X550ZE Repair Guide Sep/19/ 2014 changcai_zhou GTSD - POWER FLOW POWER ON SEQUENCE Signal Measure Point-Bottom L8201 +1.05VO 30 L8401 +1.8VO 272 18 D7001 BUF_PLT_RST# 531 L8006 +VCORE L8004 +CPU_VDDNB L8301 +1.35VO 132 L8701 VGA_LL1 18 Q8010 AC_BAT_SYS 435 L8100 +5VO 387 L8101 +3VO 390 8.D2011 PM_PWRBTN# 556 L8200 +1.1VO 170 VT787 +1.1VSUS_PWRGD 476 Signal Measure Point-Top R8802 AC_IN_OC# 480 19 R0445 CPU_RST# 383 17 SP0407 CPU_PWRGD 383 15 R4024 VRM_PWRGD 512 14 R3009 CPU_VRON 556 6.R3011 PM_RSMRST# 668 16 SR2114 PM_PWROK 489 11 R3006 PM_SUSB# 556 7.R3016 PWR_SW# 668 R3007 PM_SUSC# 556 U9104 VSUS_ON 507 12 Q5705 SUSB_EC# 551 10 Q5706 SUSC_EC# 578 13 D9204 ALL_SYSTEM_PWRGD 489 D9202 SUS_PWRGD 476 3.C3202 EC_RST 650 2.C3202 +3VA_EC 456 ... Point-Bottom L 8 20 1 +1 .05 VO 30 L8 401 +1.8VO 27 2 18 D 700 1 BUF_PLT_RST# 531 L 800 6 +VCORE L 800 4 +CPU_VDDNB L8 301 +1.35VO 1 32 L8 701 VGA_LL1 18 Q 801 0 AC_BAT_SYS 435 L8 100 +5VO 387 L8 101 +3VO 3 90 8.D 201 1 PM_PWRBTN#... 668 16 SR2114 PM_PWROK 489 11 R 300 6 PM_SUSB# 556 7.R 301 6 PWR_SW# 668 R 300 7 PM_SUSC# 556 U9 104 VSUS_ON 507 12 Q5 705 SUSB_EC# 551 10 Q5 706 SUSC_EC# 578 13 D 9 20 4 ALL_SYSTEM_PWRGD 489 D 9 20 2 SUS_PWRGD... 556 L 8 20 0 +1.1VO 1 70 VT787 +1.1VSUS_PWRGD 476 Signal Measure Point-Top R88 02 AC_IN_OC# 4 80 19 R0445 CPU_RST# 383 17 SP0 407 CPU_PWRGD 383 15 R4 02 4 VRM_PWRGD 5 12 14 R 300 9 CPU_VRON 556 6.R 301 1 PM_RSMRST#