July/13/ 2016 X541UV Repair Guide BLOCK DIAGRAM John_jin GTSD POWER FLOW POWER ON SEQUENCE AC Mode Power On Timing DC Mode Power On Timing Signal Measure Point-Bottom 20.SPL8004 ALL_SYS_PWRGD 568 26 PL8901 P_CHG_LX_30 529 33.PL9101 +NVDD 19 30.PL8102 +VCCCORE 29 31.PL8101 VCCGT 23 32.PL8302 +1.0VSUSO 135 24 T2505 H_CPUPWRGD_R 425 18 PD8801SUSC_EC # 608 16.SL2515 PM_SUSC#_18 602 13 D2505 ME_PRESENT_PCH 785 12 R2542 PM_RSMRST#_PCH 796 23 R2540 PM_SYSPWROK_PCH 772 34.PL9301 +FBVDDQO 172 21 D2501 IMVP8_PWRGD 564 22 D2501 PM_PWROK_PCH 802 D2501 +3VA_DSW_PWRGD 648 18 PD8602 1.2V_ON 733 27 PL8600 +1.2VO 130 29 PL8701 +3VADSWO 385 28 PL8702 +5VSUSO 448 19 SL3003 SUSB_EC# 736 Signal Measure Point-Top 1.PJP8101 AC_BAT_SYS 465 PD8301 VSUS_ON 532 14 R2514 PCH_SUSACK# 557 11 SL2512 SUSWARN 575 SL2553 DPWROK_EC 701 10 D5802 3SUS_PWRGD 472 17.D5801 PM_SUSB#_18 732 PSL8703 +5VSUS_ON 553 15 SL2518 PM_PWRBTN#_18 596 R3018 PM_SLP_SUS# PC8705 +5VAO 557 624 PSL8704 +3VAO 445 PSL8702 +3VADSW_ON 547 D3201 EC_RST# 758 D3201 +3VA_EC 478 25 Q3201 PLT_RST# 508 15 C5902 PWR_SW# 693 ... Point-Bottom 20. SPL 800 4 ALL_SYS_PWRGD 568 26 PL89 01 P_CHG_LX_ 30 529 33.PL 9 10 1 +NVDD 19 30. PL 8 10 2 +VCCCORE 29 31. PL 8 10 1 VCCGT 23 32.PL8 302 +1. 0VSUSO 13 5 24 T2 505 H_CPUPWRGD_R 425 18 PD8 801 SUSC_EC # 608 16 .SL2 515 ... 648 18 PD8 602 1. 2V_ON 733 27 PL8 600 +1. 2VO 13 0 29 PL87 01 +3VADSWO 385 28 PL8 702 +5VSUSO 448 19 SL 300 3 SUSB_EC# 736 Signal Measure Point-Top 1. PJP 8 10 1 AC_BAT_SYS 465 PD83 01 VSUS_ON 532 14 R2 514 ... 557 11 SL2 512 SUSWARN 575 SL2553 DPWROK_EC 7 01 10 D5 802 3SUS_PWRGD 472 17 .D58 01 PM_SUSB# _18 732 PSL8 703 +5VSUS_ON 553 15 SL2 518 PM_PWRBTN# _18 596 R3 01 8 PM_SLP_SUS# PC8 705 +5VAO 557 624 PSL8 704