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Category Blog

Repair of Raytheon tr-g150t notebook no booting

Raytheon tr-g150t notebook no booting, first scraper maintenance, scrape to the common point diode value becomes normal, power does not Short circuit;U41's 1 pin VA pin is disconnected, make up.Isolate the Current protection tube pq47 pq18, and connect the DS pin of pq30 pin directly to make them fully connected.Configure me, brush BIOS program, and then boot, normal.

Xiaomi 8 can’t adjust the volume

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Xiaomi 8 can't adjust the volume. Pressing the volume up button doesn't respond.After measurement, the mainboard was disconnected, the power supply was removed, and pin and Jump wire were sent to Capacitor R601 in the lower left corner, and the fault was repaired.

Repair of ASUS fx86f notebook Won’t Turn On

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ASUS FX86F notebook can't be turned on to measure each inductance without short circuit When PM_SUSB/C # is disconnected, the current does not jump. It is found that the power supply of VCCIO is abnormal After being removed, it is powered on to 0.15 and does not jump. After repeated confirmation, it is the problem of APW8715 chip The replaced chip is powered on and booted to test the perfect bright machine