Video Control Unit (X14-947X-Xx); Components Description - Kenwood KVT-915DVD Service Manual

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VIDEO CONTROL UNIT (X14-947x-xx)

Ref No. Application / Functions
IC100 DC/DC converter
IC101 DC/DC converter
IC102 DC/DC converter
IC103 OP amp
IC104 AVR
IC105 AVR
IC106 CMOS logic IC
IC200 EEPROM
IC201 EEPROM
IC202 Microprocessor
IC203 Motor driver
IC204 Reset IC
IC205 Motor driver
IC206 CMOS logic IC
IC207 CMOS logic IC
IC208 OP amp
IC209 CMOS logic IC
IC300 REM. sensor
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L 13942296513
IC400 CMOS logic IC
IC401 LCD I/F IC
IC402 AVR
IC500 AVR
IC501 Video SW
IC502 Selector IC
IC503 RGB SW
IC504 Video SW
IC505 AVR
IC506 Microprocessor
IC507,508 CMOS logic IC
IC509 Sync. separator
IC510 PLL IC
IC511 CMOS logic IC
IC512 CMOS logic IC
IC513 3 to 8 decoder
IC514 CMOS logic IC
IC515,516 CMOS logic IC
IC517 RGB SW
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IC518,519 Flash ROM
IC520 CMOS logic IC
IC521 CMOS logic IC
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IC522 SDRAM
IC523 Graphic processor LSI

COMPONENTS DESCRIPTION

AVR (for SW5V, DVD mecha.7V)
AVR (for SW3.3V, SW1.85V)
AVR (for SW±7V, 8.5V)
Reduced voltage detect comparator
BU5V output
BU3.3V output
Inverted for control signal to DC/DC converter
Backup data for region code, serial number and security
ROM correction IC
System microprocessor
Panel mechanism driver (for SLIDE function)
Reset for system microprocessor
Panel mechanism driver (for TILT function)
Remote control signal buffer amp
Power ON/OFF control for LCD monitor
Audio amp for level indicator
Buffer for ext. reset signal
Remote control sensor
Video signal clamp timing control
γ adjustment for LCD
For LCD I/F IC (7.5V)
For video circuit (5V)
Select for video sync. signal
Select for video sync. signal
Select for video RGB signal
Select for video sync. signal
For PLL IC (5V)
Control for graphic processor LSI
Level shift IC
Sync. separate for composite video signal
Dot clock generator for graphic drawing IC
Generated control signal for RGB selector
Composite to NAVI sync. signal
Chip select signal generator for flash ROM
Level shift IC
Generated control signal for RGB selector
Select to R/G/B signal
Includes in program and graphic data
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Clamp plus genitalia
For data backup
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Microprocessor work area
Graphic processor
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Operation / Condition / Compatibility
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KVT-915DVD,925DVD,935DVD
KVT-945DVD,965DVD
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