LG KG200 Service Manual - Page 57
Microphone, Speaker
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Page 57 highlights
5. Circuit Diagrams Microphone P.1 MICP0 C202 10uF C0805 P.1 MICN0 MICBIASP R221 1K R0402 C200 100nF C0402 R202 1.5K R0402 U204A CSPEMI202A C1 CSPEMI202A C208 100nF C0402 C205 N.C. (100pF) B2 C0402 U204B CSPEMI202A C3 CSPEMI202A R207 1.5K R0402 B2 R220 1K R0402 MICBIASN 2 21 1 2 21 1 A1 MIC200 Microphone 4X1.3mm OBF215 1 2 A3 ESD213 ESD214 Spark Gap Spark Gap Speaker P.1 MP3_OUTR P.1 MP3_OUTL C237 C234 100nF C0402 100nF C0402 R212 R217 20K R0402 N.C. (20K) R0402 P.1 GPIO1_OP_EN C239 N.C. (220pF) C0402 R213 43K R0402 U200 A1 -IN Vo2(+) C2 A3 +IN Vo1(-) A2 1uF C1 C241 BYPASS C0402 C3 VDD GND1 /SHUTDOWN GND0 B3 B2 B1 R214 100K R0402 LM4990AFCT2G NCP2890-D SPK+ SPKVBAT C238 2u2F C0603 U206A CM1416 A1 CM1416 C243 N.C. (100pF) C0402 B2 U206B CM1416 A3 CM1416 B2 2 21 1 2 21 1 C1 LS203 DMS1608F-06-F2-G P30-02B1-00 SPK1P SPK1N ESD211 ESD212 E201 C3 Spark Gap Spark Gap P55-02B1-01 AS501C-A0G1E - 58 -
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