guys been googling for the chips used and these came out from a bwitish site
Extra info
MT1392E HDMI upscaler( the 490v has MT1389FE)
Sanyo - LA73054 Video Signal Driver
Texas Instrument(Burr Brown) - PCM1742 24-Bit, 192-kHz Sampling, Enhanced Multilevel, Delta-Sigma, Audio Digital-to-Analog Converter
Spansion - S294AL016D Floating Gate Flash Memory
16 Megabit (1 M x 16-Bit / 2 M x 8-Bit)
EtronTech - EM638165TS 4Mega x 16 Synchronous DRAM (SDRAM)