KDC-3028/328
2
BLOCK DIAGRAM
SERVO
A8V
BU5V
AUDIO OUT
AM+B
MPX OUT
MPX IN
AUDIO OUT
BU5V
A8V
BACK
SP OUT
BACK UP
ACC
OEM REMOTE
TEL MUTE
P-ANT
P-CON
PAN5
SERVO
P-ANT
AM+B
A8V
BU5V
P-CON
AM+B
AUDIO+B
VCC
ILLUMI
BU5V
ILLUMI
PAN5V
KEY
:
CHANGER
CD/MD
FM (E)
FM (J/K)
AM (J/K)
AM (E)
:
:
:
:
: 1800mV
1372mV
600mV
855mV
3600mV
3600mV
CD5V
800mV
1200mV
BU5V
MECHA
CD or MD
CHANGER
J2
E-VOL
IC10
&
AM AGC
Q501
FM AGC
L506
ANT
J4
TUNER
IC11
E2PROM
u-COM
IC1
IC7
RST IC
IC8
PRE MUTE
Q351,352
IC4
POWER IC
MUTE LOGIC
IC6
J1
PAN5V
Q151
Q72,73
SERVO
VFD REG
IC15
POWER SUPPLY IC
IC3
ED1
VFD
with
VFD DRIVER
IC1
REMOTE
IC2
VOL
S1
KEY MATRIX
PANEL DET
S151
.......
.......
J6
PRE OUT
SURGE DET
BU DET
ACC DET
DECODER
RDS
Q152
ILLUMI SW
KEY
EJECT
ILLUMI
EJECT
Q53
Q52
Q51
OEM
Q156
S152
ELECTRIC UNIT (X34-)
SWITCH UNIT (X16-)
VREF
L-ch
R-ch
A. GND
A8V
D. GND
BU5V
LOE/LIM SW
12EJE SW
LOS SW
S7.5V
LO/EJ
MOTOR
S. GND
VREF
VREF
4
DRV MUTE
MUTE
DOUT
DATA
4
2
CLK
MSTOP
MRST
MUTE L
MUTE R
2
2
H
L
12
5
2
4
3
20
21
13
15
1
14
9
7
6
8
18
12
11
10
22
19
SERVO
u-COM
IC2
16.934MHz
CLOCK
X1
DRIVER
MOTOR
PROCESSOR
LPF
IC4
8V SW
Q4
Q3
SW
S3
S1
S2
D. GND
RF AMP
IC1
REF
5V REG
D2
S. GND
A. GND
D. GND
SLED
LOADING
5V SW
Q2
D. GND
LOADING & SLED
MOTOR
SPINDLE MOTOR
AMP
Q5,6,D3
CURR.
DM1
DM2
SW +5V
A+5V
CD PLAYER UNIT (X32-5750-00)
BOARD (X34-)
MOTHER
MECHA ASSY (X92-)
www. xiaoyu163. com
QQ 376315150
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299