KDC-X715
BLOCK DIAGRAM
COM+B
FM+B
AM+B
E2PROM
DIMMER
2W
A
Y
MUTE
ACC DET
.
SRM
PHOT
BU DET
.
SRM
DRIVER
A8V
SER
VO
DC/DC
SW14V
SW5V
BU5V
P
CON
ANT
-CON
MUTE DRIVER
4.5V PRE
MUTE
E’s
POWER IC
IC4
IC14
u-com
IC1
CD
CH
IC10
IC7-9
IC5
IC2
F/E
MECHA
DET
.
E-VOL
PREOUT
SP-OUT
DIMMER
TEL-MUTE
ACC
ANT
-CONT
P-CON
BACK UP
DECORDER
RDS
IC1
1
EX.AMP
CONTROL
AV
R
RESET
IC
IC15
ANT
. IN
AMP
IC12
NOISE
PREOUT
OUTPUT
VOL
T
AGE
CONTROL
EX.AMP
NA
VI-MUTE
P
ANEL
5V
4.5VPRE
IC3
IC6
ILLUM
+B
LCD
LCD CONT
. 1
G/R SW
KEY
MA
TRIX
LCD TYPE
LOCK SW
P
ANEL
REMO
RESET
SW
PLL
CLK
CH
MO SW
SER
VO+B
LO/EJ
ST
OP
MUTE
D
ATA
S
CLK
SW2
CS
SQR
D
ATA
M
SW3
SW1
A8V
BU5V
RST
REQ C
CLK
CH-CON
D
ATA
H
REQ H
CD
AM
FM
MUTE
RESET
SRM SW1
SRM DET
SRM SW2
RDCK
RDDA
QUAL
SDA
SCL
A8V
+B
-B
+B
-B
PLL
DA
T
A
PLL
CE
S-METER
SW5V
SW5V
D
ATA
C
BACK UP
750mV
4500mV
CHANGER
AM
4.5V PRE
2250mV
FM
160mV
1200mV
1200mV
213mV (E
TYPE)
400mV (K
TYPE)
RDS OUT
FM+B
NOISE
4500mV
CD
K TYPE
MODE
4500mV
4500mV
1069mV
1715mV
E TYPE
3600mV
600mV
1800mV
3600mV
K TYPE
E TYPE
3600mV
1372mV
855mV
3600mV
1.8V PRE
SRM SUB-
SRM SUB+
DRIVER
MUTE
BU5V
P
ANEL
5V
DIMMER PWM CONTROL
ILLUM +B IS LCD ONL
Y
RST
L
D
ATA
L
L
CLK
L C
E
L
D
ATA
S
DIMMER
2
