Components Description - Kenwood DDX7019 Service Manual

● VIDEO CONTROL UNIT (X14-985x-xx)
Ref. No. Application / Function
IC1 3.3V regulator
IC2 3.3V regulator
IC10 OP AMP
IC101 DC-DC control IC
IC102 DC-DC control IC
IC201 MPU
IC202 Reset IC
IC203 E2MROM
IC205 AND
IC301 Chroma gamma
IC302 NOT
IC303 Monostable multivibrator
IC304 NOT
IC400 VIDEO ISO AMP
IC401 AUDIO ISO AMP
IC402 Serial/parallel conversion
IC403 Video switch
IC404 Video switch
IC405 Video switch
IC406 Video switch
IC407 Audio selector
IC408 Audio selector
IC501,502 Motor driver
Q1 SW
Q2~10 SW
Q13 Short protection
Q14 8.5V regulator
Q15~17 8.5V regulator control
Q19~21 SW
Q22 SW FET
Q23,24 Emitter follower
Q25,26 SW
Q31~34 8V regulator control
Q35 8V regulator
Q36~38 8V regulator control
Q43 9V regulator
Q44~46 9V regulator control
Q101 SW
Q103,106
SW
Q108,111
Q104 SW
Q105 SW
Q109 SW

COMPONENTS DESCRIPTION

BU_3.3V
TC3.3V
AREF power supply (4V)
DC-DC control (Mechanism 8V, V5V)
DC-DC control (SW3.3V, D5V)
System µ-com
Reset IC
Save settings
Inverter PWM buffer
Chroma gamma
HSY reverse buffer
HSYNC delay
HSYNC delay
iPod video signal
iPod audio signal
Extension of µ-com port
X34 RGB or Graphic RGB
IC403 RGB or DVD RGB
iPod or DVD or Graphic or X34 Composite signal
For AVOUT (To X34)
MAIN
SUB
Panel drive
ACC_DET detection circuit
BU_DET detection circuit
BU power supply regulator (8.5V)
BU power supply regulator (8.5V)
BU power supply regulator (8.5V)
P-ON 14V control
P-ON 14V ON/OFF
Analogue power supply reference circuit
T_P3.3V switch
DVD A8V regulator
A8V regulator
A8V regulator
LED9V regulator
LED9V regulator
DC-DC output voltage switching
DC-DC protection control
DC-DC SW FET (5V or 7.5V)
DC-DC SW FET (5V)
DC-DC SW FET (3.3V)
DDX7019/7029/7029Y/7039
DNX7100/7200
Operation / Condition / Compatibility
5