MB L3 Training Materials ACTRE (ASUS Certificate Training of Repair Engineer)

MB L3 Training Materials ACTRE (ASUS Certificate Training of Repair Engineer) mb l3 training materials.pdf Chapter 1. MB Frame Structure……….……P5~P14 „ Chapter 2. Voltage..............................P15~P39 „ Chapter 3. Clock…..……………………….....P40~P51 „ Chapter 4. Power On Sequence.……..….P52~P60 „ Chapter 5. PS/2………………………………..P61~P74 „ Chapter 6. USB…………………………………P75~P87 „ Chapter 7. Com Port……………………….P88~P100 „ Chapter 8. Print Port……………………..P101~P121 „ Chapter 9. FDD………………………….....P122~P131 „ Chapter 10. IDE……………….…………...P132~P142 Chapter 11. SATA…..….....................P143~P153 „ Chapter 12. RAID………………………….P154~P173 „ Chapter 13. AGP ………..………………..P174~P193 „ Chapter 14. Onboard VGA……………..P194~P202 „ Chapter 15. Audio…………………………P203~P219 „ Chapter 16. Game Port………………….P220~P231 „ Chapter 17. PCI…………………………….P232~P254 „ Chapter 18. PCI-E………………………….P255~P273 „ Chapter 19. LAN…………………………...P274~P298 „ Chapter 20. 1394………………………....P299~P322 Chapter 21. Memory…..….................P323~P364 „ Chapter 22. Battery Circuit……………..P365~P373 „ Chapter 23. Hardware Monitor ……….P374~P391 „ Chapter 24. BIOS…………………………..P392~P405 „ Chapter 25. SMBUS……………………….P406~P424 „ Chapter 26. POST Code………………….P425~P464 voltage Distribution –Intel 915 (925) series „ Voltage Distribution –Intel P4 (Old models) „ Voltage Distribution Detail Sample-P4S800D „ Linear & Switch Regulator „ Vcore Multi-Phase Architecture „ Vcore Multi-Phase Controller Sample ADP3180 „ Vcore Problem Debug Procedure Vcore Problem Debug Procedure (1) Problem Debug Procedure (1) If no Output Check if both 5V and 12V are OK Check POWER MOSFET (both UGATE/ LGATE) are not short Check all VIDs of Power Regulator are not high Check EN/FS of Power Regulator is not zero Volt Vcore Problem Debug Procedure (2) Problem Debug Procedure (2) If the output voltage wrong Check if VIDs of Power Regulator are wrong setting Check if the feedback resistor divider is wrong Check if UGATE and LGATE of Power Regulator with wrong voltage level Check if POWER MOSFET failure General Power On Sequence „ Power On Sequence with Reset (General) „ Power On Sequence with Reset (W/ASUS ASIC) „ Power On Sequence with Reset (P5GD1 Sample) „ Power On Sequence with Reset (P4P800 Sample) „ No Power Problem Debug Point No Power Problem Debug Point No Power Problem Debug Point POWER UP PROBLEM 1. Check if any burned components or traces 2. Check no voltages short with GND such as +5, +12 , +5VSB, +3, -12, +3VSB, VCORE 1.5V, 2.5V 3. Check Battery voltage 4. Check X’tal 32.768 KHz 5. Check 5VSB ,3VSB, PWRBTN# 6. Check PSON signal & related circuit