P553UJ Repair Guide Jan/11/ 2016 John_jin GTSD POWER FLOW POWER ON SEQUENCE AC POWER ON SEQUENCE Signal Measure Point-Bottom PJP8902 AC_BAT_SYS 471 41 PL8901 P_CHG_LX_30 516 39 PL9301 +1.35VSGO 161 32PL8102 VCCCORE 34 PL8103 VCCSA 15 33 PL8101 VCCGT 23.PQ8809 VCCST_PWRGD 626 30.R7724 NVDD_PWRGD 527 29.Q7702 DGPU_PWR_EN# 590 40 PL9101 +NVVDD 11 31.D7705 DGPU_PWROK 525 25.D2501 IMVP8_PWRGD 573 PC8702 +3VAO 461 7.D2501 +3VA_DSW_PWRGD 505 26.R2539 PM_PWROK 750 10 PD8301 +VSUS_ON 522 6.PSL8702 +3VADSW_ON 571 6.PSL8703 +5VSUS_ON 582 19.SL2515 PM_SUSC# 532 PC8705 +5VAO 511 35 PL8601 +1.2VO 224 38 PL8302 +1.0VSUS 244 21.PD8602 +1.2V_ON 745 20.R3003 PM_SUSB# 535 22.SL3003 SUSB_EC# 600 36.PL8701 +3VADSWO 385 24.C3023 ALL_SYSTEM_PWRGD 550 R3020 PM_SLP_SUS# 543 18.R3019 PM_PWRBTN# 532 37 PL8702 +5VSUSO 472 Signal Measure Point-Top 17.SW5601 PWR_SW# 690 27.R2538 PM_SYSPWROK 724 16.R2526 SUSWARN# 577 8.R2553 DPWROK_EC 605 28.SL3304 BUF_PLT_RST# 495 15.R2513 PCH_SUSACK# 520 5.D2505 ME_AC_PRESENT 726 14.R2542 PM_RSMRST# 601 14.R2542 PM_RSMRST#_PCH 793 21 PD8801 SUSC_EC# 538 3.PR8820 PS_ON 514 23.D5801 +1.2V_PWRGD 627 4.D3204 EC_RST# 759 12.D5804 +1.0VSUS_PWRGD 556 24.R5804 VCCIO_PWRGD 550 11.PR8802_P_3VSUS_PWRGD 563 13.D5804 +3VSUS_PWRGD 563 11.D5803 +1.8VSUS_PWRGD 672 ... 6.PSL8 703 +5VSUS_ON 5 82 19.SL2515 PM_SUSC# 5 32 PC8 705 +5VAO 511 35 PL8 601 +1.2VO 22 4 38 PL83 02 +1.0VSUS 24 4 21 .PD86 02 +1.2V_ON 745 20 .R 300 3 PM_SUSB# 535 22 .SL 300 3 SUSB_EC# 600 36.PL8 701 +3VADSWO... DGPU_PWR_EN# 5 90 40 PL9 101 +NVVDD 11 31.D7 705 DGPU_PWROK 525 25 .D2 501 IMVP8_PWRGD 573 PC87 02 +3VAO 461 7.D2 501 +3VA_DSW_PWRGD 505 26 .R2539 PM_PWROK 7 50 10 PD8 301 +VSUS_ON 522 6.PSL87 02 +3VADSW_ON... Point-Bottom PJP89 02 AC_BAT_SYS 471 41 PL8 901 P_CHG_LX_ 30 516 39 PL9 301 +1.35VSGO 161 32PL81 02 VCCCORE 34 PL8 103 VCCSA 15 33 PL8 101 VCCGT 23 .PQ8 809 VCCST_PWRGD 626 30. R7 724 NVDD_PWRGD 527 29 .Q77 02 DGPU_PWR_EN#