Page 13 - GIGABYTE Service Manual-v3.0-110101

FIGURE 2-20: FUSEVCC CHECK POINTS ......................................................... 19
FIGURE 2-21: 5VDUAL TO 3VDUAL ................................................................... 19

FIGURE 2-22: 5VDUAL TRANSFERS TO DDR18V ........................................... 20
FIGURE 2-23: BATTERY CIRCUIT AND LEAKAGE ........................................ 21

FIGURE 2-24: CRYSTAL XTAL 32.768KHZ ........................................................ 22
FIGURE 2-25: POWER ON SIGNAL PWRBTSW# ............................................. 22

FIGURE 2-26: POWER ON SIGNAL RSMRST ................................................... 23
FIGURE 2-27: INTEL POWER ON SEQUENCE ................................................. 24

FIGURE 2-28: SIS POWER ON SEQUENCE ....................................................... 24
FIGURE 2-29: NVDIA POWER ON SEQUENCE ................................................ 25

FIGURE 2-30: REPAIR EXAMPLE ON 5VDUAL ............................................... 27
FIGURE 2-31: REPAIR EXAMPLE ON VCC12_DUAL ..................................... 28

FIGURE 3-1: VCORE FIGURE .............................................................................. 29
FIGURE 3-2: VCORE SECTION 1 ......................................................................... 30

FIGURE 3-3: VCORE SECTION 2 ......................................................................... 30
FIGURE 3-4: VCORE SECTION 3 ......................................................................... 30

FIGURE 3-5: VCORE SECTION 4 ......................................................................... 31

FIGURE 3-6: RESISTOR AND CAPACITOR CAUSED NO VCORE ............... 33

FIGURE 3-7: PWM TEMPERATURE CIRCUIT CAUSED NO VCORE ......... 33

FIGURE 3-8: PWM IMON CAUSED NO VCORE ............................................... 33

FIGURE 3-9: PWM APA, PSI# CAUSED NO VCORE ........................................ 34

FIGURE 3-10: DDR18V VOLTAGE ........................................................................ 35

FIGURE 3-11: EN SIGNAL ...................................................................................... 36

FIGURE 3-12: VTT_GMCH CIRCUIT .................................................................. 37

FIGURE 3-13: VCC1_5 CIRCUIT .......................................................................... 38

FIGURE 3-14: 2_5LEVEL ........................................................................................ 39

FIGURE 3-15: 1_5LEVEL ........................................................................................ 39

FIGURE 3-16: VCC_PLL1 ....................................................................................... 40

FIGURE 3-17: VCC1_1 ............................................................................................. 41

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