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8
KVT-727DVD/727DVDY
COMPONENTS DESCRIPTION
●
VIDEO CONTROL UNIT (X14-9572-71)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC100
DC-DC power supply IC
SW5V/MECHA7V control
IC101
DC-DC power supply IC
SW3.3V/MECHA7.5V control
IC102
DC-DC power supply IC
BL8.5V,
±
7V control
IC103
Regulator IC
Backup 5V generation
IC104
Regulator IC
Backup 3.3V generation
IC108
Regulator IC
IC601 2V generation
IC200
E2PROM
Memory for
µ
-com
IC202
Motor driver IC
Sliding mechanism slide control
IC203
Motor driver IC
Sliding mechanism angle control
IC204
System microcomputer
For main unit control
IC205
Logic IC (AND)
AND for remote cont wired remote-controlled
IC206
Resetting IC
For resetting
µ
-com
IC207
Logic IC (AND
∗
4)
For 3.3V
→
5V conversion
IC301
Color differential signal 1H-DELAY
For delaying color differential signal for 1H at the time of PAL
IC303
Color liquid crystal panel driving signal
RGB signal generation for liquid crystal
processing IC
IC304
RGB switch
For switching DVD signal and RGB signal coming from X34
IC306
Logic IC (Inverter)
For reversing blank signal coming from X35
IC361
Logic IC (NAND)
HD signal reversal buffer
IC362
PLL built-in synchronization separation IC
HD/VD generation from composite signal after synchronization separation
IC363
Logic IC (Buffer)
Buffer for HD signal
IC364
Logic IC (Buffer)
Buffer for VD signal
IC365
Logic IC (Mono-multi)
HD delaying for OSD-IC
IC366
Logic IC (Inverter)
For VD signal reversal
IC400
MOS-IC for on-screen display
For displaying characters and patterns on the monitor screen
IC401
FLASH ROM
ROM for OSD-IC
IC402
Logic IC (NOR)
For frequency dividing of clock for OSD-IC
IC403
Logic IC (D-FF
∗
4)
For frequency dividing of clock for OSD-IC
IC404
Logic IC (Inverter)
For frequency dividing of clock for OSD-IC
IC405
Logic IC (AND)
For frequency dividing of clock for OSD-IC
IC406
Logic IC (OR)
For frequency dividing of clock for OSD-IC
IC500
Regulator
DVD mechanism 5V generation
IC520
FLASH ROM
For MPEG decoder control program
IC540,541
Logic IC (Inverter)
For 27MHz oscillation
IC560
SDRAM
RAM for temporary storage of decoded signal
IC601
MPEG decoder
IC for decoding MPEG encoded signal
IC650
Video signal LPF + drive IC
For DVD RGB/composite signal
IC651
Regulator
For 5V generation
IC652
Video encoder
Conversion of digital video signal into analog signal