LG KU250 Service Manual - Page 63
MSM6245 CODEC pins - audio codecs
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3. TECHNICAL BRIEF MSM6245 CODEC pins RCVRCV+ 220n R202 36 220n HPH_R HPH_L C200 47p C201 47p AUDIO Near to MSM MIC1P MIC1N MIC2P MIC2N C202 C203 MICBIAS LINE_N LINE_P C204 10p 22n 22n C212 0.1u 10% Place near MSM pin W18 (CODEC VSS) C210 C211 AC18 AC17 AA17 W17 AE18 AF18 T15 AA18 AA19 AC22 AC21 AC19 AC20 AF19 AE19 AF21 AF22 AF20 AE20 AA20 LINE_ON LINE_OP HPH_R HPH_L EAR1ON EAR1OP MICBIAS AUXOUT HPH_VREF LINE_L_IP LINE_L_IN LINE_R_IP LINE_R_IN AUXIN AUXIP MIC2N MIC2P MIC1N MIC1P CCOMP F25 SDCC_DAT1_GPIO99 M25 SDCC_DAT2_GPIO100 M26 Figure 1.25 Audio part schematics VREG_MSMP_2.7V C400 0.1u HOOK_KEY 5 4 VIN- 1 VCC OUT GND 3 VIN+ 2 U400 NCS2200SQ2T2G R405 100K 1M R402 R401 5.1K 10K R404 MIC2N MIC2P HPH_L HPH_R USB_D+ USB_DEAR_SENSE_N VBATT 2.2K R400 MICBIAS VREG_MSMP_2.7V R403 51K I/O CONNECTOR C402 C401 33u 33u R406 100ohm R407 100ohm Figure 1.26 Audio part schematics CN401 HSEJ-18S04-25R 21 19 1 2 3 4 5 6 7 8 9 - 64 -
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