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2.
Scalar
PW328B can process dual channel data: graphic port and video port data. It receives data with YCBCR 4:2:2 (video input) as well as RGB 4:4:4
(graphic input).
3. EEPROM
The series EEPROM UD5 (AT24C128N, 128k) stores the system information, included factory and user data.
4. RS232 Driver/Receiver
This LCD TV can use RS232 download connector to download new software or control this
LCD TV by RS232 commands. The RS232 Driver/Receiver U502 is used to drive / receive
RS232 signals between CPU and download connector.
5. IR receiver:
The front IR receiver accepts IR signal from front side direction. The carrier frequency is
38kHz.
3. Video Input MUX Circuit
1. MM1492B is an Audio/Video multiplexer IC. The chip is programmed by means of an
I2C interface.
4. Audio processor and Power Amplifier
Audio processor Circuit
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