Asus EMB b75a repair guide

POWER ON SEQUENCE.

CSC-GRMA

POWER FLOW

POWER ON SEQUENCE

multi meter “ V Ω mA ” port touch here

Q18 +3VSB 340

EATX_PWR1 +V3.3S 360

Pink number is Diode resistance to GND(without any part on MB)multimeter type DH-1240

PL1 +1.5VDUAL 219

C3 VTTDDR 527

PL2 VCCIO 173

PL7 VCORE 459

PR165 +1.05 PCH 31

EATX_PWR1 +V5S 351

Voltage Measure Point

EATX_PWR2 +V12S 528

PL8 GFX 484

PQ7 +1.8VSFR 330

D3 +BAT_3V -1.2 PQ1 +5VDUAL 467

R758 +V5A_DUAL 551 Q18 +V3.3A_DUAL 272

U62 +V1.2S 147

PQ6 VCCSA 1246

11.Q22 PWRGD_PS 702

18 C54 P_VRMPWRGD 553

3 +V5A_DUAL, +V3.3A_DUAL

10.1 +V12S, +V5S, +V3.3S

17.VCORE

21.GFX

5.F_PANEL PANSWH# 565

6.R761 O_IOPWRBTN# 529

10 EATX_PWR1 ATX_PSON# 586

16.PR84 P_VCORE_VCLK_4 220 16.PR85 P_VCORE_VDIO_4 220

19 S_PLTRST_PCIE# 233

4.1.R756 DPWROK 592

7.R767 SLP_SUS# 359

Signal Measure Point

PU300 +3VSB

4 R788 O_RSMRST# 38

14.HR14 S_DRAMPWROK 262

9.R629 S_SLPS3# 353

8.PR8 S_SLPS4# 352

15.HR9 S_CPUPWRGD 438

19.R120 S_PLTRST# 358

1 SR15 S_RTCRST## 755

1 SR15 S_SRTCRST## 759

12.PR50 P_VCCIO_PGOOD 521

13.D56 O_PWROK 54