LG KE990 Service Manual - Page 155

7. CIRCUIT DIAGRAM 1 2 3 4 5 6 7 8 9 10 11 12 A A B B MEMORY (2Gbit 70n NAND FLASH + 1Gbit SDRAM) VREG_USIM_3.0V SDRAM_DATA[0:31] SDRAM_DATA[0] U4 DQ0 C SDRAM_DATA[1] SDRAM_DATA[2] SDRAM_DATA[3] SDRAM_DATA[4] T4 T5 V5 DQ1 DQ2 U5 DQ3 SDRAM_DATA[5] SDRAM_DATA[6] T6 DQ4 V6 DQ5 DQ6 SDRAM_DATA[7] U7 DQ7 SDRAM_DATA[8] T9 DQ8 SDRAM_DATA[9] T10 DQ9 SDRAM_DATA[10] V10 DQ10 SDRAM_DATA[11] T11 DQ11 SDRAM_DATA[12] SDRAM_DATA[13] SDRAM_DATA[14] SDRAM_DATA[15] SDRAM_DATA[16] SDRAM_DATA[17] U11 V11 DQ12 T12 DQ13 U12 DQ14 P3 DQ15 R3 DQ16 DQ17 SDRAM_DATA[18] SDRAM_DATA[19] P4 R4 DQ18 DQ19 SDRAM_DATA[20] P5 DQ20 D SDRAM_DATA[21] SDRAM_DATA[22] R5 DQ21 P6 DQ22 SDRAM_DATA[23] R6 SDRAM_DATA[24] SDRAM_DATA[25] P9 DQ23 P10 DQ24 SDRAM_DATA[26] SDRAM_DATA[27] SDRAM_DATA[28] SDRAM_DATA[29] R10 DQ25 P11 DQ26 R11 DQ27 P12 DQ28 DQ29 SDRAM_DATA[30] R12 DQ30 SDRAM_DATA[31] R13 DQ31 SDRAM_DQM[0] SDRAM_DQM[1] SDRAM_DQM[2] SDRAM_DQM[3] U8 DQM0 T8 DQM1 V7 U9 DQM2 DQM3 EBI2_DATA[0:15] EBI2_DATA[0] EBI2_DATA[1] EBI2_DATA[2] M11 M13 IO1 L10 IO2 IO3 E EBI2_DATA[3] EBI2_DATA[4] L12 IO4 J9 IO5 EBI2_DATA[5] H12 IO6 EBI2_DATA[6] H10 IO7 EBI2_DATA[7] G12 IO8 EBI2_DATA[8] M12 EBI2_DATA[9] EBI2_DATA[10] EBI2_DATA[11] EBI2_DATA[12] EBI2_DATA[13] L9 IO9 L11 IO10 K9 H13 IO11 IO12 H11 IO13 IO14 EBI2_DATA[14] H9 IO15 EBI2_DATA[15] G11 IO16 A1 NC1 A2 NC2 A3 A4 NC3 A11 NC4 A12 NC5 A13 NC6 F A14 NC7 NC8 B1 NC9 B2 NC10 B3 NC11 B4 NC12 B11 NC13 B12 B13 NC14 B14 NC15 C1 NC16 C2 NC17 C5 NC18 NC19 C13 NC20 C14 NC21 NC23 NC34 NC35 NC36 NC83 NC84 NC85 NC86 NC87 NC88 NC89 NC90 NC91 NC92 NC93 NC94 NC95 NC96 NC97 NC98 NC99 NC100 NC101 NC102 NC103 NC104 NC105 NC106 NC107 NC108 NC109 NC110 NC111 NC112 NC113 NC114 NC115 NC116 NC117 NC118 NC119 NC120 NC121 NC122 NC123 N3 N4 N5 N6 N9 N10 N11 N12 N13 P7 P8 R2 R7 R9 T2 T3 T7 T13 U1 U3 U14 V1 V2 V13 V14 W1 W2 W3 W4 W11 W12 W13 W14 Y1 Y2 Y3 Y4 Y11 Y12 Y13 Y14 U402 TYA000BC00HOGG NC45 NC51 NC52 NC53 NC54 NC56 A0 C3 D3 A1 A2 E3 E2 A3 D12 A4 C12 A5 D11 A6 A7 C11 A8 D10 A9 C10 A10 E4 A11 D9 C9 A12 L6 _WP K6 _WEN _RAS D5 D6 _WED _CAS CLK E6 C8 _CS1 E5 _CS2 D7 ALE M3 M4 CLE M9 _CE M10 _RE M2 RY__BY D8 CKE C4 BA0 D4 BA1 R404 0 SDRAM_ADDR[0] SDRAM_ADDR[1] SDRAM_ADDR[2] SDRAM_ADDR[3] SDRAM_ADDR[4] SDRAM_ADDR[5] SDRAM_ADDR[6] SDRAM_ADDR[7] SDRAM_ADDR[8] SDRAM_ADDR[9] SDRAM_ADDR[10] SDRAM_ADDR[11] SDRAM_ADDR[12] SDRAM_ADDR[0:12] EBI2_WE_N SDRAM_RAS_N SDRAM_WE_N SDRAM_CAS_N SDRAM_CLK SDRAM_CS_N NAND_ALE NAND_CLE EBI2_OE_N SDRAM_CLK_EN SDRAM_ADDR[13] SDRAM_ADDR[14] R401 100K VREG_MSME_1.8V RESOUT_N VREG_MSMP_2.7V R402 100K R403 10K USIM_P_RST_N USIM_P_CLK USIM_P_DATA NAND_CS_N NAND_READY R400 15K J400 1 4 2 C1 C5 5 C2 C6 3 C3 C7 6 7 GND1 GND4 10 8 GND2 GND3 9 C400 C401 33p 33p C402 1u USIM C VREG_USIM_3.0V D400 USIM_P_DATA 6 1 5 2 USIM_P_CLK 4 3 USIM_P_RST_N PLR0504F D VCCD1 C7 VCCD2 D2 VCCD3 D13 VCCD4 V3 V8 VCCD5 V12 VCCD6 V4 VCCQD1 V9 VCCQD2 C403 0.1u C404 0.1u C405 0.1u C406 0.1u C407 0.1u C408 0.1u C409 0.1u VREG_MSMP_2.7V +VPWR +VPWR NC62 VCCN2 K12 VSS1 C6 VSS2 F7 VSS3 G2 G13 VSS4 L13 VSS5 P2 VSS6 VSS7 P13 R8 VSS8 U2 VSS9 VSS10 U6 VSS11 U10 VSS12 U13 NC63 J12 J13 NC64 K1 NC65 K2 NC66 K3 NC67 K4 NC68 K5 NC69 NC70 K10 NC71 K11 NC72 K13 NC73 K14 NC74 L1 NC75 L2 L3 NC76 L4 NC77 L5 NC78 L14 NC79 M5 NC80 NC81 M6 NC82 N2 C410 0.01u C411 0.1u C412 U401 MAX4701ETE+T E MMP_MICROSD_DATA[0] 1 NC1 COM1 16 MICROSD_DATA[0] MSM_MICROSD_CMD MICROSD_CMD MMP_MICROSD_CMD 0.01u U400 SLAS4717EPMTR2G 1 VCC 10 NO2 2 NO1 9 COM2 3 COM1 8 IN2 4 IN1 7 NC2 5 NC1 6 GND MSM_MICROSD_CLK MICROSD_CLK MMC_SELECT_N MMP_MICROSD_CLK MMC_SELECT_N MSM_MICROSD_DATA[1] MICROSD_DATA[1] MMP_MICROSD_DATA[1] MSM_MICROSD_DATA[2] MICROSD_DATA[2] 2 IN1_IN2 NO1 15 3 NO2 14 V+ 4 COM2 13 NC4 5 NC2 12 COM4 6 GND NO4 11 7 NO3 IN3_IN4 10 8 COM3 9 NC3 MSM_MICROSD_DATA[0] MMP_MICROSD_DATA[3] MICROSD_DATA[3] MSM_MICROSD_DATA[3] MMP_MICROSD_DATA[2] 17 PGND C413 0.01u F MICRO SD SELECT MSM AND MMP J10 NC61 J6 NC60 J5 NC59 J4 NC58 J3 NC57 J2 NC55 G10 NC50 G9 NC49 G8 NC48 G7 NC47 G6 NC46 G5 NC44 G4 NC43 G3 NC42 F13 NC41 F12 NC40 F10 NC39 F9 NC38 F8 NC37 F4 NC33 F3 NC32 F2 NC31 E13 NC30 E12 NC29 E10 NC28 E9 NC27 E8 NC26 E7 NC25 E1 NC24 D14 NC22 J11 H5 H6 H3 H4 H2 F11 F5 F6 E11 D1 G G H H 1 2 3 4 5 6 7 8 9 10 11 12 LGE Internal Use Only - 156 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes