LG KE990 Service Manual - Page 111
Micbias, Line_on, Line_op, Hph_l, Hph_r, Ear1on, Ear1op, Spk_l, Spk_r
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Page 111 highlights
4. TROUBLE SHOOTING LINE_ON LINE_OP HPH_R HPH_L EAR1ON EAR1OP MICBIAS AC18 AC17 AA17 W17 AE18 AF18 T15 HP_R HP_L SPK_R SPK_L RCVRCV+ MICBIAS C532 1u SPK_R FM_AUDIO_R FM_AUDIO_L C541 1u SPK_L 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 C539 1u C534 1u AVDD1 7 8 LRC BCLK 9 10 11 ADCDAT DACDAT MCLK 4 RIP 5 RIN 6 R2_GPIO3 3 L2_GPIO2 1 2 LIP LIN 19 AUXL 20 AUXR 15 16 CSB_GPIO1 AGND2 24 VMID 27 MICBIAS 32 ROUT1 29 30 LOUT1 ROUT2 23 25 LOUT2 OUT3 22 OUT4 21 18 MODE 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- VREG_BT_2.85V VREG_MSMP_2.7V +VPWR VREG_MMC_3.0V EAR_MIC_P BT_SBST BT_TX_RX_N TCXO_BT BT_CLK BT_SBCK BT_SBDT BT_DATA V_BACK_UP HOOK_SENSE_N CAM_VDD_AF_2.7V CAM_VDD_SD_1.8V SPK_OUTSPK_OUT+ LGE Internal Use Only CN603 G1 1 40 2 39 3 38 4 37 5 36 6 35 7 34 8 33 9 32 10 31 11 30 12 29 13 28 14 27 15 26 16 25 17 24 18 23 19 22 20 21 G2 AXK740327G MICROSD_CLK MICROSD_DETECT MICROSD_CMD MICROSD_DATA[0] MICROSD_DATA[1] MICROSD_DATA[2] MICROSD_DATA[3] CAM_MIC+ WHEEL_SW_R WHEEL_SW_L MMP_CAM_PWR_EN CAM_COVER_DET - 112 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
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