Kenwood DDX7029 Service Manual

5
DDX7019/7029/7029Y/7039
DNX7100/7200
●
VIDEO CONTROL UNIT (X14-985x-xx)
Ref. No. Application / Function Operation / Condition / Compatibility
IC1 3.3V regulator BU_3.3V
IC2 3.3V regulator TC3.3V
IC10 OP AMP AREF power supply (4V)
IC101 DC-DC control IC DC-DC control (Mechanism 8V, V5V)
IC102 DC-DC control IC DC-DC control (SW3.3V, D5V)
IC201 MPU System µ-com
IC202 Reset IC Reset IC
IC203 E2MROM Save settings
IC205 AND Inverter PWM buffer
IC301 Chroma gamma Chroma gamma
IC302 NOT HSY reverse buffer
IC303 Monostable multivibrator HSYNC delay
IC304 NOT HSYNC delay
IC400 VIDEO ISO AMP iPod video signal
IC401 AUDIO ISO AMP iPod audio signal
IC402 Serial/parallel conversion Extension of µ-com port
IC403 Video switch X34 RGB or Graphic RGB
IC404 Video switch IC403 RGB or DVD RGB
IC405 Video switch iPod or DVD or Graphic or X34 Composite signal
IC406 Video switch For AVOUT (To X34)
IC407 Audio selector MAIN
IC408 Audio selector SUB
IC501,502 Motor driver Panel drive
Q1 SW ACC_DET detection circuit
Q2~10 SW BU_DET detection circuit
Q13 Short protection BU power supply regulator (8.5V)
Q14 8.5V regulator BU power supply regulator (8.5V)
Q15~17 8.5V regulator control BU power supply regulator (8.5V)
Q19~21 SW P-ON 14V control
Q22 SW FET P-ON 14V ON/OFF
Q23,24 Emitter follower Analogue power supply reference circuit
Q25,26 SW T_P3.3V switch
Q31~34 8V regulator control DVD A8V regulator
Q35 8V regulator A8V regulator
Q36~38 8V regulator control A8V regulator
Q43 9V regulator LED9V regulator
Q44~46 9V regulator control LED9V regulator
Q101 SW DC-DC output voltage switching
Q103,106
Q108,111
SW DC-DC protection control
Q104 SW DC-DC SW FET (5V or 7.5V)
Q105 SW DC-DC SW FET (5V)
Q109 SW DC-DC SW FET (3.3V)
COMPONENTS DESCRIPTION

Kenwood DDX7029 Specifications

General

Brand	Kenwood
Model	DDX7029
Category	Car Video System
Language	English