3
KVT-M707/M707Y
COMPONENTS DESCRIPTION
●
VIDEO CONTROL UNIT (X14-954x-xx)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
DC-DC CONTROLLER
DC-DC circuit control/driving
IC2
5V REGULATOR
Power supply for BU5.0V
IC3
3.3V REGULATOR
Power supply for P-ON 3.3V
IC101
E2PROM
Non-volatile memory
IC103
SYSTEM
µ
-COM
System control
IC104
RESET IC
For resisting
µ
-com
IC105
AND
Remote controller and wired remote controller
IC301
OSD IC
IC for OSD display
IC303
OSD ROM
ROM for OSD display
IC304
INVERTER
For amplifying OSD clock
IC305
4-BIT COUNTERS
PLL CLK 3-way divider circuit
IC306
AND
PLL CLK 3-way divider circuit
IC307
NOR
PLL CLK 3-way divider circuit
IC308
INVERTER
PLL CLK 3-way divider circuit
IC401
MONO MULTI
For
γ
IC HSYNC pulse width control
IC402
INVERTER
For
γ
IC HSYNC pulse reversal
IC403
CHROMA/GAMMA IC
Video signal processing for TFT liquid crystal
IC502
AND
HSYNC buffer
IC503
SYNC SEPARATOR
Synchronization separation
IC504
MONO MULTI
HSYNC pulse width control for OSD IC
IC505
NON INVERTER
SYNC buffer
IC506
NON INVERTER
SYNC buffer
IC507
INVERTER
For reversal of OSD IC HSYNC pulse
IC508
NAND
VSYNC delay
3.3V
→
5.0V conversion
For HSYNC/VSYNC phase matching
For NTSC/PAL VSYNC switching
3.3V
→
5.0V conversion
Separate synchronization signal
→
Compound synchronization signal conversion
For action mechanism sliding
For action mechanism tilting
SW for P-ON
Q3
SW
For PARKING DET
Q5
SW
For ACC DET
Q7
SW
For software starting
Q9
SW
SW for P-ON
Q10~12
SW
For BU DET
Q13
BUFFER
For switching transistor gate drive
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