2
KDV-3241Y/MP4339
/MP4439/MP5032
BLOCK DIAGRAM
FRONT BOARD
DVD/CD MECHA BOARD
SEE DVD BOARD BLOCK DIAGRAM
MAIN BOARD
MPX/ST DECODER
TUNER
AM & FM IF/PLL/
RDS OPTION
PROGRAM
E2PROM
AUTO ALIGMENT
TU101
DEMODULATOR
RDS
TUNER PACK
IC601
E-VOL
RSE OPTION
IC201
OPTION
AUX LINE MUTE
DOWN
FLIP
DETA-
S/W
S/W
CHABLE
CN503
KEY LIGHTING BL
5mA PER NODE
LCD B/LIGHTING B
5mA PER NODE
DRIVER
LCD
IC901
NEGATIVE
LCD 14SEG
LCD1
BU302
KEY BLOCK
VOLUME
IR RECEIVER
VIDEO OUT
FRONT AUX IN &
CN902
CN901
CN502
RMC1
EV901
D
VD DRIV IC 8V
D
VD D
VN CORE 1.2V
D
VD LO
ADING MO
T
OR DR
V IC 8V
D
VD DIGIT
AL IC 3.3V
D
VD PU 5V
LCD8.4V
POWER5V
LED8.4V
OP AMP
IC401
14 SEG
RDS DATA
RDS CLK
VCC +5V
RDS QUAL
SDA
SCL
SD
A
SCL
AM AF/MPX
VCC +5V
TUNER 8.4V
POWER 5V
MAIN CLK
1187.5kHz
TUNER RDS
TUNER E2PROM
960kHz
MAIN CLK
TUNER INPUT
DVD/CD INPUT
AUX INPUT
SELECT
MAIN
REAR
SELECT
IN4
IN3
IN2
IN1
LOUDNESS
SOFT MUTE
V
OLUME
TREBLE
MIDOLE
BASE
HPF
SUBW
OOFER
15dB
R
L
SPECTRUM
ANALYZER
SACLK
SAOUT
I2CBUS
SDA
CLK
SMUTE
FADE
15dB
R
L
ACOUTR
ACOUTL
TUNER PART
4
55
56
65
68
71
70
69
67
72
83
29
AGND
CVBS
VGND
AUDIOL
DGND
PGND
23
84
85
86
CD/DVD PART
AUDIOR
SPDIF
1.2VD
5VPU
3.3VD
5V
8V
54
9
1
6
2
E-VR PART
RAM
FLASH E2PROM
FLMOD
REGC
RESET
SYSTEM CONTROL
VSS
EVDD
VDD
CMOS I/O : 86
CMOS OUTPUT : 1
N-ch 0.0 I/O : 4
TOTAL : 71
I/O PORT
AD CONVERTER
SERIAL INTERFACE
16BIT/8BIT/WATCH
TIMER
OPERATION
1.8V to 5.5V
78KO CPU
M
C
S
W
88
81/90
93/82
89
DLOAD PORT
CE2(TUNER)
SD/ST IND
CE1
DATA IN
RDS CLK
DATA OUT
CLK
RDS DATA
AF MUTE
QUALITY OUT
S-METER
SCLK
SOFT MUTE
SDA
SA OUT
SA IN(CLK)
MRESET
SPI TXD
SPI RXD
SPI CLK
SPI CE
RESET
DLOAD CLK
DLOAD DATA
FLMOD
VOLTAGE
61
A
UDIO MUTE
50
A
UX MUTE
DVD SPI CLK
480kHz
MAIN
X402
X401
95
94
91
92
73
FR
T
-DET
5
GND
1
AUX L IN
4
3
VIDEO O
AUX R IN
5
RMC
40
VOL DOWN
41
52
VOL UP
KEY 1
53
KEY 2
79
LCD CE
75
78
77
76
LCD RST
LCD CLK
LCD DATAI
LCD DATAO
LED8.4V
LCD8.4V
PWR5V
BUZZER
80
BEEP ON
SPDIF OUT
FLA
T CABLE
MAIN u-COM
SYSTEM 5V
FCI 19PIN CONNECTOR(MALE)
FCI 19PIN CONNECTOR(FEMALE)
LCD CLK
MAIN
2.4MHz
LCD DR IC
3
2
1