KDC-V7090R/Y
2
BLOCK DIAGRAM
PLL+B
FM+B
AM+B
DIMMER
MUTE
2W
A
Y
DET
.
AC
C
SRM
B
U
DET
.
SRM
DRIVER
A8V
SER
V
O
SW5V
B
U5V
P CON
ANT
-CON
MUTE
DRIVER
MUTE
PO
WER IC
IC4
u-COM
IC1
CD
CH
IC8
Q37-40
IC2
F/E
MECHA
E-V
OL
PRE OUT
SP-OUT
DIMMER
TEL-MUTE
AC
C
ANT
-CONT
P-CON
BA
CK UP
3600mV
3600mV
1372mV(E)
1800mV(K,M)
855mV(E)
600mV(K,M)
Q14
Q15
Q31
Q26-29
Q1,2
Q3
Q9
Q30
IC15
IC1
IC2
IC3
EX.AMP CONTR
OL
AV
R
P
ANEL u-COM
RESET SW
RESET IC
VFD
(BA
CK LIGHT
V
-ILL)
REMO
G/R SW
IC16
B
UFFER
Q36
NOISE
CONTR
OL
EX.AMP
P
ANEL 5V
Q7,8
Q10-13
Q4-6
ILLUM
+B
MA
TRIX
KEY
V
-ILL TYPE
(X13-998)
(X13-995)
SW14V
E-V
OL
PREOUT
PRE OUT LEVEL
AT
T
CD MECHA
CD
,MD-CH
FM
AM
LCD DRIVER
RGB
CONTR
OL
CH
S-METER
QUA
L
SER
V
O+B
MO SW
ST
OP
MUTE
SW2
LO/EJ
RST
SW3
SW1
SD
A
SCL
A8V
B
U5V
SW5V
RST
REQ C
CLK
CH-CON
D
ATA
H
REQ H
CD
AM
FM
MUTE
PRE MUTE
MC REQ/P ANEL
P ANEL RST
SC REQ
MC CLK
SC DA
T A
MC DA
T A
SC CON
RESET
REMO
SRM SW2
SRM SW3
SRM DET
SRM SW1
SDA
SCL
AFS
AFS
S-METER
A8V
PLL CLK
PLL D
A
T
A
S-METER
D
ATA
C
BA
CK UP
P
ANEL 5V
3795mV
3795mV
2005mV
1512mV
656mV
926mV
1200mV
1200mV
896mV
850mV
207mV
207mV
470mV(K,M)
251mV(E)
230mV(K,M)
230mV(E)
IFC OUT
A
UDIO OUT
SW5V
NOISE
IFC OUT
SRM SUB-
SRM SUB+
DRIVER
MUTE
B
U5V
LEVEL DIA
GRAM
DECORDER
RDS
IC14
RDCK
RDDA
QUA
L
SW5V
Q52
B
UFF
