KVT-M700
7
COMPONENT DESCRIPTION
VIDEO UNIT (X35-423x-xx)
REF.
No.
FUNCTION
OPERATION
IC701
VIDEO SIGNAL PROCESSOR
Decodes chroma, controls gamma.
IC702
1H DELAY LINE
For PAL chroma 1h delay.
IC703
3.0V AVR
Regulates 3.0V.
Q10-14
TOUCH-PANEL CONTROL SW
CONTROL SW for touch-panel.
Q200
VCO
Oscillates PLL.
Q201,202
TV/NAVI SW
Switches TV/NAVI.
Q300
+7.5V AVR
Su7.5V to gamma control circuit.
Q301
RIPPLE FILTER
Ripple filter.
Q302,303
V-COM BUFFER
Buffers V-COM.
Q401,403
C-SYNC BUFFER
Buffers C-SYNC.
Q497,498
NTSC/PAL SW
Switches NTSC and PAL.
Q500
I SIGNAL BUFFER
Buffers I signal.
Q600-602
INVERTER SW
Switches inverter.
Q603,604
INVERTER DRIVER
Drives inverter.
Q700
BRIGHTNESS BUFFER
Buffers brightness signal.
Q701
CHROMA TRAP CUT-OFF FREQUENCY
SW
Switches chroma trap cut-off frequency.
Q801-804
KEY ILLUMINATION SW
Switches key illumination red and green.