LG KE990 Service Manual - Page 108
Codec_i2c_sda
View all LG KE990 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 108 highlights
4. TROUBLE SHOOTING U502 C548 C549 MIDI_3.3V C518 C519 4.7u 0.1u C514 C513 0.1u 10u VREG_5V R533 0 C516 C517 4.7u 0.1u VREG_WM_2.7V VREG_MSME_1.8V C520 C521 4.7u 0.1u C532 1u SPK_R FM_AUDIO_R FM_AUDIO_L C541 1u SPK_L C548 C530 12n R510 1K C535 C533 4.7n 1u C536 1u R516 1K C542 4.7n C547 12n R511 MMP_A_LRCLK MMP_A_BCLK MMP_ADI_ADCDAT MMP_ADO_DACDAT MMP_A_MCLK 18K R517 18K MID_MICP C548 1u HP_L C549 1u HP_R CODEC_I2C_SCL CODEC_I2C_SDA C550 NA C551 NA C539 1u C534 1u U502 WM8983 13 12 14 DCVDD DGND 26 DBVDD AVDD2 AGND1 28 31 AVDD1 24 7 AGND2 8 9 LRC BCLK 10 ADCDAT DACDAT VMID 27 11 MCLK U502 4 5 RIP MICBIAS 32 29 RIN ROUT1 LOUT1 30 6 R2_GPIO3 3 L2_GPIO2 23 ROUT2 1 LIP 2 LIN LOUT2 25 19 AUXL 20 AUXR 15 16 CSB_GPIO1 17 SCLK SDIN OUT3 22 21 OUT4 MODE 18 33 PGND R519 100K C524 C525 0.1u 10u FB500 HP_EAR_R HP_EAR_L FB501 MIC2P C543 C544 NA NA C531 NA MIC_PWR SPK_OUT+ SPK_OUT- Schematic of voice path Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 109 - LGE Internal Use Only