Block Diagram - Main Section - Sony CDX-RA700 Service Manual

CDX-RA650/RA700/RA750
3-2. BLOCK DIAGRAM — MAIN SECTION —
J652 (1/2)
L
BUS
AUDIO
IN
R-CH
R
J1
1 ANT
(ANTENNA)
• R-CH is omitted due to same as L-CH.
• Signal Path
: CD PLAY
: FM
: AM/MW/LW
: AUX
CDX-RA650/RA700/RA750
CD
A
CD-L
SECTION
(Page 19)
AUX
SELECT
TU1
SWITCH
(TUNER UNIT)
Q351
L-CH 4
R-CH 3
VCC+8.3V 10 AUDIO+8.3V
11
VDD+5V TU+5V
E2P VDD 15 BU+3.3V
SCL
TU-SCL 13
SDA
TU-SDA 14
S-METER 6
TU MUTE 7
E2P SCL 16
E2P SDA 17
MUTE CONDITION 8
QUALITY 5
NS MASK
CONTROL
Q1
RDS DEMODULATOR
IC50
SCL
9 XTI SCL 11
SDA
X50
SDA 12
8.664MHz
10 XTO
INTN 15
RDS OUT 9 16 MPX
VDDA VDDD
RA650
1 7
RDS POWER
CONTROL
Q50
DISPLAY
D
RESET
SECTION
(Page 21)
UNISO
BUS ON
UNICLK
UNISI
CD
B
SECTION
B/U CHECK
(Page 19)
ATT
LINK OFF
ELECTRONIC VOLUME
IC401
OUTLR2 16
9 SE1L
R-CH 10 SE1R
OUTLR1
19
OUTRR1 18 R-CH
11 DIFFL
13 DIFFR
R-CH
OUTLF 20
OUTRF 17 R-CH
MUTE MUTE
Q352 Q452
7 SE2L
8 SE2R
MUTE 21
SCL
SCL 22
25 SAIN
SDA
SDA 23
26 SAOUT
MUTE DRIVE
Q491,492
SYSTEM CONTROL
IC501 (2/3)
SCL
I2C CKO
33
44 SA IN
SDA
D493
I2C SIO 34
45 SA CLK
VOL ATT 9
17 AUX IN
39 VSM
ATT
86
12 TU ATT
BEEP 7
25 E2P CKO AMP STB 26
24 E2P SIO DIAG
8
53 TU ATT IN
38 QUALITY
TEL ATTENATION
TEL ATT 74
NS MASK
13
ILLIN 75
ACC IN 72
TEST IN 73
56
DAVN
30 RDS ON
BU IN 54
UNISI 58
BU+3.3V
UNISO 59
UNISCK 60
BUSON
87
D609
BU IN
20 20
CN410
1
2
3
R-CH
R-CH
IC2-BUS CONTROLLED POWER AMP
/MULTIPLE VOLTAGE REGULATOR
MUTE IC300
Q440
OUT FL+ 5
11 IN RL
OUT FL– 3
12 IN FL
OUT RL+ 9
OUT RL– 7
D491
BATT
R-CH
AMP-REM 29
ANT-REM 27
BATT
F901
SDA
2 SDA VP 35
SCL
4 SCL
VP1 20
6
VP2
AUDIO+B
30 AUDIO+8.3V
B.U+B 37 BU+5V
16 BEEP
SERVO3.3V 31
SERVO+3.3V
22 STB
MECHA6V 33 MECHA+6V
25 DIAG
PANEL+B 34
PANEL+B
CHECK
Q701
ILLUMINATION CHECK
Q703
ACCESSORY
CHECK
Q702
+3.3V REG
BU+3.3V BU+5V
IC681
TU+5V REG
TU+5V AUDIO+8.3V
Q3
BUS INTERFACE
IC601
D602
BATTERY CHECK
BATT 3
10 B/U-C BATT
Q605
8
DATA OUT
11 CLK IN
DATA I/O 6
12 BUS IN
CLK 4
BUS ON
13 RST
BUS ON 1 SWITCH
Q601
RST 2
9 DATA IN
LINK
SWITCH
DISPLAY
E
Q600
SECTION
(Page 21)
L
SUB OUT
(MONO)
R
L
J652
REAR
(2/2)
R
AUDIO
OUT
L
FRONT
R
CN300
1
FL+
9
FL–
2
RL+
10
RL–
4
FR+
12
FR–
3
RR+
11
RR–
5
AMP-REM
6
ANT-REM
16
13
TEL-MUTE
14
ILL
7
ACC
15
TEST
8
6 3
CNJ400
BUS
5 2
CONTROL
IN
4 1
7
TH400
BATT