LG KU250 Service Manual - Page 145

7. CIRCUIT DIAGRAM 1 2 3 4 5 6 7 CN400 A 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 B 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 C 4 3 2 1 LCD CONNECTOR LCD_RESET_N LCD_IF_MODE_0 LCD_IF_MODE_1 LCD_VSYNC ICVE21184E150R500FR INOUT_A1 INOUT_B1 1 9 INOUT_A2 INOUT_B2 2 8 INOUT_A3 INOUT_B3 3 7 INOUT_A4 INOUT_B4 4 6 5 G1 10 G2 FL401 LCD_CS_N LCD_ADS EBI2_WE_N EBI2_OE_N ICVE21184E150R500FR 9 1 INOUT_B1 INOUT_A1 8 2 INOUT_B2 INOUT_A2 7 3 INOUT_B3 INOUT_A3 6 4 INOUT_B4 INOUT_A4 G2 10 G1 5 FL400 ICVE21184E150R500FR 9 1 INOUT_B1 INOUT_A1 8 2 INOUT_B2 INOUT_A2 7 3 INOUT_B3 INOUT_A3 6 4 INOUT_B4 INOUT_A4 G2 10 G1 5 FL402 ICVE21184E150R500FR INOUT_A1 INOUT_B1 1 9 INOUT_A2 INOUT_B2 2 8 INOUT_A3 INOUT_B3 3 7 INOUT_A4 INOUT_B4 4 6 FL403 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) EBI2_DATA(10) EBI2_DATA(11) 5 G1 10 G2 ICVE21184E150R500FR INOUT_A1 INOUT_B1 1 9 INOUT_A2 INOUT_B2 2 8 INOUT_A3 INOUT_B3 3 7 INOUT_A4 INOUT_B4 4 6 5 G1 10 G2 FL405 EBI2_DATA(12) EBI2_DATA(13) EBI2_DATA(14) EBI2_DATA(15) LCD_MAKER_ID VREG_LCD_2.8V WLED_1 WLED_2 WLED_3 WLED_PWR EVL14K02200 VA410 EVL14K02200 VA409 D 8 9 TP400 TP401 L400 56nH D400 RB521S-30 +VPWR MOTOR_PWR- C409 0.1u PLW0501H-LF D402 INSTPAR CAMERA E MEGA CAMERA CONNECTOR PGND8 25 PGND7 26 PGND6 27 PGND5 28 29 PGND3 PGND4 PGND2 30 PGND1 31 32 CAM_DATA_OUT(0) CAM_DATA_OUT(1) CAM_DATA_OUT(2) CAM_DATA_OUT(3) CAM_DATA_OUT(4) CAM_DATA_OUT(5) CAM_DATA_OUT(6) F CAM_DATA_OUT(7) 22 23 D0 24 D1 1 D2 2 D3 D4 3 D5 4 D6 5 D7 CN403 20 PCLK 19 VSYNC 18 HSYNC 12 STANDBY SCK 11 SDA 10 RESETB 9 MCLK 7 REV_1.0 R436 0 R437 20 CAM_PCLK CAM_VSYNC_OUT CAM_HSYNC_OUT MEGA_CAM_PWR_DOWN I2C_SCL I2C_SDA MEGA_CAM_RESET_N CAM_MCLK AUDIO SELECT_SPK&RCV +VPWR C410 0.01u SPKSPK_RCV- RCV- R422 10 U401 NLAS5223BMNR2G 1 VCC 10 NO2 2 NO1 9 COM2 3 COM1 8 IN2 4 IN1 7 10 NC2 5 NC1 6 GND R421 SPK+ SPK_RCV+ RCV_EN_N RCV+ EVL14K02200 VA414 EVL14K02200 VA412 16 AVDD 14 VDDIO 13 DVDD 17 AGND2 DGND3 AGND1 21 DGND2 15 DGND1 6 8 VREG_CAM_AVDD_2.8V VREG_CAM_DVDD_1.8V REV_B 10p C415 NA C448 10p C413 NA C449 0.1u C414 0.1uF C411 1u C412 CAM_DATA(0) CAM_DATA(1) CAM_DATA(2) ICVE21184E150R500FR 1 INOUT_A1 2 INOUT_A2 3 INOUT_A3 4 INOUT_A4 9 INOUT_B1 8 INOUT_B2 7 INOUT_B3 6 INOUT_B4 CAM_DATA_OUT(0) CAM_DATA_OUT(1) CAM_DATA_OUT(2) CAM_DATA(3) CAM_DATA(4) CAM_DATA(5) REV_1.0 COMMON_CAM_MCLK ICVE21184E150R500FR 1 INOUT_A1 2 INOUT_A2 3 INOUT_A3 4 INOUT_A4 9 INOUT_B1 8 INOUT_B2 7 INOUT_B3 6 INOUT_B4 CAM_DATA_OUT(3) CAM_DATA_OUT(4) CAM_DATA_OUT(5) MIC REV_B : SUMY0010301 --> SUMY0003802 MIC400 OB4-15L42-C33L 1 2 R424 2.2K C416 10u C417 47p MICBIAS C418 0.1u C419 0.1u MIC1P MIC1N C420 39p C421 39p R425 2.2K INSTPAR INSTPAR 5 G1 10 G2 5 G1 10 G2 PSD05-LF D403 PSD05-LF D404 FL406 D FL407 ICVE21184E150R500FR CAM_DATA(6) CAM_DATA(7) CAM_VSYNC CAM_HSYNC 1 9 INOUT_A1 INOUT_B1 2 8 INOUT_A2 INOUT_B2 3 7 INOUT_A3 INOUT_B3 4 6 INOUT_A4 INOUT_B4 CAM_DATA_OUT(6) CAM_DATA_OUT(7) CAM_VSYNC_OUT CAM_HSYNC_OUT 5 G1 10 G2 FL408 VT_CAMERA_CONNECTOR E VREG_CAM_AVDD_2.8V VGA_CAM_RESET_N I2C_SCL I2C_SDA GND8 GND7 P20 20 P19 19 P18 18 P17 17 P16 16 NA C424 VREG_CAM_DVDD_1.5V COMMON_CAM_MCLK REV_1.0 CAM_PCLK CAM_DATA_OUT(0) 1 2 P1 3 P2 P3 4 P4 5 P5 GND1 GND2 CN404 GND6 GND5 P15 15 P14 14 P13 13 P12 12 P11 11 CAM_HSYNC_OUT CAM_VSYNC_OUT CAM_DATA_OUT(7) CAM_DATA_OUT(6) VA430 EVL14K02200 GND3 GND4 10 P10 9 P9 P7 P8 7 P6 8 6 F CAM_DATA_OUT(1) CAM_DATA_OUT(2) CAM_DATA_OUT(3) CAM_DATA_OUT(4) CAM_DATA_OUT(5) REV_B : EDTY0008606 --> EDTY0008601 Audio AMP C4265600p C4275600p LINE_N LINE_P SPK_AMP_EN R427 1K R429 1K C422 C423 REV_C : 20K --> 3K 0.1u R428 5.6K 0.1u R430 5.6K R426 20K R431 20K NCP2890DMR2 1 _SD 8 OUTB 2 BYPASSU402 VM 7 VP 6 3 INP 4 INM OUTA 5 C431 NA C425 10u C428 1u SPK_RCVSPK_RCV+ L401 100nH L402 100nH REV_E : For Antenna Radiation RCVN RCVP 1000p C429 1000p C430 SPK- +VPWR SPK+ 1 2 3 4 5 6 7 8 9 LG(42)-A-5505-10:01 10 11 12 13 14 15 16 VREG_MSMP_2.7V R401 2.2K R400 MICBIAS I/O CONNECTOR C400 0.1u R402 5.1K 1M HOOK_KEY 5 4 VIN- 1 VCC OUT GND 3 VIN+ 2 U400 NCS2200SQ2T2G VBAT_SENSE R408 470K R405 100K 10K R404 MIC2N MIC2P HPH_L HPH_R USB_D+ USB_DEAR_SENSE_N VBATT REMOTE_PWR_ON +5V_PWR VREG_MSMP_2.7V R403 51K 47n C403 R409 680K EVL14K02200 EVLC18S02003 EVLC18S02003 EVL14K02200 VBAT_TEMP REV_B : Change Pin Description USB_VBUS UART_TXD UART_RXD CN402 1 VBAT 2 3 4 VREG_MSMP_2.7V R410 80.6K EVL14K02200 EVL14K02200 C402 C401 33u 33u R406 100ohm R407 100ohm FL404 REV_B 2 OUT IN 1 4 G2 G1 3 NTS104B SD12T1G 1u EVL14K02200 EVL14K02200 EVL14K02200 A CN401 HSEJ-18S04-25R 21 19 1 2 3 4 5 6 7 8 9 B 10 11 12 13 14 15 16 17 18 20 22 C C407 47p C408 47p C432 470p C1005X7R1H471KT C405 0.01u C404 0.1uF VA408 VA407 VA490 C406 D401 VA404 VA405 VA403 VA400 VA401 VA402 VBAT_GND REV_1.0 KEY_BACK_LIGHT LED(8EA) D +VPWR LD400 LEBB-S14H LD403 LEBB-S14H LD406 LEBB-S14H REV_B : EDLH0013501 --> EDLH0006001 R411 100ohm R414 100ohm R417 100ohm LD404 LD407 LEBB-S14H R415 LEBB-S14H 100ohm R418 100ohm LD402 LEBB-S14H LD405 LEBB-S14H R413 100ohm LD408 LEBB-S14H R416 100ohm R419 100ohm KYBD_BACKLIGHT E VREG_MSMP_2.7V KEY_ROW(0) KEY_ROW(1) KEY_ROW(2) KEY_ROW(3) KEY_ROW(4) KEY_COL(0) KEY_COL(1) KEY_COL(2) KEY_COL(3) KEY_COL(4) R423 100K RA400 1 2 3 4 5 6 7 8 100K KEY MAP PM_ON_SW_N CLR MENU 400 401 402 LEFT UP 1 2 3 403 404 405 OK RIGHT 4 5 6 406 407 408 SND SEARCH 7 8 9 HOT400 409 HOT401 DN HOT4 0 HOT3 BACK END END F C D KEYS Section Designer Date MAR.07.2007 Checked Approved Sign & Name Jaykay LG Electronics Inc. MODEL U2K50U/2K5U0250 E Sheet/ Sheets 4/4 DRAWING NAME KEY / MMI LCD/CAMERA DRAWING NO. LGMC REV_1.2 LG Electronics Inc. - 146 -