LG KG280 Service Manual - Page 34

3. TECHNICAL BRIEF 1V8_VCAM 2V8_VCAM C202 0.1u C203 4.7u C204 4.7u _MIDI_RST 26M_MIDI C235 1000p R202 6.8K C210 2200p C211 100p _MIDI_CS MADD01 MADD02 C212 M_WR M_RD 1000p A_DATA08 A_DATA09 A_DATA10 A_DATA11 A_DATA12 A_DATA13 A_DATA14 A_DATA15 _MIDI_IRQ _MIDI_IRQ ACOUSTIC & MIDI 64 POLY MIDI IC(MP3 Ringtone) FB200 VBAT VBAT E8 IOVDD1 H3 IOVDD2 D7 DVDD1 DVDD2 E1 J3 DVDD3 C1 AVDD C8 SPVDD B2 VREF ECCH0000182 10V Over 10V Over ECTH0004807 ECCH0004904 10V Under C205 C200 4.7u C201 1u 0.1u C206 0.1u C208 C234 D3 _RST E2 CLKI D2 PLLC TXOUT C2 0.1u 27p SPK_SEL REC_P H4 _CS__SS F1 A0 E3 A1 J5 _WR_SCK G4 _RD_SI G3 D0 J2 D1 H2 D2 G2 D3 H1 J1 D4 D4_H1 F3 D5 G1 D6 F2 D7 EXC A2 EXTOUT C6 B5 BBL B6 HPOUTL C5 BBR MIDI_HP REC_N R203 100K FM_AUDIO J6 SO H5 SMODE G5 IFSEL G7 MTR J8 MTR_G7 H8 LED0 H7 LED1 J7 LED2 E7 _IRQ H6 GPIO U204 A6 HPOUTR YMU792P EUSY0306401 B3 HPC B4 EQ1 EQ2 A3 A4 EQ3 A7 SPOUT2 MIDI_HPR R207 24K C217 R224 20K 0.01u R209 82K C218 390p C233 0.1u SPK_N SPK_P R230 NA R231 NA U200 1 VCC NO2 10 2 9 NO1 COM2 3 COM1 IN2 8 4 IN1 7 NC2 5 NC1 GND 6 NLAS5223BMNR2G C209 C213 10u 1u C236 27p VA200 EVL5M02200 SPK_SEL L RECEIVER H SPEAKER SPKP_P SPK_N ADD01 ADD02 A_WR A_RD R226 R227 R228 R229 100ohm 100ohm 0 0 C237 C238 SPK_RCV_P SPK_RCV_N VA201 EVL5M02200 MADD01 MADD02 M_WR M_RD C239 C240 G8 BCLK F7 LRCK F8 SDIN E6 MCLK D6 TESTI0 F6 TESTI1 G6 TESTI2 C7 TESTI3 B7 SPOUT1 A8 SPOUT1_B7 C3 RXIN A1 RXIN_C3 C4 EXTIN D4 INDEX C219 0.068u R225 NA C221 C222 SPK_P FM_AUDIO_R REC_P 7.5p 7.5p 7.5p 7.5p 47p 47p D1 DVSS1 D8 DVSS2 J4 DVSS3 B1 AVSS A5 HPVSS B8 SPVSS Figure 3-13. MAIN SPEAKER Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 35 - LGE Internal Use Only