Block Diagram - Kenwood DDX3028 Service Manual

DDX3028/3048/3058/318/4038/4038M
DDX4028BT/4038BT/4038BTM/4048BT/4058BT/418
MAIN UNIT
ANT.
J101
LRMUTE
UCS
SCS
SCLK
USBNEN
U2SDT
S2UDT
CPURESET
SW4
SW1
L/R
D2V
DVD RGB
S/M5V
DVD
A5V
DVD CV
MECHA
D4V
D+,D-
M8V
BT UNIT
D3.3V
D3.3V
IC302
D5V
A9V FLASH ROM
IC303
SDRAM
CN302 IC301
D3.3V
DONGLE TERECHIPS
CN341 IC341
D5V
MIC IN MIC AMP
A9V
SUB UNIT
J201
SW5V
CAMERA
IN
VIDEO OUT SW2
IC241
ISOLATION
AMP
SW5V
J201
IC201
VIDEO
75 +6dB
OUT
NAVI TX
NAVI RX
MIX REMO
J261
NAVI
IN
POWER SUUPLY
SYSTEM
BU
REG
SW FET
2

BLOCK DIAGRAM

CN901
DC CN
BU DET
ILLUMI
PCON
ANTCON
LINEMUTE
I2C CLK
W REMO
TU SCL I2C DATA
TU SDA EVOL MUTE
IC11 IC141
L/R
FM/AM
TUNER
AUDIO SEL
A9V
VOL
A9V
DISC L/R
IC721
E2PROM
IC701
MAIN u-COM
(128pin)
BU3.3V
D3.3V
IC371
A9V
REG
IC332
BTTX LPF
BTRX 1.8V
BTRST
BT MUTE
IC331
A9V
DAC
Q3311
TR
A5V
A5V
NAVI L/R
VIDEO M SW1
DVD CV VIDEO M SW2
IC231
VIDEO
VIDEO
SEL
SW5V
VIDEO OUT SW1
IC211
VIDEO
SEL
SW5V
SW5V
NAVI L/R
NAVI RGB
M8V
A9V
ACC5V
SW5V
ILM12V
VDD5V REG BU3.3V
SWREG D3.3V
BL24.5V
LCD-20V
D5V
SWREG
SWREG USB5V
PWIC STBY
PWIC MUTE
BEEP
IC101
POWER
AMP
PRE MUTE
BU
MUTE
Lch & Rch
AVOUT MUTE
MUTE
AVOUT A
PON3.3V
I2C CLK
I2C DATA
I2C CLK BU DET BTTX LRMUTE
I2C DATA ILLUMI BTRX UCS
EVOL MUTE PCON BTRST SCS
TU SCL ANTCON BT MUTE SCLK
TU SDA LINEMUTE NAVI TX USBNEN
FAN CTL W REMO NAVI RX U2SDT
PWIC STBY PARKING S2UDT
PWIC MUTE REVERSE CPURESET
BEEP REMO SW4
SW1
VIDEO M SW3
DVD RGB
RGB SEL
NAVI RGB
PANEL-B UNIT
(A/2)
D3.3V
BL24.5V
D5V
Q6005
9.2V
BL24.5V TR
LCD-20V
18V
18V
SI3.3V
X1
X2 BL24.5V
Y1
Y2
TOUCH BACK LIGHT
PANEL (LCD)
D3.3V
9.2V
18V
PANEL-A UNIT
D3.3V
D3.3V REG D1.2V
D5V
BL24.5V
LCD-20V 18V REG 9.2V
18V
LCD-20V TR -6V
BL24.5V TR 18V
IC431
SDRAM
D3.3V
SERIAL
FLASH ROM
D3.3V
PON3.3V
SPK OUT
FRONT
REAR
J1001
PRE OUT
FRONT
J1001
PRE OUT
REAR/SUB
CN112
FAN CTL FAN
D5V
J1003
A OUT
W REMO
AND
REMO
MIX REMO
SYS DATA REMO
SYS CE RESET
APP CE KEY 1
APP DATA KEY 2
APP CLK SI
APP RST R ENC1
SCL CLK R ENC2
AVOUT MUTE X1
PRE MUTE X2
PANEL-B UNIT
VIDEO M SW1 Y1
(B/2)
VIDEO M SW2 Y2
VIDEO OUT SW1
D3.3V
VIDEO OUT SW2
9.2V
18V
USB5V
SI3.3V
SI
SYS DATA X1 REMO
X2 RESET
SYS CE
APP CE Y1 KEY 1
REMO
APP DATA Y2 KEY 2 REMO
APP CLK SI RESET
RESET
APP RST R ENC1 KEY 1 KEY 1
SCL CLK R ENC2 KEY 2
KEY 2
SI
R ENC1
R ENC2
R ENC1
R ENC2
D+
D-
SYS DATA
SYS CE
LCD
APP CE
PANEL APP DATA
APP CLK
APP RST
SCL CLK
-6V
IC401
DISPLAY IC
(GERDA-2)
(216pin)
D3.3V D1.2V
EJE LED 9.2V
V LED 18V
SI SI3.3V
IC651
REMO D3.3V
KEY
R ENC
J6503
USB USB5V
CN654
AV IN
(FRONT)