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Asus repair. Clock. (Lesson 2) презентация
Содержание
- 1. Asus repair. Clock. (Lesson 2)
- 2. OUTLINE Clock Distribution Diagram Signal Description Repair Flow Chart Repair Technique
- 3. CLOCK Distribution Diagram P5Q Deluxe
- 4. CLOCK Distribution Diagram M4N78 AM
- 5. CLOCK Distribution Diagram M4A79 DELUX
- 6. Signal Description
- 7. Signal Description Sometimes we can find BAT54AW
- 8. Repair Flow Chart
- 9. Repair Technique-Visual Inspection 1 Visual Inspection to
- 10. Repair Technique-Measure Vcc_CLK 2 Use Multi-Meter or Oscilloscope to measure Clock voltage 3.3V is ok.
- 11. Repair Technique-Measure CLK X’TAL 3-1 3-2 Use Oscilloscope to measure Clock X’TAL 14.318Mhz is ok.
- 12. Repair Technique-Check Individual NG signal 4 Use
- 13. Thank You!
OUTLINE Clock Distribution Diagram Signal Description Repair Flow Chart Repair Technique
Слайд 7Signal Description
Sometimes we can find BAT54AW near ICS.
VRMPWRGD and SLP_S3# must
be 3V
Finally, CLKVCC offer 3V PWRGD to Clock Generator .
If Clock Generator doesn’t work, you must measure this PWRGD signal first.
Finally, CLKVCC offer 3V PWRGD to Clock Generator .
If Clock Generator doesn’t work, you must measure this PWRGD signal first.
Слайд 9Repair Technique-Visual Inspection
1
Visual Inspection to check Clock Generator and related small
components are not damaged.
Слайд 10Repair Technique-Measure Vcc_CLK
2
Use Multi-Meter or Oscilloscope to measure Clock voltage 3.3V
is ok.
Слайд 11Repair Technique-Measure CLK X’TAL
3-1
3-2
Use Oscilloscope to measure Clock X’TAL 14.318Mhz is
ok.
Слайд 12Repair Technique-Check Individual NG signal
4
Use Oscilloscope to measure every individual CLK
signal. If find error please trace the circuit to find it’s connection.
If related RLC components are ok but CLK still is NG please try to change CLK generator at last.
If related RLC components are ok but CLK still is NG please try to change CLK generator at last.
