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Kenwood KVC-1000 Service Manual page 4

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KVC-1000
COMPONENT DESCRIPTION
VIDEO CONTROL UNIT (X14-6072-70)
Q302
CRYSTAL RESONATOR SW
Switches crystal resonator.
CRYSTAL RESONATOR SW
Switches crystal resonator.
CRYSTAL RESONATOR SW
Switches crystal resonator.
SIF AMPLIFIER
Amplifies SIF.
VIDEO BUFFER
Video signal buffer.
IC501 POWER SW
Turns IC501 power supply on or off.
iIC501 POWER SW
Turns 1C501 power supply on or off.
iC501 POWER SW
Turns IC501 power supply on or off.
DC/DC Sw
Drives fly-back circuit.
DC/DC SW
Drives chopper circuit.
Q505 DRIVER
Drives Q505.
Q505 DRIVER
Drives Q505.
SEMI-BRIGHTNESS CONTROLLER
Controls semi-brightness on OSD circuit.
GREEN DRIVER
Drives "G" of RGB signals on OSD circuit.
RED DRIVER
Drives "R" of RGB signals on OSD circuit.
BLUE DRIVER
Drives "B" of RGB signals on OSD circuit.
SLIDE MOTOR VOLTAGE SW
Switches slide motor voltage.
H-SYNC BUFFER
H-synchronization signal buffer.
|RED DRIVER
V-COM DRIVER
Drives "R" of RGB signals on OSD circuit.
Drives "G" of RGB signals on OSD circuit.
FUNCTION
Driver and buffer for V-COM AC.
GAMMA CORRECTOR
Corrects the gamma.
MONORAL MULTIPLEXER
Controls the black mask.
TIMING CONTROLLER
Controls LCD.
PLL CONTROLLER
Controls PLL.
Controlling switch for the touch panel circuit.
Controlling switch for the touch panel circuit.
Controlling switch for the touch panel circuit.
Controlling switch for the touch panel circuit.
Controlling switch for the touch panel circuit.
Turns illumination on.
Drives inverter.
Drives inverter.
Switches inverter.
Switches dimmer.
Switches dimmer.
Supplies 7.5V to the gamma corrector IC (IC31).
Ripple filter.
Switches TV and the navigation mode.
Switches TV and the navigation mode.
Oscillates PLL.

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