First line: ra5b* MAX232 8pin ic PD424260* TLR124* EMP7128 Abstract: .. The three analog inputs for the sine wave generator output, rheostat, and optical sensor are .. J1. JACK_STEREO AUDIO OUT. R-CH. CV470u/16V. C51. CV470u/16V. + + L R. + MOTER. 3C2. L-CH 1A2 R-CH. 1A2 .. Tags: EMP7128TLR124*PD424260*MAX232 8pin icra5b*datasheet abstract..