LG KU250 Service Manual - Page 144

7. CIRCUIT DIAGRAM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A U301 HYC0UEH0MF3P-6SS0E VREG_MSMP_2.7V NAND_CS_N B NAND_READY RESOUT_N R300 51K R301 100K SDRAM_CS_N(0) SDRAM_WE_N SDRAM_RAS_N SDRAM_CAS_N SDRAM_CLK SDRAM_CLK_EN EBI2_WE_N NAND_ALE NAND_CLE EBI2_OE_N J2 _CS K1 _WED G2 _RAS H2 _CAS G8 E3 CK B6 CKE _CE B7 _WEN C6 R_B C4 ALE B4 CLE B3 C3 _RE _WP VSSN0 C5 VSSN1 P6 J9 VSSQ0 K10 VSSQ1 L10 VSSQ2 M9 VSSQ3 VSSQ4 N10 VSSQ5 C10 VSSQ6 D9 VSSQ7 E10 VSSQ8 F9 VSSQ9 G10 R302 100K SDRAM_ADDR(13) SDRAM_ADDR(14) EBI2_DATA(0:7) EBI2_DATA(0) J3 K2 BA0 BA1 N1 IO0 J10 VDDQ0 K9 VDDQ1 VDDQ2 L9 VDDQ3 M10 EBI2_DATA(1) N2 IO1 VDDQ4 N9 EBI2_DATA(2) N3 IO2 VDDQ5 C9 EBI2_DATA(3) M5 IO3 VDDQ6 D10 C EBI2_DATA(4) EBI2_DATA(5) EBI2_DATA(6) EBI2_DATA(7) P7 M6 IO4 N6 IO5 M8 IO6 VDDQ7 E9 F10 VDDQ8 G9 VDDQ9 IO7 SDRAM_ADDR(0:12) SDRAM_ADDR(0) K4 A0 VSS0 B9 SDRAM_ADDR(1) L1 A1 VSS1 C1 SDRAM_ADDR(2) L2 A2 VSS2 H9 SDRAM_ADDR(3) L3 A3 VSS3 J1 SDRAM_ADDR(4) SDRAM_ADDR(5) SDRAM_ADDR(6) SDRAM_ADDR(7) SDRAM_ADDR(8) C2 D2 A4 E1 A5 D3 A6 E2 A7 VSS4 P9 M2 VSS5 B8 SDRAM_ADDR(9) D4 A8 VDD0 D1 SDRAM_ADDR(10) K3 A9 A10 VDD1 VDD2 H1 SDRAM_ADDR(11) F2 A11 VDD3 H10 SDRAM_ADDR(12) F1 A12 VDD4 P8 D VDD5 M1 SDRAM_DQM(0) SDRAM_DQM(1) SDRAM_DQM(2) SDRAM_DQM(3) J8 G6 DQM0 F8 DQM1 E7 DQM2 DQM3 B5 VCC0 N5 VCC1 SDRAM_DATA(0:31) SDRAM_DATA(0) L4 SDRAM_DATA(1) SDRAM_DATA(2) L5 DQ0 DQ1 L6 DQ2 NC0 J7 NC1 H7 SDRAM_DATA(3) L7 DQ3 NC2 H8 SDRAM_DATA(4) K8 DQ4 NC3 B1 SDRAM_DATA(5) SDRAM_DATA(6) SDRAM_DATA(7) SDRAM_DATA(8) SDRAM_DATA(9) L8 K7 DQ5 K5 DQ6 K6 DQ7 G7 DQ8 NC4 B2 B10 NC5 E5 NC6 F3 NC7 G1 E SDRAM_DATA(10) SDRAM_DATA(11) J6 DQ9 J5 DQ10 DQ11 NC8 G5 NC9 NC10 M3 SDRAM_DATA(12) H6 DQ12 NC11 M4 SDRAM_DATA(13) H5 DQ13 NC12 M7 SDRAM_DATA(14) J4 DQ14 NC13 N4 SDRAM_DATA(15) SDRAM_DATA(16) SDRAM_DATA(17) SDRAM_DATA(18) SDRAM_DATA(19) G3 G4 DQ15 F4 DQ16 E4 DQ17 F5 DQ18 NC14 N7 N8 NC15 P1 NC16 P2 NC17 P3 SDRAM_DATA(20) H3 DQ19 DQ20 NC18 NC19 P4 SDRAM_DATA(21) H4 DQ21 NC20 P5 SDRAM_DATA(22) E6 DQ22 NC21 P10 SDRAM_DATA(23) SDRAM_DATA(24) F7 DQ23 F6 DQ24 F SDRAM_DATA(25) SDRAM_DATA(26) SDRAM_DATA(27) SDRAM_DATA(28) SDRAM_DATA(29) D5 E8 DQ25 D6 DQ26 D8 DQ27 D7 DQ28 DNU0 A2 A9 DNU1 A10 DNU2 R1 DNU3 R2 SDRAM_DATA(30) C8 DQ29 DQ30 DNU4 DNU5 R9 SDRAM_DATA(31) C7 DQ31 DNU6 R10 C334 0.01u C335 0.1u C328 0.1uF C329 0.1uF C330 0.1uF C331 0.1uF C332 0.1uF C317 0.1uF C318 0.1uF C319 0.1uF C320 0.1uF C321 0.1uF REV_B X16 SDRAM --> X32 SDRAM VREG_TCXO_2.85V VREG_SYNTH_2.6V GSM_PA_PWR_CTL_REF VREG_BT_2.85V REV_B 0.1u C301 0.1u C302 0.1u C303 0.1u C304 0.1u C305 0.1u C306 0.1u C307 4.7u C308 4.7u C310 PMIC VPWR BYPASS A VDD_MSMC : 4.7uF VDD_MSM : 0.1uF VDD_MSME : 4.7uF VDD_ANA : 0.1uF VDD_RUIM : 0.1uF VDD_RF : 0.1uF VDD_WLAN : 0.1uF VDD_MAIN : 0.1uF VDD_SPKR : 0.1uF +VPWR C446 33u B C311 1u +VPWR C316 2.2u C312 1u +VPWR AMUX_OUT +VPWR +VPWR VREG_MSME_1.8V VREG_MSME_1.8V VREG_MSMP_2.7V +5V_PWR R305 10K 1005 MCP(512Mb NAND + 512Mb 1 piece SDRAM) MEMORY +VPWR LCD_LDO_EN C324 12p C325 0.1u 1608 REMOTE_PWR_ON Check if it is LOW enable. 85 GND_SLUG 84 VREG_TCXO 83 VDD_MAIN 82 AMUX_OUT 81 VREG_SYNT 80 REF_OUT(MPP8) 79 SPKR_OUT_M 78 SPKR_IN_M 77 VDD_SPKR 76 SPKR_IN_P 75 SPKR_OUT_P 74 SPKR_BYP 73 VREG_RFTX 72 AMUX_IN2(MPP2) 71 VDD_RF 70 AMUX_IN1(MPP1) 69 VREG_RFRX1 68 CBL0PWR_N(MPP3) 67 VREG_RFRX2 66 CBL1PWR_N(MPP4) 65 VDD_WLAN 64 VREG_WLAN C327 ICHARGE CHG_CTL_N ICHARGEOUT VBATT BATT_FET_N RESIN_N 1u USB_OE_N USB_CTL_N USB_VBUS USB_DAT USB_D+ USB_SE0 USB_D- R309 2.2K C336 1608 4.7u 1 ADC_BYP 2 VCHG 3 ISNS_P 4 CHG_CTL_N 5 ISNS_M 6 VBAT 7 BAT_FET_N 8 FLSH_DRV_N 9 PON_RESET_N 10 VREG_USB 11 USB_ID 12 VREG_5V 13 USB_OE_N 14 VSW_5V 15 USB_CTL_N 16 USB_VBUS 17 USB_DAT 18 USB_D_P 19 USB_SE0 20 USB_D_M 21 GP1_DRV_N(MPP7) U300 PM6650-2M 63 0.1u C322 REF_BYP 62 REF_GND 61 REF_ISET 60 VCOIN 59 MSM_INT_N 58 TCXO_IN 57 R303 121K BAT300 1% 1u PM_INT_N TCXO_PM NBL414R-F9J C323 470K R304 PS_HOLD 56 VREG_MSMA 55 TCXO_EN 54 VDD_ANA 53 51 R306 TCXO_OUT 52 VDD_MSM 51 51K R307 SBST 50 VREG_MSMP 49 51K R308 SBCK TCXO_EN +VPWR TCXO_MSM +VPWR VREG_MSMP_2.7V C326 4.7u 48 VBACKUP 47 SBDT 46 XTAL_OUT 45 SLEEP_CLK 44 XTAL_IN 43 RUIM_RST(MPP6) SSBDT_PM TP308 SLEEP_CLK USIM_P_RST_N X300 4 3 1 2 MC-146_7pF 32.768KHz REV_D 12p C337 12p C338 smd_1608h_9_r 4.7u C333 smd_1608h_9_r C PS_HOLD VREG_MSMA_2.6V VREG_MSMP_2.7V D 22 LCD_DRV_N 23 KPD_DRV_N 24 KPDPWR_N 25 VIB_DRV_N 26 RUIM_IO(MPP12) 27 VSW_PA 28 VREG_PA 29 VDD_PA 30 RUIM_M_IO(MPP11) 31 VSW_MSMC 32 VREG_MSMC 33 VDD_MSMC 34 RUIM_M_CLK(MPP9) 35 VDD_MSME 36 VREG_MSME 37 VSW_MSME 38 RUIM_CLK(MPP10) 39 VREG_MMC 40 RUIM_M_RST(MPP5) 41 VDD_RUIM 42 VREG_RUIM KYBD_BACKLIGHT PM_ON_SW_N MOTOR_PWRUSIM_P_DATA +VPWR USIM_RST_N USIM_P_CLK USIM_CLK E USIM_DATA VREG_USIM_2.85V VREG_MMC_3.0V 4.7uH L301 smd_2520h1_6_r smd_2520h1_6_r REV_B L305 C339 2.2u 1608 1608 C340 2.2u C358 22u REV_E VREG_RF_SMPS 4.7uH C435 C436 C433 C434 22u 10u 0.1u 1000p 1608 1608 Power Line --> Route carefully!!!!! Draw the Artwork_line thickly !!!!! --->> USB_VBUS , FLASH_DRV_N , KPD_DRV_N , KEY_ON_SW_N , MOT_PWR- F C341 4.7u 4.7uH L300 0.1u C344 C389 4.7u 0.1u C343 C346 1u LCD LDO U302 R1114D281D-TR-F 1 VDD VOUT 3 4 6 NC CE GND1 2 5 GND2 VREG_LCD_2.8V C345 1u VREG_MSMC_1.25V VREG_MSME_1.8V Artwork --> Place resistor and capacitor close to PM6650 !! C T-FLASH R315 100K R316 100K R314 VREG_MMC_3.0V D 0 USIM R317 15K S300 SCHA1A0100 GND DAT2_RSV CD_DAT3_CS CMD_DI VDD CLK_SCLK VSS MMC_CD MMC_CMD MMC_CLK USIM_P_DATA J300 HSSC-8P-18 5 GND1 VCC 1 6 VPP RST 2 7 3 8 IO CLK 4 9 RSV2 RSV1 11 10 GND2 GND5 12 GND3 GND4 DAT0_DO DAT1_RSV MMC_DATA EVLC18S02003 VA300 GND E C351 0.1u L302 56nH R318 470K VA303 EVLC18S02003 VA304 EVLC18S02003 VA305 EVLC18S02003 VA306 EVLC18S02003 F OJ300 OJ301 OJ302 OJ303 33p C352 smd_1005h_5_r 0.1u C353 smd_1005h_5_r EVL14K02200 VA301 EVLC18S02003 VA302 VREG_USIM_2.85V USIM_P_RST_N USIM_P_CLK +VPWR CAM_LDO_EN C347 1u 9 PGND CAMERA LDO U303 1 2 VIN 3 EN1 EN2 4 NC1 RT9011-MGPQW 8 VOUT1 7 VOUT2 NC2 6 GND 5 C348 C349 1u 1u VREG_CAM_AVDD_2.8V VREG_CAM_DVDD_1.8V +VPWR CAM_LDO_EN C447 1u 3 VIN GND VOUT BGND 4 2 STBY NC 6 1 5 U501 BH15LB1WHFV REV_D C350 1u VREG_CAM_DVDD_1.5V ICHARGEOUT +VPWR VBATT BATT_FET_N LCD BACKLIGHT +VPWR WLED_PWR LCD_BL_CTRL REV_C REV_B R380 100K REV_B C355 1u U305 5 IN 8 CP AAT3157ITP-T1 10 C1+ 9 C1C2+ 7 C357 1u 11 EN_SET 4 GND C2- 6 D1 1 2 D2 3 D3 12 NC C354 1u C356 1u WLED_1 WLED_2 WLED_3 Section Designer Date MAR.07.2007 Checked Approved C CHARGER SI3493DV-E3 Q301 R313 0.1 6 54 Q300 QST4 C1 C2 3 B 1 2 D3 D4 G S D1 D2 6 54 Q302 QST4 C1 C2 3 B 1 2 Differential lines, route as equal length as possible !! --> ICHARGE , ICHARGEOUT USB_VBUS USB_CTL_N +5V_PWR CHG_CTL_N ICHARGE Sign & Name Jaykay MODEL U2K50U/K25U0250 D E Sheet/ Sheets 3/4 DRAWING NAME MEM & POWER 1 2 3 4 5 6 7 8 9 LG(42)-A-5505-10:01 LG Electronics Inc. DRAWING NO. LGMC REV_1.0 LG Electronics Inc. - 145 -