Kenwood DNX5280BT Service Manual

4
DNX4280BT/5180/5280BT/5380/5380M
/5380BT/5580BT/6040EX/6180/6480BT/6980
COMPONENTS DESCRIPTION
●
VIDEO CONTROL UNIT (X15-154x-xx)
Ref. No. Application / Function Operation / Condition / Compatibility
IC1 DCDC controller IC 6.5V/1.5V DCDC converter
IC2 DCDC converter IC D5V/V5V/V5V_DVD DCDC converter
IC3 DCDC converter IC BU3.3V DCDC converter
IC4 Regulator BU1.8V Regulator IC
IC5 Regulator SW1.8V Regulator IC
IC6 Regulator D1.2V Regulator IC
IC7 Regulator NAND3.3V Regulator IC
IC8 Regulator SW1.8V_DA Regulator IC
IC9 Regulator P5V/FAN5V Regulator IC
IC200 Analogue IC VIDEO ISO, AMP for iPod
IC201 Regulator BU3.3V_SYS Regulator IC
IC202 AND Logic IC TV_SDATA Buffer
IC203 Voltage detect IC Reset signal generate at 3.0V
IC204 EEPROM EEPROM 1Kb
IC205 MCU IC System control IC
IC206 AND Logic IC Video Mute control
IC207 Analogue IC VIDEO ISO, AMP for AVIN
IC400 OP-AMP X 2 For BT Audio LPF
IC401 Regulator BT3.3V Regulator IC
IC402 Regulator A5V Regulator IC
IC403 Regulator USB5V Regulator IC
IC404 Audio DA convertor Audio DAC for NAVI voice
IC405 Audio DA convertor Audio DAC for USB audio
IC406 Video SW 8IN 5OUT Composite signal selector
IC408 Voltage detect IC USB5V over current detect
IC409 3state Buffer x2 IC BT control signal buffer
IC410 EXOR Logic IC BT control signal buffer
Q1~3 SW SW14V control
Q4 LOAD SW FET SW14V ON/OFF
Q5 BU voltage detect (Hi-side) BU_DET signal control
Q6,7 SW BU_DET signal control
Q8 BU voltage detect (Low-side) BU_DET signal control
Q9~13 SW BU_DET signal control
Q14,15 SW DET_MUTE signal generation
Q16 SW IC3 Forced PWM control
Q17 FET DCDC SW FET D1.5V
Q18 FET DCDC SW FET 6.5V
Q19 LOAD SW G3.3V ON/OFF
Q20 SW Q19 control
Q21 LOAD SW D3.3V ON/OFF
Q22 SW Q21 control
Q23 LOAD SW D3.3V_DVD ON/OFF

Kenwood DNX5280BT Specifications

General

Auto	Yes
Marine (chartplotters, sounders)	No
Map view options	2D
GPS accuracy - position	10 m
GPS accuracy - velocity	0.05 m/s
Display diagonal	6.1 \
Compatible memory cards	microSDHC, SD, SDHC
Bluetooth version	2.1+EDR
USB 2.0 ports quantity	1
Storage temperature (T-T)	-20 - 85 °C
Operating temperature (T-T)	-10 - 60 °C
Audio formats supported	AAC, MP3, WAV, WMA
Image formats supported	JPG
Video formats supported	DIVX, MPEG1, MPEG2
Product color	Black

Weight and Dimensions

Depth	159.3 mm
Width	182 mm
Height	112 mm
Weight	2200 g