KDC-319/4019,5020
2
BLOCK DIAGRAM
CH
CD MECHA
F/E
FM+B
PLL+B
AM+B
BUFF
E-VOL
SYSTEM
u-COM
DECODER
RDS
RST IC
DET
FLIP
POSI
MATRIX
KEY
G/R SW
RST SW
REMO ON
BACKLIGHT
LCD
W-ILL
DRIVER
LCD
REMO
GUIDE
ILL
SW
OPEN
B.U.5V
SW 5V
SERVO
+B
PANEL
2WAY MUTE
ACC DET.
DIMMER
TEL-MUTE
ACC
DIMMER
POWER IC
SP-OUT
MUTE
PRE-OUT (FRONT)
PRE-OUT (REAR)
MUTE
PRE-OUT (NF/REAR)
MUTE
DRIVER
OP-AMP
SWITCHED
PROTECTION
THERMAL
NOISE
BUFFER
5V
B.U. DET.
SW 14
A 8V
ILLUMI
+B
EJECT ILL/DSI
(SW AND LED)
EJECT KEY
X89-252
X89-251
BACK UP
ANT-CON
ANT-CON
P-CON
P-CON
Q1,2
Q3,4
IC7
IC1
& N.C. MPX
IC2
Q6
IC8
Q906
S1
ED1
IC2
IC1
Q708
Q706,707
Q901-903
Q501
Q502
Q703
Q701,702
Q905
Q503,504
Q505-508
IC5
Q402
Q403,404
IC4
Q205,206
Q201-204
IC3,
(NORMAL)
DET
FLIP
LCD (NEGA)
MATRIX
KEY
G/R SW
RST SW
REMO ON
BACKLIGHT
LCD
W-LED
DRIVER
LCD
REMO
ED1
IC2
IC1
X16-163
X16-167
X16-164
Q7
Q6
Q2
Q3,4
LCD NEGA
KDC-319/4019/5020
KDC-5020R/5021Y/YV
KDC-419/X459
KDC-5021/5021V/506
5x7 TYPE
14SEG TYPE
DATA C
CH-CON
DATA H
REQ H
RST
CLK
REQ C
SERVO+B
PLL DATA
PLL CLK
M STOP
M RST
MUTE L
LO/EJ
MOSW
SW2
SW3
SW1
S-METER
IFC OUT
SW 5V
3
P
ANEL
DET
GUIDE ILL
MP IN
AFS
LEVEL
RDDA
FM
AM
A 8V
B.U.5V
A 8V
3
2
2
3
8
7
SW 5V
8
SDA
SCL
AUDIO OUT
7
BACK UP
2
REMO
RESET
B.U.5V
MUTE
DRIVER
PANEL 5V
PANEL 5V
5
CD
AM+B
FM+B
S-METER
RDCK
RQUAL
B.U.5V
5
B.U.5V
FLIP
DET
L
D
ATA
S
L C
E
L
CLK
L
D
ATA
L
L-RES(L-INH)
EJECT
EJECT
ILLUMI/DSI
ILL
ON
SW 5V
(E) TYPE
(K,M) TYPE
CD (NORMAL)
3600mV
CHANGER
3600mV
3600mV
1800mV
600mV
FM
AM
1372mV
855mV
3600mV
2
2
2
B.U.5V
8
2
2
2
QUAL
S-MUTE
REAR L/R
FRONT L/R
AFS
NOISE
N/F SW
PRE MUTE
N/F MUTE
P MUTE
MUTE
BEEP
B.U.5V
MUTE
DRIVER
P-ON
PANEL 5V
SW 5V
CH-AUX
MODE
PRE OUT OUTPUT VOLTAGE
PANEL 5V
PANEL 5V
5
DIMMER
PWM CONTROL
DIMMER
1.8V PRE
251mV (E)
470mV (K,M)
230mV
1200mV
1200mV
