手机原理图,V3的电路图
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Rec8mil HSR8mil spk12mil Hsmic8mi linep8mil HSMIC Class D Amp Speaker 7 7 SPKP SPKN C839 100nF R812 20K R813 20K C840 100nF R814 20K 1 4 8 C F u 1 A1 A3 C1 B1 B2 R815 20K IN IN BYPASS GND1 GND2 VO1 VO2 VDD A2 C2 B3 C3 SHUTDOWN U801 BL6212CP 6 1 8 R K 7 4 10u 2 4 8 C SPKPAN SPKPAP 119 119 119 SPKPAP U22 U23 3 119 SPKPAN 27pF C820 27pF C821 27pF C882 1 0 8 V R 2 0 8 V R VBAT GPIO115 100nF C843 Receiver HSMICBIAS 17 10N1128 3 C807 100nF HSMICP 7 HSMIC 115 R2 R1 0 Q801 RCVP 1 719 CA04F2S4AG RCVN 2 C......
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