Introduction - If you have any usage issues, please Google them yourself
AT89C2051 is PT2258 master volume control, digital control, infra-red remote control, 2.1/5.1 sources choice), including a full set of schematics, source, the HEX file
Packet : 5647多媒体5.1功放全套方案.rar filelist
PT2258
PT2258\y22.doc
PT2258\SC6121AZ.pdf
PT2258\SC6122AZ.pdf
PT2258\Remote.dwg
PT2258\YDS320-02SCH
PT2258\YDS320-03SCH
PT2258\YDS560-04SCH
PT2258\Yds25e4c.hex
PT2258\yds25e4c.asm