Block Diagram -Tuner Section - Sony CDX-CA600 Service Manual

CDX-CA600/CA600X
3-3. BLOCK DIAGRAM — TUNER SECTION —
TUNER UNIT
TU601
PJ601
ANTFM MPX
2 10
(ANTENNA)
1 ANTAM AM DET 8
S-METER 14
I2C SDA
12
I2C SCL
13
E2PROM SDA
17
E2PROM SCL 18
RDS DET 9
ELECTRONIC VOLUME
IC402
3 AUX L
R-CH CDR 2 CD R
A
CD
CDL 1 CD L
(Page 15) SECTION
13 MPX
11 AM
14 LEVEL
15 MPIN
20 SDA
NOISE AMP
21 SCL
IC602
MUTE
18
NOISE
BUFFER
SUPPRESSOR 17 QUAL
Q601
D601
SYSTEM CONTROL
IC801 (2/3)
7 QUALITY
70 VOL ATT
MS MASK
SWITCH 90 MS MASK
Q602
VSM
2
45 I2C SIO
47 I2C CKO
CA600X
BU+5V
9 FUNCSEL
CA600
86 EE SIO
87 EE CKO
RDS DECODER
IC601
16 MPX LVIN 20
9
SDA
10
SCL
4 OSCD
X601
MPTH 2 8 MPTH
4.332MHz
5 OSCI DAVN 8 27 DAVN
OUT LF 30
OUT LR 29
Q402 Q401
MUTE MUTE
OUT RF 28
R-CH
OUT RR 27
R-CH
D921,922
LINE MUTE
SWITCH DELAY
Q904,905
ATT 69
BEEP 35
AMP ON 67
66
AMP ATT
40
TEL ATT
ACC IN 38
37
TEST IN
+5V REG
+5V
Q93,D916
TUNER
+8V
+8V
TUNER +5V TUNER ON
+8V REG
TUNER
REG SWITCH
Q906,D917
+5V
Q911,D918,919 Q909,910
POWER ON
CONTROL
Q907,908
TUN ON 49
PW ON 50
BUS INTERFACE
IC803
BUSON 1
SYSRST 24 13 RST DATA I/O 6
BUSON 25 12 BUSON CLK 4
BUSSI 43 8 DATA OUT
BUSCKO 44 11 CLK IN
BUSSO 42 9 DATA IN
BU IN 28 10 B/U-C
RST 2
BATT DET
BATT 3
Q801,D801,802
16 16
PJ401
R-CH
R-CH
R-CH
POWER AMP
IC401
CNP901
5
12
3
9
11
7
16 AUX
4 STBY
22 MUTE R-CH
BATT
TEL
ATT
Q901
ACC
DETECT
Q902, D914
AMP B+
BATT BATT
SWITCH
Q920
AMP B+
SWITCH
Q922
BATT
AMP B+ AMP B+ BATT
CONTROL CONTROL
SWITCH SWITCH
Q921 Q917
F901
10A
CNJ801
BUS
CONTROL IN
8
6 3
5 2
4 1
7
BATT
BATT
L
-1
BUS AUDIO IN
R
-2
L
-5
AUDIO OUT FRONT
R
-6
L
-3
AUDIO OUT REAR
R
-4
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)
• Signal path
:FM
:MW/LW
:CD
• R-ch is omitted due to same as L-ch.