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20
CDX-RA650/RA700/RA750
CDX-RA650/RA700/RA750
3-2. BLOCK DIAGRAM — MAIN SECTION —
1 ANT
ELECTRONIC VOLUME
IC401
J1
(ANTENNA)
TU1
(TUNER UNIT)
IC2-BUS CONTROLLED POWER AMP
/MULTIPLE VOLTAGE REGULATOR
IC300
SYSTEM CONTROL
IC501 (2/3)
CN300
BATT
R-CH
4
3
10
VCC+8.3V
11
VDD+5V
15
E2P VDD
13
TU-SCL
14
TU-SDA
6
S-METER
7
TU MUTE
16
E2P SCL
17
E2P SDA
AUDIO+8.3V
TU+5V
BU+3.3V
RA650
8
MUTE CONDITION
5
QUALITY
RDS OUT
L-CH
R-CH
AUX
SELECT
SWITCH
Q351
R-CH
R-CH
CN410
L
R
R-CH
BATT
TU+5V
AUDIO+8.3V
BU+5V
SERVO+3.3V
MECHA+6V
PANEL+B
SDA
SCL
AUDIO+8.3V
15
7
10
12
11
16
1
9
2
4
3
5
6
SCL
SDA
SCL
SDA
SCL
SDA
UNISO
RESET
BUS ON
UNICLK
UNISI
B/U CHECK
LINK OFF
ATT
FL+
FL–
RL+
RL–
FR+
FR–
RR+
RR–
AMP-REM
ANT-REM
ACC
TEST
MUTE
Q452
MUTE DRIVE
Q491,492
NS MASK
CONTROL
Q1
RDS DEMODULATOR
IC50
ACCESSORY
CHECK
Q702
BUS ON
SWITCH
Q601
LINK
SWITCH
Q600
TU+5V REG
Q3
BU+3.3V
BU+5V
ILLUMINATION CHECK
Q703
13
TEL-MUTE
14
ILL
D491
D493
F901
L
1
2
3
R
6
5
4
3
1
2
8
7
BATT
BATT
BATTERY CHECK
Q605
BUS INTERFACE
IC601
D602
CNJ400
TH400
BUS
CONTROL
IN
D609
1
7
SCL
BU+3.3V
SDA
TEL ATTENATION
CHECK
Q701
RDS POWER
CONTROL
Q50
9
X50
8.664MHz
R-CH
R-CH
L
R
MUTE
Q440
MUTE
Q352
REAR
FRONT
R-CH
CD-L
BU IN
AUDIO
OUT
SUB OUT
(MONO)
J652
(2/2)
R-CH
L
R
BUS
AUDIO
IN
J652 (1/2)
• Signal Path
• R-CH is omitted due to same as L-CH.
: CD PLAY
: FM
: AUX
: AM/MW/LW
Содержание CDX-RA650
Страница 61: ...61 CDX RA650 RA700 RA750 MEMO ...