K501LX Repair Guide May/9/ 2015 John_jin GTSD BLOCK DIAGRAM www.chinafix.com POWER FLOW POWER ON SEQUENCE AC POWER ON SEQUENCE Signal Measure Point-Bottom 21 D7705 +1.5VS_PWRGD 526 31 PL8001 +VCCIN 147 PJP8001 AC_BAT_SYS 488 30 PSL8202 +1.05VSUSO 349 25 VT1263 +VCCIN_EN 296 21 R5805 +1.05VS_PWRGD 526 26.D0601 CORE_PWRGD 392 SL2502 SUSWARN# 547 D3201 EC_RST# 480 SL2511 PCH_SUSACK# 541 C3033 PM_RSMRST# 584 32 PL8502 +NVDD 22 D2501 ALL_SYSTEM_POWRG 528 33 PSL8301 +1.35VO 192 24 D2501 PM_PWROK_PCH 584 28.D2502 PM_SYSPWROK_PCH 582 11 D2505 ME_AC_PRESENT 585 23 R5801 PM_PWROK 584 12 D2505 ME_AC_PRESENT_PCH 593 10 R2529 PCH_DPWROK 571 Q3001 PS_ON 502 36 PL8801 P_CHG_LX_30 504 20D5804 1.35V_PWRGD 544 19.PQ9107 SUSB_EC# 547 29 C4630 BUF_PLT_RST 462 D5804 +3VSUS_PERGD 577 5.VT1202 PM_SLPSUS# 538 R3040 +3VA_EC 475 33330O_PSON# 641 D5802 +3VSUS_PERGD 795 34 PSL8101 +5V0 472 33330O_PSON# 641 18 PQ9111 SUSC_EC # 587 VA 490 17 SL3004 PM_SUSB# 536 35 PSL8100 +3V0 465 PSL8100 +3VAO 486 Signal Measure Point-Top 27.C3026 PM_SYSPWROK 583 R3053 +3VSUS_ON 513 SL3020 +3VSUS_ON 535 16.SL3005 PM_SUSC# 537 R3026 +3VA_DSW_PERGD 569 33330O_PSON# 641 14 R3056 PM_PWRBTN# 540 13 C3012 PWR_SW# 584 15.VT1134 PM_SLP_A# 540