Asus p8b75 m repair guide

POWER ON SEQUENCE.

P8B75-M Repair Guide 03/01/2012 Leilei52_Chen

CSC-GRMA

POWER FLOW

POWER ON SEQUENCE

multi meter “ V Ω mA ” port touch here

Voltage Measure Point

Signal Measure Point

PU300 +3VSB

1.SR15 S_ RTCRST# 791

6.OR71 O_IOPWRBTN# 632

4.OR44 RSMRST# 15

14.HR13 S_DRAMPWROK 325

15.HC1 H_CPUPWRGD 516

18.PQ39 VRMPWRGD 660

19.PCI1A15 S_PCIRST# 639

2.AC POWER SW ON

3.5VSB,3VSB

10.1 12V,5V,3V

17.VCORE

21.GFX

5.F_PANEL PWRBTN#_PANEL 968

9 OR35 S_SLP_S3#_R 421

10.EATXPWR PSON# 705

13.OR66 O_PWROK# 49

8.OR34 S_SLP_S4#_R 421

20 XC1 O_X16_RST# 730

11.ORN4 O_ATXPG 696

1.SR15 S_ SRTCRST# 791

7.1PQ815 S_SLP_A# 412

7.2PQ813 S_MEPWROK 761

4.1OR22 O_DPWROK# 18

12.PR131 P_VCCIO_PGOOD_10# ∞

16 PR24 P_VCORE_VDIO_4 245

16 PR28 P_VCORE_VCLK_4 245

19.FR2 S_PLTRST# 271

20 X4C1 O_PCIEX4_RST# 701