KDC-3020R/
4021/V/Y/YV
2
BLOCK DIA
GRAM
CD
IC4
IC12
IC1
POWER IC
TUNER
FM+B
AM+B
SW5V
BU5V
A8V
SERVO
CH
E-VOL & MPX
u-COM
TEL-MUTE
ACC DET.
BU DET.
BUFF
DECODER
RDS
IC6 ('E)
IC2
SW5V
SW5V
E2PROM
SW5V
SERVO
SW14V
IC7
IC2
IC1
PRE OUT
SP-OUT
ACC
TEL-MUTE
BACK-UP
P-CON
ANT-CONT
POWER SUPPLY
MUTE
PRE MUTE
DSI
BU5V
REMOTE
SW5V
PAN DET.
PAN5V
PAN5V
LCD DRIVER
KEY MATRIX
With
ILLUM SW
A8V
CONTROL
BU5V
MARINE CN.
ANT-CON DET.
P-CON DET.
FM DET OUT
AM DET OUT
REQUEST
LO/DX
PLL-CLK
PLL-CE
S-METER
PLL-DATA
SD
MSDA
MSCLK
SW2
SW1
SW3
M MUTE
RST
STOP
LO/EJ
MO SW
FM
AM
CD
CH
AFS
NOISE DET
LEVEL
RDCK
D
ATA
S
MUTE
RDD
A
LO/DX
QU
A
L
PLL-D
A
T
A
PLL-CLK
AFS
NOISE
S-METER
SCL
SD
SD
A
PLL-CE
EN2
EN3
EN1
PC DET
PA DET
CLK
D
ATA
L
CE
REMO
P
ANEL
DSI
RES
SDA
SCL
P-CON
P.ANT
FM+B
VP2
AM+B
AUDIO
ILLUM
BU5V
SW1
SW2
203mV
170mV
1200mV
1200mV
382mV
K:
E:
382mV
J:
(K)
FM
(E)
(K)
(J)
(J)
AM
(E)
: 1605mV
: 1276mV
: 561mV
: 1700mV
: 561mV
: 792mV
: 3529mV
CD.CH
LCD
www . x ia o y u 1 6 3 . c o m
QQ 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L 1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
