22
22
CDX-R5715X/R5810/R6750
CDX-R5715X/R5810/R6750
1 ANT
ELECTRONIC VOLUME
IC351
J1
(ANTENNA)
TU1
(TUNER UNIT)
POWER AMP,
POWER SUPPLY
IC300
SYSTEM CONTROL
IC501 (2/3)
CN300
R-CH (FRONT)
R-CH (REAR)
BATT
4
3
10
VCC
11
VDD5V
15
E2P VDD
13
TU-SCL
14
TU-SDA
6
S-METER
7
TUN MUTE
16
E2P SCL
17
E2P SDA
AUDIO+8.3V
TU+5V
BU+3.3V
8
MUTE CON
5
QUALITY
RDS OUT
L-CH
R-CH
CD-L
R-CH
R-CH
L
R
R-CH
BATT
TU+5V
BATT
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
ATT
FL+
FL-
RL+
RL-
FR+
FR-
RR+
RR-
AMP-REM
ANT-REM
ACC
TEST
ILL
MUTE
Q440
MUTE
Q352
J652 (2/3)
CN410
(SUB OUT)
MUTE DRIVE
Q491,492
NS MASK
SW
Q1
RDS DECODER
IC50
R6750 ONLY
ILL CHECK
Q703
ACC CHECK
Q702
+5V REG
Q3
BU+3.3V
BU+5V
IC681
MUTE
Q452
13
TEL-ATT
D491
D493
F901
L
R
1
7
SCL
BU+3.3V
SDA
TEL MUTE
Q701
RDS POWER
CONTROL
Q50
9
X50
8.664MHz
R-CH
L
R
FRONT
J652 (1/3)
REAR
AUDIO OUT
L
R
BUS IN
J652 (3/3)
14
Q351
GND SW
• Signal Path
• R-CH is omitted due to same as L-CH.
: CD PLAY
: FM
: MW/LW
3-2. BLOCK DIAGRAM — MAIN SECTION —