5
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
COMPONENTS DESCRIPTION
●
VIDEO CONTROL UNIT (X14-939x-xx)
Ref No.
Application / Functions
Operation / Condition / Compatibility
IC100
AVR
Switching power supply (SW5V, MECHA7V)
IC101
AVR
Switching power supply (SW3.3V, PANEL MECHA7V)
IC102
AVR
Switching power supply (
±
7.5V, BL8.5V)
IC103
AVR
BU5V output
IC104
AVR
BU3.3V output
IC105
BU detector
Reduced voltage detector for BU line
IC106
P ON control
Power ON control IC
IC107
AVR
VIDEO7.5V output
IC108
AVR
SW2V output
IC200
E2PROM
E2PROM for system microprocessor
IC202
Motor driver
Slide mechanism motor driver
IC203
Motor driver
Tilt mechanism motor driver
IC204
System microprocessor
System control microprocessor
IC205
Buffer
Remote controller signal buffer
IC206
Reset
Reset control for system microprocessor
IC207
Reset IC
Reset IC for system microprocessor
IC300
AVR
VIDEO5V output
IC301
1H DELAY
1H DELAY (for PAL video signal)
IC302
RGB sw
RGB synchronize signal separator
IC303
RGB decoder
RGB signal decoder
IC304
RGB sw
RGB video signal switch (switching for DVD/NAVI, TV)
IC305
AVR
VIDEO3V output
IC306
Muting control
Video muting control
IC361
Sync mix.
Sync mixer for HD and VD sync
IC362
Sync sep.
Synchronies separator
3CH buffer (HD, VD signal)
HD timing generator (for OSD)
Graphic generator (for OSD)
Font data ROM (for OSD)
FLASH ROM (for MPEG decoder control program)
SRAM (MPEG decoder backup ROM)
Chip selector for SRAM
27MHz buffer
27MHz oscillator
IC560
SDRAM
SDRAM (for memory for decode data)
IC580
Level shift
Level shift (3.3V
→
5V)
IC601
Decoder
MPEG decoder
IC650
Amp
Video signal amp (6dB & LPF)
IC651
AVR
VIDEO5V output
IC652
Encoder
Video encoder
IC701
LPF
Audio LPF
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