
8
DDX7019/7029/7029Y/7039
DNX7100/7200
●VIDEO UNIT (X35-4730-10)
Ref. No. Application / Function Operation / Condition / Compatibility
IC1 Inverter control IC Control and drive of the inverter circuit for the back light
IC100 DC/DC converter IC +12.5V power supply for VCOM amplifier, and -12.0V/+18.5V power supply for LCD
IC102 Mono-multi Delay 5V power supply for DC/DC IC
IC103 NOT Reverse
IC300 AND Buffer to delay V.SYNC
IC302 Timing controller IC Control of LCD module
IC303 PLL LPF LPF for PLL control (VT voltage control)
Q1 5V constant voltage 5V power supply for inverter control IC
Q2,3 Inverter driver Drive the inverter circuit.
Q4 Dimmer SW Turn on or off in response to the PWM control signal to dimmer the back light.
Q5
Inverter frequency switching switch
SW to switch the free run frequency for inverter control IC
Q302 Buffer For PLL clock
Q303 VCO For PLL oscillation
Q500 Touch panel X1 SW X1 SW: Turn on in response to detection of the panel touch or X axis input and apply voltage
Q501 Touch panel X0 SW X0 SW: Turn on in response to X axis input and apply voltage
Q502 Touch panel Y1 SW Y1 SW: Turn on in response to Y axis input and apply voltage
Q503 Touch panel Y0 SW Y0 SW: Turn on in response to Y axis input and apply voltage
Q504 Touch panel Y0/Y1 SW Y0/Y1 SW: Turn on in response to Y axis input and off in response to X axis input.
●DIGITAL I/O UNIT (X88-2020-12)
Ref. No. Application / Function Operation / Condition / Compatibility
IC100 Fixed Current Limit
Power Distribution Switch Large current distribution switch for USB1
IC104 Exclusive OR Gate EP_SYNC (composite sync) output
IC105 Low Dropout Voltage
Linear Regulator SW3.3V →1.8V (for EP9307IRZ)
IC106 System-On-Chip Processor Media Processor
IC108 Inverter E_HSYNC Buffer
IC200 Triple Inverter Sub Clock Buffer
IC201 Octal Bus Transceiver Flash Memory data line switching (DA0~7)
IC202,203
SDRAM 256Mbit SDRAM for work memory
IC205 Octal Bus Transceiver Flash Memory data line switching (DA8~15)
IC207 iPod Authentication Coprocessor iPod Authentication
IC211 NOR Flash Memory 128Mbit Flash Memory for program data and graphic data
IC301 Stereo DAC Audio signal digital/analog converter
IC302 Color TV signal encoder Graphic signal digital/analog converter
IC305 Dual OP-Amp.(LPF) Stereo DAC Output LPF
IC309 On-Screen Display Controller On-Screen Display analog signal output
IC316 Triple Inverter Dot Clock(14.4MHz) Buffer
IC322 CPLD 2/3 frequency dividing and PAL thinning control (compression processing circuit)
IC332 Low Dropout Voltage Regulator A8V →A5V(for Stereo DAC and LPF)
IC336 Triple Schmitt Inverter VSY, HSY Buffer
IC337 Triple Schmitt Inverter CPV, STH Buffer
COMPONENTS DESCRIPTION