3 级维修 8-3-12.液晶显示屏 开关按下后，液晶显示屏仍然处于关闭状态 是 检查 HDC600 的连接 是 检查 VREG_1P8_LCD?(C602) 是 检查电压 ELVDD_4.6V (C611、L604) ELVSS_-4.9V (C616、L603 是 检查 LCD EMI 过滤器 （F600、F601、F602） 是 更换液晶显示屏 是 结束 否 否 否 否 重新连接 HDC600 重焊或更换 U609 重焊 L603、L604 或更换 U602 重焊或更换 F600、F601、F602 保密和所有权-本维修手册内容的变更恕不另行通知。 未经三星书面授权而发布，传送，或违背本文件中的任何内容或数据是严格禁止的。 8-34 

Level 3 Repair ELVSS_-4.9V VREG_1P8_LCD ELVDD_4.6V R602 AVDD_7.6V VREG_L17_2P85 VREG_1P8_TSP VDD_TSP_A3.3V HDC600 11 33 55 7 7 99 11 11 13 13 15 15 17 17 19 19 21 21 23 23 25 25 27 27 29 29 31 31 33 33 NC NC 35 36 2 2 44 6 6 88 10 10 12 12 14 14 16 16 18 18 20 20 22 22 24 24 26 26 28 28 30 30 32 32 34 34 NCNC 37 38 ERR_FG VDDP_EN TP_VPP VGH TSP_INT TSP_I2C_SCL TSP_I2C_SDA 1 0 6 C 2 0 6 C 3 0 6 C M_1ENAL_0ISD_IPIM MIPI_DSI0_LANE1_P 2 I|O 1 I|O F600 D N G D N G 5 6 4 3 I|O I|O F_M_1ENAL_0ISD_IPIM MIPI_DSI0_LANE1_P_F MIPI_DSI0_LANE0_M MIPI_DSI0_LANE0_P MIPI_DSI0_CLK_M MIPI_DSI0_CLK_P 2 I|O 1 I|O F601 D N G D N G 5 6 2 I|O 1 I|O F602 D N G D N G 5 6 I|O 4 3 I|O MIPI_DSI0_LANE0_M_F MIPI_DSI0_LANE0_P_F 4 3 I|O I|O MIPI_DSI0_CLK_M_F MIPI_DSI0_CLK_P_F 8 VREG_1P8_TSP EL_ON MIPI_DSI0_RESET_N MIPI_DSI0_LANE0_M_F MIPI_DSI0_LANE0_P_F MIPI_DSI0_CLK_M_F MIPI_DSI0_CLK_P_F MIPI_DSI0_LANE1_M_F MIPI_DSI0_LANE1_P_F VDD_TSP_A3.3V 1T 2 D C613 AVDD_7.6V 5 0 6 L C651 VPH_PWR VPH_PWR ELVSS_-4.9V 9 6 6 C 5 7 6 C ELVDD_4.6V 4 1 6 C C615 4 0 6 L 1 0 6 L C611 VPH_PWR 2 0 6 L 7 1 6 1 5 1 4 1 3 1 D N G I N V A 3 X L 3 O V 2 D N G P U602 LX1 PGND1 VO1 FBS 3 O V _ N E D N G A D F T C 5 6 7 8 1 2 3 4 3 0 6 L C617 8 6 6 C 12 11 10 9 PVIN LX2 VO2 CTRL L600 EL_ON VDDP_EN C616 VPH_PWR VREG_1P8_LCD LCD_IO_EN 4 3 VIN EN U609 1 2 VOUT GND D N G 5 C653 C654 Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited. 8-35 

Level 3 Repair Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited. 8-36