— 8 —0.1 sCH1CH1 5V BWL20 μsCH1BWLCH1 1V10 μsCH1CH2CH2 BWLCH1 5V 5V1msCH2CH1BWLCH1 1V 1VCH21msCH1CH2BWLCH1 1V CH2 1V1msCH1CH2BWLCH1 1V 1VCH21 RESET signalIC102 pin 12 Main clock pulseMSM6755B-06 pin 323 Key scan signal KO10MSM6755B-06 pin 764 Key scan signal KO11MSM6755B-06 pin 775 Sound signal output (L-ch)MSM6755B-06 pin 476 Sound signal output (L-ch)Q109 2SC1740SQ Emitter7 Sound signal output (R-ch)MSM6755B-06 pin 458 Sound signal output (R-ch)Q110 2SC1740SQ Emitter9 Sound signal output (R-ch)LA4598 pin 30 Sound signal output (L-ch)LA4598 pin 12Tone: Flute Ensemble (58)Key: A3Volume: 71 256903478MAJOR WAVEFORMS