Service Manuals, User Guides, Schematic Diagrams or docs for : LG Mobile Phone LG U8290 LG U8290

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LG U8290


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                                                                                                                                                                                                           EBI2_DATA(0:15)
                                                                                                                                                                                                                                                                                                                                                                                                                                                            SDRAM_DATA(0:31)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    27p C141
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   27p C142




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     48MHz
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               FA-238
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               4                         3
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               1                         2




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              X100
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        < USB 48M CLK >




                                                                                                                                                                                                           EBI2_WE_N
                                                                                                                                                                                                           EBI2_OE_N




                                                                                                                 LCD_ADS
                                                                                                                                                                                                            NAND_READY
                                                                                                                                                                                                               NAND_ALE
                                                                                                                                                                                                              NAND_CS_N
                                                                                                                                                                                                               NAND_CLE
                                                                                                                                                                                                                                                           MAIN_LCD_CS_N
                                                                                                                                                                                                                                                            SUB_LCD_CS_N




                                                                                                                            EBI2_DATA(0)
                                                                                                                            EBI2_DATA(1)
                                                                                                                            EBI2_DATA(2)
                                                                                                                            EBI2_DATA(3)
                                                                                                                            EBI2_DATA(4)
                                                                                                                            EBI2_DATA(5)
                                                                                                                            EBI2_DATA(6)
                                                                                                                            EBI2_DATA(7)
                                                                                                                            EBI2_DATA(8)
                                                                                                                            EBI2_DATA(9)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(0)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(1)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(2)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(3)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(4)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(5)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(6)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(7)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(8)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(9)




                                                                                                                            EBI2_DATA(10)
                                                                                                                            EBI2_DATA(11)
                                                                                                                            EBI2_DATA(12)
                                                                                                                            EBI2_DATA(13)
                                                                                                                            EBI2_DATA(14)
                                                                                                                            EBI2_DATA(15)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(10)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(11)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(12)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(13)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(14)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(15)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(16)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(17)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(18)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(19)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(20)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(21)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(22)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(23)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(24)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(25)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(26)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(27)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(28)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(29)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(30)
                                                                                                                                                                                                                                                                                           SDRAM_DATA(31)




                                             W10
                                             AE9
                                            AA10
                                             AF9
                                            AC10
                                             W11
                                            AA11
                                            AC11
                                             W12
                                            AE11
                                            AF11
                                            AA12
                                            AC12
                                             T13
                                             W13
                                            AA13
                                            AE13
                                            AF13
                                            AC13
                                            AA15
                                                                                                                            AB4
                                                                                                                            AD1
                                                                                                                            AF3
                                                                                                                            AA7
                                                                                                                            AE5
                                                                                                                            AC6
                                                                                                                            AF5
                                                                                                                            AC7
                                                                                                                            AA8
                                                                                                                             W9
                                                                                                                            AA9
                                                                                                                            AE7
                                                                                                                            AC8
                                                                                                                            AE8
                                                                                                                            AF8
                                                                                                                            AC9
                                                                                                                                                                                                                     AE16
                                                                                                                                                                                                                      AC5
                                                                                                                                                                                                                      AF4
                                                                                                                                                                                                                      AF7
                                                                                                                                                                                                                      W14
                                                                                                                                                                                                                      AE4
                                                                                                                                                                                                                                                           AF14
                                                                                                                                                                                                                                                           AA14
                                                                                                                                                                                                                                                                                           F4
                                                                                                                                                                                                                                                                                           E1
                                                                                                                                                                                                                                                                                           G4
                                                                                                                                                                                                                                                                                           H6
                                                                                                                                                                                                                                                                                           J8
                                                                                                                                                                                                                                                                                           J6
                                                                                                                                                                                                                                                                                           G2
                                                                                                                                                                                                                                                                                           H4
                                                                                                                                                                                                                                                                                           H1
                                                                                                                                                                                                                                                                                           J4
                                                                                                                                                                                                                                                                                           J2
                                                                                                                                                                                                                                                                                           K6
                                                                                                                                                                                                                                                                                           J1
                                                                                                                                                                                                                                                                                           K4
                                                                                                                                                                                                                                                                                           L8
                                                                                                                                                                                                                                                                                           L6
                                                                                                                                                                                                                                                                                           U6
                                                                                                                                                                                                                                                                                           V4
                                                                                                                                                                                                                                                                                           W1
                                                                                                                                                                                                                                                                                           W2
                                                                                                                                                                                                                                                                                           Y1
                                                                                                                                                                                                                                                                                           Y2
                                                                                                                                                                                                                                                                                           V6
                                                                                                                                                                                                                                                                                           W4
                                                                                                                                                                                                                                                                                           R4
                                                                                                                                                                                                                                                                                           R6
                                                                                                                                                                                                                                                                                           T1
                                                                                                                                                                                                                                                                                           T2
                                                                                                                                                                                                                                                                                           R8
                                                                                                                                                                                                                                                                                           T4
                                                                                                                                                                                                                                                                                           T6
                                                                                                                                                                                                                                                                                           T8
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         SDRAM_ADDR(0:14)




                                                                                                                                                                                                             WE2_N




                                           EBI2_ADD[1]
                                           EBI2_ADD[2]
                                           EBI2_ADD[3]
                                           EBI2_ADD[4]
                                           EBI2_ADD[5]
                                           EBI2_ADD[6]
                                           EBI2_ADD[7]
                                           EBI2_ADD[8]
                                           EBI2_ADD[9]
                                           EBI2_ADD[10]
                                           EBI2_ADD[11]
                                           EBI2_ADD[12]
                                           EBI2_ADD[13]
                                           EBI2_ADD[14]
                                           EBI2_ADD[15]
                                           EBI2_ADD[16]
                                           EBI2_ADD[17]
                                           EBI2_ADD[18]
                                           EBI2_ADD[19]
                                                                                                                                                                                                                                                                                           SDRAM1_D[0]
                                                                                                                                                                                                                                                                                           SDRAM1_D[1]
                                                                                                                                                                                                                                                                                           SDRAM1_D[2]
                                                                                                                                                                                                                                                                                           SDRAM1_D[3]
                                                                                                                                                                                                                                                                                           SDRAM1_D[4]
                                                                                                                                                                                                                                                                                           SDRAM1_D[5]
                                                                                                                                                                                                                                                                                           SDRAM1_D[6]
                                                                                                                                                                                                                                                                                           SDRAM1_D[7]
                                                                                                                                                                                                                                                                                           SDRAM1_D[8]
                                                                                                                                                                                                                                                                                           SDRAM1_D[9]




                                                                                                                            EBI2_DATA[0]
                                                                                                                            EBI2_DATA[1]
                                                                                                                            EBI2_DATA[2]
                                                                                                                            EBI2_DATA[3]
                                                                                                                            EBI2_DATA[4]
                                                                                                                            EBI2_DATA[5]
                                                                                                                            EBI2_DATA[6]
                                                                                                                            EBI2_DATA[7]
                                                                                                                            EBI2_DATA[8]
                                                                                                                            EBI2_DATA[9]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     V1 SDRAM_ADDR(0)




                                                                                                                                                                                                                                                                                           SDRAM1_D[10]
                                                                                                                                                                                                                                                                                           SDRAM1_D[11]
                                                                                                                                                                                                                                                                                           SDRAM1_D[12]
                                                                                                                                                                                                                                                                                           SDRAM1_D[13]
                                                                                                                                                                                                                                                                                           SDRAM1_D[14]
                                                                                                                                                                                                                                                                                           SDRAM1_D[15]
                                                                                                                                                                                                                                                                                           SDRAM1_D[16]
                                                                                                                                                                                                                                                                                           SDRAM1_D[17]
                                                                                                                                                                                                                                                                                           SDRAM1_D[18]
                                                                                                                                                                                                                                                                                           SDRAM1_D[19]
                                                                                                                                                                                                                                                                                           SDRAM1_D[20]
                                                                                                                                                                                                                                                                                           SDRAM1_D[21]
                                                                                                                                                                                                                                                                                           SDRAM1_D[22]
                                                                                                                                                                                                                                                                                           SDRAM1_D[23]
                                                                                                                                                                                                                                                                                           SDRAM1_D[24]
                                                                                                                                                                                                                                                                                           SDRAM1_D[25]
                                                                                                                                                                                                                                                                                           SDRAM1_D[26]
                                                                                                                                                                                                                                                                                           SDRAM1_D[27]
                                                                                                                                                                                                                                                                                           SDRAM1_D[28]
                                                                                                                                                                                                                                                                                           SDRAM1_D[29]
                                                                                                                                                                                                                                                                                           SDRAM1_D[30]
                                                                                                                                                                                                                                                                                           SDRAM1_D[31]




                                                                                                                            EBI2_DATA[10]
                                                                                                                            EBI2_DATA[11]
                                                                                                                            EBI2_DATA[12]
                                                                                                                            EBI2_DATA[13]
                                                                                                                            EBI2_DATA[14]
                                                                                                                            EBI2_DATA[15]
                                                                                                                                                                                                                                                                                                                                                                                                                                     GPIO[79]_SDRAM1_A[0]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             USB_XTAL_IN




                                                                                                                                                                                                                                                                XMEM2_CS_N[1]
                                 R21                                                                                                                                                                                                                                                                                                                                                                                                                                 L1 SDRAM_ADDR(1)
        KEY_ROW(4)                     KEYSENSE_N[4]_GPIO[48]                                                                                                                                                                                                                                                                                                                                                                               SDRAM_ADD[1]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             USB_XTAL_OUT
                                 R23                                                                                                                                                                                                                                                                                                                                                                                                                                 L4 SDRAM_ADDR(2)




                                                                                                                                                                                                             NAND2_CLE_UB2_N
        KEY_ROW(3)                     KEYSENSE_N[3]_GPIO[47]                                                                                                                                                                                                                                                                                                                                                                               SDRAM_ADD[2]




                                                                                                                                                                                                             OE2_N_NAND2_RE_N
                                                                                                                                                                                                                                                                LCD2_CS_N_GPIO[38]
                                 P16                                                                                                                                                                                                                                                                                                                                                                                                                                 M8 SDRAM_ADDR(3)




                                           EBI2_ADD[20]_GPIO[34]
        KEY_ROW(2)                     KEYSENSE_N[2]_GPIO[46]                                                                                                                                                                                                                                                                                                                                                                               SDRAM_ADD[3]
                                 P19                                                                                                                                                                                                                                                                                                                                                                                                                                 M4 SDRAM_ADDR(4)




                                                                                                                                                                                                             LB2_N_NAND2_ALE_A2[0]
        KEY_ROW(1)                     KEYSENSE_N[1]_GPIO[63]                                                                                                                                                                                                                                                                                                                                                                               SDRAM_ADD[4]
                                 P21                                                                                                                                                                                                                                                                                                                                                                                                                                 N11SDRAM_ADDR(5)
        KEY_ROW(0)                     KEYSENSE_N[0]_GPIO[62]                                                                                                                                                                                                                                                                                                                                                                               SDRAM_ADD[5]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     N8 SDRAM_ADDR(6)




                                                                                                                                                                                                             NAND2_CS_N_XMEM2_CS_N[0]
                                                                                                                                                                                                                                                                                                                                                                                                                                            SDRAM_ADD[6]




                                                                                                                                                                                                             NAND2_FLASH_READY_GPIO[33]
                                  A4                                                                                                                                                                                                                                                                                                                                                                                                                                 N6 SDRAM_ADDR(7)
        KEY_COL(5)                     KEYPAD_MEMO_GPIO[45]                                                                                                                                                                                                                                                                                                                                                                                 SDRAM_ADD[7]
                                 H11                                                                                                                                                                                                                                                                                                                                                                                                                                 N2 SDRAM_ADDR(8)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         8. CIRCUIT DIAGRAM




        KEY_COL(0)                     KEYPAD_17_GPIO[53]                                                                                                                                                                                                                                                                                                                                                                                   SDRAM_ADD[8]
                                 D10                                                                                                                                                                                                                                                                                                                                                                                                                                 N1 SDRAM_ADDR(9)
        KEY_COL(1)                     KEYPAD_15_GPIO[52]                                                                                                                                                                                                                                                                                                                                                                                   SDRAM_ADD[9]
                                  A7                                                                                                                                                                                                                                                                                                                                                                                                                                 P1SDRAM_ADDR(10)
        KEY_COL(2)                     KEYPAD_13_GPIO[51]                                                                                                                                                                                                                                                                                                                                                                                  SDRAM_ADD[10]
                                  B7                                                                                                                                                                                                                                                                                                                                                                                                                                 P2SDRAM_ADDR(11)
        KEY_COL(3)                     KEYPAD_11_GPIO[50]                                                                                                                                                                                                                                                                                                                                                                                  SDRAM_ADD[11]
                                  F9                                                                                                                                                                                                                                                                                                                                                                                                                                 P6SDRAM_ADDR(12)
        KEY_COL(4)                     KEYPAD_9_GPIO[49]                                                                                                                                                                                                                                                                                                                                                                                   SDRAM_ADD[12]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     P8SDRAM_ADDR(13)
                                                                                                                                                                                                                                                                                                                                                                                                                                           SDRAM_ADD[13]
                                M21                                                                                                                                                                                                                                                                                                                                                                                                                                    SDRAM_ADDR(14)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     P11
       UART_RFR_N                      UART1_RFR_N_GPIO[98]                                                                                                                                                                                                                                                                                                                                                                                SDRAM_ADD[14]
                                N16
       UART_CTS_N                      UART1_CTS_N_GPIO[97]
                                M23                                                                                                                                                                                                                                                                                                                                                                                                                                  AC1
         UART_RXM                      UART1_DP_RX_DATA_GPIO[96]                                                                                                                                                                                                                                                                                                                                                   ROM1_CLK_SDRAM1_CLK                                                                                                      SDRAM_CLK
                                L26         



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