5
DDX8019/8029/8029Y/8039
●
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
EEPROM
Save settings
IC204
EEPROM
ROM correction
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