Block Diagram -Tuner Section - Sony CDX-CA650 Service Manual

CDX-CA650/CA650V/CA650X
3-3. BLOCK DIAGRAM — TUNER SECTION —
J10
(ANTENNA)
PJ401-1,-2
BUS AUDIO IN
-1
L
(Page 15)
A
TUNER UNIT
CD
TU10
CDL
SECTION
ANTFM MPX
2 10
1 ANTAM AM DET 8
BUFFER
Q10
IC20
NOISE
5 1
SUPPRESSOR
Q22
NOISE
SUPPRESSOR
ON
S-METER
14
I2C SDA
12
I2C SCL 13
9 10
RDS DECODER
SDA SCL
IC51
MULTI
LV IN
20 2
PATH
DET
MPX RDS/RDBS
RDS DET
9 16 8
DEM/DEC
OSCO OSCI
4 5
X51
4.332MHz
E2PROM SDA 17
E2PROM SCL 18
16
PJ401-3, -4 PJ401-5, -6
AUDIO OUT REAR AUDIO OUT FRONT
-3 -4
-2
L R
R
ELECTRONIC VOLUME
IC401
4 AUX LCH OUT FL 28
43 MD LCH
12 MPXI OUT RL 27
Q451 Q431
9 AM
MUTE MUTE
LEVEL
13
14 MPIN
19 SDA
20 SCL
MUTE
17 EXA ATT
CONT
Q478,479
SYSTEM CONTROL
IC501 (2/3)
69
ATT
70 VOL ATT BEEP 35
AMP ON 67
7 QUALITY
66
AMP ATT
TEL ATT 40
90 NS MASK
ACC IN 38 CHECK
37
TEST IN
POWER SUPPLY
VSM
2
45 I2C SIO
47 I2C CKO 7 VCC
BATT
2 8.7V ON
49 3 5.6V ON
TUN ON
8 MPTH 4 STB
PW ON 50
27 DAVN
86 E2P SIO
87 E2P CKO
16
-5 -6
L R
POWER AMP
IC404
CNP601
5 1 FL+
12
9 FL–
3
2
9 RL+
11
7 10 RL–
16 AUX
4 FR+
12
4 STBY FR–
22 MUTE R-CH
3 RR+
11 RR–
BATT 16 BATT
F901
TEL
ATT 13 ATT
Q651
ACC
7 ACC
Q631
15 TEST
IC601
AMP +B 6 5 AMP R
ANT +B 8 6 ANT R
BU+B 5 BU 5V
COM 8V 9 COM 8V
TU 5.6V 10 TU 5.6V
TU 8.7V 11 TU 8.7V
• Signal path
:FM
:MW
:CD