EMB-B75A Repair Guide 11/05/2012 Leilei52_Chen CSC-GRMA POWER FLOW POWER ON SEQUENCE Voltage Measure Point Pink number is Diode resistance to GND(without any part on MB)multimeter type DH-1240 L36 +5VSBB410 multi meter “VΩmA” port touch here EATX_PWR2 +V12S 528 U62 +V1.2S 147 PL7 PL2 VCORE 459 VCCIO 173 PR165 +1.05 PCH 31 PL8 GFX 484 PQ6 VCCSA 1246 Q18 +V3.3A_DUAL 272 Q18 +3VSB 340 PQ7 +1.8VSFR 330 C3 VTTDDR 527 R758 +V5A_DUAL 551 EATX_PWR1 +V3.3S 360 EATX_PWR1 +V5S 351 PL1 +1.5VDUAL 219 PQ1 +5VDUAL 467 D3 +BAT_3V -1.2 2.AC POWER SW ON +V5A_DUAL, +V3.3A_DUAL 10.1 +V12S, +V5S, +V3.3S 17.VCORE 21.GFX 16.PR85 P_VCORE_VDIO_4 220 16.PR84 P_VCORE_VCLK_4 220 19 S_PLTRST_PCIE# 233 18 C54 P_VRMPWRGD 553 6.R761 O_IOPWRBTN# 529 4.1.R756 DPWROK 592 11.Q22 PWRGD_PS 702 7.R767 SLP_SUS# 359 5.F_PANEL PANSWH# 565 10 EATX_PWR1 ATX_PSON# 586 Signal Measure Point 8.PR8 S_SLPS4# 352 9.R629 S_SLPS3# 353 R788 O_RSMRST# 38 12.PR50 P_VCCIO_PGOOD 521 14.HR14 S_DRAMPWROK 262 13.D56 O_PWROK 54 SR15 S_RTCRST## 755 SR15 S_SRTCRST## 759 19.R120 15.HR9 S_CPUPWRGD 438 S_PLTRST# 358