X751LN Repair Guide Aug/12/ 2014 Changcai_zhou GTSD BLOCK DIAGRAM POWER FLOW POWER ON SEQUENCE Signal Measure Point-Bottom PL88801 P_CHG_LX_30 515 20-1,PL8003 VCORE_CPU 37 PL8502 +NVDD 22 21.D0601 CORE_PWRGD 650 PR9103 +12VS 24.R0815 H_CPUPWRGD 455 20.D2501 ALL_SYS_PWRGD 532 22.D2502 PM_PWROK 665 10 R2510 PCH_SUSACK# 582 PSL8101 +5V0 510 Q5766 +3VSUS_ON 570 23.SL2540 PM_SYSPWROK 664 12.SL2521 PM_PWRBTN# 594 D2505 ME_AC_PRESENT 766 PSL8401 +1.5V0 351 PSL8100 +3VADSW0 487 PL8200 +1.05VSUSO 378 16.PQ5705 SUSC_EC # 668 5.Q5708 +5VSUS_ON 677 VA 490 D5801 +5VSUS_PWRGD 751 D5802 +3VSUS_PERGD 683 PSL8301 +1.35V 138 R3035 PCH_SLPSUS# 389 14.RN3006 PM_SUSC# 378 15 RN3006 PM_SUSB# 378 PSL8100 +5VA 550 33330O_PSON# 641 R3067 +3VA_EC 498 17.PQ9109 SUSB_EC# 458 Q3002 ME_SUSPWRDNACK_EC 368 Q3203 EC_RST 691 16 PD8300 +1.35V_ON 686 R5801 PM_PWROK 662 25.Q3204 PLT_RST# 554 Signal Measure Point-Top Q3303 PM_RSMRST# 571 13.SL2511 SLP_A# 380 11 D6107 PWR_SW#_R 667 13.R2527 SLP_LAN# 382 PSL8503 +3VA 494