Components Description - Kenwood DDX7019 Service Manual

● VIDEO CONTROL UNIT (X15-101x-xx/112x-xx)
Ref. No. Application / Function
IC1 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
IC206 AND
IC301 Chroma gamma
IC303 Monostable multivibrator
IC304 INVERTER
IC305 Video switch
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 Motor driver
IC502 INVERTER
IC600 3-circuit INVERTER
IC601 3-circuit NON INVERTER
IC604 3-circuit INVERTER
IC605 Sync separation
IC606 D fl ip fl op
IC607 2-channel multiplexer
IC608 INVERTER
IC609 2-channel multiplexer
IC610 3.3V regulator
Q1 SW
Q2~Q10 SW
Q13 Short protection
Q14 8.5V regulator
Q15~Q17 8.5V regulator control
Q19~21 SW
Q22 SW FET

COMPONENTS DESCRIPTION

BU_3.3V
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
5V → 3.3V level conversion
Chroma gamma
HSYNC delay
HSYNC delay
γ_RGB or RGB through
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 AV OUT (To X34)
MAIN
SUB
Panel
Remote controller signal waveform shaping
HD and VD wave form shaping
HD and VD wave form shaping
C.SYNC level conversion
Countdown built-in sync separation
HD delay
HD changing
Logic reverse
C.SYNC changing
TC3.3V
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
DDX7019/7029/7029Y/7039/8019/8029/8029Y/8039
DNX7100/710EX/7200
Operation / Condition / Compatibility
5