Kenwood DDX318 Service Manual

2
DDX3028/3048/3058/318/4038/4038M
DDX4028BT/4038BT/4038BTM/4048BT/4058BT/418
BLOCK DIAGRAM
MAIN UNIT
BT UNIT
SUB UNIT
(A/2)
PANEL-A UNIT
(B/2)
POWER SUUPLY
PANEL-B UNIT
PANEL-B UNIT
DC CN
FM/AM
TUNER
VOL
AUDIO SEL
AMP
POWER
FAN
A OUT
DVD
MECHA
D2V
S/M5V
D4V
A5V
M8V
AND
E2PROM
(128pin)
MAIN u-COM
PON3.3V
BU3.3V
A9V
A9V
BU
MUTE
SPK OUT
PRE OUT
PRE OUT
MUTE
RGB SEL
D5V
REG
TR
FLASH ROM
SDRAM
MIC IN MIC AMP
TERECHIPS DAC
LPF
DONGLE
A9V
A5V
D3.3V
BT1.2V
D3.3V
D5V
A9V
D3.3V
SW5V
CAMERA
IN
D5V
D3.3V
A9V
D3.3V
1.8V
A9V
A5V
BU
OUT
VIDEO
ISOLATION
AMP
SEL
VIDEO
VIDEO
SEL
SW5V
NAVI
IN
SW5V
SW5V
SW5V
D3.3V
D5V
BL24.5V
9.2V
LCD-20V
18V
SI3.3V
TR
BL24.5V
18V
TOUCH
PANEL (LCD)
BACK LIGHT LCD
PANEL
REGD3.3V D1.2V
9.2V18V REG
18VBL24.5V TR
-6VLCD-20V TR
SDRAM
SERIAL
FLASH ROM
D3.3V
D3.3V (GERDA-2)
(216pin)
DISPLAY IC
D3.3V D1.2V
LCD-20V
18V
BL24.5V
D5V
D3.3V
D3.3V
9.2V
USB5V
18V
SI3.3V
EJE LED 9.2V
V LED 18V
REMO D3.3V
SI SI3.3V
KEY
R ENC
USB
AV IN
(FRONT)
USB5V
ANT.
J101
IC11 IC141
CN901
IC721
IC701
J1003
CN112
J1001
J1001
IC101
IC302
IC303
CN302 IC301
CN341 IC341
IC332
IC331
Q3311
IC371
IC231
IC211
IC241
J201
IC201
J261
IC431 IC401
Q6005
J201
IC651
J6503
CN654
M8V
A9V
ACC5V
VDD5V
ILM12V
SW5V
REG BU3.3V
D3.3V
SW FET SWREG
LCD-20V
BL24.5V
SWREG
D5V
SWREG
USB5V
PON3.3V
SYSTEM
REG
75 +6dB
BU DET
ILLUMI
ANTCON
PCON
LINEMUTE
W REMO
TU SDA EVOL MUTE
I2C DATA
I2C CLK
PWIC STBY
PWIC MUTE
BEEP
PRE MUTE
SCS
SCLK
USBNEN
LRMUTE
UCS
SW1
S2UDT
U2SDT
CPURESET
SW4
L/R
DVD RGB
D+,D-
DVD CV
DISC L/R
AVOUT MUTE
ILLUMI
BU DET
PCON
ANTCON
LINEMUTETU SDA
TU SCL
EVOL MUTE
I2C CLK
I2C DATA
BT MUTE SCLK
USBNENNAVI TX
SCS
LRMUTE
UCSBTRX
BTTX
BTRST
APP DATA
APP CLK
SYS CE
SYS DATA
APP CE
KEY 2
SI
KEY 1
REMO
RESET
PWIC MUTE REVERSE
REMOBEEP
PARKING
W REMOFAN CTL
PWIC STBY
NAVI RX
SW4
SW1
S2UDT
U2SDT
CPURESET
PRE MUTE
VIDEO M SW1
AVOUT MUTE
APP RST
SCL CLK
X2
Y1
R ENC2
R ENC1
X1
VIDEO M SW2 Y2
VIDEO OUT SW2
VIDEO OUT SW1
VIDEO M SW3
TU SCL
MIX REMO
REMO
W REMO
FAN CTL
L/R
Lch & Rch
FRONT
REAR
FRONT
REAR/SUB
AVOUT A
I2C DATA
I2C CLK
DVD RGB
NAVI RGB
BTRX
BTRST
BT MUTE
BTTX
VIDEO M SW2
VIDEO M SW1
VIDEO OUT SW1
NAVI TX
VIDEO OUT SW2
NAVI RX
MIX REMO
NAVI L/R
DVD CV
VIDEO
NAVI L/R
NAVI RGB
SYS DATA
SYS CE
APP DATA
APP CE
APP RST
APP CLK
Y2
Y1
X2
X1
KEY 2
SI
R ENC1
KEY 1
RESET
REMO
R ENC2SCL CLK
X1
X2
Y2
Y1
D3.3V
9.2V
18V
-6V
BL24.5V
SYS DATA
SYS CE
APP DATA
APP CE
APP RST
SCL CLK
APP CLK
R ENC2
R ENC1
KEY 2
SI
REMO
RESET
KEY 1
D-
D+
R ENC2
R ENC1
RESET
KEY 2
KEY 1
REMO
SI

Kenwood DDX318 Specifications

General

Display Size	6.2 inches
Resolution	800 x 480 pixels
Touchscreen	Yes
DVD Player	Yes
USB Port/Input	Yes
Bluetooth	Yes
iPod/iPhone Compatibility	Yes
Rear View Camera Input	Yes
Audio Formats Supported	MP3, WMA, AAC
AM/FM Tuner	Yes
Steering Wheel Control Compatible	Yes
Preamp Outputs	3 (Front, Rear, Subwoofer)
Power Output	50 Watts x 4
RMS Power Output	22W x 4
Peak Output	50W x 4
Video Formats Supported	MPEG-1, MPEG-2, DivX