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 amplifi er, 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
