
9
DDX5022/5022Y/5032/5032M/512/52RY
DNX5120/512EX/5220/5220BT
Ref. No.
Application / Function
Operation / Condition / Compatibility
Q804
Transistor
X15 SW-REG PSTART
●
VIDEO UNIT (X35-4890-10)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
Inverter control IC
Control and drive of the inverter circuit for the back light
IC101
NOT
Reverse
IC102
DC/DC converter IC
+12.5V/-12.0V power supply for VCOM ampli
fi
er and +15.0V power supply for LCD
IC200
Regulator
2.5V regulator
IC201
Op-amp
For VCOM ampli
fi
er
IC202
D
fl
ip
fl
op
LCD dot clock timing
IC203
γ
T/C
Control of LCD module
IC204
OR
For V_MUTE
IC205
Regulator
5.3V regulator
IC206
Buffer
5V
→
3.3V level conversion
IC207
FROM
For Mstar FW
IC208
Regulator
5.3V regulator
IC501
AND
3.3V
→
5V level conversion
IC700
Remote controller photoreceptor Detection for remote controller
Q1
5V constant voltage
5V power supply for inverter control IC
Q2
Dimmer SW
Turn on or off in response to the PWM control signal to dimmer the back light
Q3
SW
SW to change the free run frequency for inverter control IC
Q4,5
Inverter Driver
Drive of the inverter circuit
Q100
-10V regulator
LCD-10V regulator
Q101
-10V regulator control
LCD-10V regulator
Q201,202
Buffer
For VCOM current ampli
fi
cation
Q400
Buffer
CVBS2
Q401
Buffer
CVBS1
Q450
SW
SW to be turned on or off by NTSC/PAL signal and to change the
fi
lter constants
Q451
Buffer
For VCOM automatic adjustment
Q500
Touch panel X0 SW
X0 SW: Turn on in response to X axis input and apply voltage
Q501
Touch panel Y0 SW
Y0 SW: Turn on in response to Y axis input and apply voltage
Q502
Touch panel X1 SW
X1 SW: Turn on in response to detection of the panel touch or X axis input and apply voltage
Q503
Touch panel Y0/Y1 SW
Y0/Y1 SW: Turn on in response to Y axis input and turn off in response to X axis input
Q504
Touch panel Y0 SW
Y0 SW: Turn on in response to Y axis input and apply voltage
Q600
SW
RGB_LED SW (green)
Q601
SW
RGB_LED SW (red)
Q602
Buffer
AUX
COMPONENTS DESCRIPTION