Kenwood KVT-M707Y Service Manual page 7

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VIDEO UNIT (X35-4470-10)
Ref. No. Application / Function
IC1 INVERTER CONTROL
IC101 TIMING CONTROLLER
IC205 3-STATE BUFFER
IC303 PLL LPF
IC401 DIMMER SENSOR
Q1 DIMMER SW
Q2,3 INVERTER DRIVER
Q5 5V AVR
Q100 SW
Q101,102 POWER SUPPLY
Q104 VCO
Q105,106 POWER SUPPLY
Q203 BUFFER
Q204 SW
Q205 SW
Q501 TOUCH PANEL Y1 SW
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Q502 TOUCH PANEL X0/Y1 SW
L 13942296513
Q503 TOUCH PANEL X1/Y0 SW
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COMPONENTS DESCRIPTION
Control and driving of inverter circuit for backlight
LCD module control
Switch for start pulse switching
LPF for PLL control (VT voltage control)
Detection sensor for auto dimmer
Goes ON/OFF by PWM control signal and put dimmer on backlight
Driving of inverter circuit
5V power supply for inverter control IC
OPEN/CLOSE key ILLUMI blinking switch
Power supply for timing controller PLL circuit (17.5V)
For PLL oscillation
Power supply for timing controller PLL circuit (17.5V)
Buffer for PLL clock
For switching IC205
Switch for compound synchronization/separation synchronization
Comes ON at Y0 (X0) SW: Y (X)-axis input and goes OFF X (Y) axes input
Goes ON at Y1 SW: Y-axis input and impresses voltage
Comes on at X1 SW: panel touch detection or X-axis input and impresses voltage
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KVT-M707/M707Y
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Operation / Condition / Compatibility
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