KVT-817DVD/827DVD/827DVDY
KVT-837DVD/847DVD/867DVD
11
Ref. No.
Application / Function
Operation / Condition / Compatibility
Q771,772
Small signal NPN transistor
For GRITT-IC video clock amp
Q830
PNP digital transistor
NT/PAL control 3.3V
→
5V conversion for IC830
Q831
NPN digital transistor
NT/PAL control 3.3V
→
5V conversion for IC830
Q901
NPN digital transistor
For ILLUMI detection
Q902
NPN digital transistor
For REVERSE detection
Q904
Small signal NPN transistor
SW3.3V control for X16
Q905
PNP transistor for medium power
SW3.3V control for X16
amplification
Q906
NPN digital transistor
SW5V control for X16
Q907
PNP digital transistor
SW5V control for X16
Q908
NPN digital transistor
SW5V control for X16
●
SUB-CIRCUIT UNIT (X16-303/304x-xx)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC201
Remote controller light receptor section
Remote controller light receptor section
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 (X34-355/381x-xx)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC50
3-terminal regulator IC
8.4V for audio is generated from BU 14V
IC51
3-terminal regulator IC
DSP audio 8.4V generation from BU 14V
IC52
Power supply conversion IC
±
9.0V for 5V pre-out is generated from BU14V
DSP digital 5V generation from DSP digital 8V
5V for video is generated from BU14V
Power amplifier for speaker output
Audio mid-point electrical potential 3.3V, SVR voltage 6.8V buffer
Electrical volume and Selector IC
Audio volume control, audio signal selection
For 5V pre-out audio signal amplification (Front)
For 5V pre-out audio signal amplification (Rear)
For 5V pre-out audio signal amplification (Center, Sub-woofer)
For audio signal GND isolation (AVIN2)
IC204
Isolation amplifier 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)
COMPONENTS DESCRIPTION
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