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KVT-627DVD/627DVDY/717DVD
KVT-737DVD/747DVD/767DVD
Ref. No.
Application / Function
Operation / Condition / Compatibility
Q101
For DSI signal switching
DSI signal control
Q204
For LED switching
Switching LED_Blue / LED Green on MINI_LCD
Q205
For LED switching
Switching LED_Blue / LED Red on MINI_LCD
Q206
For LED switching
Switching LED_Red /LED_Green
●
ELECTRIC UNIT (X34-353/354x-xx)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC50
3-terminal regulator IC
8.4V for audio is generated from BU14V
IC52
Power supply conversion IC
±
9.0V for 5V pre-out is generated from BU14V
IC54
3-terminal regulator IC
5V for video is generated from BU14V
IC100
Power IC
Power amplifier for speaker output
IC150
Operational amplifier
Audio mid-point electrical potential 3.3V, SVR voltage 6.8V buffer
IC151
Electrical volume and Selector IC
Audio volume control, audio signal selection
IC200
Operational amplifier
For 5V pre-out audio signal amplification (Front)
IC201
Operational amplifier
For 5V pre-out audio signal amplification (Rear)
IC202
Operational amplifier
For 5V pre-out audio signal amplification (Sub-woofer)
IC203
Isolation amp IC
For audio signal GND isolation (AVIN2)
IC204
Isolation amp IC
For audio signal GND isolation (AVIN1)
IC251
RDS decoder IC
For RDS signal processing and demodulation
IC300
Voltage detector
For
µ
-com resetting voltage monitoring
IC301
Logic IC (NOR)
Muting control for audio
IC303
Audio microcomputer
For X34 board control
IC400
Video switch
For video signal selection (R)
IC401
Video switch
For video signal selection (G)
IC402
Video switch
For video signal selection (B)
IC403
Synchronization separation IC
For NT/PAL recognition, AVIN/Rear camera auto detection
Video signal selection (Synchronization separation)
For audio signal GND isolation (TV)
Video signal selection (For monitoring main unit)
Video signal selection (For AVOUT)
For audio signal selection (For MAIN source)
For audio signal selection (For 2-ZONE sources)
Video signal selection (For monitoring main unit)
Video signal selection (For AVOUT)
IC500
Isolation amp IC
For audio signal GND isolation (LX)
IC501
Logic IC (Inverter)
For reversing resetting signal
IC502
Logic IC (Buffer)
Buffer for remote control signal for NAVI
IC504
Operational amplifier
For DVD audio signal GND isolation (Right)
IC505
Operational amplifier
For DVD audio signal GND isolation (Left)
Q1
For fan 11V power supply
Comes ON when Q2 is ON
Q2
For fan 11V power supply
Comes ON when Q3 is ON
Q3
For fan 11V power supply
Comes ON when SW5V is ON
COMPONENTS DESCRIPTION
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