LG KM710 Service Manual - Page 114

7. CIRCUIT DIAGRAM Always power : IO_A, IO_G, MEM Same Power VCO = 1.5V for MPEG, others 1.2V for current IO_A = DBB LCD Interface (1.8V) IO_B = GPIO IO_C = T-FLASH, GPIO IO_E = CODEC, I2C (1.8V) IO_F = CAMERA IO_G = LCD Module Interface VDD_MEM = Internal SDRAM MM_1V5 C500 C501 C502 1u 1u 1u MM_1V5 VRIO K14 D5 N13 VDD_CO1 VDD_CO2 VDD_CO0 ELCD_DATA(15:0) ELCD_DATA(0) B14 ELCD_DATA(1) C14 ELCD_DATA(2) C12 ELCD_DATA(3) D12 ELCD_DATA(4) D11 ELCD_DATA(5) A12 ELCD_DATA(6) C11 ELCD_DATA(7) A11 ELCD_DATA(8) D10 ELCD_DATA(9) G4 ELCD_DATA(10) H4 ELCD_DATA(11) A10 VRIO ELCD_DATA(12) H3 ELCD_DATA(13) F3 ELCD_DATA(14) B10 R514 47K ELCD_DATA(15) R515 R516 D6 47K D9 47K D8 MM_INT ELCD_ADS LCD_CS ELCD_WR ELCD_RD MAIN_SUB_SEL C8 B9 A9 F4 A8 L=MAIN, H=SUB D7 R518 47K B7 R519 47K G3 MBOOT[0] MBOOT[1] GATED_IOEN BPEN BMSEL BOOT MODE A7 BOOT MODE E4 A14 H for LCD , L for active MM B13 BOOT MODE A13 BOOT MODE = EHI x86 16bit GPIO_A0 GPIO_A1 GPIO_A2 GPIO_A3 GPIO_A4 GPIO_A5 GPIO_A6 GPIO_A7 GPIO_A8 GPIO_A9 GPIO_A10 GPIO_A11 GPIO_A12 GPIO_A13 GPIO_A14 GPIO_A15 GPIO_A16 GPIO_A17 GPIO_A18 GPIO_A19 GPIO_A20 GPIO_A21 GPIO_A22 GPIO_A23 GPIO_A24 GPIO_A25 GPIO_A26 GPIO_A27 GATED_IOEN BPEN BMSEL USB 2.0 for Ccomliance Test SD_INSERT TP500 TP501 Leakage current from LCD Effects to T Flash error Cause to MM_2V8(0.7V) --> Use discharge LDO MLCD_VSYNC USB_DETECT E3 For External Card A4 D2 A3 A2 UART for TCC debug C1 R523 B3 47K C3 BOOT MODE D3 R528 47K B2 BOOT MODE D1 E1 GPIO_B0 GPIO_B1 GPIO_B2 GPIO_B3 GPIO_B4 GPIO_B5 GPIO_B6 GPIO_B7 GPIO_B8 GPIO_B9 GPIO_B10 GPIO_B11 TF_DAT0 TF_DAT1 TF_DAT2 TF_DAT3 Series R for some card TF_CLK TF_CMD MM_USB_EN CAM_RECORD_SEL CAM_2V8_EN MM_3V3 R536 3.9K MM_USB_DP MM_USB_DM 12MHz X500 2 1 3 4 DSX321G(12MHz,8PF) C524 22p R808 N7 L7 GPIO_C0 N6 GPIO_C1 M7 GPIO_C2 GPIO_C3 30 M5 GPIO_C4 N8 GPIO_C5 L1 GPIO_C6 N4 GPIO_C7 P1 GPIO_C16 P2 GPIO_C17 P3 P4 GPIO_C18 P5 GPIO_C19 N3 GPIO_C20 N2 N9 GPIO_C21 GPIO_C22 GPIO_C23 Consider patterns J1 K1 R534 2.7K K3 1% M2 M10 USB_DP USB_DM USB_REXT UTM_X1 UTM_X0 C525 22p R537 10K N10 SDR_CKE VDDD_IO_A VDDD_IO_B B8 C2 M1 VDDD_IO_C J3 VRIO VREXTH C503 1u C504 1u C505 1u VREXTH MM_2V8 VDD_MEM P14 VDDQ_MEM B11 P12 VDDD_IO_X0 K12 VDDD_IO_X1 G12 VDDD_IO_F VDDD_IO_G VDDD_IO_E N12 Max 100mA U506 TCC7402 VDDD_RTC0 VDDD_RTC1 J4 L4 MM_2V8 MM_3V3 C506 1u C507 1u C508 1u MM_3V3 VBACKUP C512 1u MBOOT[0] BMSEL MBOOT[1] GATED_IOEN BPEN VRIO R507 R508 47K 47K R510 100K R511 R512 100K 47K 56K R500 56K R501 56K R502 56K R503 56K R504 56K R505 DAC_2V8 TF_DAT0 TF_DAT1 TF_DAT2 TF_DAT3 TF_CLK TF_CMD TFLASH detect pin for external DAT3 pulldown for internal MM_1V5 DC/DC 1.5V for MPEG 1.2V for Others VBAT C510 10u L500 4.7uH R506 91K C509 100p AAT1143IJS-0.6-T1 U500 8 PGND3 EN 1 7 PGND2 OUT 2 6 PGND1 VIN 3 5 AGND 4 LX 4.7u C511 MM_LDO_EN R513 62K SI1304DL-E3 D Q500 G S MM_1V2_EN R509 200K VDDD_USB M3 VDDAT_USB L2 VDDAD_PLL L8 GPIO_E0 B1 GPIO_E1 A1 I2S CODEC GPIO_E2 G1 GPIO_E3 GPIO_E4 F1 F2 GPIO_E5 H2 GPIO_E6 K11 I2C CODEC GPIO_E7 H1 CODEC_BCLK CODEC_LRC CODEC_MCLK CODEC_DIN CODEC_DOUT N5 GPIO_F0 M8 GPIO_F1 GPIO_F2 P8 GPIO_F3 N11 M6 GPIO_F4 P6 GPIO_F5 M11 GPIO_F6 L6 GPIO_F7 GPIO_F8 L9 GPIO_F9 P9 L12 GPIO_F10 P7 GPIO_F11 GPIO_F12 M14 GPIO_F13 N14 GPIO_F14 P10 GPIO_F15 M13 GPIO_G0 H11 GPIO_G1 G11 GPIO_G2 K13 GPIO_G3 J13 J14 GPIO_G4 H12 GPIO_G5 G14 GPIO_G6 GPIO_G7 L14 G13 GPIO_G8 H14 GPIO_G9 F14 GPIO_G10 F13 GPIO_G11 GPIO_G12 F11 GPIO_G13 E14 E12 GPIO_G14 E13 GPIO_G15 GPIO_G16 J11 GPIO_G17 F12 GPIO_G18 C10 GPIO_G19 GPIO_G20 GPIO_G21 D14 E11 D13 GPIO_G22 B12 GPIO_G23 C13 CAM_D(0) CAM_D(1) CAM_D(2) CAM_D(3) CAM_D(4) CAM_D(5) CAM_D(6) CAM_D(7) CAM_MCLK CAM_PCLK CAM_VS CAM_HS CAM_PD CAM_RST VCAM_28 R520 4.7K R521 4.7K MLCD_DATA(15:0) CAM_I2C_SDA CAM_I2C_SCL DP_2V8 R531 100K R529 100K MLCD_RD MLCD_WR MLCD_RS MLCD_CS SLCD_CS E2 TDI D4 TCK A6 TMS TDO A5 B4 RTCK B5 NTRST R532 TP502 TP503 TP504 TP505 TC Debug TP506 1K C5 NRESET TEST C6 K4 XTIN L3 XTOUT FILTER0 L5 FILTER1 L10 R533 C521 C522 C523 47K 1000p CLK_32K 1800p 1800p MM_RESET 4.7K R535 MM Always power on LDO 2.8V VRIO VBAT MM_2V8 R517 47K 1u C513 U502 BH28MA3WHFV 1 VIN 5 6 GND STBY VOUT1 2 3 VOUT2 4 NOISE 7 PPAD Discharge R C515 0.01u 1u C514 LEVEL SHIFT VRIO MM_2V8 SD_INSERT_BB SLCD_RST U501 NLSV2T244MUTAG 1 VCCA VCCB 8 2 A1 B1 7 3 A2 B2 6 4 _OE 5 GND SD_INSERT SLCD_RESET VRIO MM_2V8 USB_DETECT_BB MLCD_RST U503 NLSV2T244MUTAG 1 VCCA VCCB 8 2 A1 7 B1 3 A2 B2 6 4 _OE GND 5 USB_DETECT MLCD_RESET MM USB Power DP_2V8 VBAT MM_3V3 MM_LDO_EN R530 C516 100K 1u BH33MA3WHFV 1 2 VIN VOUT1 3 5 6 VOUT2 DGSiTNsBDcYharNgPOePIASRDE 4 7 U504 C517 C518 0.01u 1u R524 R525 R526 R527 1.8K 1.8K 1.8K 1.8K SENSOR_I2C_SDA SENSOR_I2C_SCL LED_I2C_SDA B4 C4 B3 C3 B2 C2 LEDI2C_SCL LEDI2C_SDA TOUCH_I2C_SCL A1 A1 B1 C1 A2 U505 A2TXS0104EZXUR GND B4 A3 A3 OE B3 LED_I2C_SCL VRIO DP_2V8 A4 A4 B1 VCCB B2 VCCA TOUCH_I2C_SDA C519 1u C520 1u B6 VSSQ_MEM VSSD_USB VSS_IO_X0 VSS_IO_X1 K2 VSSAT_USB J2 VSSA_PLL VSS_IO_G VSS_IO_E VSS_IO_F G2 VSS_IO_C N1 VSS_IO_B VSS_IO_A VSS_CO1 VSS_CO2 VSS_CO0 C9 C4 Pull-up for USB 2.0 wakeup after suspand mode P13 VSS_MEM L11 VSSD_PLL M4 P11 L13 M9 H13 J12 C7 M12 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 115 - LGE Internal Use Only