KDC-X717
2
BLOCK DIAGRAM
DC/DC
4.5V PRE
E's
IC10-12
IC5
4.5VPRE
IC6
+B
-B
+B
-B
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
BU
5
V
P CON
ANT
-CON
MUTE
DRIVER
MUTE
PO
WER IC
IC4
u-COM
IC1
CD
CH
IC7
Q37-42
IC2
F/E
MECHA
E-V
O
L
PRE OUT
SP-OUT
DIMMER
TEL-MUTE
AC
C
ANT
-CONT
P-CON
BA
CK UP
IC8
Q14
Q15
Q31
Q26-29
Q1,2
Q3
Q51
Q9
Q30
IC15
IC1
EX.AMP CONTR
O
L
AV
R
DC/DC
BO
X
RESET
IC
IC16
B
U
FFER
Q36
NOISE
PRE OUT OUTPUT
V
O
LT
A
G
E
SPEANA
A
GC OP
AMP
CONTR
OL
EX.AMP
NA
VI-MUTE
P
ANEL 5V
Q4-6
Q7,8
DC/DC
REG
IF+B
SW14V
MA
TRIX
KEY
CH
S-METER
QUA
L
SER
V
O+B
MUTE R
M ST
OP
SW2
LO/EJ
MUTE L
M RST
SW3
SW1
M
S
D
ATA
MS CLK
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 RST
SC REQ
MC CLK
SC DA
T A
MC DA
T A
RESET
SRM SW2
SRM SW3
SRM DET
SRM SW1
SDA
SCL
AFS
AFS
S-METER
A8V
SCL
SD
A
S-METER
D
ATA
C
BA
CK UP
750mV
4500mV
CHANGER
AM
4.5V PRE
2250mV
FM
230mV
1200mV
1200mV
251mV (E
TYPE)
470mV (K
TYPE)
IFC OUT
A
UDIO OUT
SW5V
NOISE
IFC OUT
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
B
U5V
MO SW
IC2
IC3
P
ANEL u-COM
SW
RESET
VFD
(NORMAL)
REMO
G/R SW
SPEANA
BFP
P
ANEL 5V
FA
C
FL+B
FL(NORMAL) TYPE
(X16-127)
