CD
A-ATT
D701
B
SECTION
D819
67
ATT
35
BEEP
AMP ON 72
AMP ATT 74
TEL ATT 40
38
ACC IN
TEST IN 37
IC902
BU+5V
+3.3V Q903,D916
BU+3.3V 3 2
REG +5V REG
TUNER +8V
+8V
Q911,D918,919 Q909,910
Q906,D917
TUNER
TUNER +5V TUNER ON
+5V +8V REG
REG SWITCH
Q907,908
CD
POWER ON
SYSRST C
SECTION CONTROL
(Page 21)
TU ON 69
POW ON 50
D810
RESET 33
IC803
D808
BUS INTERFACE
Q802
BUSON 1
SWITCH
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
22 22
R-CH
R-CH
R-CH
IC501
POWER AMP
5
12
3
9
11
7
16 AUX
4 STBY
R-CH
22 MUTE
R-CH
D921
DELAY BATT
Q901
TEL
ATT
Q902
ACC
DETECT
Q920
BATT BATT AMP B+
SWITCH
Q922
ANT B+
SWITCH
BATT
Q921 Q917 BATT
AMP REM ANT REM
CONTROL CONTROL
SWITCH SWITCH
F901
10A
IC802
1 RESET 2 BU+5V
CNJ801
BUS
S801
CONTROL IN
RESET
8
6 3
5 2
4 1
7
BATT
D802
BATT
Q801,D801
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)