Block Diagram -Tuner Section - Sony CDX-CA700 Service Manual

CDX-CA700/CA700X
Q Q
3 7 6 3 1 5 1 5 0
3-3. BLOCK DIAGRAM — TUNER SECTION —
TUNER UNIT
TU10
J10
MPX
2 ANTFM 10
(ANTENNA)
ANTAM AM DET 8
1
T E
L 1 3 9 4 2 2 9 6 5 1 3
S-METER 14
I2C SDA
12
I2C SCL
13
E2PROM SDA
17
E2PROM SCL 18
AEP,UK MODEL
RDS DET 9
w w w
4.332MHz
ELECTRONIC VOLUME
IC331
ACOUT RCH
4 AUX-LCH
R-CH CDR 42 MD RCH
A
CD
CDL 43 MD LCH
(Page 15) SECTION
12 MPX1
9 AM/MPX2
13 LEVEL
14 MPIN
AEP,UK MODEL
19 SDA
NOISE AMP 20 SCL
IC20
17 EXA-ATT
NOISE
BUFFER
SUPPRESSOR
Q21
D21,22
SYSTEM CONTROL
IC501 (2/3)
7 QUALITY
70 VOL ATT
MS MASK
SWITCH 90 MS MASK
Q22
VSM
2
45 I2C SIO
47 I2C CKO
CA700
BU+5V
DSTSEL/
9
FUNCSEL
86 E2P SIO
87 E2P CKO
RDS DECODER
IC51
16 MPX LVIN 20
9
SDA
10
SCL
4 OSCD
X51
MPTH 2 8 MPTH
x a o
5 OSCI DAVN 8 27 DAVN
y
. i
http://www.xiaoyu163.com
36 R-CH
ACOUT LCH 38
L-CH AMP
IC332
ACIN RCH 35 MUTE
Q185
OUT FL 28
OUT RL 27
MUTE MUTE
Q181 Q171
OUT FR 26
R-CH
OUT RR 27
R-CH
D621
LINE MUTE
DELAY BATT
CONTROL
Q621,622
Q Q
3 7 6
ATT 69
AEP,UK MODEL
BEEP 35
AMP ON 67
66
AMP ATT
40
TEL ATT
ACC IN 38
37
TEST IN
49
TUN ON
PW ON 50
BUS INTERFACE
IC581
BUSON 1
SYSRST 24 13 RST DATA I/O 6
BUSON 25 12 BUSON CLK 4
UNISI 43 8 DATA OUT
UNICKO 44 11 CLK IN
UNISO 42 9 DATA IN
BU IN 28 10 B/U-C
RST 2
u 1 6 3
BATT DET
BATT 3
Q581,D584,585
16 16
http://www.xiaoyu163.com
2 4
8 9 9
R-CH
R-CH
AEP,UK
MODEL
R-CH
MUTE
Q175
POWER AMP
IC751
CNP781
5
12
3
9
11
7
16 AUX
4 STBY
MUTE
22 MUTE R-CH
Q625
D624
D626
3 1 5 1 5 0 8 9
D625
TEL
ATT
Q585
ACC
DETECT
Q571
POWER SUPPLY
IC601
D613
AMP+B 6
2 TUN-ON SW
D612
ANT+B 8
4 STB
BU+B(5.8V)
5 BU+5.8V
COM8.7V 9 COM+8V
TU+B(5.1V) 10 TU+5V
BATT
TU+B(8.4V) 11
TU+8.5V
VCC 7 BATT
F901
10A
CNJ581
BUS
CONTROL IN
8
6 3
5 2
4 1
7
m
BATT
c o
BATT
.
2
8 9 9
PJ151
L
-5
BUS AUDIO IN
R
-6
L
-1
AUDIO OUT FRONT
R
-2
L
-3
AUDIO OUT REAR
R
-4
1
FL+
9 FL-
2
RL+
10 RL-
4 FR+
12 FR-
3 RR+
11
RR-
2 4 9 8 2 9 9
13 ATT
7 ACC
15 TEST
5 AMP R
6 ANT R
8
GND
19
17
18
16 +B (BATT)
• Signal path
: FM
: AM/MW/LW
: CD
• R-ch is omitted due to same as L-ch.